- substr: documentation ( source)
- var_dump: documentation ( source)
- strrpos: documentation ( source)
- define: documentation ( source)
<?php
if (@__DIR__ == '__DIR__') {
echo "magic __DIR__ constant NOT defined\r\n";
echo "defining __DIR__ constant\r\n";
define('__DIR__', substr(__FILE__, 0, strrpos(__FILE__, DIRECTORY_SEPARATOR)));
}
else {
echo "magic __DIR__ constant IS defined\r\n";
}
echo "r\nresult of var_dump(__DIR__):\r\n";
var_dump(__DIR__);