<?php
/**
* Compare building an array an in_array()ing it, vs a regex check
*/
$runs = 1000000;
// in_array
$t = microtime(true);
for ($i = 0; $i < $runs; $i++) {
if (in_array('test', ['foo','bar','baz','fooby','bario','xyz','abc','def','ghi','jkl','mno','pqr','stu','vwx']));
}
$t -= microtime(true);
echo 'in_array: ', $t, PHP_EOL;
// preg_match
$t = microtime(true);
for ($i = 0; $i < $runs; $i++) {
if (preg_match('/^(foo|bar|baz|fooby|bario|xyz|abc|def|ghi|jkl|mno|pqr|stu|vwx)$/', 'test'));
}
$t -= microtime(true);
echo 'preg_match: ', $t, PHP_EOL;
preferences:
34.14 ms | 402 KiB | 5 Q