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-remove-phpquery/phpQuery/phpQuery/Zend/Loader.php at master · cmprecycle/-remove-phpquery · GitHub
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-remove-phpquery
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phpQuery
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phpQuery
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Zend
/
Loader.php
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-remove-phpquery
/
phpQuery
/
phpQuery
/
Zend
/
Loader.php
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Loader
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Loader.php 10454 2008-07-26 06:25:51Z ralph $
*/
/**
* Static methods for loading classes and files.
*
* @category Zend
* @package Zend_Loader
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class
Zend_Loader
{
/**
* Loads a class from a PHP file. The filename must be formatted
* as "$class.php".
*
* If $dirs is a string or an array, it will search the directories
* in the order supplied, and attempt to load the first matching file.
*
* If $dirs is null, it will split the class name at underscores to
* generate a path hierarchy (e.g., "Zend_Example_Class" will map
* to "Zend/Example/Class.php").
*
* If the file was not found in the $dirs, or if no $dirs were specified,
* it will attempt to load it from PHP's include_path.
*
* @param string $class - The full class name of a Zend component.
* @param string|array $dirs - OPTIONAL Either a path or an array of paths
* to search.
* @return void
* @throws Zend_Exception
*/
public
static
function
loadClass
(
$
class
,
$
dirs
=
null
)
{
if
(
class_exists
(
$
class
,
false
) ||
interface_exists
(
$
class
,
false
)) {
return
;
}
if
((
null
!==
$
dirs
) && !
is_string
(
$
dirs
) && !
is_array
(
$
dirs
)) {
require_once
'
Zend/Exception.php
'
;
throw
new
Zend_Exception
(
'
Directory argument must be a string or an array
'
);
}
// autodiscover the path from the class name
$
file
=
str_replace
(
'
_
'
,
DIRECTORY_SEPARATOR
,
$
class
) .
'
.php
'
;
if
(!
empty
(
$
dirs
)) {
// use the autodiscovered path
$
dirPath
=
dirname
(
$
file
);
if
(
is_string
(
$
dirs
)) {
$
dirs
=
explode
(
PATH_SEPARATOR
,
$
dirs
);
}
foreach
(
$
dirs
as
$
key
=>
$
dir
) {
if
(
$
dir
==
'
.
'
) {
$
dirs
[
$
key
] =
$
dirPath
;
}
else
{
$
dir
=
rtrim
(
$
dir
,
'\\
/
'
);
$
dirs
[
$
key
] =
$
dir
.
DIRECTORY_SEPARATOR
.
$
dirPath
;
}
}
$
file
=
basename
(
$
file
);
self
::
loadFile
(
$
file
,
$
dirs
,
true
);
}
else
{
self
::
_securityCheck
(
$
file
);
include_once
$
file
;
}
if
(!
class_exists
(
$
class
,
false
) && !
interface_exists
(
$
class
,
false
)) {
require_once
'
Zend/Exception.php
'
;
throw
new
Zend_Exception
(
"
File
\"
$
file
\"
does not exist or class
\"
$
class
\"
was not found in the file
"
);
}
}
/**
* Loads a PHP file. This is a wrapper for PHP's include() function.
*
* $filename must be the complete filename, including any
* extension such as ".php". Note that a security check is performed that
* does not permit extended characters in the filename. This method is
* intended for loading Zend Framework files.
*
* If $dirs is a string or an array, it will search the directories
* in the order supplied, and attempt to load the first matching file.
*
* If the file was not found in the $dirs, or if no $dirs were specified,
* it will attempt to load it from PHP's include_path.
*
* If $once is TRUE, it will use include_once() instead of include().
*
* @param string $filename
* @param string|array $dirs - OPTIONAL either a path or array of paths
* to search.
* @param boolean $once
* @return boolean
* @throws Zend_Exception
*/
public
static
function
loadFile
(
$
filename
,
$
dirs
=
null
,
$
once
=
false
)
{
self
::
_securityCheck
(
$
filename
);
/**
* Search in provided directories, as well as include_path
*/
$
incPath
=
false
;
if
(!
empty
(
$
dirs
) && (
is_array
(
$
dirs
) ||
is_string
(
$
dirs
))) {
if
(
is_array
(
$
dirs
)) {
$
dirs
=
implode
(
PATH_SEPARATOR
,
$
dirs
);
}
$
incPath
=
get_include_path
();
set_include_path
(
$
dirs
.
PATH_SEPARATOR
.
$
incPath
);
}
/**
* Try finding for the plain filename in the include_path.
*/
if
(
$
once
) {
include_once
$
filename
;
}
else
{
include
$
filename
;
}
/**
* If searching in directories, reset include_path
*/
if
(
$
incPath
) {
set_include_path
(
$
incPath
);
}
return
true
;
}
/**
* Returns TRUE if the $filename is readable, or FALSE otherwise.
* This function uses the PHP include_path, where PHP's is_readable()
* does not.
*
* @param string $filename
* @return boolean
*/
public
static
function
isReadable
(
$
filename
)
{
if
(!
$
fh
= @
fopen
(
$
filename
,
'
r
'
,
true
)) {
return
false
;
}
@
fclose
(
$
fh
);
return
true
;
}
/**
* spl_autoload() suitable implementation for supporting class autoloading.
*
* Attach to spl_autoload() using the following:
* <code>
* spl_autoload_register(array('Zend_Loader', 'autoload'));
* </code>
*
* @param string $class
* @return string|false Class name on success; false on failure
*/
public
static
function
autoload
(
$
class
)
{
try
{
self
::
loadClass
(
$
class
);
return
$
class
;
}
catch
(
Exception
$
e
) {
return
false
;
}
}
/**
* Register {@link autoload()} with spl_autoload()
*
* @param string $class (optional)
* @param boolean $enabled (optional)
* @return void
* @throws Zend_Exception if spl_autoload() is not found
* or if the specified class does not have an autoload() method.
*/
public
static
function
registerAutoload
(
$
class
=
'
Zend_Loader
'
,
$
enabled
=
true
)
{
if
(!
function_exists
(
'
spl_autoload_register
'
)) {
require_once
'
Zend/Exception.php
'
;
throw
new
Zend_Exception
(
'
spl_autoload does not exist in this PHP installation
'
);
}
self
::
loadClass
(
$
class
);
$
methods
=
get_class_methods
(
$
class
);
if
(!
in_array
(
'
autoload
'
, (
array
)
$
methods
)) {
require_once
'
Zend/Exception.php
'
;
throw
new
Zend_Exception
(
"
The class
\"
$
class
\"
does not have an autoload() method
"
);
}
if
(
$
enabled
===
true
) {
spl_autoload_register
(
array
(
$
class
,
'
autoload
'
));
}
else
{
spl_autoload_unregister
(
array
(
$
class
,
'
autoload
'
));
}
}
/**
* Ensure that filename does not contain exploits
*
* @param string $filename
* @return void
* @throws Zend_Exception
*/
protected
static
function
_securityCheck
(
$
filename
)
{
/**
* Security check
*/
if
(
preg_match
(
'
/[^a-z0-9
\\
/
\\\\
_.-]/i
'
,
$
filename
)) {
require_once
'
Zend/Exception.php
'
;
throw
new
Zend_Exception
(
'
Security check: Illegal character in filename
'
);
}
}
/**
* Attempt to include() the file.
*
* include() is not prefixed with the @ operator because if
* the file is loaded and contains a parse error, execution
* will halt silently and this is difficult to debug.
*
* Always set display_errors = Off on production servers!
*
* @param string $filespec
* @param boolean $once
* @return boolean
* @deprecated Since 1.5.0; use loadFile() instead
*/
protected
static
function
_includeFile
(
$
filespec
,
$
once
=
false
)
{
if
(
$
once
) {
return
include_once
$
filespec
;
}
else
{
return
include
$
filespec
;
}
}
}
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