- substr: documentation ( source)
<?php
$baseUrl = '/core/install.php';
$requestUri = '/core/install.php';
if (null !== $baseUrl && false === $pathInfo = substr($requestUri, strlen($baseUrl))) {
// If substr() returns false then PATH_INFO is set to an empty string
print '/';
} elseif (null === $baseUrl) {
print $requestUri;
}
print $pathInfo;