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<?php class Foo { } var_dump(strlen(new Foo()));
Output for 8.1.18 - 8.1.28, 8.2.5 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: strlen(): Argument #1 ($string) must be of type string, Foo given in /in/S4pQU:3 Stack trace: #0 {main} thrown in /in/S4pQU on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.17, 8.2.0 - 8.2.4
Fatal error: Uncaught TypeError: strlen(): Argument #1 ($str) must be of type string, Foo given in /in/S4pQU:3 Stack trace: #0 {main} thrown in /in/S4pQU on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: strlen() expects parameter 1 to be string, object given in /in/S4pQU on line 3 NULL
Output for 5.2.0 - 5.2.17
Catchable fatal error: Object of class Foo could not be converted to string in /in/S4pQU on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Notice: Object of class Foo to string conversion in /in/S4pQU on line 3 int(6)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Object to string conversion in /in/S4pQU on line 3 int(6)

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