More complicated but faster method

vlakoff · vlakoff · commit 62a5ee3e430b · 2012-09-04T23:12:49.000+02:00
Also added a comment to explain the reason for such a complicated method
diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php
@@ -89,7 +89,8 @@ function character_limiter($str, $n = 500, $end_char = '&#8230;')
 			return $str;
 		}
 
-		$str = preg_replace('/\s+/', ' ', $str);
+		// a bit complicated, but faster than preg_replace with \s+
+		$str = preg_replace('/ {2,}/', ' ', str_replace(array("\r", "\n", "\t", "\x0B", "\x0C"), ' ', $str));
 
 		if (strlen($str) <= $n)
 		{

Original file line number	Diff line number	Diff line change
`@@ -89,7 +89,8 @@ function character_limiter($str, $n = 500, $end_char = '…')`
`89`	`89`	`return $str;`
`90`	`90`	`}`
`91`	`91`
`92`		`- $str = preg_replace('/\s+/', ' ', $str);`
	`92`	`+ // a bit complicated, but faster than preg_replace with \s+`
	`93`	`+ $str = preg_replace('/ {2,}/', ' ', str_replace(array("\r", "\n", "\t", "\x0B", "\x0C"), ' ', $str));`
`93`	`94`
`94`	`95`	`if (strlen($str) <= $n)`
`95`	`96`	`{`