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authorRick Ellis <rick.ellis@ellislab.com>2007-06-09 03:13:36 +0200
committerRick Ellis <rick.ellis@ellislab.com>2007-06-09 03:13:36 +0200
commit8c501b3ba6d1aa0c18e749550f0ee3435a9272d6 (patch)
tree4ee0d36ae4eb1f48e29c130c5a64069059249555 /system/libraries/Loader.php
parent0efe4cd7dc1a8c8801eab4009d3ea38c200681bf (diff)
Diffstat (limited to 'system/libraries/Loader.php')
-rw-r--r--system/libraries/Loader.php33
1 files changed, 23 insertions, 10 deletions
diff --git a/system/libraries/Loader.php b/system/libraries/Loader.php
index ff5ffbfe4..abe3a1c37 100644
--- a/system/libraries/Loader.php
+++ b/system/libraries/Loader.php
@@ -681,17 +681,30 @@ class CI_Loader {
// We'll test for both lowercase and capitalized versions of the file name
foreach (array(ucfirst($class), strtolower($class)) as $class)
{
- // Is this a class extension request?
- if (file_exists(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT))
+ $subclass = APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT;
+
+ // Is this a class extension request?
+ if (file_exists($subclass))
{
- if ( ! file_exists(BASEPATH.'libraries/'.ucfirst($class).EXT))
+ $baseclass = BASEPATH.'libraries/'.ucfirst($class).EXT;
+
+ if ( ! file_exists($baseclass))
{
log_message('error', "Unable to load the requested class: ".$class);
show_error("Unable to load the requested class: ".$class);
}
+
+ // Safety: Was the class already loaded by a previous call?
+ if (in_array($subclass, $this->_ci_classes))
+ {
+ $is_duplicate = TRUE;
+ log_message('debug', $class." class already loaded. Second attempt ignored.");
+ return;
+ }
- include(BASEPATH.'libraries/'.ucfirst($class).EXT);
- include(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT);
+ include($baseclass);
+ include($subclass);
+ $this->_ci_classes[] = $subclass;
return $this->_ci_init_class($class, config_item('subclass_prefix'), $params);
}
@@ -701,24 +714,24 @@ class CI_Loader {
for ($i = 1; $i < 3; $i++)
{
$path = ($i % 2) ? APPPATH : BASEPATH;
- $fp = $path.'libraries/'.$class.EXT;
+ $filepath = $path.'libraries/'.$class.EXT;
// Does the file exist? No? Bummer...
- if ( ! file_exists($fp))
+ if ( ! file_exists($filepath))
{
continue;
}
// Safety: Was the class already loaded by a previous call?
- if (in_array($fp, $this->_ci_classes))
+ if (in_array($filepath, $this->_ci_classes))
{
$is_duplicate = TRUE;
log_message('debug', $class." class already loaded. Second attempt ignored.");
return;
}
- include($fp);
- $this->_ci_classes[] = $fp;
+ include($filepath);
+ $this->_ci_classes[] = $filepath;
return $this->_ci_init_class($class, '', $params);
}
} // END FOREACH