cakephp-2.0 > Set :: diff()
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diff

line:763 at /lib/Cake/Utility/Set.php
Computes the difference between a Set and an array, two Sets, or two arrays

Method

(array) public diff ($val1, $val2 = null)

Parameters

ParameterTypeCommentDefault
$val1 mixed required First value
$val2 mixed optional Second value null

Return

array

Comment

Computes the difference between a Set and an array, two Sets, or two arrays

@param mixed $val1 First value
@param mixed $val2 Second value
@return array Returns the key => value pairs that are not common in $val1 and $val2
The expression for this function is ($val1 - $val2) + ($val2 - ($val1 - $val2))
@link http://book.cakephp.org/2.0/en/core-utility-libraries/set.html#Set::diff