Online PHP editor | output for VYYko

@ 2013-07-04T08:31:22Z

<?php
$array=array("number"=>"3","string"=>"abc","null"=>null);
$ncache=array();
$scache=array();
foreach(range(1,10000) as $it)
{
	$ncache[]=$array;
	$scache[]=$array;
}
function ncompress(&$v)
{
	if(is_numeric($v)) $v=floatval($v);
	elseif(is_string($v)) $v=trim($v);
	elseif(is_null($v)) $v=null;
}
function scompress(&$v)
{
	if(is_numeric($v)) $v=floatval($v);
	elseif(is_string($v)) $v=trim($v);
	elseif(is_null($v)) $v="";
}
array_walk_recursive($ncache,"ncompress");
array_walk_recursive($scache,"scompress");
echo "Length of null  : ".strlen(json_encode($ncache))
    .' ('.strlen(gzdeflate(json_encode($ncache))).')';
echo "\n";
echo "Length of string: ".strlen(json_encode($scache))
    .' ('.strlen(gzdeflate(json_encode($scache))).')';

Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Length of null : 400001 (1223) Length of string: 380001 (1163)
Output for 5.0.1 - 5.0.5, 5.1.0 - 5.1.6: Fatal error: Call to undefined function json_encode() in /in/VYYko on line 24
Process exited with code 255.
Output for 5.0.0: Process exited with code 139.
Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: array_walk_recursive() in /in/VYYko on line 22
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: array_walk_recursive() in /in/VYYko on line 22
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: array_walk_recursive() in /in/VYYko on line 22

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