mirror_php/minify
1
0
Fork 0
mirror of https://github.com/matthiasmullie/minify.git synced 2025-02-21 15:22:48 +01:00
Code Issues Packages Releases Wiki Activity

Simplify regex, we can assume whitespace has been stripped already

Browse Source
This commit is contained in:
Matthias Mullie 2017-01-26 16:39:29 +01:00
parent b48a6d34ff
commit 49061c0e06
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/CSS.php
View File

@ -559,12 +559,12 @@ class CSS extends Minify
// looped because there may be multiple 0s inside 1 group of parentheses
do {
$previous = $content;
$content = preg_replace('/\(([^\(\)]+)\s+[\+\-]\s+0(\s+[^\(\)]+)?\)/', '(\\1\\2)', $content);
$content = preg_replace('/\(([^\(\)]+) [\+\-] 0( [^\(\)]+)?\)/', '(\\1\\2)', $content);
} while ($content !== $previous);
// strip all `0 +` occurrences: calc(0 + 10%) -> calc(10%)
$content = preg_replace('/\(\s*0\s+\+\s+([^\(\)]+)\)/', '(\\1)', $content);
$content = preg_replace('/\(0 \+ ([^\(\)]+)\)/', '(\\1)', $content);
// strip all `0 -` occurrences: calc(0 - 10%) -> calc(-10%)
$content = preg_replace('/\(\s*0\s+\-\s+([^\(\)]+)\)/', '(-\\1)', $content);
$content = preg_replace('/\(0 \- ([^\(\)]+)\)/', '(-\\1)', $content);
// I'm not going to attempt to optimize away `x * 0` instances:
// it's dumb enough code already that it likely won't occur, and it's
// too complex to do right (order of operations would have to be