3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Init Arrays $arrayOne = [1, 2, 3]; $arrayTwo = [201, 4, 450, 2]; // Merge Arrays $arrayMerged = array_merge($arrayOne, $arrayTwo); $Merged2 = array_merge( $arrayMerged, $arrayTwo ); // Print print_r($arrayMerged); print_r($Merged2);
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 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 - 8.3.6
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 201 [4] => 4 [5] => 450 [6] => 2 ) Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 201 [4] => 4 [5] => 450 [6] => 2 [7] => 201 [8] => 4 [9] => 450 [10] => 2 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/6kcBE on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/6kcBE on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/6kcBE on line 4
Process exited with code 255.
preferences:
223.87 ms | 401 KiB | 311 Q