1--TEST-- 2func_get_arg() invalid usage 3--FILE-- 4<?php 5 6var_dump(func_get_arg(1,2,3)); 7var_dump(func_get_arg(1)); 8var_dump(func_get_arg()); 9 10function bar() { 11 var_dump(func_get_arg(1)); 12} 13 14function foo() { 15 bar(func_get_arg(1)); 16} 17 18foo(1,2); 19 20echo "Done\n"; 21?> 22--EXPECTF-- 23Warning: func_get_arg() expects exactly 1 parameter, 3 given in %s on line %d 24NULL 25 26Warning: func_get_arg(): Called from the global scope - no function context in %s on line %d 27bool(false) 28 29Warning: func_get_arg() expects exactly 1 parameter, 0 given in %s on line %d 30NULL 31 32Warning: func_get_arg(): Argument 1 not passed to function in %s on line %d 33bool(false) 34Done 35
