Some times I want to add some methods or common attributes to all
Cake's objects. We know that most of the classes are extended from
class Object. But there are not something like AppObject as a AppModel
style API for us to extend objects. I dug deep into Cake's core
source. Finally I found Cake left a trap for us to hack into Cake's
core without hacking its source codes.
There are 3 steps:
1. open app/webroot/index.php
2. locate the line:
"if (!include(CORE_PATH . 'cake' . DS . 'bootstrap.php')) {"
and add followed codes before that line:
//hack by RainChen
//@ Thu May 15 23:53:55 CST 2008
//@ load extended class Object
if ($bootstrap = true) {
require CORE_PATH . 'cake' . DS . 'basics.php';
$TIME_START = getMicrotime();
require CORE_PATH . 'cake' . DS . 'config' . DS . 'paths.php';
if(file_exists(APP.'object.php'))
{
// auto update CakeObject class file
if(!file_exists(APP.'cake_object.php') ||
filemtime(CAKE_CORE_INCLUDE_PATH.DS.LIBS.'object.php') >
filemtime(APP.'cake_object.php'))
{
file_put_contents(APP.'cake_object.php',
str_replace('class Object
{', 'class CakeObject {',
file_get_contents(CAKE_CORE_INCLUDE_PATH.DS.LIBS.'object.php')));
}
require_once(APP.'cake_object.php');
require_once(APP.'object.php');
}
else
require LIBS . 'object.php';
require LIBS . 'inflector.php';
require LIBS . 'configure.php';
}
//hack end
3. save followed codes to app/object.php :
<?php
class Object extends CakeObject
{
// add or override anything you need
}
?>
That's it !
It works even you update files in cake/*.
Any ways, this is just for fun or special purpose.(require Cake
version >= 1.2.0.6311 beta )
I used this trick to log objects that Cake used per request.For
example:
Array
(
[1] => object
[2] => configure
[3] => cache
[4] => fileengine
[5] => file
[6] => folder
[7] => app
[8] => folder
[9] => folder
[10] => folder
[11] => folder
[12] => folder
[13] => folder
[14] => folder
[15] => folder
[16] => folder
[17] => dispatcher
[18] => router
[19] => inflector
[20] => folder
[21] => folder
[22] => pagescontroller
[23] => folder
[24] => appcomponent
[25] => security
[26] => sessioncomponent
[27] => requesthandlercomponent
[28] => authextcomponent
[29] => i18n
[30] => l10n
[31] => folder
[32] => appview
[33] => folder
[34] => folder
[35] => htmlhelper
[36] => formhelper
[37] => sessionhelper
)
PS: classes not extended from Object:
ShellDispatcher,CakeLog,Sanitize,JsHelperObject,XmlManager,TestManager
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