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Description

Checks a theme's support for a given feature.

Example usage:

• current_theme_supports( 'custom-logo' );
• current_theme_supports( 'html5', 'comment-form' );

Usage

$bool = current_theme_supports( $feature, $args );

Parameters

$feature

( string ) required – The feature being checked. See add_theme_support() for the list of possible values.

$args

( mixed ) optional –

Returns

bool True if the active theme supports the feature, false otherwise.

Source

File name: wordpress/wp-includes/theme.php
Lines:

function current_theme_supports( $feature, ...$args ) {
  global $_wp_theme_features;

  if ( 'custom-header-uploads' === $feature ) {
    return current_theme_supports( 'custom-header', 'uploads' );
  }

  if ( ! isset( $_wp_theme_features[ $feature ] ) ) {
    return false;
  }

  // If no args passed then no extra checks need to be performed.
  if ( ! $args ) {
    
/** This filter is documented in wp-includes/theme.php */
    return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[ $feature ] ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
  }

  switch ( $feature ) {
    case 'post-thumbnails':
      /*
			 * post-thumbnails can be registered for only certain content/post types
			 * by passing an array of types to add_theme_support().
			 * If no array was passed, then any type is accepted.
			 */
      if ( true === $_wp_theme_features[ $feature ] ) {  // Registered for all types.
        return true;
      }
      $content_type = $args[0];
      return in_array( $content_type, $_wp_theme_features[ $feature ][0], true );

    case 'html5':
    case 'post-formats':
      /*
			 * Specific post formats can be registered by passing an array of types
			 * to add_theme_support().
			 *
			 * Specific areas of HTML5 support *must* be passed via an array to add_theme_support().
			 */
      $type = $args[0];
      return in_array( $type, $_wp_theme_features[ $feature ][0], true );

    case 'custom-logo':
    case 'custom-header':
    case 'custom-background':
      // Specific capabilities can be registered by passing an array to add_theme_support().
      return ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) && $_wp_theme_features[ $feature ][0][ $args[0] ] );
  }

  
/**
 * Filters whether the active theme supports a specific feature.
 *
 * The dynamic portion of the hook name, `$feature`, refers to the specific
 * theme feature. See add_theme_support() for the list of possible values.
 *
 * @since 3.4.0
 *
 * @param bool   $supports Whether the active theme supports the given feature. Default true.
 * @param array  $args     Array of arguments for the feature.
 * @param string $feature  The theme feature.
 */
  return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[ $feature ] ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
}
 

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