Hide Toolbar When There’s an Error

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<?php

function wp_error($errno, $errstr, $errfile, $errline){
	$errorType = array (
		 E_ERROR 			=> 'ERROR',
		 E_CORE_ERROR     		=> 'CORE ERROR',
		 E_COMPILE_ERROR  		=> 'COMPILE ERROR',
		 E_USER_ERROR     		=> 'USER ERROR',
		 E_RECOVERABLE_ERROR            => 'RECOVERABLE ERROR',
		 E_WARNING        		=> 'WARNING',
		 E_CORE_WARNING   		=> 'CORE WARNING',
		 E_COMPILE_WARNING 		=> 'COMPILE WARNING',
		 E_USER_WARNING   		=> 'USER WARNING',
		 E_NOTICE         		=> 'NOTICE',
		 E_USER_NOTICE    		=> 'USER NOTICE',
		 E_DEPRECATED			=> 'DEPRECATED',
		 E_USER_DEPRECATED		=> 'USER_DEPRECATED',
		 E_PARSE          		=> 'PARSING ERROR'
	);
	if (array_key_exists($errno, $errorType)) {
		$errname = $errorType[$errno];
	} else {
		$errname = 'UNKNOWN ERROR';
	}
	echo $errname. ' Error: [' . $errno . '] ' . $errstr . $errfile . ' on line ' . $errline;
	remove_action( 'admin_footer', 'wp_admin_bar_render', 1000 );
}
if(is_admin()){
	set_error_handler('wp_error', E_ERROR ^ E_CORE_ERROR ^ E_COMPILE_ERROR ^ E_USER_ERROR ^ E_RECOVERABLE_ERROR ^ E_WARNING ^ E_CORE_WARNING ^ E_COMPILE_WARNING ^ E_USER_WARNING ^ E_NOTICE ^ E_USER_NOTICE ^ E_DEPRECATED ^ E_USER_DEPRECATED ^ E_PARSE );
}

?>

Instructions:

Just put this code in your functions.php file or functionality plugin. When you have a PHP error this code will hide the admin toolbar. Letting you see the error.

Related links:

http://innermindlabs.com/quick-tip-wordpress-hide-the-toolbar-for-errors/