Filter hook 'site_allowed_themes'

Hook Information

Hook Parameters

Usage Examples

<?php
// Hook into site_allowed_themes
add_filter('site_allowed_themes', 'my_custom_filter', 10, 2);

function my_custom_filter($allowed_themes, $blog_id) {
    // Your custom filtering logic here
    return $allowed_themes;
}

Source Code Context

<?php
1769  				}
1770  			}
1771  		}
1772  
1773  		/** This filter is documented in wp-includes/class-wp-theme.php */
1774  		return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
1775  	}
1776  
1777  	/**
1778  	 * Returns the folder names of the block template directories.
1779  	 *

PHP Documentation

<?php
/**
			 * Filters the array of themes allowed on the site.
			 *
			 * @since 4.5.0
			 *
			 * @param string[] $allowed_themes An array of theme stylesheet names.
			 * @param int      $blog_id        ID of the site. Defaults to current site.
			 */
			return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id );
		}

		$current = get_current_blog_id() === $blog_id;

		if ( $current ) {
			$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' );
		} else {
			switch_to_blog( $blog_id );
			$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' );
			restore_current_blog();
		}

		/*
		 * This is all super old MU back compat joy.
		 * 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name.
		 */