PHP bccomp function

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bccomp

(PHP 3, PHP 4, PHP 5)

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

The left operand, as a string.

The right operand, as a string.

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

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