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run code in 300+ PHP versions simultaneously
<?php $array = array( 'foo' => 'bar', ); $timestamp = time(); for ($i=1;$i<10000;$i++) { if (array_keys($array)) {} } $timestamp = time()-$timestamp; var_dump($timestamp); for ($i=1;$i<10000;$i++) { if (!empty($array)) {} } $timestamp = time()-$timestamp; var_dump($timestamp);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.24, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
int(0) int(1368687823)
preferences:
172.52 ms | 404 KiB | 245 Q