3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("a" => "apple", "b" => "banana"); $a .= array("a" => "pear", "b" => "strawberry", "c" => "cherry"); var_dump($a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Array to string conversion in /in/DbZQA on line 4 Warning: Array to string conversion in /in/DbZQA on line 4 string(10) "ArrayArray"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Array to string conversion in /in/DbZQA on line 4 Notice: Array to string conversion in /in/DbZQA on line 4 string(10) "ArrayArray"
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, 7.3.32 - 7.3.33, 7.4.26
string(10) "ArrayArray"
preferences:
198.48 ms | 403 KiB | 360 Q