PHP 7.0.6 Released

Functions

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User Contributed Notes

m_ilyas at outlook dot com

1 month ago


\\Here is simplest php function example
<?php
    function swap($a,$b){
        print nl2br("Before swapping\n");
        print nl2br("a = $a and b = $b \n\n\n");
        $a = $a + $b; // 30 = 10 + 20
        $b = $a - $b;
        $a = $a - $b;
        print nl2br("After swapping\n");
        print nl2br("a = $a and b = $b \n");
    }
    swap(10,20);
    
?>

abubakarwaryah786 at gmail dot com

3 months ago


if the value of the argument within the function is changed, it does not get changed outside of the function.

$a=10;
$b=13;
function add($a,$b){
    echo "The Sum of $a+$b= ", $a+$b, "<br />";
    $a=5;
    $b=10;
    echo "The sum is=" ,$a+$b , "<br />" ;    }
add($a,$b);
echo $a+$b;