PHP Tutorial - PHP sinh() Function






Definition

The sinh() function returns the hyperbolic sine of a number, which is equal to (exp(number) - exp(-number))/2).

Syntax

PHP sinh() Function has the following syntax.

sinh(number);

Parameter

ParameterDescription
numberRequired. Specifies a number

Return

Item Value
Return ValueThe hyperbolic sine of number
Return TypeFloat




Example

Return the hyperbolic sine of different numbers:


<?php
echo(sinh(3) . "\n");
echo(sinh(-3) . "\n");
echo(sinh(0) . "\n");
echo(sinh(M_PI) . "\n");
echo(sinh(M_PI_2));
?>

The code above generates the following result.