Hi guys, I've been debugging a zf app for the best part of the weekend and a
couple of questions.
Through debugging I noticed Zend_Loader was checking paths with the ZendX
prefix. The app wasn't isn't using any ZendX components. All
Zend_Application resources are being checked with the ZendX prefix first
*then* the Zend prefix. This should be other way round?
On investigating I found:
(1.11.11) lines 415 - 427 - Zend_Application_Bootstrap_BootstrapAbstract
public function getPluginLoader()
{
if ($this->_pluginLoader === null) {
$options = array(
'Zend_Application_Resource' => 'Zend/Application/Resource',
'ZendX_Application_Resource' => 'ZendX/Application/Resource'
);
$this->_pluginLoader = new Zend_Loader_PluginLoader($options);
}
return $this->_pluginLoader;
}
I'm guessing it's LIFO.
To test it I overide that method in my app bootstrap and reordered the
options:
$options = array(
'ZendX_Application_Resource' => 'ZendX/Application/Resource',
'Zend_Application_Resource' => 'Zend/Application/Resource'
);
with that, everything works fine with less file reads, for example
Zend_Loader::isReadable() was being called ~64 times before and ~56 times
after the change (in one sample). That doesn't seem like a lot but then
::isReadable() actually loops through the include_path and calls
is_readable() a number of times for each path until it finds the file. So,
on the same sample counting the is_readable() calls inside
Zend_Loader::isReadable yeilded ~269 calls before and 222 after.
I didn't do any benchmarks so I don't really know how much of performance
hit this is, I can't imagine it's good and besides it was easy just to
override the plugin loader and save a few cycles.
Before I file this as a bug, is this a bug or expected behaviour? It seems
senseless for ZendX paths to checked for files, i thought ZendX was opt-in.
Thanks in advance.
To test the behaviour:
zf create project .
vi ./library/ZendX/Application/Resource/Frontcontroller.php
<?php
class ZendX_Application_Resource_Frontcontroller extends
Zend_Application_Resource_ResourceAbstract
{
public function init()
{
throw new LogicException("ZendX FrontController Application Resource
says \"I'm first!\"");
}
}
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