3v4l.org

run code in 300+ PHP versions simultaneously
<?php class c { var $v = ''; } function cf($c, $v) { $c->v = $v; } $c = new c(); $c1 = $c; cf($c, '123'); var_dump($c); var_dump($c1); //output php5 //output php4, fix capbility, fix output to '123'
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
object(c)#1 (1) { ["v"]=> string(3) "123" } object(c)#1 (1) { ["v"]=> string(3) "123" }
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/lm2fs on line 4 object(c)#1 (1) { ["v"]=> string(3) "123" } object(c)#1 (1) { ["v"]=> string(3) "123" }
Output for 5.1.0
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/lm2fs on line 4 Fatal error: fatal flex scanner internal error--end of buffer missed in /in/lm2fs on line 21
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(c)(1) { ["v"]=> string(0) "" } object(c)(1) { ["v"]=> string(0) "" }

preferences:
336.34 ms | 402 KiB | 386 Q