3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array(1),2,3); $b = array(1,2,3); $f = array(2,3,4); $c = array_merge($a, $b, $f); $d = array_unique(array_merge(array(1,2,3),array(array("hola" =>1,"como" => 2, "andas" => 3), array("hola" => 2, "bien" => 3, "vos" => 4)))); var_dump($d);
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: Array to string conversion in /in/vFv4B on line 8 Warning: Array to string conversion in /in/vFv4B on line 8 array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> array(3) { ["hola"]=> int(1) ["como"]=> int(2) ["andas"]=> int(3) } }
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> array(3) { ["hola"]=> int(1) ["como"]=> int(2) ["andas"]=> int(3) } }
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 - 5.2.8, 5.2.10 - 5.2.17, 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> array(3) { ["hola"]=> int(1) ["como"]=> int(2) ["andas"]=> int(3) } }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> array(3) { ["hola"]=> int(1) ["como"]=> int(2) ["andas"]=> int(3) } }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 Notice: Array to string conversion in /in/vFv4B on line 8 array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> array(3) { ["hola"]=> int(1) ["como"]=> int(2) ["andas"]=> int(3) } }
Output for 5.2.9
array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> array(3) { ["hola"]=> int(1) ["como"]=> int(2) ["andas"]=> int(3) } [4]=> array(3) { ["hola"]=> int(2) ["bien"]=> int(3) ["vos"]=> int(4) } }

preferences:
238.37 ms | 401 KiB | 308 Q