3v4l.org

run code in 300+ PHP versions simultaneously
<?php $example = "1'),('50'),('42"; echo $example, ' is ', $example < 1 ? '<1' : '>=1', "\n"; echo $example, ' is ', $example > 20 ? '>20' : '<=20', "\n";
Output for 7.1.25 - 7.1.30, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
1'),('50'),('42 is >=1 1'),('50'),('42 is <=20

preferences:
107.09 ms | 1431 KiB | 4 Q