check if contains http:// in php

$strUrl       = "http://www.google.com?query_string=10#fragment";
$strUrl       = $websiteLink;
$arrParsedUrl = parse_url($strUrl);
p($arrParsedUrl);
if (!empty($arrParsedUrl['scheme']))
{
// Contains http:// schema
if ($arrParsedUrl['scheme'] === "http"){

}
// Contains https:// schema
else if ($arrParsedUrl['scheme'] === "https"){

}
}
// Don't contains http:// or https://
else{

}