(PHP 4, PHP 5, PHP 7)
bccomp — Compare two arbitrary precision numbers
$left_operand
, string $right_operand
[, int $scale = 0
] ) : int
Compares the left_operand to the
right_operand and returns the result as an
integer.
left_operandThe left operand, as a string.
right_operandThe 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.
Returns 0 if the two operands are equal, 1 if the
left_operand is larger than the
right_operand, -1 otherwise.
Example #1 bccomp() example
<?php
echo bccomp('1', '2') . "\n"; // -1
echo bccomp('1.00001', '1', 3); // 0
echo bccomp('1.00001', '1', 5); // 1
?>