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run code in 300+ PHP versions simultaneously
<?php class Foo { function f() { return 'I am foo'; } } class Bar { function f() { return 'I am bar'; } } if ( mt_rand(0,1) == 0 ) { $classname = 'Foo'; } else { $classname = 'Bar'; } $obj = new $classname(); echo $obj->f();
Output for 5.5.0, 5.5.5, 5.5.8, 5.5.11 - 5.5.13, 5.5.19, 5.5.22 - 5.5.25, 5.5.28 - 5.5.32, 5.5.35 - 5.5.37, 5.6.0, 5.6.3, 5.6.6 - 5.6.8, 5.6.11, 5.6.15 - 5.6.19, 5.6.21 - 5.6.22, 5.6.24, 7.0.0 - 7.0.1, 7.0.3, 7.0.5, 7.0.7 - 7.0.9, 7.1.0, 7.1.7, 7.2.0
I am bar
Output for 5.5.1 - 5.5.4, 5.5.6 - 5.5.7, 5.5.9 - 5.5.10, 5.5.14 - 5.5.18, 5.5.20 - 5.5.21, 5.5.26 - 5.5.27, 5.5.33 - 5.5.34, 5.5.38, 5.6.1 - 5.6.2, 5.6.4 - 5.6.5, 5.6.9 - 5.6.10, 5.6.12 - 5.6.14, 5.6.20, 5.6.23, 5.6.25 - 5.6.28, 7.0.2, 7.0.4, 7.0.6, 7.0.10 - 7.0.20, 7.1.5 - 7.1.6
I am foo
preferences:
60.82 ms | 411 KiB | 5 Q