functions.php

<?php
/**
 * Extendable functions and definitions
 *
 * @link https://developer.wordpress.org/themes/basics/theme-functions/
 *
 * @package Extendable
 * @since Extendable 1.0
 */

if ( ! function_exists( 'extendable_support' ) ) :

	/**
	 * Sets up theme defaults and registers support for various WordPress features.
	 *
	 * @since Extendable 1.0
	 *
	 * @return void
	 */
	function extendable_support() {

		// Add support for block styles.
		add_theme_support( 'wp-block-styles' );

		global $wp_version;
		// Add style for WordPress older versions.
		if ( version_compare( $wp_version, '6.0.2', '<=' ) ) {
			$editor_style = array(
				'style.css',
				'/assets/css/deprecate-style.css',
			);
		} else {
			$editor_style = 'style.css';
		}
		// Enqueue editor styles.
		add_editor_style( $editor_style );
	}

endif;

add_action( 'after_setup_theme', 'extendable_support' );

if ( ! function_exists( 'extendable_styles' ) ) :

	/**
	 * Enqueue styles.
	 *
	 * @since Extendable 1.0
	 *
	 * @return void
	 */
	function extendable_styles() {

		// Register theme stylesheet.
		$theme_version = wp_get_theme()->get( 'Version' );

		$version_string = is_string( $theme_version ) ? $theme_version : false;
		wp_register_style(
			'extendable-style',
			get_template_directory_uri() . '/style.css',
			array(),
			$version_string
		);

		// Enqueue theme stylesheet.
		wp_enqueue_style( 'extendable-style' );

		global $wp_version;
		if ( version_compare( $wp_version, '6.0.2', '<=' ) ) {
			// Register deprecate stylesheet.
			wp_register_style(
				'extendable-deprecate-style',
				get_template_directory_uri() . '/assets/css/deprecate-style.css',
				array(),
				$version_string
			);
			// Enqueue deprecate stylesheet.
			wp_enqueue_style( 'extendable-deprecate-style' );
		}
	}

endif;

add_action( 'wp_enqueue_scripts', 'extendable_styles' );

/**
 * Enqueue block-specific styles.
 *
 * @since Extendable 2.0.11
 *
 * @return void
 */
function extendable_enqueue_block_styles() {
	// Check for specific blocks and enqueue their styles
	if ( has_block( 'contact-form-7/contact-form-selector' ) ) {
		wp_enqueue_style(
			'extendable-contact-form-7-style',
			get_template_directory_uri() . '/assets/css/contact-form-7.css',
			array(),
			'1.0.0'
		);
	}

	if ( has_block( 'wpforms/form-selector' ) ) {
		wp_enqueue_style(
			'extendable-wpforms-style',
			get_template_directory_uri() . '/assets/css/wpforms.css',
			array(),
			'1.0.0'
		);
	}
}

add_action( 'enqueue_block_assets', 'extendable_enqueue_block_styles' );

/**
 * Registers pattern categories.
 *
 * @since Extendable 1.0
 *
 * @return void
 */
function extendable_register_pattern_categories() {
	$block_pattern_categories = array(
		'header' => array( 'label' => __( 'Headers', 'extendable' ) ),
		'footer' => array( 'label' => __( 'Footers', 'extendable' ) ),
	);

	/**
	 * Filters the theme block pattern categories.
	 *
	 * @since Extendable 1.0
	 *
	 * @param array[] $block_pattern_categories {
	 *     An associative array of block pattern categories, keyed by category name.
	 *
	 *     @type array[] $properties {
	 *         An array of block category properties.
	 *
	 *         @type string $label A human-readable label for the pattern category.
	 *     }
	 * }
	 */
	$block_pattern_categories = apply_filters( 'extendable_block_pattern_categories', $block_pattern_categories );

	foreach ( $block_pattern_categories as $name => $properties ) {
		if ( ! WP_Block_Pattern_Categories_Registry::get_instance()->is_registered( $name ) ) {
			register_block_pattern_category( $name, $properties );
		}
	}
}
add_action( 'init', 'extendable_register_pattern_categories', 9 );