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<?php $array1 = array("a" => array(1)); $array2 = array("b" => array("1")); $a = array(1, 2, 3, 4); $b = array(2, 4, 5, 6); $result1 = array_intersect($a, $b); // 2 4 $result2 = array_intersect($a, $b); // 2 4 print_r($result1); print_r($result2); ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 ( [1] => 2 [3] => 4 ) Array ( [1] => 2 [3] => 4 )
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 ( [1] => 2 [3] => 4 ) Array ( [1] => 2 [3] => 4 )

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291.26 ms | 402 KiB | 459 Q