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run code in 300+ PHP versions simultaneously
<?php $A = [3,45,67,8]; $B = [ 1 => [1,6,8], 2 => [5,67,3,4,5,66,6], 3 => [55,56,57,58], 4 => [45,80,81,82] ]; $result = []; foreach ($A as $needle) { if ($found = array_keys($B, $needle)) { // something qualified echo "\nFound: "; var_export($found); //$result = array_merge($result, $found); // store the new key(s) //$B = array_intersect_key($B, $found); // reduce the haystack } //echo "Needle: $needle\n"; //var_export($B); //echo "\n--\n"; //var_export($result); //echo "\n----\n"; }
Output for 5.6.38, 7.1.0 - 7.1.23, 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
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
preferences:
155.87 ms | 402 KiB | 173 Q