plugin_dir_url( string $file )

Get the URL directory path (with trailing slash) for the plugin __FILE__ passed in.

Contents

Description Description

Parameters Parameters

$file

(string) (Required) The filename of the plugin (__FILE__).

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Return Return

(string) the URL path of the directory that contains the plugin.

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Source Source

File: wp-includes/plugin.php 

function plugin_dir_url( $file ) {
	return trailingslashit( plugins_url( '', $file ) );
}

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Changelog Changelog

Changelog
Version Description
2.8.0 Introduced.

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Uses Uses

Uses
Uses Description
wp-includes/formatting.php: trailingslashit()

Appends a trailing slash.
wp-includes/link-template.php: plugins_url()

Retrieves a URL within the plugins or mu-plugins directory.

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User Contributed Notes User Contributed Notes

  1. Skip to note 1 content
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    Contributed by Codex —

    Basic Example

    /**
 * Include CSS file for MyPlugin.
 */
function myplugin_scripts() {
    wp_register_style( 'foo-styles',  plugin_dir_url( __FILE__ ) . 'assets/foo-styles.css' );
    wp_enqueue_style( 'foo-styles' );
}
add_action( 'wp_enqueue_scripts', 'myplugin_scripts' );

    Would echo:

    http://example.com/wp-content/plugins/my-plugin/assets/foo-styles.css
  2. Skip to note 2 content
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    Contributed by 10Horizons —

    Let’s say current URL is: http://example.com/wp-content/plugins/my-plugin/includes/

    echo plugin_dir_url( __FILE__ ).'images/placeholder.png';

    will output: http://example.com/wp-content/plugins/my-plugin/includes/images/placeholder.png

    echo plugin_dir_url( __DIR__ ).'images/placeholder.png';

    will output: http://example.com/wp-content/plugins/my-plugin/images/placeholder.png

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