best way to debug php in the browser console

debug php in the browser console

<?php
/**
 * Send debug code to the Javascript console
 */ 
function debug_to_console($data) {
    if(is_array($data) || is_object($data))
  {
		echo("<script>
				if(console.debug!="undefined"){
					console.log('PHP: ".json_encode($data)."');
				}</script>");
	} else {
		echo("<script>
				if(console.debug!="undefined"){	
					console.log('PHP: ".$data."');
				}</script>");
	}
}
?>