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authorAndrey Andreev <narf@bofh.bg>2012-06-13 18:03:06 +0200
committerAndrey Andreev <narf@bofh.bg>2012-06-13 18:03:06 +0200
commitaf915ce01e4e5424a7a4ea67e4e3018a40752a89 (patch)
tree0c3d7e1379a1468ac9c60e0aacca3908315329df /system/database
parent10cbdf091b3cdbc72847dad28a1dce03a92119b6 (diff)
Switch compile_binds() to use substr_replace() instead of str_replace()
Diffstat (limited to 'system/database')
-rw-r--r--system/database/DB_driver.php30
1 files changed, 13 insertions, 17 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 1fece5cf7..d056bdb90 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -602,7 +602,7 @@ abstract class CI_DB_driver {
}
elseif ( ! is_array($binds))
{
- $binds = array($this->escape($binds));
+ $binds = array($binds);
$bind_count = 1;
}
else
@@ -610,18 +610,14 @@ abstract class CI_DB_driver {
// Make sure we're using numeric keys
$binds = array_values($binds);
$bind_count = count($binds);
-
- // Escape the bind values
- for ($i = 0; $i < $bind_count; $i++)
- {
- $binds[$i] = $this->escape($binds[$i]);
- }
}
+ // We'll need the marker length later
+ $ml = strlen($this->bind_marker);
+
// 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))
{
- $ml = strlen($this->bind_marker);
$c = preg_match_all('/'.preg_quote($this->bind_marker).'/i',
str_replace($matches[0],
str_replace($this->bind_marker, str_repeat(' ', $ml), $matches[0]),
@@ -633,18 +629,18 @@ abstract class CI_DB_driver {
{
return $sql;
}
-
- do
- {
- $c--;
- $sql = substr_replace($sql, $binds[$c], $matches[0][$c][1], $ml);
- }
- while ($c !== 0);
}
- elseif (substr_count($sql, $this->bind_marker) === count($binds))
+ elseif (($c = preg_match_all('/'.preg_quote($this->bind_marker).'/i', $sql, $matches, PREG_OFFSET_CAPTURE)) !== $bind_count)
+ {
+ return $sql;
+ }
+
+ do
{
- return str_replace($this->bind_marker, $binds, $sql, $bind_count);
+ $c--;
+ $sql = substr_replace($sql, $this->escape($binds[$c]), $matches[0][$c][1], $ml);
}
+ while ($c !== 0);
return $sql;
}