3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=Array ( '0' => 'H', '1' => 'e', '2'=> 'l', '3' => 'l', '4' => 'o', '5' => 'W', '6' => 'o', '7' => 'r', '8' => 'l', '9' => 'd', '10' => '!' ); $b=Array ( '1' => 'e', '5' => 'W', '7' => 'r', '9' => '!' ); print_r(array_intersect_assoc ($a,$b)==$b);
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.3.6

preferences:
231.1 ms | 405 KiB | 357 Q