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<?php namespace { function test($a, $b, $c) { var_dump(call_user_func('func_num_args')); } test(1, 2, 3); } namespace Foo { function test($a, $b, $c) { var_dump(call_user_func('func_num_args')); } test(1, 2, 3); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
int(3) Fatal error: Uncaught Error: Cannot call func_num_args() dynamically in /in/inP5v:12 Stack trace: #0 [internal function]: func_num_args() #1 /in/inP5v(12): call_user_func('func_num_args') #2 /in/inP5v(14): Foo\test(1, 2, 3) #3 {main} thrown in /in/inP5v on line 12
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
int(3) Warning: Cannot call func_num_args() dynamically in /in/inP5v on line 12 int(-1)
Output for 7.0.0 - 7.0.33
int(3) int(1)
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
int(1) int(1)
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