bcsub (PHP 3, PHP 4, PHP 5)
bcsub --
Subtract one arbitrary precision number from another
Description string
bcsub ( string left_operand, string right_operand [, int scale] )
Subtracts the right_operand from the
left_operand and returns the result in a
string. The optional scale parameter is
used to set the number of digits after the decimal place in the
result.
Examples Example 1. bcsub() example
<?php = '1.234' ; $b = '5' ; bcsub ( $a , $b ); // -3 echo bcsub ( $a , $b , 4 ); // -3.7660 ?>
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