Zend_Crypt_Math_BigInteger_Bcmath Class Reference

Public Member Functions
	init ($operand, $base=10)
	Initialise a big integer into an extension specific type.
	add ($left_operand, $right_operand)
	Adds two arbitrary precision numbers.
	subtract ($left_operand, $right_operand)
	compare ($left_operand, $right_operand)
	Compare two big integers and returns result as an integer where 0 means both are identical, 1 that left_operand is larger, or -1 that right_operand is larger.
	divide ($left_operand, $right_operand)
	Divide two big integers and return result or NULL if the denominator is zero.
	modulus ($left_operand, $modulus)
	multiply ($left_operand, $right_operand)
	pow ($left_operand, $right_operand)
	powmod ($left_operand, $right_operand, $modulus)
	sqrt ($operand)
	binaryToInteger ($operand)
	integerToBinary ($operand)
	hexToDecimal ($operand)
	public function integerToBinary($operand) { $return = ''; while(bccomp($operand, '0')) { $return .

Member Function Documentation

add	(		$left_operand,
			$right_operand
	)

Adds two arbitrary precision numbers.

Parameters

string	$left_operand
string	$right_operand

Returns

string

Implements Zend_Crypt_Math_BigInteger_Interface.

binaryToInteger

(

$operand

)

Implements Zend_Crypt_Math_BigInteger_Interface.

compare	(		$left_operand,
			$right_operand
	)

Compare two big integers and returns result as an integer where 0 means both are identical, 1 that left_operand is larger, or -1 that right_operand is larger.

Parameters

string	$left_operand
string	$right_operand

Returns

int

Implements Zend_Crypt_Math_BigInteger_Interface.

divide	(		$left_operand,
			$right_operand
	)

Divide two big integers and return result or NULL if the denominator is zero.

Parameters

string	$left_operand
string	$right_operand

Returns

string|null

Implements Zend_Crypt_Math_BigInteger_Interface.

hexToDecimal

(

$operand

)

public function integerToBinary($operand) { $return = ''; while(bccomp($operand, '0')) { $return .

= chr(bcmod($operand, '256')); $operand = bcdiv($operand, '256'); } return $return; }

Implements Zend_Crypt_Math_BigInteger_Interface.

init	(		$operand,
			$base = 10
	)

Initialise a big integer into an extension specific type.

This is not applicable to BCMath.

Parameters

string	$operand
int	$base

Returns

string

Implements Zend_Crypt_Math_BigInteger_Interface.

integerToBinary

(

$operand

)

Implements Zend_Crypt_Math_BigInteger_Interface.

modulus	(		$left_operand,
			$modulus
	)

Parameters

string	$left_operand
string	$right_operand

Returns

string

Implements Zend_Crypt_Math_BigInteger_Interface.

multiply	(		$left_operand,
			$right_operand
	)

Parameters

string	$left_operand
string	$right_operand

Returns

string

Implements Zend_Crypt_Math_BigInteger_Interface.

pow	(		$left_operand,
			$right_operand
	)

Parameters

string	$left_operand
string	$right_operand

Returns

string

Implements Zend_Crypt_Math_BigInteger_Interface.

powmod	(		$left_operand,
			$right_operand,
			$modulus
	)

Parameters

string	$left_operand
string	$right_operand

Returns

string

Implements Zend_Crypt_Math_BigInteger_Interface.

sqrt

(

$operand

)

Parameters

string	$left_operand
string	$right_operand

Returns

string

Implements Zend_Crypt_Math_BigInteger_Interface.

subtract	(		$left_operand,
			$right_operand
	)

Parameters

string	$left_operand
string	$right_operand

Returns

string

Implements Zend_Crypt_Math_BigInteger_Interface.