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<?php
function foo()
{
$numargs = func_num_args();
echo "Number of arguments: $numargs \n";
if ($numargs >= 2) {
echo "Second argument is: " . func_get_arg(1) . "\n";
}
$arg_list = func_get_args();
for ($i = 0; $i < $numargs; $i++) {
echo "Argument $i is: " . $arg_list[$i] . "\n";
}
}
foo(1, 2, 3);
?>
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<?php
// if your url is http://link?var=value
if (isset($_GET['var'])) // works with request
$var = $_GET['var'];
echo $var;
// output value
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// functions require 'function' keyword
// separate the parameters with a comma
function addFunction($num1, $num2) {
$sum = $num1 + $num2;
echo "Sum of the two numbers is : $sum";
}
addFunction(1, 2); // echoes: Sum of the two numbers is : 3