- var_dump: documentation ( source)
- strcmp: documentation ( source)
<?php
$xyz[]="a";
var_dump($xyz);
if($xyz != '')
{
echo "xyz is not empty! good to go!\n";
$pw1 = 'my cool password keep it secrete please';
$pw2 = 'some other password';
$abc = strcmp($xyz, $pw1);
if ($abc == 0) { echo "yep '$pw1' is the right password strcmp said so\n"; }
$def = strcmp($xyz, $pw2);
if ($def == 0) { echo "yep '$pw2' is the correct password too, strcmp said so\n"; }
$ghi = strcmp($pw1, $pw2);
if ($ghi != 0) { echo "weird '$pw1' isn't the same as '$pw2'\n"; }
else {echo "i am strcmp, and i declare that '$pw1' is the same as '$pw2'!!\n"; }
}