3v4l.org

run code in 300+ PHP versions simultaneously
<?php $types = array( 'week', 'month' ); $week = array( 'one' => 1.2, 'two' => 0.13, ); $month = array( 'one' => 1.2, 'two' => 0.13, ); foreach ($types as $type) { echo ${$type}['one']; echo ${$type}['two']; }
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 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
1.20.131.20.13
preferences:
150.21 ms | 410 KiB | 5 Q