func_num_args --
Returns the number of arguments passed to the function
Syntax
int func_num_args ( void )
Returns the number of arguments passed into the current
user-defined function. func_num_args() will
generate a warning if called from outside of a user-defined function.
This function cannot be used directly as a function parameter. Instead,
its result may be assigned to a variable, which can then be passed to
the function.
<?php function foo() { $numargs = func_num_args(); echo "Number of arguments: $numargs\n"; }
foo(1, 2, 3); // Prints 'Number of arguments: 3' ?>
func_num_args() may be used in conjunction
with func_get_arg() and
func_get_args() to allow user-defined
functions to accept variable-length argument lists.
Php func num args Function syntax tag
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Php func num args syntax tutorial
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