Introduction
The PHP math functions are used to handle values within the range of integer and float types. In this article I describe some of the PHP math functions. For some other math functions, see:
- Math Function in PHP:Part 1
- Math Functions in PHP:Part 2
- Math Functions in PHP:Part 3
The PHP math decbin function is used to convert a decimal number to binary number.
Syntax
Parameters in
Decbin function
It takes one parameter; it is:
Parameter |
Description |
DecimalNumber |
It specifies decimal number to convert. |
Example of Decbin function
The following example of the Decbin function converts decimal numbers to binary numbers. The decimal numbers "10", "4", "1034" and "9999" are converted to binary numbers.
<?php
$val1=decbin(10);
$val2=decbin(4);
$val3=decbin(1034);
$val4=decbin(9999);
echo "Binary value of <b>10</b> is <b>$val1</b> <br />";
echo "Binary value of <b>4</b> is <b>$val2</b> <br />";
echo "Binary value of <b>1034</b> is <b>$val3</b> <br />";
echo "Binary value of <b>9999</b> is <b>$val4</b> <br />";?>
Output
PHP Dechex() function
The PHP math dechex function is used to convert a decimal number to a hexadecimal number.
Syntax
Parameters in Dechex function
It takes one parameter; it is:
Parameter |
Description |
DecimalNumber |
It specifies decimal number to convert. |
Example of Dechex function
The following sample of the Dechex function converts decimal numbers to a hexadecimal numbers. The decimal numbers "10", "4", "1034" and "9999" are converted to hexadecimal numbers.
<?php
$val1=dechex(10);
$val2=dechex(4);
$val3=dechex(1034);
$val4=dechex(9999);
echo "Hexadecimal value of <b>10</b> is <b>$val1</b> <br />";
echo "Hexadecimal value of <b>4</b> is <b>$val2</b> <br />";
echo "Hexadecimal value of <b>1034</b> is <b>$val3</b> <br />";
echo "Hexadecimal value of <b>9999</b> is <b>$val4</b> <br />";
?>
Output
PHP Decoct() function
The PHP math decoct function is used to converts a decimal number to an octal number.
Syntax
Parameters in Decoct function
It takes one parameter.
Parameter |
Description |
DecimalNumber |
It specifies decimal number to convert. |
Example of Decoct function
The following sample of the Decoct function converts decimal numbers to octal numbers. The decimal numbers "10", "4", "1034" and "9999" are converted to octal numbers.
<?php
$val1=decoct(10);
$val2=decoct(4);
$val3=decoct(1034);
$val4=decoct(9999);
echo "Octal value of <b>10</b> is <b>$val1</b> <br />";
echo "Octal value of <b>4</b> is <b>$val2</b> <br />";
echo "Octal value of <b>1034</b> is <b>$val3</b> <br />";
echo "Octal value of <b>9999</b> is <b>$val4</b> <br />";
?>
Output
PHP Deg2rad() function
The PHP math deg2rad function is used to converts a number in degree to its radian number.
Syntax
Parameters in Deg2rad function
It takes one parameter; it is:
Parameter |
Description |
DegreelNumber |
It specifies decimal degree to convert. |
Example of Der2rad function
The following sample of the Der2rad function converts numbers in degrees to radians. The degrees "10", "4", "1034" and "9999" are converted to radians.
<?php
$val1=deg2rad(10);
$val2=deg2rad(4);
$val3=deg2rad(1034);
$val4=deg2rad(9999);
echo "Radian value of <b>10</b> is <b>$val1</b> <br />";
echo "Radian value of <b>4</b> is <b>$val2</b> <br />";
echo "Radian value of <b>1034</b> is <b>$val3</b> <br />";
echo "Radian value of <b>9999</b> is <b>$val4</b> <br />";
?>
Output