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PHP Manual :: deg2rad



decoct || exp || Math Functions || PHP Manual

(PHP 4, PHP 5, PHP 7)

deg2rad Converts the number in degrees to the radian equivalent

Description

float deg2rad ( float $number )

This function converts number from degrees to the radian equivalent.

Parameters

number

Angular value in degrees

Return Values

The radian equivalent of number

Examples

Example #1 deg2rad() example

<?php

echo deg2rad(45); // 0.785398163397
var_dump(deg2rad(45) === M_PI_4); // bool(true)

?>

See Also

  • rad2deg() - Converts the radian number to the equivalent number in degrees



decoct || exp || Math Functions || PHP Manual
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