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WP_Block_Type_Registry::is_registered( string $name ): bool

Checks if a block type is registered.

Parameters

$namestringrequired: Block type name including namespace.

Return

bool True if the block type is registered, false otherwise.

Source

public function is_registered( $name ) {
	return isset( $this->registered_block_types[ $name ] );
}

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Used by	Description
WP_Block_Type_Registry::register()`wp-includes/class-wp-block-type-registry.php`	Registers a block type.
WP_Block_Type_Registry::unregister()`wp-includes/class-wp-block-type-registry.php`	Unregisters a block type.
WP_Block_Type_Registry::get_registered()`wp-includes/class-wp-block-type-registry.php`	Retrieves a registered block type.

Changelog

Version	Description
5.0.0	Introduced.

User Contributed Notes

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Michelle 4 years ago

You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note
Used in a theme or plugin to check whether a particular block (core or custom) is registered:
```
// $name would be written as a string like 'core/paragraph' or 'acf/my-block-name'
function wpdocs_check_block_registry( $name ) { 
	return WP_Block_Type_Registry::get_instance()->is_registered( $name );
}
```
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