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<?php $a = [1, 2, 3]; $b = array_map(function ($_) { if ($_ === 1) return 4; }, $a); var_dump($b); var_dump(array_values($b));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.3.4, 8.3.6
array(3) { [0]=> int(4) [1]=> NULL [2]=> NULL } array(3) { [0]=> int(4) [1]=> NULL [2]=> NULL }
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(3) { [0]=> int(4) [1]=> NULL [2]=> NULL } array(3) { [0]=> int(4) [1]=> NULL [2]=> NULL }
preferences:
145.8 ms | 402 KiB | 171 Q