How To Return Two Value In Ajax Success And Split That?

You can used any sign or symbol between two value return like in ajax call file return echo $a.'###'.$b;

When its return value at ajax success funcation you can split that value.

$.ajax({
url: 'example.php',
type :'post',
data: 'val:val',
success: function(data){
//Split using youe symbol.
var arr=data.split('###');

//For first value $a.
alert(arr[0]);

//for second value $b.
alert(arr[1]);
}
});

Latest Version Of PHP

Latest version of is: 5.5.14

And you can download it from here: http://php.net/downloads.php

PHP How To Change The Image Size?

<?php
    $im=imagecreatetruecolor(800, 600);
    imagesavealpha($im, true);

    $trans_colour = imagecolorallocatealpha($im, 0, 0, 0, 127);
    imagefill($im, 0, 0, $trans_colour);
 
    $red = imagecolorallocate($im, 255, 0, 0);
    imagefilledellipse($im, 400, 300, 400, 300, $red);
 
    header("Content-type: image/png");
    imagepng($im);
?>