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<?php function foo(int $bar) {} var_dump((int) (NAN)); // cast var_dump(chr(NAN)); // internal function expecting Z_PARAM_LONG var_dump(foo(NAN)); // userland function expecting int
based on GEGPg
Output for 8.0.0 - 8.0.3
int(0) Fatal error: Uncaught TypeError: chr(): Argument #1 ($codepoint) must be of type int, float given in /in/PHBQK:6 Stack trace: #0 /in/PHBQK(6): chr(NAN) #1 {main} thrown in /in/PHBQK on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.16
int(0) Warning: chr() expects parameter 1 to be int, float given in /in/PHBQK on line 6 string(1) "" Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be of the type int, float given, called in /in/PHBQK on line 7 and defined in /in/PHBQK:3 Stack trace: #0 /in/PHBQK(7): foo(NAN) #1 {main} thrown in /in/PHBQK on line 3
Process exited with code 255.
Output for 7.3.0 - 7.3.28
int(0) string(1) "" Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be of the type int, float given, called in /in/PHBQK on line 7 and defined in /in/PHBQK:3 Stack trace: #0 /in/PHBQK(7): foo(NAN) #1 {main} thrown in /in/PHBQK on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
int(0) string(1) "" Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be of the type integer, float given, called in /in/PHBQK on line 7 and defined in /in/PHBQK:3 Stack trace: #0 /in/PHBQK(7): foo(NAN) #1 {main} thrown in /in/PHBQK on line 3
Process exited with code 255.
Output for 5.6.0 - 5.6.30
int(-9223372036854775808) string(1) "" Catchable fatal error: Argument 1 passed to foo() must be an instance of int, double given, called in /in/PHBQK on line 7 and defined in /in/PHBQK on line 3
Process exited with code 255.