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Description

Retrieves the URL of a file in the theme.

Searches in the stylesheet directory before the template directory so themes which inherit from a parent theme can just override one file.

Usage

$string = get_theme_file_uri( $file );

Parameters

$file

( string ) optional – Optional. File to search for in the stylesheet directory.

Returns

string The URL of the file.

Source

File name: wordpress/wp-includes/link-template.php
Lines:

function get_theme_file_uri( $file = '' ) {
  $file = ltrim( $file, '/' );

  if ( empty( $file ) ) {
    $url = get_stylesheet_directory_uri();
  } elseif ( file_exists( get_stylesheet_directory() . '/' . $file ) ) {
    $url = get_stylesheet_directory_uri() . '/' . $file;
  } else {
    $url = get_template_directory_uri() . '/' . $file;
  }

  
/**
 * Filters the URL to a file in the theme.
 *
 * @since 4.7.0
 *
 * @param string $url  The file URL.
 * @param string $file The requested file to search for.
 */
  return apply_filters( 'theme_file_uri', $url, $file );
}
 

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