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Description

Checks a theme's support for a given feature.

Usage

$bool = current_theme_supports( $feature );

Parameters

$feature

( string ) required – The feature being checked.

Returns

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

Source

File name: wordpress/wp-includes/theme.php
Lines: 1 to 62 of 62

function current_theme_supports( $feature ) {
  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 be performed
  if ( func_num_args() <= 1 ) {
    return true;
  }

  $args = array_slice( func_get_args(), 1 );

  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] );

    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] );

    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 current theme supports a specific feature.
 *
 * The dynamic portion of the hook name, `$feature`, refers to the specific theme
 * feature. Possible values include 'post-formats', 'post-thumbnails', 'custom-background',
 * 'custom-header', 'menus', 'automatic-feed-links', 'html5',
 * 'starter-content', and 'customize-selective-refresh-widgets'.
 *
 * @since 3.4.0
 *
 * @param bool   true     Whether the current 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 ] );
}
 

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