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<?php class Filter { // PHP 5: filter is a constructor // PHP 7: filter is a constructor and E_DEPRECATED is raised // PHP 8: filter is a normal method and is not a constructor; no E_DEPRECATED is raised function filter($a) {} } $filter = new ReflectionMethod('Filter', 'filter'); // PHP 5: bool(true) // PHP 7: bool(true) // PHP 8: bool(false) var_dump($filter->isConstructor());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(false)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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; Filter has a deprecated constructor in /in/g1IjY on line 3 bool(true)
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.3.32 - 7.3.33
bool(true)

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162.44 ms | 402 KiB | 179 Q