3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Mapper { function __invoke($r) { print_r($r); } function d( $s) { $s(2); } } $m = new Mapper(); $m(1); $m->d($m);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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
12
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Fatal error: Function name must be a string in /in/3N2gu on line 18
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Notice: Object to string conversion in /in/3N2gu on line 18 Fatal error: Call to undefined function: object() in /in/3N2gu on line 18
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Notice: Object to string conversion in /in/3N2gu on line 18 Fatal error: Call to undefined function: object() in /in/3N2gu on line 18
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Object to string conversion in /in/3N2gu on line 18 Fatal error: Call to undefined function: object() in /in/3N2gu on line 18
preferences:
248.04 ms | 401 KiB | 354 Q