- var_dump: documentation ( source)
- preg_match: documentation ( source)
<?php
$page = "Test";
$page1 = "test";
var_dump(preg_match("/^test/", $page)); // int(0)
var_dump(preg_match("/^test/", $page1)); // int(1)
var_dump(preg_match("/^test/i", $page)); // int(1)
var_dump(preg_match("/^test/i", $page1)); // int(1)