Match Blocks example

match-blocks-example.php

<?php

// Find all paragraph blocks in a post:
$grafs = \Alley\WP\match_blocks( $post, [ 'name' => 'core/paragraph' ] );

// Include paragraphs in inner blocks:
$grafs = \Alley\WP\match_blocks(
	$post,
	[
		'flatten' => true,
		'name'    => 'core/paragraph',
	]
);

// Get all paragraphs and headings:
$blocks = \Alley\WP\match_blocks(
	'<!-- wp:paragraph -->…',
	[
		'name' => [ 'core/heading', 'core/paragraph' ],
	]
);

// Get all images credited to the Associated Press:
$images = \Alley\WP\match_blocks(
	$post,
	[
		'attrs' => [
			[
				'key'      => 'credit',
				'value'    => '/(The )?Associated Press/i',
				'operator' => 'REGEX',
			],
			[
				'key'   => 'credit',
				'value' => 'AP',
			],
			'relation' => 'OR',
		],
		'name'  => 'core/image',
	]
);