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run code in 300+ PHP versions simultaneously
<?php $inputArray = ['foo', 'bar', 'foz', 'baz', 'fozboo']; $endResult = []; foreach (array_chunk($inputArray, 2) as $pair) { $endResult[] = $pair[0] . $pair[1]; } var_dump($endResult);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined array key 1 in /in/YlCgG on line 9 array(3) { [0]=> string(6) "foobar" [1]=> string(6) "fozbaz" [2]=> string(6) "fozboo" }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined offset: 1 in /in/YlCgG on line 9 array(3) { [0]=> string(6) "foobar" [1]=> string(6) "fozbaz" [2]=> string(6) "fozboo" }
Output for 7.3.32 - 7.3.33, 7.4.26
array(3) { [0]=> string(6) "foobar" [1]=> string(6) "fozbaz" [2]=> string(6) "fozboo" }

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