validate_plugin( string $plugin )

Validate the plugin path.


Description Description

Checks that the main plugin file exists and is a valid plugin. See validate_file().


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Parameters Parameters

$plugin

(string) (Required) Path to the plugin file relative to the plugins directory.


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Return Return

(int|WP_Error) 0 on success, WP_Error on failure.


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Source Source

File: wp-admin/includes/plugin.php

function validate_plugin( $plugin ) {
	if ( validate_file( $plugin ) ) {
		return new WP_Error( 'plugin_invalid', __( 'Invalid plugin path.' ) );
	}
	if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) {
		return new WP_Error( 'plugin_not_found', __( 'Plugin file does not exist.' ) );
	}

	$installed_plugins = get_plugins();
	if ( ! isset( $installed_plugins[ $plugin ] ) ) {
		return new WP_Error( 'no_plugin_header', __( 'The plugin does not have a valid header.' ) );
	}
	return 0;
}


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Changelog Changelog

Changelog
Version Description
2.5.0 Introduced.

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