On 3/31/2011 10:45 AM, Nicholas Cooper wrote:
Good day,
I have three arrays A, B and C. Anyone of them might not have the 'id' key
set which will give the Notice "Undefined index: id".
I just wanted to know what the correct approach to this problem would be;
without making the code overly complicated to read by introducing a number
of "if isset" statements.
if ($arrayA['id'] == $arrayB['id'] || $arrayC['id'] == $arrayB['id']) {
}
I have notices switched off, but I want to know the right way to do this.
There's probably a number of different right ways to solve this, how would
you do it?
Best Regards,
Nicholas
Check out array_intersect_assoc() or one of the similar functions.
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