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run code in 300+ PHP versions simultaneously
<?php $arr = ["a","b","c","d","f"]; $last = null; foreach ($arr as $v) { if ($last !== null) { if (++$last !== $v) { echo $last; break; } } $last = $v; }
Output for 8.5.0 - 8.5.3
Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/6TfYf on line 8 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/6TfYf on line 8 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/6TfYf on line 8 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/6TfYf on line 8 e
Output for 7.0.0, 8.0.1 - 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
e
preferences:
78.52 ms | 1102 KiB | 4 Q