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Posted by Jochem Maas on 03/06/05 20:40
rory walsh wrote:
> Can anyone tell me if there is a difference between double quotes and
> single quotes? Cheers,
> Rory.
>
apart from the visual difference :-)... yes.
with double quotes string interpolation is done. whats that?
run this code to see the difference:
<?php
$varA = 123;
echo ' this is $varA';
echo " this is $varA";
?>
basically use double quotes only when you need it... needing it includes times
when using double quotes saves you having to escape _lots_ of single quotes,
i.e. when it makes code easier to read (JMHO) e.g.:
$str = '\'this\' \'is\' a \'stupidly\' \'quoted\' string';
$str = "'this' 'is' a 'stupidly' 'quoted' string";
---
so now you have at least 2 things to google:
1. string interpolation (+ PHP)
2. string/char escaping (+ PHP)
have fun :-)
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