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run code in 150+ php & hhvm versions
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<?php $arr1 = array( 'foo' => 10, 'bar' => 20 ); $arr2 = array( 'hey' => 10, 'bar' => 20 ); var_dump(array_intersect($arr1, array('lol' => 20)));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["bar"]=> int(20) }