3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = array('a1','a2', 'a3','a4'); $result=""; foreach ($a1 as $a2) { $result.='"'.$a2.'"'; } $comma_separated = implode(",", $result); $comma_separated;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /in/YbhZ1:10 Stack trace: #0 /in/YbhZ1(10): implode(',', '"a1""a2""a3""a4...') #1 {main} thrown in /in/YbhZ1 on line 10
Process exited with code 255.
Output for 5.2.5 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: implode(): Invalid arguments passed in /in/YbhZ1 on line 10
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.4
Warning: implode(): Bad arguments. in /in/YbhZ1 on line 10
Output for 4.3.0 - 4.3.1
Warning: implode() [http://www.php.net/function.implode]: Bad arguments. in /in/YbhZ1 on line 10
preferences:
298.52 ms | 401 KiB | 461 Q