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-rw-r--r--system/core/Common.php5
-rw-r--r--system/core/Input.php2
-rw-r--r--system/core/Security.php2
-rw-r--r--system/libraries/Encryption.php10
-rw-r--r--system/libraries/Form_validation.php2
-rw-r--r--system/libraries/User_agent.php2
6 files changed, 11 insertions, 12 deletions
diff --git a/system/core/Common.php b/system/core/Common.php
index 9e23a4ea5..a9b8828e3 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -778,11 +778,9 @@ if ( ! function_exists('_stringify_attributes'))
*/
function _stringify_attributes($attributes, $js = FALSE)
{
- $atts = NULL;
-
if (empty($attributes))
{
- return $atts;
+ return NULL;
}
if (is_string($attributes))
@@ -792,6 +790,7 @@ if ( ! function_exists('_stringify_attributes'))
$attributes = (array) $attributes;
+ $atts = '';
foreach ($attributes as $key => $val)
{
$atts .= ($js) ? $key.'='.$val.',' : ' '.$key.'="'.$val.'"';
diff --git a/system/core/Input.php b/system/core/Input.php
index 3fb4121eb..c3a0a9094 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -565,7 +565,7 @@ class CI_Input {
$which = FILTER_FLAG_IPV6;
break;
default:
- $which = NULL;
+ $which = 0;
break;
}
diff --git a/system/core/Security.php b/system/core/Security.php
index f6b0407f8..d1d4f8432 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -193,7 +193,7 @@ class CI_Security {
$this->_csrf_set_hash();
}
- $this->charset = strtoupper(config_item('charset'));
+ $this->charset = strtoupper((string) config_item('charset'));
log_message('info', 'Security Class Initialized');
}
diff --git a/system/libraries/Encryption.php b/system/libraries/Encryption.php
index db6b30d46..933f6f232 100644
--- a/system/libraries/Encryption.php
+++ b/system/libraries/Encryption.php
@@ -476,7 +476,7 @@ class CI_Encryption {
$iv = ($iv_size = openssl_cipher_iv_length($params['handle']))
? $this->create_key($iv_size)
- : NULL;
+ : '';
$data = openssl_encrypt(
$data,
@@ -585,7 +585,7 @@ class CI_Encryption {
}
else
{
- $iv = NULL;
+ $iv = '';
}
if (mcrypt_generic_init($params['handle'], $params['key'], $iv) < 0)
@@ -632,7 +632,7 @@ class CI_Encryption {
}
else
{
- $iv = NULL;
+ $iv = '';
}
return empty($params['handle'])
@@ -910,8 +910,8 @@ class CI_Encryption {
protected static function strlen($str)
{
return (self::$func_overload)
- ? mb_strlen($str, '8bit')
- : strlen($str);
+ ? mb_strlen((string) $str, '8bit')
+ : strlen((string) $str);
}
// --------------------------------------------------------------------
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 9d976984e..1b7bbb96c 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -1056,7 +1056,7 @@ class CI_Form_validation {
{
return is_array($str)
? (empty($str) === FALSE)
- : (trim($str) !== '');
+ : (trim((string) $str) !== '');
}
// --------------------------------------------------------------------
diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
index a42975b35..c144db7a8 100644
--- a/system/libraries/User_agent.php
+++ b/system/libraries/User_agent.php
@@ -498,7 +498,7 @@ class CI_User_agent {
else
{
$referer_host = @parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST);
- $own_host = parse_url(config_item('base_url'), PHP_URL_HOST);
+ $own_host = parse_url((string) config_item('base_url'), PHP_URL_HOST);
$this->referer = ($referer_host && $referer_host !== $own_host);
}