- var_dump: documentation ( source)
- strcasecmp: documentation ( source)
- phpversion: documentation ( source)
- usort: documentation ( source)
<?php
$tags = array('Test', 'tests', 'tes', 'abc');
usort($tags, function($a, $b) {
return strcasecmp($a, $b);
});
var_dump($tags);
echo phpversion ();