deg2rad() – Convert Degrees to Radians in PHP
The article explains PHP’s deg2rad() function, detailing its signature, parameter, return value, and provides example code that demonstrates converting 45 degrees to radians and verifying the result against the constant M_PI_4 in PHP.
The PHP function deg2rad converts an angle measured in degrees to the equivalent radian value.
Signature: float deg2rad(float $number) Parameter: $number – the angle in degrees.
Return value: The radian value corresponding to the given degree.
Example:
<?php
echo deg2rad(45);
var_dump(deg2rad(45) === M_PI_4);
?>Output:
// 0.78539816339
// bool(true)Signed-in readers can open the original source through BestHub's protected redirect.
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