What is PHP Function?
A function is a block of statements that does one specific job. It can take values as input (parameters), do some work and give back a result. You write it once and call it whenever you need.
<?php
function add($a, $b) {
return $a + $b;
}
echo add(5, 3);
?>Output:
Tutorials Class - Output Window
8
PHP has many built-in functions (like strlen()) and you can also create your own with the function keyword. Learn more in PHP Functions.
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