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A comment on Supercolliding a PHP array (inserting 65536 elements takes 30 seconds). Parent comment

Re:Supercolliding a PHP array (inserting 65536 elements take... by jbert on Thursday December 29, 2011 @09:34AM (#3403746)
All keys in the list need to be examined, since PHP needs to work out if you're updating an existing key or inserting a new one.
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