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run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8); $b = array(1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8,1,2,3,4,5,6,7,9,8); $c = array(1,2,3,4); $d = array(2,4); //print_r($x); //print_r($y); $x = array_flip($a); $y = array_flip($b); $x = array_intersect_key($x, $y); // 2 4 $x = array_flip($x); //$y = array_flip($y); //$x = array_intersect($a,$b); //print_r($result2); print_r($x); //print_r($result3); ?>
Output for 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 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 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 ( [414] => 1 [415] => 2 [416] => 3 [417] => 4 [418] => 5 [419] => 6 [420] => 7 [421] => 9 [422] => 8 )
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 ( [414] => 1 [415] => 2 [416] => 3 [417] => 4 [418] => 5 [419] => 6 [420] => 7 [421] => 9 [422] => 8 )
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/OFJGu on line 14
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/OFJGu on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/OFJGu on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/OFJGu on line 14

preferences:
233.49 ms | 401 KiB | 356 Q