- strpos: documentation ( source)
<?php
$video_url = 'http://google.com';
$needles = array('http://', 'https://');
// Normalise the URLs
foreach ($needles as $needle) {
if (strpos($video_url, $needle) !== 0) {
$video_url = 'http://' . $video_url;
}
}
echo $video_url;