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run code in 300+ PHP versions simultaneously
<?php $s = ''; if (empty($s['offset'])) { print "empty"; } else { print "not empty"; } $s = ''; if (empty($s['double offset']['offset'])) { print "empty"; } else { print "not empty"; } $s = array('double offset' => ''); if (empty($s['double offset']['offset']['set off'])) { print "empty"; } else { print "not empty"; }
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.9, 5.3.6 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
emptyemptyempty
Output for 5.2.10 - 5.2.17, 5.3.0 - 5.3.5
empty Notice: Uninitialized string offset: 0 in /in/8eVhW on line 12 empty Notice: Uninitialized string offset: 0 in /in/8eVhW on line 20 empty
Output for 4.3.0 - 4.3.2
Notice: Uninitialized string offset: 0 in /in/8eVhW on line 4 emptyemptyempty
preferences:
304.16 ms | 401 KiB | 459 Q