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-rw-r--r--system/helpers/string_helper.php87
1 files changed, 35 insertions, 52 deletions
diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php
index b42799a8e..0c47d440a 100644
--- a/system/helpers/string_helper.php
+++ b/system/helpers/string_helper.php
@@ -73,16 +73,14 @@ if ( ! function_exists('strip_slashes'))
*/
function strip_slashes($str)
{
- if (is_array($str))
+ if ( ! is_array($str))
{
- foreach ($str as $key => $val)
- {
- $str[$key] = strip_slashes($val);
- }
+ return stripslashes($str);
}
- else
+
+ foreach ($str as $key => $val)
{
- $str = stripslashes($str);
+ $str[$key] = strip_slashes($val);
}
return $str;
@@ -173,13 +171,7 @@ if ( ! function_exists('reduce_multiples'))
function reduce_multiples($str, $character = ',', $trim = FALSE)
{
$str = preg_replace('#'.preg_quote($character, '#').'{2,}#', $character, $str);
-
- if ($trim === TRUE)
- {
- return trim($str, $character);
- }
-
- return $str;
+ return ($trim === TRUE) ? trim($str, $character) : $str;
}
}
@@ -198,44 +190,36 @@ if ( ! function_exists('random_string'))
*/
function random_string($type = 'alnum', $len = 8)
{
- switch($type)
+ switch ($type)
{
- case 'basic' : return mt_rand();
- break;
- case 'alnum' :
- case 'numeric' :
- case 'nozero' :
- case 'alpha' :
-
- switch ($type)
- {
- case 'alpha' : $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
- break;
- case 'alnum' : $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
- break;
- case 'numeric' : $pool = '0123456789';
- break;
- case 'nozero' : $pool = '123456789';
- break;
- }
-
- $str = substr(str_shuffle(str_repeat($pool, ceil($len/strlen($pool)))),0,$len);
-
- return $str;
- break;
- case 'unique' :
- case 'md5' :
-
- return md5(uniqid(mt_rand()));
- break;
- case 'encrypt' :
- case 'sha1' :
-
- $CI =& get_instance();
- $CI->load->helper('security');
-
- return do_hash(uniqid(mt_rand(), TRUE), 'sha1');
- break;
+ case 'basic':
+ return mt_rand();
+ case 'alnum':
+ case 'numeric':
+ case 'nozero':
+ case 'alpha':
+ switch ($type)
+ {
+ case 'alpha':
+ $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+ break;
+ case 'alnum':
+ $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+ break;
+ case 'numeric':
+ $pool = '0123456789';
+ break;
+ case 'nozero':
+ $pool = '123456789';
+ break;
+ }
+ return substr(str_shuffle(str_repeat($pool, ceil($len / strlen($pool)))), 0, $len);
+ case 'unique':
+ case 'md5':
+ return md5(uniqid(mt_rand()));
+ case 'encrypt':
+ case 'sha1':
+ return sha1(uniqid(mt_rand(), TRUE));
}
}
}
@@ -255,7 +239,6 @@ if ( ! function_exists('increment_string'))
function increment_string($str, $separator = '_', $first = 1)
{
preg_match('/(.+)'.$separator.'([0-9]+)$/', $str, $match);
-
return isset($match[2]) ? $match[1].$separator.($match[2] + 1) : $str.$separator.$first;
}
}