- var_dump: documentation ( source)
<?php
/**
* Which one is greatest?
*/
$inf = INF;
$array = array();
$object = (object) $array;
$InfGreaterThanArray = ($inf > $array);
$InfGreaterThanObject = ($inf > $object);
$arrayGreaterThanInf = ($array > $inf);
$arrayGreaterThanObject = ($array > $object);
$objectGreaterThanInf = ($object > $inf);
$objectGreaterThanArray = ($object > array());
// Test1: Is INF greatest? # boolean(false)
var_dump($InfIsGreatest = $InfGreaterThanObject and $InfGreaterThanArray);
// Test2: Is Array greatest? # boolean(false)
var_dump($arrayIsGreatest = $arrayGreaterThanInf and $arrayGreaterThanObject);
// Test3: Is Object greatest? # boolean(false)
var_dump($objectIsGreatest = $objectGreaterThanInf and $objectGreaterThanArray);
// Test4: Undefined? # boolean(true)
var_dump($InfIsGreatest and $InfIsGreatest == $arrayIsGreatest || $arrayIsGreatest and $arrayIsGreatest == $objectIsGreatest);