3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new \DateTime(); $t1 = $date->getTimestamp(); $t2 = $date->format('U'); print gettype($t1) . PHP_EOL; print gettype($t2) . PHP_EOL;
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
integer string

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129.61 ms | 408 KiB | 5 Q