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Edit File: class-wp-block-bindings-source.php
<?php /** * Block Bindings API: WP_Block_Bindings_Source class. * * @package WordPress * @subpackage Block Bindings * @since 6.5.0 */ /** * Class representing block bindings source. * * This class is designed for internal use by the Block Bindings registry. * * @since 6.5.0 * @access private * * @see WP_Block_Bindings_Registry */ final class WP_Block_Bindings_Source { /** * The name of the source. * * @since 6.5.0 * @var string */ public $name; /** * The label of the source. * * @since 6.5.0 * @var string */ public $label; /** * The function used to get the value from the source. * * @since 6.5.0 * @var callable */ private $get_value_callback; /** * The context added to the blocks needed by the source. * * @since 6.5.0 * @var string[]|null */ public $uses_context = null; /** * Constructor. * * Do not use this constructor directly. Instead, use the * `WP_Block_Bindings_Registry::register` method or the `register_block_bindings_source` function. * * @since 6.5.0 * * @param string $name The name of the source. * @param array $source_properties The properties of the source. */ public function __construct( string $name, array $source_properties ) { $this->name = $name; foreach ( $source_properties as $property_name => $property_value ) { $this->$property_name = $property_value; } } /** * Calls the callback function specified in the `$get_value_callback` property * with the given arguments and returns the result. It can be modified with * `block_bindings_source_value` filter. * * @since 6.5.0 * @since 6.7.0 `block_bindings_source_value` filter was added. * * @param array $source_args Array containing source arguments used to look up the override value, i.e. {"key": "foo"}. * @param WP_Block $block_instance The block instance. * @param string $attribute_name The name of the target attribute. * @return mixed The value of the source. */ public function get_value( array $source_args, $block_instance, string $attribute_name ) { $value = call_user_func_array( $this->get_value_callback, array( $source_args, $block_instance, $attribute_name ) ); /** * Filters the output of a block bindings source. * * @since 6.7.0 * * @param mixed $value The computed value for the source. * @param string $name The name of the source. * @param array $source_args Array containing source arguments used to look up the override value, i.e. { "key": "foo" }. * @param WP_Block $block_instance The block instance. * @param string $attribute_name The name of an attribute. */ return apply_filters( 'block_bindings_source_value', $value, $this->name, $source_args, $block_instance, $attribute_name ); } /** * Wakeup magic method. * * @since 6.5.0 */ public function __wakeup() { throw new \LogicException( __CLASS__ . ' should never be unserialized' ); } }