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<?php $a = array('a'=>1, 'b'=>2); var_dump(list($key, $value) = each($a));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function each() in /in/Xp1Uh:5 Stack trace: #0 {main} thrown in /in/Xp1Uh on line 5
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /in/Xp1Uh on line 5 array(4) { [1]=> int(1) ["value"]=> int(1) [0]=> string(1) "a" ["key"]=> string(1) "a" }
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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.3.32 - 7.3.33, 7.4.26
array(4) { [1]=> int(1) ["value"]=> int(1) [0]=> string(1) "a" ["key"]=> string(1) "a" }

preferences:
230.4 ms | 404 KiB | 381 Q