Array str_replace

Does str_replace with an array only work on a row by row basis?
And when using it is there a way to say only if match the whole contents and not a partial match on the array element.
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GaryAsked:
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Ray PaseurConnect With a Mentor Commented:
There is likely no observable performance difference.  I would choose the way that makes the most sense programatically.  Anything that numbers in the thousands is easy to overlook in terms of elapsed execution time.  If you want to post some sample test data I'd be glad to show you how I might try the replacements.
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Ray PaseurCommented:
"With an array" is ambiguous.  The arguments can be strings or arrays.
http://php.net/manual/en/function.str-replace.php

The simplest rules are all you get with str_replace() so if you want greater specificity your best choice is preg_replace()
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GaryAuthor Commented:
It's thousands of rows in an array and each row has about 20 elements.
I'm thinking it might be easier to just load the file into a string and do a mass replace on everything I need replaceing and then parse it into an array.
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Ray PaseurCommented:
Thanks for the points, ~Ray
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GaryAuthor Commented:
I would choose the way that makes the most sense programatically
Doing a mass replace (using the delimiter to identify the whole field) is a lot easier than trying to process on an element by element and row by row basis - just thinking about coding that made the mass replace the best route (which takes one line).
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