there is also this 32,000 limitation which isn't the case when not using variable inside quotes.
you can try it out yourself with something like shawn's $snippet = substr("$string",1,5)
grow the $string to more than 32,000 and you see it's not possible to handle it anymore.
but if used as $snippet = substr($string,1,5)
it still works.
am I right or not?
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