### Install EXT:container

Source: https://docs.typo3.org/p/sbublies/gridtocontainer/main/en-us/QuickStart/Index.html

Use this command to install the EXT:container extension via Composer. Ensure you have a composer-based TYPO3 installation.

```bash
composer req b13/container
```

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

### Install gridtocontainer with Composer (TYPO3 11+)

Source: https://docs.typo3.org/p/sbublies/gridtocontainer/main/en-us/Installation/Index.html

Use this command for composer-based TYPO3 installations version 11 and above. The extension will be automatically activated.

```bash
composer req sbublies/gridtocontainer
```

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

### Install EXT:gridtocontainer

Source: https://docs.typo3.org/p/sbublies/gridtocontainer/main/en-us/QuickStart/Index.html

Install the EXT:gridtocontainer extension as a dev-requirement using Composer. This extension is intended for development systems only.

```bash
composer req --dev sbublies/gridtocontainer
```

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

### Install gridtocontainer with Composer (TYPO3 10 and below)

Source: https://docs.typo3.org/p/sbublies/gridtocontainer/main/en-us/Installation/Index.html

For TYPO3 versions 9 and 10, use this composer command to require the fitting version. After installation, activate the extension via the Extension Manager.

```bash
composer req sbublies/gridtocontainer:"^10.4"
```

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

### Display Help for a Command

Source: https://docs.typo3.org/p/sbublies/gridtocontainer/main/en-us/_sources/CommandReference/Index.rst.txt

Use the -h option to display help for a specific command. This is useful for understanding command usage and available options.

```shell
vendor/bin/typo3 gridtocontainer:migrateall -h
```

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

### Remove Extensions

Source: https://docs.typo3.org/p/sbublies/gridtocontainer/main/en-us/QuickStart/Index.html

After successful migration, remove EXT:gridelements and EXT:gridtocontainer using Composer. This should be done after ensuring all dependent extensions are updated or removed.

```bash
composer remove gridelementsteam/gridelements sbublies/gridtocontainer
```

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

### Search for Content Elements with colpos -1

Source: https://docs.typo3.org/p/sbublies/gridtocontainer/main/en-us/Usage/Index.html

This SQL query is used to find content elements in the tt_content table that still have the colpos value set to -1. This is a preliminary step before database cleanup.

```sql
SELECT * FROM tt_content where colpos=-1;
```

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

### Delete Deleted Content Elements with colpos -1

Source: https://docs.typo3.org/p/sbublies/gridtocontainer/main/en-us/Usage/Index.html

This SQL query deletes content elements from the tt_content table that are marked as deleted (deleted=1) and have the colpos value set to -1. This action is irreversible and requires a database backup beforehand.

```sql
DELETE FROM tt_content where colpos=-1 and deleted=1;
```

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