funkce php
function functionName() {
//code to be executed;
}
jak definovat funkci v php
<?php
function writeMsg() {
echo "Hello world!";
}
writeMsg(); //call the function
?>
parametry proměnné php
<?php
function some_func($a, $b) {
for ($i = 0; $i < func_num_args(); ++$i) {
$param = func_get_arg($i);
echo "Received parameter $param.\n";
}
}
function some_other_func($a, $b) {
$param = func_get_args();
$param = join(", ", $param);
echo "Received parameters: $param.\n";
}
some_func(1,2,3,4,5,6,7,8);
some_other_func(1,2,3,4,5,6,7,8);
?>
parametry funkcí php
// functions require 'function' keyword
// separate the parameters with a comma
function addFunction($num1, $num2) {
$sum = $num1 + $num2;
echo "Sum of the two numbers is : $sum";
}
addFunction(1, 2); // echoes: Sum of the two numbers is : 3