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1 | <?php |
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2 | |||
3 | use SMW\Scribunto\HookRegistry; |
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4 | |||
5 | /** |
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6 | * @see https://github.com/SemanticMediaWiki/SemanticScribunto/ |
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7 | * |
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8 | * @defgroup SemanticScribunto Semantic Scribunto |
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9 | */ |
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10 | if ( !defined( 'MEDIAWIKI' ) ) { |
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11 | die( 'This file is part of the Semantic Scribunto extension, it is not a valid entry point.' ); |
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12 | } |
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13 | |||
14 | if ( defined( 'SMW_SCRIBUNTO_VERSION' ) ) { |
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15 | // Do not initialize more than once. |
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16 | return 1; |
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17 | } |
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18 | |||
19 | SemanticScribunto::load(); |
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20 | |||
21 | /** |
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22 | * @codeCoverageIgnore |
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23 | */ |
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24 | class SemanticScribunto { |
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PSR1 recommends that each class must be in a namespace of at least one level to avoid collisions.
You can fix this by adding a namespace to your class: namespace YourVendor;
class YourClass { }
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries. ![]() |
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25 | |||
26 | /** |
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27 | * @since 1.0 |
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28 | * |
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29 | * @note It is expected that this function is loaded before LocalSettings.php |
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30 | * to ensure that settings and global functions are available by the time |
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31 | * the extension is activated. |
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32 | */ |
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33 | public static function load() { |
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load uses the super-global variable $GLOBALS which is generally not recommended.
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad
class Router
{
public function generate($path)
{
return $_SERVER['HOST'].$path;
}
}
// Better
class Router
{
private $host;
public function __construct($host)
{
$this->host = $host;
}
public function generate($path)
{
return $this->host.$path;
}
}
class Controller
{
public function myAction(Request $request)
{
// Instead of
$page = isset($_GET['page']) ? intval($_GET['page']) : 1;
// Better (assuming you use the Symfony2 request)
$page = $request->query->get('page', 1);
}
}
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34 | |||
35 | if ( is_readable( __DIR__ . '/vendor/autoload.php' ) ) { |
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36 | include_once __DIR__ . '/vendor/autoload.php'; |
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37 | } |
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38 | |||
39 | // In case extension.json is being used, the the succeeding steps will |
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40 | // be handled by the ExtensionRegistry |
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41 | self::initExtension(); |
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42 | |||
43 | $GLOBALS['wgExtensionFunctions'][] = function() { |
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44 | self::onExtensionFunction(); |
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45 | }; |
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46 | } |
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47 | |||
48 | /** |
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49 | * @since 1.0 |
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50 | */ |
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51 | public static function initExtension() { |
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0 ignored issues
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initExtension uses the super-global variable $GLOBALS which is generally not recommended.
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad
class Router
{
public function generate($path)
{
return $_SERVER['HOST'].$path;
}
}
// Better
class Router
{
private $host;
public function __construct($host)
{
$this->host = $host;
}
public function generate($path)
{
return $this->host.$path;
}
}
class Controller
{
public function myAction(Request $request)
{
// Instead of
$page = isset($_GET['page']) ? intval($_GET['page']) : 1;
// Better (assuming you use the Symfony2 request)
$page = $request->query->get('page', 1);
}
}
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52 | |||
53 | define( 'SMW_SCRIBUNTO_VERSION', '1.0.0-alpha' ); |
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54 | |||
55 | // Register extension info |
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56 | $GLOBALS['wgExtensionCredits']['semantic'][] = array( |
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57 | 'path' => __FILE__, |
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58 | 'name' => 'Semantic Scribunto', |
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59 | 'author' => array( |
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60 | 'James Hong Kong', |
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61 | '[https://www.semantic-mediawiki.org/wiki/User:Oetterer Tobias Oetterer]', |
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62 | ), |
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63 | 'url' => 'https://github.com/SemanticMediaWiki/SemanticScribunto/', |
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64 | 'descriptionmsg' => 'smw-scribunto-desc', |
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65 | 'version' => SMW_SCRIBUNTO_VERSION, |
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66 | 'license-name' => 'GPL-2.0+', |
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67 | ); |
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68 | |||
69 | // MW 1.26+ |
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70 | if ( !function_exists( 'wfGlobalCacheKey' ) ) { |
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71 | function wfGlobalCacheKey( /*...*/ ) { |
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0 ignored issues
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72 | $args = func_get_args(); |
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73 | $key = 'global:' . implode( ':', $args ); |
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74 | return strtr( $key, ' ', '_' ); |
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75 | } |
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76 | } |
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77 | |||
78 | // Register message files |
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79 | $GLOBALS['wgMessagesDirs']['SemanticScribunto'] = __DIR__ . '/i18n'; |
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80 | } |
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81 | |||
82 | /** |
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83 | * @since 1.0 |
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84 | */ |
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85 | public static function checkRequirements() { |
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0 ignored issues
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show
checkRequirements uses the super-global variable $GLOBALS which is generally not recommended.
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad
class Router
{
public function generate($path)
{
return $_SERVER['HOST'].$path;
}
}
// Better
class Router
{
private $host;
public function __construct($host)
{
$this->host = $host;
}
public function generate($path)
{
return $this->host.$path;
}
}
class Controller
{
public function myAction(Request $request)
{
// Instead of
$page = isset($_GET['page']) ? intval($_GET['page']) : 1;
// Better (assuming you use the Symfony2 request)
$page = $request->query->get('page', 1);
}
}
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86 | |||
87 | if ( version_compare( $GLOBALS[ 'wgVersion' ], '1.26', 'lt' ) ) { |
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88 | die( '<b>Error:</b> <a href="https://github.com/SemanticMediaWiki/SemanticScribunto/">Semantic Scribunto</a> is only compatible with MediaWiki 1.26 or above. You need to upgrade MediaWiki first.' ); |
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0 ignored issues
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The method
checkRequirements() contains an exit expression.
An exit expression should only be used in rare cases. For example, if you write a short command line script. In most cases however, using an ![]() |
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89 | } |
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90 | |||
91 | // Using the constant as indicator to avoid class_exists |
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92 | if ( !defined( 'CONTENT_MODEL_SCRIBUNTO' ) ) { |
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93 | die( '<b>Error:</b> <a href="https://github.com/SemanticMediaWiki/SemanticScribunto/">Semantic Scribunto</a> requires <a href="https://www.mediawiki.org/wiki/Extension:Scribunto">Scribunto</a>, please enable or install the extension first.' ); |
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0 ignored issues
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The method
checkRequirements() contains an exit expression.
An exit expression should only be used in rare cases. For example, if you write a short command line script. In most cases however, using an ![]() |
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94 | } |
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95 | |||
96 | if ( !defined( 'SMW_VERSION' ) ) { |
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97 | die( '<b>Error:</b> <a href="https://github.com/SemanticMediaWiki/SemanticScribunto/">Semantic Scribunto</a> requires <a href="https://github.com/SemanticMediaWiki/SemanticMediaWiki/">Semantic MediaWiki</a>, please enable or install the extension first.' ); |
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0 ignored issues
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show
The method
checkRequirements() contains an exit expression.
An exit expression should only be used in rare cases. For example, if you write a short command line script. In most cases however, using an ![]() |
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98 | } |
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99 | } |
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100 | |||
101 | /** |
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102 | * @since 1.0 |
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103 | */ |
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104 | public static function onExtensionFunction() { |
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105 | |||
106 | // Check requirements after LocalSetting.php has been processed |
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107 | self::checkRequirements(); |
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108 | |||
109 | $hookRegistry = new HookRegistry(); |
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110 | $hookRegistry->register(); |
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111 | } |
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112 | |||
113 | /** |
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114 | * @since 1.0 |
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115 | * |
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116 | * @return string|null |
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117 | */ |
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118 | public static function getVersion() { |
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119 | return SMW_SCRIBUNTO_VERSION; |
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120 | } |
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121 | |||
122 | } |
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123 |
The PSR-1: Basic Coding Standard recommends that a file should either introduce new symbols, that is classes, functions, constants or similar, or have side effects. Side effects are anything that executes logic, like for example printing output, changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state of an application. It also promotes a cleaner style of programming and makes your code less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the PSR-1.