3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a {function __construct($s) { $this->s=$s;} function __toString(){return $this->s;}} $a = new a('aze'); echo hash_equals($a, $a);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property a::$s is deprecated in /in/5MFmo on line 2 Fatal error: Uncaught TypeError: hash_equals(): Argument #1 ($known_string) must be of type string, a given in /in/5MFmo:6 Stack trace: #0 /in/5MFmo(6): hash_equals(Object(SensitiveParameterValue), Object(SensitiveParameterValue)) #1 {main} thrown in /in/5MFmo on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught TypeError: hash_equals(): Argument #1 ($known_string) must be of type string, a given in /in/5MFmo:6 Stack trace: #0 /in/5MFmo(6): hash_equals(Object(a), Object(a)) #1 {main} thrown in /in/5MFmo on line 6
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: hash_equals(): Expected known_string to be a string, object given in /in/5MFmo on line 6
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
Fatal error: Call to undefined function hash_equals() in /in/5MFmo on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hash_equals() in /in/5MFmo on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: hash_equals() in /in/5MFmo on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hash_equals() in /in/5MFmo on line 6

preferences:
287.7 ms | 401 KiB | 459 Q