cakephp-1.3 > Validation :: decimal()
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decimal

line:458 at /cake/libs/validation.php
Checks that a value is a valid decimal. If $places is null, the $check is allowed to be a scientific float If no decimal point is found a false will be returned. Both the sign and exponent are optional.

Method

(boolean) decimal ($check, $places = null, $regex = null)

Parameters

ParameterTypeCommentDefault
$check integer required The value the test for decimal
$places integer optional if set $check value must have exactly $places after the decimal point null
$regex string optional If a custom regular expression is used this is the only validation that will occur. null

Return

boolean

Comment

Checks that a value is a valid decimal. If $places is null, the $check is allowed to be a scientific float
If no decimal point is found a false will be returned. Both the sign and exponent are optional.

@param integer $check The value the test for decimal
@param integer $places if set $check value must have exactly $places after the decimal point
@param string $regex If a custom regular expression is used this is the only validation that will occur.
@return boolean Success
@access public