### PHP Type Casting Examples

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Demonstrates explicit type conversion for various data types in PHP.

```php
(int)"123"        // 123
(float)"3.14"     // 3.14
(string)42        // "42"
(array)"scalar"   // ["scalar"]
(object)["a"=>1]  // stdClass with property
(bool)1           // true
```

--------------------------------

### Object Type Example

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Defines a simple class 'Point' and demonstrates how to instantiate an object and access its properties in PHP.

```php
class Point {
    public $x;
    public $y;
    
    public function __construct(int $x, int $y) {
        $this->x = $x;
        $this->y = $y;
    }
}

$point = new Point(10, 20);
echo $point->x;  // 10
```

--------------------------------

### PHP gettype() Function Examples

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Examples showing the output of the `gettype()` function for various data types in PHP.

```php
gettype(123)      // "integer"
gettype(3.14)     // "double"
gettype("str")    // "string"
gettype([])       // "array"
gettype(true)     // "boolean"
gettype(null)     // "NULL"
gettype(\$obj)    // "object"
```

--------------------------------

### sapi_windows_cp_get

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Gets the current codepage for the SAPI.

```APIDOC
## sapi_windows_cp_get

### Description
Gets the current codepage for the SAPI (Server Application Programming Interface) on Windows.

### Method
N/A (This is a function, not an HTTP endpoint)

### Parameters
#### Path Parameters
- **kind** (string) - Required - Specifies the type of codepage to retrieve (e.g., 'input', 'output').

### Returns
`int`: The codepage number.
```

--------------------------------

### Array Type Examples

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Illustrates the creation of simple, associative, and mixed arrays in PHP. Shows how numeric keys are reset upon appending elements and lists common array functions.

```php
$simple = [1, 2, 3];
$associative = ['a' => 1, 'b' => 2];
$mixed = [
    'name' => 'John',
    'age' => 30,
    0 => 'first'
];

// Numeric keys reset on assignment
\$arr = [];
\$arr[] = 'a';   // index 0
\$arr[] = 'b';   // index 1
\$arr[10] = 'c'; // index 10
\$arr[] = 'd';   // index 11
```

--------------------------------

### Production php.ini Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Example php.ini settings for a production environment, focusing on security, performance, and reduced error display.

```ini
error_reporting = E_ALL & ~E_DEPRECATED & ~E_NOTICE
display_errors = Off
display_startup_errors = Off
log_errors = On
error_log = /var/log/php-errors.log

memory_limit = 128M
max_execution_time = 30
post_max_size = 8M
upload_max_filesize = 2M

session.cookie_secure = On
session.cookie_httponly = On
session.cookie_samesite = "Strict"

expose_php = Off
disable_functions = "exec,passthru,shell_exec"
```

--------------------------------

### Development php.ini Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Example php.ini settings for a development environment, emphasizing detailed error reporting and debugging.

```ini
error_reporting = E_ALL
display_errors = On
display_startup_errors = On
log_errors = On
error_log = php_errors.log

xdebug.mode = develop,debug
xdebug.start_with_request = yes
xdebug.client_host = localhost
xdebug.client_port = 9003

memory_limit = 256M
max_execution_time = 300

session.save_path = /tmp
```

--------------------------------

### Integer Type Examples

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Illustrates how to declare integer variables in PHP using decimal, hexadecimal, octal, and binary formats. Includes constants for integer limits and size.

```php
$value = 42;
$negative = -15;
$hex = 0x1A;
$octal = 0755;
$binary = 0b1010;

// Constants
PHP_INT_MAX       // 9223372036854775807
PHP_INT_MIN       // -9223372036854775808
PHP_INT_SIZE      // 8 (bytes)
```

--------------------------------

### Managing Session Data in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/constants.md

Start a session with session_start() to enable session data persistence across requests. Use $_SESSION to store and retrieve session variables.

```php
session_start();
$_SESSION['user_id'] = 42;
echo $_SESSION['user_id'];  // 42
```

--------------------------------

### Get Registered Hashing Algorithms

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/hash.md

Retrieves a list of all hashing algorithms currently registered with the PHP hash extension. No setup is required.

```php
array hash_algos(void)
```

--------------------------------

### Get Windows Codepage (PHP)

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Retrieves the current codepage for the process. Accepts a 'kind' parameter.

```php
int sapi_windows_cp_get(kind: string)
```

--------------------------------

### Iterable Type Hint Example

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Shows how to use the 'iterable' type hint in a function to accept arrays or Traversable objects, processing each item in a loop.

```php
function process(iterable $data): void {
    foreach ($data as $item) {
        // works with arrays or Iterator objects
    }
}

process([1, 2, 3]);
process(new ArrayIterator([1, 2, 3]));
```

--------------------------------

### String Type Examples

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Demonstrates various ways to declare strings in PHP, including single quotes, double quotes with interpolation, heredoc syntax, and nowdoc syntax. Lists common escape sequences.

```php
$single = 'Hello';
$double = "World";
$interpolated = "Value: {$var}";
$heredoc = <<<EOT
Multi-line
text here
EOT;

$nowdoc = <<<'EOT'
No interpolation
in this text
EOT;
```

--------------------------------

### Callable Type Hint Examples

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Demonstrates using the 'callable' type hint in PHP for various callable constructs, including function names, closures, array callbacks, and invokable objects.

```php
function callback(callable $fn): void {
    $fn();
}

// Function name
callback('strlen');

// Closure
callback(function() { echo "Hello"; });

// Array callback [object, method]
callback([$object, 'methodName']);

// Static method
callback(['ClassName', 'staticMethod']);

// Invokable object
callback($invokableObject);
```

--------------------------------

### sapi_windows_vt100_support

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Gets or sets VT100 support for a specified stream on Windows console.

```APIDOC
## sapi_windows_vt100_support

### Description
Gets or sets VT100 support for the specified stream associated with an output buffer of a Windows console.

### Method
N/A (This is a function, not an HTTP endpoint)

### Parameters
#### Path Parameters
- **stream** (resource) - Required - The stream resource to check or modify VT100 support for.

### Returns
`bool`: `true` if VT100 support is enabled or successfully set, `false` otherwise.
```

--------------------------------

### Get Directory Name from Path

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Extracts the parent directory path from a given path string.

```php
string dirname(path: string)
```

--------------------------------

### Float (Double) Type Examples

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Shows how to define floating-point numbers in PHP using standard notation, exponential notation, and scientific notation. Includes constants for float limits and precision.

```php
$pi = 3.14159;
$exponential = 1.2e3;  // 1200
$scientific = 1.5E-2;  // 0.015

// Constants
PHP_FLOAT_MAX      // 1.7976931348623E+308
PHP_FLOAT_MIN      // 2.2250738585072E-308
PHP_FLOAT_DIG      // 14 (significant digits)
```

--------------------------------

### Get Basename of a Path

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Extracts the trailing name component from a given path string.

```php
string basename(path: string)
```

--------------------------------

### Boolean Type Examples

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Demonstrates the usage of boolean values and truthy/falsy checks in PHP. Also shows type juggling results for various types cast to boolean.

```php
$is_valid = true;
$is_empty = false;

if ($value) {
    // Truthy check
}
```

```php
(bool)"0"         // false
(bool)""          // false
(bool)"false"     // true (non-empty string)
(bool)0           // false
(bool)0.0         // false
(bool)[]          // false
(bool)null        // false
```

--------------------------------

### Get Connection Status (PHP)

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Retrieves the connection status as a bitfield. The return value is an integer representing the status.

```php
int connection_status(void)
```

--------------------------------

### Get HMAC Algorithms

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/hash.md

Retrieves a list of hashing algorithms that are suitable for use with HMAC. This is a subset of algorithms returned by hash_algos.

```php
array hash_hmac_algos(void)
```

--------------------------------

### Fill Array with Values Sequentially

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Fills an array with values starting from a specified index. Useful for creating sequential arrays or initializing array segments.

```php
array array_fill(start_index: int, count: int, value: mixed)
```

--------------------------------

### Get All Function Arguments as Array in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/funchand.md

Use `func_get_args` to obtain an array containing all arguments passed to the current function. This is useful for functions that accept a variable number of arguments.

```php
array func_get_args(void)
```

--------------------------------

### Get All Defined Functions in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/funchand.md

Use `get_defined_functions` to retrieve an array listing all functions that are currently defined in the PHP script. You can optionally exclude disabled functions.

```php
array get_defined_functions(exclude_disabled: bool)
```

--------------------------------

### Accessing GET Parameters in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/constants.md

Use $_GET to retrieve parameters sent in the URL query string. Ensure the parameter exists before accessing it.

```php
// URL: script.php?id=123&name=John
echo $_GET['id'];    // 123
echo $_GET['name'];  // John
```

--------------------------------

### Display All PHP Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

This command outputs all configuration information, including loaded directives and their values.

```bash
# Display all configuration
php -i

```

--------------------------------

### Catch Specific Exceptions First

Source: https://github.com/php/doc-en/blob/master/_autodocs/errors.md

Demonstrates a best practice for exception handling by catching more specific exceptions (e.g., FileNotFoundException, PermissionException) before a general Exception.

```php
try {
    // risky operation
} catch (FileNotFoundException $e) {
    // handle missing file
} catch (PermissionException $e) {
    // handle permission issue
} catch (Exception $e) {
    // handle all other exceptions
}
```

--------------------------------

### File Handling Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Configure temporary directory for uploads, default character set, include paths, and auto-prepend/append files. Ensure 'upload_tmp_dir' is writable.

```ini
; Upload temporary directory
upload_tmp_dir = /tmp

; Default character set
default_charset = "UTF-8"

; Include paths
include_path = ".:/usr/share/php"

; Automatically prepend file
auto_prepend_file = ""

; Automatically append file
auto_append_file = ""
```

--------------------------------

### array_first

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Gets the first value of an array. This function returns the value of the first element in the array.

```APIDOC
## array_first

### Description
Gets the first value of an array.

### Method
Mixed array_first(array $array)

### Parameters
#### Path Parameters
- **array** (array) - Required - The input array.

### Returns
`mixed` - The value of the first element in the array, or null if the array is empty.
```

--------------------------------

### Dump All Loaded PHP Extensions

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Lists all loaded PHP extensions.

```bash
# Dump all extensions
php -m

```

--------------------------------

### mkdir

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Creates a directory. Can optionally create parent directories recursively.

```APIDOC
## mkdir

### Description
Makes directory.

### Method
`mkdir(directory: string, recursive: bool, context: resource)`

### Parameters
#### Path Parameters
- **directory** (string) - Required - Description: The directory path to create.
- **recursive** (bool) - Optional - Description: If true, creates parent directories as needed. Defaults to false.
- **context** (resource) - Optional - Description: A stream context resource. Defaults to null.

### Returns
`bool`
```

--------------------------------

### PHP Type Coercion Examples

Source: https://github.com/php/doc-en/blob/master/_autodocs/types.md

Illustrates PHP's automatic type conversion when types do not strictly match in operations or comparisons. Use strict comparison (`===`, `!==`) for predictable behavior.

```php
"10" + 5          // 15 (int)
"10 apples" + 5   // 15 (int, leading digits)
true + 1          // 2 (true = 1)
false + 1         // 1 (false = 0)
"10x" == 10       // true (loose comparison)
"10x" === 10      // false (strict comparison)
```

--------------------------------

### array_slice

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Extract a slice of the array. This function is used to get a portion of an array, optionally preserving keys.

```APIDOC
## array_slice

### Description
Extract a slice of the array.

### Parameters
#### Path Parameters
- **array** (array) - Required - Description: The input array.
- **preserve_keys** (bool) - Required - Description: Whether to preserve the original keys.

### Returns
`array`
```

--------------------------------

### array_last

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Gets the last value of an array. Returns the last element of the array, or null if the array is empty.

```APIDOC
## array_last

### Description
Gets the last value of an array.

### Method
array_last

### Parameters
#### Path Parameters
- **array** (array) - Required - The input array.

### Returns
`mixed`
```

--------------------------------

### hash_init

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/hash.md

Initializes an incremental hashing context.

```APIDOC
## hash_init

### Description
Initializes an incremental hashing context for computing hash values in chunks.

### Parameters
#### Path Parameters
- **algo** (string) - Required - The hashing algorithm to use (e.g., 'sha256').
- **key** (string) - Optional - The secret key to use for keyed hashing algorithms.
- **options** (array) - Optional - An array of options for the hashing context.

### Returns
`HashContext` - An initialized hashing context object.
```

--------------------------------

### Get First Value of an Array

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Retrieves the first value of an array. Returns null if the array is empty.

```php
mixed array_first(array: array)
```

--------------------------------

### array_unshift

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Prepend one or more elements to the beginning of an array. This function adds new elements to the start of an array.

```APIDOC
## array_unshift

### Description
Prepend one or more elements to the beginning of an array.

### Parameters
#### Path Parameters
- **values** (array) - Required - Description: The elements to prepend.

### Returns
`int`
```

--------------------------------

### Check Loaded PHP Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Use this command to locate the main `php.ini` file that PHP is currently using.

```bash
# Check loaded configuration
php -i | grep "Configuration File"

```

--------------------------------

### Check PHP Extension Availability

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Verify if a specific PHP extension, like `pdo`, is loaded and available.

```bash
# Check extension availability
php -r "echo extension_loaded('pdo') ? 'Yes' : 'No';"

```

--------------------------------

### Pack Data into Binary String (PHP)

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Packs data into a binary string according to a specified format. Requires format and values as arguments.

```php
string pack(format: string, values: mixed)
```

--------------------------------

### Magic Methods in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/language-features.md

Demonstrates various magic methods in PHP, such as __get, __set, __isset, __call, __toString, __set_state, __unserialize, __serialize, __construct, and __destruct.

```php
class Magic {
    private array $data = [];
    
    // Called when accessing undefined property
    public function __get(string $name): mixed {
        return $this->data[$name] ?? null;
    }
    
    // Called when setting undefined property
    public function __set(string $name, mixed $value): void {
        $this->data[$name] = $value;
    }
    
    // Called when checking isset() on undefined property
    public function __isset(string $name): bool {
        return isset($this->data[$name]);
    }
    
    // Called when calling undefined method
    public function __call(string $name, array $args): mixed {
        echo "Method $name called with " . count($args) . " args";
        return null;
    }
    
    // Called on string conversion
    public function __toString(): string {
        return "Magic Object";
    }
    
    // Called on var_export()
    public static function __set_state(array $properties): self {
        $obj = new self();
        foreach ($properties as $key => $value) {
            $obj->$key = $value;
        }
        return $obj;
    }
    
    // Called on unserialize()
    public function __unserialize(array $data): void {
        $this->data = $data;
    }
    
    // Called on serialize()
    public function __serialize(): array {
        return $this->data;
    }
    
    // Constructor
    public function __construct() {}
    
    // Destructor
    public function __destruct() {
        // cleanup
    }
}
```

--------------------------------

### Get Constant Value (PHP)

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Returns the value of a defined constant. Requires the constant's name as a string argument.

```php
mixed constant(name: string)
```

--------------------------------

### Output Buffering Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Control output buffering size and compression. 'output_buffering' can be set to a size in KB or 'On' to buffer all output. 'zlib.output_compression' enables gzip compression.

```ini
; Enable output buffering
output_buffering = 4096

; Output handler (e.g., gzip)
output_handler = ""

; Implicit flush
implicit_flush = Off

; Zlib compression
zlib.output_compression = Off
zlib.output_compression_level = -1
```

--------------------------------

### Parse Date String

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/datetime.md

Get detailed information about a given date/time string by parsing it with `date_parse`. Returns an associative array.

```php
array date_parse(datetime: string)
```

--------------------------------

### compact

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Creates an array containing variables and their values.

```APIDOC
## compact

### Description
Creates an array containing variables and their values.

### Method
`compact(var_name: array, var_names: array)`

### Parameters
#### Path Parameters
- **var_name** (array) - Required - Description not provided
- **var_names** (array) - Required - Description not provided
```

--------------------------------

### filter_input

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filter.md

Gets a specific external variable by name and optionally filters it. It takes a type as a parameter and returns a mixed value.

```APIDOC
## filter_input

### Description
Gets a specific external variable by name and optionally filters it.

### Parameters
#### Query Parameters
- **type** (int) - Required - The type of filter to apply. Defaults to 0.

### Returns
`mixed`
```

--------------------------------

### array_is_list

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Checks if an array is a list. A list is defined as an array with integer keys starting from 0 and incrementing without gaps.

```APIDOC
## array_is_list

### Description
Checks if an array is a list.

### Method
array_is_list

### Parameters
#### Path Parameters
- **array** (array) - Required - The array to check.

### Returns
`bool`
```

--------------------------------

### Get Specific Function Argument in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/funchand.md

Use `func_get_arg` to retrieve a specific argument passed to a function, identified by its zero-based position.

```php
mixed func_get_arg(position: int)
```

--------------------------------

### Get/Set Windows VT100 Support (PHP)

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Manages VT100 support for a specified stream associated with a Windows console output buffer. Requires a stream resource.

```php
bool sapi_windows_vt100_support(stream: resource)
```

--------------------------------

### Get Default Timezone

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/datetime.md

Retrieve the default timezone used by all date and time functions in the current PHP script using `date_default_timezone_get`.

```php
string date_default_timezone_get(void)
```

--------------------------------

### array_reduce

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Iteratively reduce the array to a single value using a callback function. Starts with an initial value and applies the callback to each element.

```APIDOC
## array_reduce

### Description
Iteratively reduce the array to a single value using a callback function.

### Method
array_reduce

### Parameters
#### Path Parameters
- **array** (array) - Optional - The input array. Defaults to null.

### Returns
`mixed`
```

--------------------------------

### PHP Runtime Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Set the default MIME type, timezone, and locale. Configure the random number generator engine for better randomness.

```ini
; Default MIME type
default_mimetype = "text/html"

; Timezone
date.timezone = "UTC"

; Locale
intl.default_locale = "en_US"

; Enable strict types (strict_types=1 in files)
; Note: Must be per-file with declare(strict_types=1)

; Random number generator (random.engine)
; Values: mt19937, pcgone64, xoshiro256starstar, xoshiro256plus
random.engine = mt19937
```

--------------------------------

### Create Custom Exceptions

Source: https://github.com/php/doc-en/blob/master/_autodocs/errors.md

Shows how to create custom exception classes, such as ValidationException and NetworkException, by extending the base Exception or RuntimeException.

```php
class ValidationException extends Exception {}
class NetworkException extends RuntimeException {}

try {
    validateInput($data);
} catch (ValidationException $e) {
    // handle validation errors
}
```

--------------------------------

### Throw and Catch Base Exception

Source: https://github.com/php/doc-en/blob/master/_autodocs/errors.md

Demonstrates how to throw a custom exception with a message and code, and how to catch it using a try-catch block to access its properties.

```php
try {
    throw new Exception("Something went wrong", 1001);
} catch (Exception $e) {
    echo $e->getMessage();
    echo $e->getCode();
}
```

--------------------------------

### Get PCRE Last Error Code

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/pcre.md

Retrieves the error code from the most recent PCRE regex execution. This provides a numerical representation of the error.

```php
int preg_last_error(void)
```

--------------------------------

### Get Timezone Database Version

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/datetime.md

Retrieve the version of the timezonedb used by PHP's date/time functions with `timezone_version_get`. This function requires no parameters.

```php
string timezone_version_get(void)
```

--------------------------------

### Database Connection Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Configure default database connection parameters for various database types like SQLite, PDO, and MySQLi. Set host, user, password, and port as needed.

```ini
; Default database host
[sqlite]
sqlite.assoc_case = 0

[pdo]
pdo.dsn = ""

[mysql]
mysqli.default_host = localhost
mysqli.default_user = ""
mysqli.default_password = ""
mysqli.default_port = 3306
```

--------------------------------

### Get Date/Time Information

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/datetime.md

Retrieve an array containing detailed date and time information for a given Unix timestamp using the `getdate` function.

```php
array getdate(timestamp: int)
```

--------------------------------

### Use Namespaces in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/language-features.md

Employ the 'use' keyword to import classes, functions, and constants from other namespaces. Aliases can be created using 'as' for brevity or to resolve naming conflicts.

```php
use MyApp\Controllers\HomeController;
use MyApp\Models\User as UserModel;
use function MyApp\Helpers\format;
use const MyApp\CONFIG;

$controller = new HomeController();
$user = new UserModel();
echo format("text");
echo CONFIG;
```

--------------------------------

### Get Line from File, Strip HTML

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Reads a line from a file pointer, stripping HTML tags. Specify maximum length and allowable tags.

```php
string fgetss(handle: resource, length: int, allowable_tags: string)
```

--------------------------------

### Get Sun Information

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/datetime.md

Obtain information about sunrise, sunset, and twilight times for a given timestamp, latitude, and longitude using `date_sun_info`. Returns an array.

```php
array date_sun_info(timestamp: int, latitude: float, longitude: float)
```

--------------------------------

### for Loop

Source: https://github.com/php/doc-en/blob/master/_autodocs/language-features.md

Iterate a specific number of times with initialization, condition, and increment/decrement.

```php
for ($i = 0; $i < 10; $i++) {
    echo $i;
}
```

--------------------------------

### Filesystem Functions

Source: https://github.com/php/doc-en/blob/master/_autodocs/INDEX.md

Offers functions for interacting with the file system, including reading and writing files, checking file existence and properties, directory operations, and path manipulation.

```APIDOC
## Filesystem Functions

### Description
Functions for file and directory operations, including reading, writing, checking existence, directory manipulation, file listing, property retrieval, and path operations.

### Functions
- `file_get_contents(filename)`
- `fopen(path, mode)`
- `fread(handle, length)`
- `readfile(filename)`
- `file_put_contents(filename, data)`
- `fwrite(handle, string)`
- `fclose(handle)`
- `file_exists(filename)`
- `is_file(filename)`
- `is_dir(filename)`
- `is_readable(filename)`
- `mkdir(path)`
- `rmdir(path)`
- `chdir(directory)`
- `getcwd()`
- `scandir(directory)`
- `glob(pattern)`
- `opendir(path)`
- `readdir(directory_handle)`
- `filesize(filename)`
- `filemtime(filename)`
- `fileperms(filename)`
- `stat(filename)`
- `basename(path)`
- `dirname(path)`
- `realpath(path)
```

--------------------------------

### Get PCRE Last Error Message

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/pcre.md

Retrieves the error message from the most recent PCRE regex execution. Use this to understand specific regex failures.

```php
string preg_last_error_msg(void)
```

--------------------------------

### Initialize Incremental Hash Context

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/hash.md

Initializes a new hashing context for incremental hashing. You can specify the algorithm, an optional key, and options.

```php
HashContext hash_init(algo: string, key: string, options: array)
```

--------------------------------

### PHP filter_input Function Signature

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filter.md

Gets a specific external variable by name and optionally filters it. This function is useful for retrieving and sanitizing user input.

```php
mixed filter_input(type: int)
```

--------------------------------

### PHP Error Handling with Try-Catch-Finally

Source: https://github.com/php/doc-en/blob/master/_autodocs/README.md

Demonstrates robust error handling using try-catch-finally blocks for specific and general exceptions. Ensures cleanup actions are always performed.

```php
try {
    $result = risky_operation();
} catch (FileNotFoundException $e) {
    error_log("File not found");
} catch (Exception $e) {
    error_log("Operation failed");
} finally {
    cleanup();
}
```

--------------------------------

### Validate PHP Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Use this command to validate the overall PHP configuration, including `php.ini` files.

```bash
; Validate configuration
php --ini

```

--------------------------------

### Open a ZIP Directory Entry

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/zip.md

Use `zip_entry_open` to open a directory entry for reading from a zip archive. This function takes a zip resource and returns a boolean indicating success.

```php
bool zip_entry_open(zip_dp: resource)
```

--------------------------------

### symlink

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Creates a symbolic link pointing to a target file or directory.

```APIDOC
## symlink

### Description
Creates a symbolic link.

### Parameters
#### Path Parameters
- None

#### Query Parameters
- None

#### Request Body
- None

### Method
Not applicable (PHP function)

### Endpoint
Not applicable (PHP function)

### Request Example
```php
bool symlink(target: string, link: string)
```

### Response
#### Success Response
- Returns `true` on success, `false` on failure.

#### Response Example
```php
true
```
```

--------------------------------

### Abstract Classes in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/language-features.md

Illustrates the use of abstract classes and abstract methods in PHP, requiring subclasses to implement abstract methods.

```php
abstract class Shape {
    abstract public function area(): float;
    
    public function describe(): void {
        echo "Area: " . $this->area();
    }
}

class Circle extends Shape {
    private float $radius;
    
    public function __construct(float $radius) {
        $this->radius = $radius;
    }
    
    public function area(): float {
        return pi() * $this->radius ** 2;
    }
}
```

--------------------------------

### Get Current Unix Timestamp

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/datetime.md

Obtain the current Unix timestamp (seconds since the Unix Epoch) using the `time` function. It takes no arguments and returns an integer.

```php
int time(void)
```

--------------------------------

### Get Local Time

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/datetime.md

Retrieve the local time information for a given Unix timestamp using `localtime`. The `associative` parameter determines the return type (array or boolean).

```php
array localtime(timestamp: int, associative: bool)
```

--------------------------------

### Use Exception Chaining

Source: https://github.com/php/doc-en/blob/master/_autodocs/errors.md

Illustrates exception chaining by catching a PDOException and re-throwing it as a custom DatabaseException, preserving the original exception as the previous one.

```php
try {
    $db->query($sql);
} catch (PDOException $e) {
    throw new DatabaseException(
        "Query failed",
        0,
        $e  // previous exception
    );
}
```

--------------------------------

### Set PHP Configuration at Runtime

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Use ini_set() to change configuration directives during script execution. ini_get() retrieves current values, and ini_restore() reverts to the original setting.

```php
ini_set('display_errors', '1');
ini_set('error_reporting', E_ALL);
ini_set('memory_limit', '256M');

// Check current value
echo ini_get('memory_limit');

// Get all settings
print_r(ini_get_all());

// Restore original value
ini_restore('display_errors');
```

--------------------------------

### Use finally for Cleanup

Source: https://github.com/php/doc-en/blob/master/_autodocs/errors.md

Demonstrates the use of the `finally` block to ensure cleanup code, like closing a file handle, is executed regardless of whether an exception occurred.

```php
$handle = fopen('file.txt', 'r');
try {
    // read file
} finally {
    if (is_resource($handle)) {
        fclose($handle);
    }
}
```

--------------------------------

### PHP-FPM Configuration File

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

This INI-style configuration file defines global settings and pool-specific parameters for PHP-FPM, including process management, listening addresses, and logging.

```ini
[global]
; PID file location
pid = /run/php-fpm.pid

; Error log
error_log = /var/log/php-fpm.log

; Log level
log_level = notice

; Pool name
[www]

; Listen address
listen = 127.0.0.1:9000
listen = /run/php-fpm.sock
listen.owner = www-data
listen.group = www-data
listen.mode = 0660

; Process manager
pm = dynamic
pm.max_children = 20
pm.start_servers = 5
pm.min_spare_servers = 2
pm.max_spare_servers = 10
pm.max_requests = 500

; Worker environment
user = www-data
group = www-data

; Catch output
catch_workers_output = yes

; Slowlog
slowlog = /var/log/php-fpm-slow.log
request_slowlog_timeout = 5s

; Process status
pm.status_path = /status
ping.path = /ping

```

--------------------------------

### Copy File

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Copies an existing file to a new location. The destination path is implicitly determined by the context or requires additional parameters not shown in this signature.

```php
bool copy(from: string)
```

--------------------------------

### Get Number of Function Arguments in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/funchand.md

Use `func_num_args` to determine the total number of arguments that were passed to the current function. This is helpful for functions designed to handle a variable argument list.

```php
int func_num_args(void)
```

--------------------------------

### pack

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Packs data into a binary string according to a specified format.

```APIDOC
## pack

### Description
Packs data into a binary string according to a specified format.

### Method
N/A (This is a function, not an HTTP endpoint)

### Parameters
#### Path Parameters
- **format** (string) - Required - The format string specifying how to pack the data.
- **values** (mixed) - Required - The values to pack.

### Returns
`string`: The packed binary string.
```

--------------------------------

### Copy Hashing Context

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/hash.md

Creates a copy of an existing hashing context. This is useful when you need to compute multiple hashes from the same initial state without re-initializing.

```php
HashContext hash_copy(context: HashContext)
```

--------------------------------

### Session Management Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Configure session save handler, path, cookie settings, and garbage collection. Secure session handling with 'session.cookie_secure' and 'session.cookie_httponly'.

```ini
; Session save handler
session.save_handler = files

; Session save path
session.save_path = "/var/lib/php/sessions"

; Session cookie name
session.name = PHPSESSID

; Session cookie lifetime (seconds)
session.cookie_lifetime = 0

; Session gc probability
session.gc_probability = 1
session.gc_divisor = 1000

; Session gc maxlifetime (seconds)
session.gc_maxlifetime = 1440

; Use cookies for session ID
session.use_cookies = On

; Only send cookies over HTTPS
session.cookie_secure = On

; Prevent JavaScript access
session.cookie_httponly = On

; SameSite cookie attribute
session.cookie_samesite = "Strict"
```

--------------------------------

### touch

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Sets the access and modification times of a file.

```APIDOC
## touch

### Description
Sets access and modification time of file.

### Parameters
#### Path Parameters
- None

#### Query Parameters
- None

#### Request Body
- None

### Method
Not applicable (PHP function)

### Endpoint
Not applicable (PHP function)

### Request Example
```php
bool touch(filename: string, atime: int)
```

### Response
#### Success Response
- Returns `true` on success, `false` on failure.

#### Response Example
```php
true
```
```

--------------------------------

### usleep

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Delays execution in microseconds.

```APIDOC
## usleep

### Description
Delays execution in microseconds.

### Method
`usleep`

### Parameters
#### Path Parameters
- **microseconds** (int) - Required - The number of microseconds to sleep.

### Returns
`void`
```

--------------------------------

### Memory and Limit Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Set limits for script memory usage, POST data size, file uploads, input variables, and execution times. Adjust these based on application requirements and server resources.

```ini
; Maximum memory per script
memory_limit = 128M

; Maximum POST data size
post_max_size = 8M

; Maximum uploaded file size
upload_max_filesize = 2M

; Maximum string variable length
max_input_vars = 1000

; Maximum execution time (seconds)
max_execution_time = 30

; Maximum input time (seconds)
max_input_time = 60
```

--------------------------------

### Default __autoload() implementation

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/spl.md

The default implementation for __autoload() provided by the SPL extension. It is typically used as a fallback or base for custom autoloaders.

```php
void spl_autoload(class: string)
```

--------------------------------

### lchown

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Changes the user ownership of a symbolic link.

```APIDOC
## lchown

### Description
Changes user ownership of symlink.

### Method
`lchown(filename: string, user: string)`

### Parameters
#### Path Parameters
- **filename** (string) - Required - Description: The path to the symbolic link.
- **user** (string) - Required - Description: The name or ID of the new user.

### Returns
`bool`
```

--------------------------------

### Anonymous Functions (Closures) in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/language-features.md

Demonstrates defining and using anonymous functions (closures) in PHP, including accessing outer scope variables with 'use'.

```php
$multiply = function(int $x, int $y): int {
    return $x * $y;
};

echo $multiply(3, 4);  // 12

// Access outer scope with use
$factor = 2;
$multiply_by_factor = function(int $x) use ($factor): int {
    return $x * $factor;
};

echo $multiply_by_factor(5);  // 10
```

--------------------------------

### sapi_windows_cp_set

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Sets the process codepage for the SAPI on Windows.

```APIDOC
## sapi_windows_cp_set

### Description
Sets the process codepage for the SAPI on Windows.

### Method
N/A (This is a function, not an HTTP endpoint)

### Parameters
#### Path Parameters
- **codepage** (int) - Required - The codepage number to set.

### Returns
`bool`: `true` on success, `false` on failure.
```

--------------------------------

### Check if File or Directory Exists

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Verifies the existence of a file or directory at the specified path.

```php
bool file_exists(filename: string)
```

--------------------------------

### dirname

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Returns the parent directory's path.

```APIDOC
## dirname

### Description
Returns a parent directory's path

### Signature
`string dirname(path: string)`

### Parameters
#### Path Parameters
- **path** (string) - Required - The path string.

### Returns
- `string` - The directory name component of the path.
```

--------------------------------

### array

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Create an array. This is a fundamental language construct for creating arrays.

```APIDOC
## array

### Description
Create an array.

### Parameters
#### Path Parameters
- **values** (mixed) - Required - Description: The values to include in the array.

### Returns
`array`
```

--------------------------------

### Class Definition in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/language-features.md

Shows the basic structure of a PHP class, including properties, constructor, methods, and static methods.

```php
class User {
    // Properties
    private string $name;
    protected int $age = 0;
    public string $email;
    
    // Constructor
    public function __construct(string $name) {
        $this->name = $name;
    }
    
    // Methods
    public function getName(): string {
        return $this->name;
    }
    
    private function validate(): bool {
        return strlen($this->name) > 0;
    }
    
    // Static method
    public static function create(string $name): self {
        return new self($name);
    }
}

$user = new User("John");
echo $user->getName();  // John
```

--------------------------------

### Set Windows Codepage (PHP)

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Sets the codepage for the current process. Requires the codepage integer as an argument.

```php
bool sapi_windows_cp_set(codepage: int)
```

--------------------------------

### Traits in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/language-features.md

Shows how to use traits in PHP to achieve code reuse by including methods from a trait into a class.

```php
trait Loggable {
    public function log(string $message): void {
        echo "[LOG] $message";
    }
}

class Service {
    use Loggable;
}

$service = new Service();
$service->log("Started");  // [LOG] Started
```

--------------------------------

### link

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Creates a hard link to a target file.

```APIDOC
## link

### Description
Create a hard link.

### Method
`link(target: string, link: string)`

### Parameters
#### Path Parameters
- **target** (string) - Required - Description: The existing file to link to.
- **link** (string) - Required - Description: The name of the new hard link to create.

### Returns
`bool`
```

--------------------------------

### Fill Array with Values Using Keys

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Fills an array with specified values using a given set of keys. Ideal for creating arrays from a list of keys and a single value.

```php
array array_fill_keys(keys: array, value: mixed)
```

--------------------------------

### Setting and Accessing Cookies in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/constants.md

Use setcookie() to send a cookie to the client and $_COOKIE to retrieve cookie values sent by the client in subsequent requests.

```php
setcookie('user', 'John', time() + 3600);
echo $_COOKIE['user'];
```

--------------------------------

### Return all registered __autoload() functions

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/spl.md

Retrieves an array containing all currently registered __autoload() callback functions. This is useful for inspecting or managing autoloading configurations.

```php
array spl_autoload_functions(void)
```

--------------------------------

### Error Handling Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Configure PHP's error reporting, display, and logging behavior. Use 'display_errors = On' for development and 'log_errors = On' with 'error_log' for production.

```ini
; Report all PHP errors
error_reporting = E_ALL

; Display errors (development only)
display_errors = On

; Log errors to file (production)
log_errors = On
error_log = /var/log/php-errors.log

; Error reporting to stderr (FPM)
error_log = "php-fpm"

; Display startup errors
display_startup_errors = On

; Track errors in variables
track_errors = Off
```

--------------------------------

### Security Configuration

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

Enhance security by disabling dangerous functions and classes, enabling file uploads, restricting file access with 'open_basedir', and hiding the PHP version.

```ini
; Disable functions for security
disable_functions = "exec,passthru,shell_exec,proc_open"

; Disable classes
disable_classes = ""

; Allow file uploads
file_uploads = On

; Open basedir restriction
open_basedir = "/var/www:/tmp"

; Prevent exposing PHP version
expose_php = Off
```

--------------------------------

### fflush

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Flushes the output buffer to a file.

```APIDOC
## fflush

### Description
Flushes the output to a file

### Signature
`bool fflush(stream: resource)`

### Parameters
#### Path Parameters
- **stream** (resource) - Required - The file pointer resource.

### Returns
- `bool` - Returns `true` on success, `false` on failure.
```

--------------------------------

### fnmatch

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/filesystem.md

Matches a filename against a given pattern.

```APIDOC
## fnmatch

### Description
Match filename against a pattern

### Signature
`bool fnmatch(pattern: string, filename: string)`

### Parameters
#### Path Parameters
- **pattern** (string) - Required - The pattern to match against.
- **filename** (string) - Required - The filename to check.

### Returns
- `bool` - Returns `true` if the filename matches the pattern, `false` otherwise.
```

--------------------------------

### Verify PHP Syntax

Source: https://github.com/php/doc-en/blob/master/_autodocs/configuration.md

This command checks the syntax of your PHP files for errors.

```bash
# Verify php.ini syntax
php -l

```

--------------------------------

### PHP gettype() Return Values

Source: https://github.com/php/doc-en/blob/master/_autodocs/constants.md

Demonstrates the string values returned by the gettype() function for various data types.

```php
var_dump(gettype(123));        // "integer"
var_dump(gettype(1.23));       // "double"
var_dump(gettype("string"));   // "string"
```

--------------------------------

### Configure Error Reporting for Production

Source: https://github.com/php/doc-en/blob/master/_autodocs/errors.md

Configures error reporting for production environments to log errors to a file and hide them from the screen.

```php
// Production
error_reporting(E_ALL);
ini_set('display_errors', '0');
ini_set('log_errors', '1');
ini_set('error_log', '/var/log/php-errors.log');
```

--------------------------------

### Accessing Server and Execution Information in PHP

Source: https://github.com/php/doc-en/blob/master/_autodocs/constants.md

The $_SERVER superglobal provides information about the server environment, execution details, and request headers.

```php
$_SERVER['REQUEST_METHOD'];  // GET, POST, etc.
$_SERVER['REQUEST_URI'];     // URI path
$_SERVER['HTTP_HOST'];       // Host name
$_SERVER['SCRIPT_NAME'];     // Script filename
$_SERVER['PHP_SELF'];        // Current script
$_SERVER['SERVER_ADDR'];     // Server IP
$_SERVER['SERVER_PORT'];     // Server port
$_SERVER['REMOTE_ADDR'];     // Client IP
$_SERVER['REMOTE_HOST'];     // Client hostname
```

--------------------------------

### define

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Defines a new named constant.

```APIDOC
## define

### Description
Defines a new named constant.

### Method
N/A (This is a function, not an HTTP endpoint)

### Parameters
#### Path Parameters
- **constant_name** (string) - Required - The name of the constant to define.

### Returns
`bool`: `true` on success, `false` on failure.
```

--------------------------------

### Register an __autoload() implementation

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/spl.md

Registers a callable function to be executed when a class is not found. Allows specifying whether to throw an exception on failure and if the callback should be prepended to the stack.

```php
bool spl_autoload_register(callback: callable, throw: bool, prepend: bool)
```

--------------------------------

### __autoload

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/classobj.md

Attempts to load an undefined class. This function is typically used for autoloading class definitions.

```APIDOC
## __autoload

### Description
Attempts to load an undefined class.

### Parameters
#### Path Parameters
- **class** (string) - Required - The name of the class to load.

### Returns
`void`
```

--------------------------------

### intdiv

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/math.md

Performs integer division.

```APIDOC
## intdiv

### Description
Integer division.

### Signature
`int intdiv(num1: int, num2: int)`

### Parameters
#### Path Parameters
- **num1** (int) - Required - The dividend.
- **num2** (int) - Required - The divisor.
```

--------------------------------

### Function Handling Functions

Source: https://github.com/php/doc-en/blob/master/_autodocs/INDEX.md

Utilities for handling functions, including callback execution, retrieving function information, creating anonymous functions, and accessing function arguments.

```APIDOC
## Function Handling Functions

### Description
Functions for handling callbacks, retrieving function information, creating anonymous functions, and accessing function arguments.

### Functions
- `call_user_func(callback)`
- `call_user_func_array(callback, params)`
- `function_exists(function_name)`
- `get_defined_functions()`
- `create_function(args, code)` (deprecated)
- `func_get_arg(arg_num)`
- `func_num_args()`
```

--------------------------------

### while and do-while Loops

Source: https://github.com/php/doc-en/blob/master/_autodocs/language-features.md

Iterate code blocks based on a condition. 'do-while' guarantees at least one execution.

```php
while ($condition) {
    // executes while condition is true
}

do {
    // executes at least once
} while ($condition);
```

--------------------------------

### each

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Returns the current key and value pair from an array and advances the array cursor.

```APIDOC
## each

### Description
Returns the current key and value pair from an array and advances the array cursor.

### Method
`each(void)`
```

--------------------------------

### Return by Reference

Source: https://github.com/php/doc-en/blob/master/_autodocs/language-features.md

Return a reference to a variable instead of a copy, allowing the caller to modify the original variable.

```php
class Container {
    private $value = 0;
    
    public function &getValue(): int {
        return $this->value;
    }
}

$container = new Container();
$ref = &$container->getValue();
$ref = 42;
```

--------------------------------

### Generate Windows CTRL Event (PHP)

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/misc.md

Sends a CTRL event to another process on Windows. Requires the event type as an integer.

```php
bool sapi_windows_generate_ctrl_event(event: int)
```

--------------------------------

### list

Source: https://github.com/php/doc-en/blob/master/_autodocs/api-reference/array.md

Assigns variables as if they were an array.

```APIDOC
## list

### Description
Assigns variables as if they were an array.

### Method
`list(var: mixed, vars: mixed)`

### Parameters
#### Path Parameters
- **var** (mixed) - Required - Description not provided
- **vars** (mixed) - Required - Description not provided
```

--------------------------------

### Configure Error Reporting for Development

Source: https://github.com/php/doc-en/blob/master/_autodocs/errors.md

Sets error reporting to display all errors and errors to the screen for development environments.

```php
// Development
error_reporting(E_ALL);
ini_set('display_errors', '1');
```