PHP

php console log

// Assuming you are wishing to log to the JS Console...

<?php
	function consoleLog($msg) {
		echo '<script type="text/javascript">' .
          'console.log(' . $msg . ');</script>';
	}

	consoleLog('Hello, console!');
?>

php console log

echo("<script type='text/javascript'> console.log($msg);</script>");

console php

//display message in console

<?php
	function console_log($msg) {
		echo '<script>' .
          'console.log("'.$msg .' ")</script>';
	}

	console_log("Hi there!");
?>

console log in php

<?php 
function console_log($object){
    echo "<script>console.log(".json_encode(var_export($object, true)).");</script>";
}
console_log('wow!');

?>

php console log

// A little correction / improvement to @Kaotik's answer:
<?php
	function consoleLog($msg)
	{
		echo '<script type="text/javascript">console.log('
          . str_replace('<', 'x3C', json_encode($msg))
          . ');</script>';
	}

	consoleLog('Hello, console!');
?>

php console log

<?php
	function consoleLog($msg) {
		echo '<script type="text/javascript">console.log('. $msg .');</script>';
	}
	consoleLog("'Hello world!'");
?>