... in function in php code example
Example 1: execute function php
function functionName() {
//code to be executed;
}
functionName();
Example 2: php functions
<?php
/*
How to format functions
1. Camel Case myFunction()
2.Lower case with underscore my_function()
3. Pascal Cae - MyFunction() usally used with classes
*/
function simpleFunction(){
echo 'Hello John';
}
//Run the function like so
simpleFunction();
//function with param
function sayHello($name = " you out there!"){
echo "<br>and<br> Hello $name<br>";
}
sayHello('John');
sayHello();
//Reurn Value
function addNumbers($num1, $num2){
return $num1 + $num2;
}
echo addNumbers(2,3);
// By Reference
$myNum = 10;
function addFive($num){
$num += 5;
}
function addTen(&$num) {
$num += 10;
}
addFive($myNum);
echo "<br>Value: $myNum<br>";
addTen($myNum);
echo "Value: $myNum<br>";
?>