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PHP Server Side Scripting Forum

    
strtr versus str replace
which have you found to be faster?
lethal0r




msg:3937689
 12:57 pm on Jun 21, 2009 (gmt 0)

in working on optimizing my website I have read many posts on these 2 functions, and it seems to be split down the middle as to which is faster.

in my case I found that if you need to check for many replacements in one go, then strtr is faster. for example I am doing this kind of thing

$text = strtr($text, array('' => 'e', '' => 'E', '' => 'A'));

plus another 20 replacements or so. I tested both functions 10 times each and strtr was faster 8 times.

I would be interested to hear any one elses experiences here!

 

coopster




msg:3938161
 12:38 pm on Jun 22, 2009 (gmt 0)

I've never measured one against the other for speed/performance but you may also add a regular expression to your tests to see how that performs too. The regular expression engine in the latest PHP5 releases has been quite impressive.

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