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Articles → PHP → Functions in PHP

Functions in PHP






















Software requirement









Technical knowledge





What are functions in PHP?





Syntax


function function_name(parameters separated by comma) {
 // Code
}



Example




<?php
function Message()
{
    echo ("Hello");
}

Message();
?>





Function with arguments




<?php
function Message($name)
{
    echo ("Hello " . $name);
}

Message("Gyan");
?>





Default argument in PHP




<?php
function Message($name = "Gyan")
{
    echo ("Hello " . $name);
}

Message();
?>





Return values in PHP




<?php
function Sum($num1, $num2)
{
    return $num1 + $num2;
}

echo (Sum(1, 2));
?>





Posted By  -  Karan Gupta
 
Posted On  -  Saturday, November 1, 2014

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