- print_r: documentation ( source)
- in_array: documentation ( source)
- strtolower: documentation ( source)
<?php
$tries = array("when what", "why?");
$answers = array("Why", "Why?");
$tries = array("why?", "why");
$answers = array("Why", "Why?");
$tries = array("why?");
$answers = array("Why", "Why?");
echo "<pre>";
print_r($tries);
print_r($answers);
//
$count = 0;
foreach ($answers as $key => $value) {
if (in_array(strtolower($value),$tries)) {
$count++;
}
}
echo $count;
echo "</pre>";
?>