PHP - gmp_init() Function

Definition and Usage

The gmp_init() function creates a GMP number.

Description

The gmp_init() function creates a GMP number from a given integer or string.

Syntax

gmp_init ( mixed $number [, int $base = 0 ] ) : GMP

Parameters

Sr.No	Parameter & Description
1	number The number can be a integer or a string value.If string it can be hexadecimal, decimal,octal or binary.
2	base The base can take value from 2 to 36. The default value for base is 0 and the actual base is determined by the starting two characters.If the string starts with 0x or 0X, it is considered as hexadecimal, if 0 than octal otherwise decimal.

Sr.No

Parameter & Description

number

The number can be a integer or a string value.If string it can be hexadecimal, decimal,octal or binary.

base

The base can take value from 2 to 36. The default value for base is 0 and the actual base is determined by the starting two characters.If the string starts with 0x or 0X, it is considered as hexadecimal, if 0 than octal otherwise decimal.

Return Values

PHP gmp_init() function returns a GMP number from the given number or string value.

PHP Version

This function will work from PHP Version greater than 5.0.0.

Example 1

Working of gmp_init −

<?php
   $a = gmp_init(19456);
   echo "The GMP number is : ".$a;
?>

This will produce following result −

The GMP number is : 19456

Example 2

Working of gmp_init −

<?php
   $a = gmp_init('0xb83');
   echo "The GMP number is : ".$a;
?>

This will produce following result −

The GMP number is : 2947

Example 3

Working of gmp_init −

<?php
   $a = gmp_init('0111', 2);
   echo "The GMP number is : ".$a;
?>

This will produce following result −

The GMP number is : 7

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