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func_get_arg(PHP 4, PHP 5, PHP 7) func_get_arg — Return an item from the argument list DescriptionGets the specified argument from a user-defined function's argument list. This function may be used in conjunction with func_get_args() and func_num_args() to allow user-defined functions to accept variable-length argument lists. Parameters
Return Values
Returns the specified argument, or Changelog
Errors/Exceptions
Generates a warning if called from outside of a user-defined function, or
if Examples
Example #1 func_get_arg() example
<?php The above example will output: Number of arguments: 3 Second argument is: 2
Example #2 func_get_arg() example before and after PHP 5.3
test.php Output previous to PHP 5.3: 'Second arg' Output in PHP 5.3 and later: Warning: func_get_arg(): Called from the global scope - no function context in /home/torben/Desktop/code/ml/fga.inc on line 3 false
Example #3 func_get_arg() example of byref and byval arguments
<?php Output of the above example in PHP 7: As passed : 'bar' After change : 'baz' As passed : 'bar' After change : 'baz' Output of the above example in PHP 5: As passed : 'bar' After change : 'bar' As passed : 'bar' After change : 'baz' Notes
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