1--TEST-- 2func_get_arg test 3--FILE-- 4<?php 5 6function foo($a) 7{ 8 $a=5; 9 echo func_get_arg(); 10 echo func_get_arg(2,2); 11 echo func_get_arg("hello"); 12 echo func_get_arg(-1); 13 echo func_get_arg(2); 14} 15foo(2); 16echo "\n"; 17?> 18--EXPECTF-- 19Warning: func_get_arg() expects exactly 1 parameter, 0 given in %s on line %d 20 21Warning: func_get_arg() expects exactly 1 parameter, 2 given in %s on line %d 22 23Warning: func_get_arg() expects parameter 1 to be integer, string given in %s on line %d 24 25Warning: func_get_arg(): The argument number should be >= 0 in %s on line %d 26 27Warning: func_get_arg(): Argument 2 not passed to function in %s on line %d 28