3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B {function __construct(){}} class C {function C(){}} $a = null; new A($a = 123); var_dump($a); $b = null; $b = new B($b = 456); var_dump($b); $c = null; new C($c = 789); var_dump($c); echo 'wat';
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(123) object(B)#1 (0) { } int(789) wat
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; C has a deprecated constructor in /in/PNLSR on line 5 int(123) object(B)#1 (0) { } int(789) wat
Output for 7.0.0 - 7.0.20
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; C has a deprecated constructor in /in/PNLSR on line 5 NULL object(B)#1 (0) { } int(789) wat
Output for 5.0.0 - 5.0.5, 5.1.0 - 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
NULL object(B)#1 (0) { } int(789) wat
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
NULL object(b)(0) { } int(789) wat
preferences:
209.03 ms | 402 KiB | 356 Q