cakephp-2.0 > CakeSchema :: _arrayDiffAssoc()
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_arrayDiffAssoc

line:539 at /lib/Cake/Model/CakeSchema.php
Extended array_diff_assoc noticing change from/to NULL values

Method

(array) protected _arrayDiffAssoc ($array1, $array2)

Parameters

ParameterTypeCommentDefault
$array1 array required Base array
$array2 array required Corresponding array checked for equality

Return

array

Comment

Extended array_diff_assoc noticing change from/to NULL values

It behaves almost the same way as array_diff_assoc except for NULL values: if
one of the values is not NULL - change is detected. It is useful in situation
where one value is strval('') ant other is strval(null) - in string comparing
methods this results as EQUAL, while it is not.

@param array $array1 Base array
@param array $array2 Corresponding array checked for equality
@return array Difference as array with array(keys => values) from input array
where match was not found.