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<?php

if ( ! function_exists( 'prefix_debugging_info' ) ) {
	/**
	 * Display commented debugging info in the site head
	 */
	function prefix_debugging_info() {

		if ( is_feed() ) {
			return;
		}

		$theme = wp_get_theme();
		$child = "";

		if ( is_child_theme() ) {

			$child = "- - - - - - - - - - -\n";
			$child .= "ChildTheme: " . $theme->get( 'Name' ) . "\n";
			$child .= "ChildTheme Version: " . $theme->get( 'Version' ) . "\n";
			$child .= "ChildTheme Installed: " . $theme->get( 'Template' ) . "\n\n";

			$theme = wp_get_theme( $theme->get( 'Template' ) );
		}

		$info = "\n\n<!--\n";
		$info .= "Debugging Info for the theme support: \n\n";
		$info .= "Theme: " . $theme->get( 'Name' ) . "\n";
		$info .= "Version: " . $theme->get( 'Version' ) . "\n";
		$info .= "Installed: " . $theme->get_template() . "\n";

		$info .= $child;

		//memory setting, peak usage and number of active plugins
		$info .= "ML:" . trim( @ini_get( 'memory_limit' ), 'M' ) . " PU:" . ( ceil( memory_get_peak_usage() / 1000 / 1000 ) ) . " AP:" . count( get_option( 'active_plugins' ) ) . "\n";
		$info .= "WP:" . get_bloginfo( 'version' ) . "\n";

		$info .= "-->\n\n";
		echo apply_filters( 'prefix_debugging_info', $info );
	}

	add_action( 'wp_head', 'prefix_debugging_info', 1000 );
	add_action( 'admin_print_scripts', 'prefix_debugging_info', 1000 );
}