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run code in 300+ PHP versions simultaneously
<?php class A{ function A(){ $this->a['s'] = 'hoge'; } function B(){ $s =& $this->a['s']; $this->o($s); var_dump($s); } function o($s){ $s = 'da' . $s; } } $a = new A(); $a->B();
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property A::$a is deprecated in /in/2rv3M on line 7 NULL
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
NULL
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/2rv3M on line 2 string(4) "hoge"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 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 - 5.6.40, 7.3.32 - 7.3.33
string(4) "hoge"

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