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<?php $a = [ 0 => 'AXA', 1 => 'VHV', 2 => 'TEST', ]; $doctypes = [ 12 => 'AXA', 156 => 'VHV', 8 => 'TEST', ]; $tops = array_map( function (string $name) use ($doctypes) { return in_array($name, $doctypes) ? $name : null; }, $a ); var_dump($tops); exit;
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.4 - 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]=> string(3) "AXA" [1]=> string(3) "VHV" [2]=> string(4) "TEST" }
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]=> string(3) "AXA" [1]=> string(3) "VHV" [2]=> string(4) "TEST" }

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