Online PHP editor | refs for qjTT8

<?php $cases = [ '', __FILE__, '/etc/hosts' ]; foreach ($cases as $file) { $time = microtime(); for($i=0; $i < 10000; $i++) { false === stream_resolve_include_path(''); } echo "($file), stream_resolve_include_path(): ".(microtime() - $time).PHP_EOL; $time = microtime(); for($i=0; $i < 10000; $i++) { false === file_exists(''); } echo "($file), file_exists(): ". (microtime() - $time).PHP_EOL; }