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run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; $b = [4,5,6,7]; var_dump(array_map(null, $a, $b));
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(4) { [0]=> array(2) { [0]=> int(1) [1]=> int(4) } [1]=> array(2) { [0]=> int(2) [1]=> int(5) } [2]=> array(2) { [0]=> int(3) [1]=> int(6) } [3]=> array(2) { [0]=> NULL [1]=> int(7) } }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(4) { [0]=> array(2) { [0]=> int(1) [1]=> int(4) } [1]=> array(2) { [0]=> int(2) [1]=> int(5) } [2]=> array(2) { [0]=> int(3) [1]=> int(6) } [3]=> array(2) { [0]=> NULL [1]=> int(7) } }

preferences:
153.64 ms | 402 KiB | 155 Q