On 4/10/07, Rolan Yang <[EMAIL PROTECTED]> wrote:
Hrm.. I just ran a real world test and the results were drastically
different.
With single quotes, it took about 3.4 seconds to complete.
With double quotes, 22 seconds on average.
I wouldn't have believed it, but I got similar results. However, it
simply just isn't the presence of the double quotes, but the actual
interpolation taking place in the string.
this:
$test="foostring".$myvar; //double quotes
was just as fast as:
$test='foostring'.$myvar; //single quotes
So, any dreams you may have had of just writing a sed script to
replace all double quotes with single quotes have been crushed. :-)
Tom
http://www.liphp.org
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