Compare two arbitrary precision numbers (original) (raw)

bccomp

(PHP 4, PHP 5, PHP 7)

bccomp — Compare two arbitrary precision numbers

Description

bccomp ( string $left_operand , string $right_operand [, int $scale = 0 ] ) : int

Compares the left_operand to theright_operand and returns the result as an integer.

Parameters

left_operand

The left operand, as a string.

right_operand

The right operand, as a string.

scale

The optional scale parameter is used to set the number of digits after the decimal place which will be used in the comparison.

Return Values

Returns 0 if the two operands are equal, 1 if theleft_operand is larger than the right_operand, -1 otherwise.

Examples

Example #1 bccomp() example

<?phpecho bccomp('1', '2') . "\n"; // -1 echo bccomp('1.00001', '1', 3); // 0 echo bccomp('1.00001', '1', 5); // 1?>