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<?php $boolean = 1; $boolean = (boolean) $boolean; function dump_boolean(bool $var) { var_dump($var); } dump_boolean($boolean);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
bool(true)
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Catchable fatal error: Argument 1 passed to dump_boolean() must be an instance of bool, boolean given, called in /in/egb59 on line 11 and defined in /in/egb59 on line 6
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Argument 1 passed to dump_boolean() must be an object of class bool, called in /in/egb59 on line 11 and defined in /in/egb59 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Argument 1 must be an object of class bool in /in/egb59 on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/egb59 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/egb59 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/egb59 on line 6
Process exited with code 255.

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