3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'Hello World'; $sql = [1 => ["id" => 1, "num" => "123"], 2 => ["id" => 2, "num" => "456"]]; $mongo = ["id" => 1, "num" => "123"]; $mongo = array($mongo); $a = array_diff($sql, $mongo); var_dump($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
Hello World Warning: Array to string conversion in /in/HEvl1 on line 6 Warning: Array to string conversion in /in/HEvl1 on line 6 Warning: Array to string conversion in /in/HEvl1 on line 6 array(0) { }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Hello World Notice: Array to string conversion in /in/HEvl1 on line 6 Notice: Array to string conversion in /in/HEvl1 on line 6 Notice: Array to string conversion in /in/HEvl1 on line 6 array(0) { }
Output for 7.3.32 - 7.3.33
Hello Worldarray(0) { }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Hello World Notice: Array to string conversion in /in/HEvl1 on line 6 Notice: Array to string conversion in /in/HEvl1 on line 6 Notice: Array to string conversion in /in/HEvl1 on line 6 Notice: Array to string conversion in /in/HEvl1 on line 6 Notice: Array to string conversion in /in/HEvl1 on line 6 Notice: Array to string conversion in /in/HEvl1 on line 6 array(0) { }
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/HEvl1 on line 3
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/HEvl1 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/HEvl1 on line 3
Process exited with code 255.
preferences:
328.52 ms | 401 KiB | 459 Q