From e47425844e84d54c659280c04f450a3526b4e09d Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Thu, 25 Oct 2012 13:25:13 +0300
Subject: Add missing delimiter in preg_quote() occurences (fix #1929)

---
 system/database/DB_driver.php        | 10 +++++-----
 system/database/DB_query_builder.php |  2 +-
 system/helpers/url_helper.php        |  2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

(limited to 'system')

diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 7f1434fc1..e8286aaa1 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -640,7 +640,7 @@ abstract class CI_DB_driver {
 		// Make sure not to replace a chunk inside a string that happens to match the bind marker
 		if ($c = preg_match_all("/'[^']*'/i", $sql, $matches))
 		{
-			$c = preg_match_all('/'.preg_quote($this->bind_marker).'/i',
+			$c = preg_match_all('/'.preg_quote($this->bind_marker, '/').'/i',
 				str_replace($matches[0],
 					str_replace($this->bind_marker, str_repeat(' ', $ml), $matches[0]),
 					$sql, $c),
@@ -652,7 +652,7 @@ abstract class CI_DB_driver {
 				return $sql;
 			}
 		}
-		elseif (($c = preg_match_all('/'.preg_quote($this->bind_marker).'/i', $sql, $matches, PREG_OFFSET_CAPTURE)) !== $bind_count)
+		elseif (($c = preg_match_all('/'.preg_quote($this->bind_marker, '/').'/i', $sql, $matches, PREG_OFFSET_CAPTURE)) !== $bind_count)
 		{
 			return $sql;
 		}
@@ -1007,13 +1007,13 @@ abstract class CI_DB_driver {
 			if (is_array($this->_escape_char))
 			{
 				$preg_ec = array(
-						preg_quote($this->_escape_char[0]), preg_quote($this->_escape_char[1]),
+						preg_quote($this->_escape_char[0], '/'), preg_quote($this->_escape_char[1], '/'),
 						$this->_escape_char[0], $this->_escape_char[1]
 						);
 			}
 			else
 			{
-				$preg_ec[0] = $preg_ec[1] = preg_quote($this->_escape_char);
+				$preg_ec[0] = $preg_ec[1] = preg_quote($this->_escape_char, '/');
 				$preg_ec[2] = $preg_ec[3] = $this->_escape_char;
 			}
 		}
@@ -1172,7 +1172,7 @@ abstract class CI_DB_driver {
 		if (empty($_operators))
 		{
 			$_les = ($this->_like_escape_str !== '')
-				? '\s+'.preg_quote(trim(sprintf($this->_like_escape_str, $this->_like_escape_chr)))
+				? '\s+'.preg_quote(trim(sprintf($this->_like_escape_str, $this->_like_escape_chr)), '/')
 				: '';
 			$_operators = array(
 				'\s*(?:<|>|!)?=\s*',		// =, <=, >=, !=
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index 5ea9643fe..ed00510ac 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -2077,7 +2077,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
 				for ($ci = 0, $cc = count($conditions); $ci < $cc; $ci++)
 				{
 					if (($op = $this->_get_operator($conditions[$ci])) === FALSE
-						OR ! preg_match('/^(\(?)(.*)('.preg_quote($op).')\s*(.*(?<!\)))?(\)?)$/i', $conditions[$ci], $matches))
+						OR ! preg_match('/^(\(?)(.*)('.preg_quote($op, '/').')\s*(.*(?<!\)))?(\)?)$/i', $conditions[$ci], $matches))
 					{
 						continue;
 					}
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
index de5bdec31..dc77246dc 100644
--- a/system/helpers/url_helper.php
+++ b/system/helpers/url_helper.php
@@ -489,7 +489,7 @@ if ( ! function_exists('url_title'))
 			$separator = '_';
 		}
 
-		$q_separator = preg_quote($separator);
+		$q_separator = preg_quote($separator, '#');
 
 		$trans = array(
 				'&.+?;'			=> '',
-- 
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