PHP - pow

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Metóda - pow

(PHP 4, PHP 5, PHP 7)

The pow() function returns base raised to the power. We can easily replace it by simple multiplication what is more effective for lower exponents.

Procedurálne

• function pow (number $base, number $exp) : number

Parametre

Názov	Dátový typ	Predvolená hodnota	Popis
$base	number		The base.
$exp	number		The exponent.

Mávratovej hodnoty

Vracia: number

Base raised to the power.

Príklady

<?php
for ($i = 0; $i < 10; $i++) {
    $x = rand(3, 15);       // generates a random integer from 3 to 15
    $y = rand(5, 20);
    $output = pow($x, $y);  // x raised to y
    echo ("$x^$y = $output <br />");
}