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<?php function do_a_thing() { var_dump( func_get_arg( 4 ) ); } do_a_thing();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ValueError: func_get_arg(): Argument #1 ($position) must be less than the number of the arguments passed to the currently executed function in /in/LQFup:4 Stack trace: #0 /in/LQFup(4): func_get_arg(4) #1 /in/LQFup(7): do_a_thing() #2 {main} thrown in /in/LQFup on line 4
Process exited with code 255.
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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: func_get_arg(): Argument 4 not passed to function in /in/LQFup on line 4 bool(false)

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197.88 ms | 403 KiB | 255 Q