PHP Show Differences

I have two strings:

$stringA = "1,2,3,4";
$stringB = "1,2,4,5";

I want to pick out the values from $stringB that are not in $stri开发者_运维问答ngA.

How can I do that?

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A combination of explode and array_diff should get you there.

array_diff(explode(',', $stringB), explode(',', $stringA));

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http://pear.php.net/package/Text_Diff/

That should help you out ...

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explode() both arrays and use array_diff() to compute differential array.