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run code in 150+ php & hhvm versions
Bugs & Features
<?php //No constructor class Foo {} $a = null; $f = new Foo($a = 123); var_dump($a); // NULL as expected //PHP 5 style constructor class Foo2 { function __construct(){} } $a = null; $f = new Foo2($a = 123); var_dump($a); // int(123) what???? // PHP 4 style constructor class Foo3 { function Foo3(){} } $a = null; $f = new Foo3($a = 123); var_dump($a); // int(123) what????
Output for 7.1.0
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Foo3 has a deprecated constructor in /in/IFS07 on line 18 int(123) int(123) int(123)
Output for 7.0.0 - 7.0.14
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Foo3 has a deprecated constructor in /in/IFS07 on line 18 NULL int(123) int(123)
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.6.28
NULL int(123) int(123)
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/IFS07 on line 22
Process exited with code 255.
Output for 4.3.0 - 4.4.9
NULL NULL int(123)