Variable Function Names : Dynamic Function « Functions « PHP

1. PHP
2. Functions
3. Dynamic Function

Variable Function Names

 
<?php
function is_divisible_by_1($num) {
    echo "<p>Of course $num is divisible by 1, everything is!</p>";
}

function is_divisible_by_2($num) {
    if ($num % 2 == 0) {
        echo "<p>$num is divisible by 2.  That means it is even.</p>";
    }
}

function is_divisible_by_3($num) {
    if ($num % 3 == 0) {
        echo "<p>$num is divisible by 3.</p>";
    }
}

function is_divisible_by_4($num) {
    if ($num % 4 == 0) {
        echo "<p>$num is divisible by 4.  It is double-even!</p>";
    }
}

function is_divisible_by_5($num) {
    if ($num % 5 == 0) {
        echo "<p>$num is divisible by 5.  It ends in a 0 or a 5.</p>";
    }
}

for ($i = 5; $i > 0; $i--) {
    $var = 'is_divisible_by_' . $i;
    $var(2000);
}
?>
  
  

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