I have certain pages on my site that take a long time to load, in the
order of 10 seconds.
Changing BOLTescape to the following code reduced that by roughly a
third:
function BOLTescape($x, $reverse=true, $spaced=false) {
## USED IN VARIOUS PLACES TO PRESERVE SOME OUTPUT AND BLOCK ANY
FURTHER MARKUP PROCESSING. SET REVERSE TO FALSE TO UNESCAPE A STRING
OF TEXT.
static $Token = array();
static $c = 0;
if ($x == '') return;
// if ($x == "\n") return '<>';
if($reverse == false) {
while (preg_match('/~~([0-9]+)\*?~~/', $x) != 0) $x =
preg_replace('/~~([0-9]+)\*?~~/e', '$Token[$1]', $x);
return $x;
}
$Token[++$c] = $x;
if ($spaced) return "~~$c*~~";
return "~~$c~~";
}
$Token is defined as a global variable in other places but never used
as far as I can see.
It is, however, the count($Token) line that causes the majority of the
slowdown, so $Token can remain global if this is preferred.
Background:
On a page that took 7 seconds to load, I added a BOLTstopwatch line to
the BOLTdoMarkupTable function, and found that over 3 seconds was
being spent on the pre - escape markup rule. Using my suggestion, this
was reduced to 0.12 seconds.
I'm going to go find the remaining 2 seconds of loading time and
optimize them away too.
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