Skip to content
Create a gist now

Instantly share code, notes, and snippets.

$d = file_get_contents('index.html');
//$d = htmlspecialchars($d);
$d = strtr($d, array('&'=>'&amp;', '<'=>'&lt;', '>'=>'&gt;'));
for ($i =0; $i < 10000; ++$i) {
strtr($d, array('&amp;'=>'&', '&lt;'=>'<', '&gt;'=>'>'));
import re
def unescape_replace(s):
return s.replace('&lt;', '<').replace('&gt;', '>').replace('&amp;', '&')
def unescape_sub(s,
_d = {"&amp;": "&", "&gt;": ">", "&lt;": "<"}
return _sub(lambda m: _d[], s)
import cgi
d = cgi.escape(open('index.html').read())
assert unescape_replace(d) == unescape_sub(d)
import timeit
print "replace", timeit.timeit(lambda: unescape_replace(d), number=N)
print "re.sub", timeit.timeit(lambda: unescape_sub(d), number=N)
$ wget
$ python
replace 2.49956488609
re.sub 7.33878493309
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Something went wrong with that request. Please try again.