Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 37 | class Jaxon |
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| 38 | {
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| 39 | use \Jaxon\Utils\Traits\Config; |
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| 40 | use \Jaxon\Utils\Traits\Manager; |
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| 41 | use \Jaxon\Utils\Traits\Translator; |
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| 42 | use \Jaxon\Utils\Traits\Paginator; |
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| 43 | use \Jaxon\Utils\Traits\Template; |
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| 44 | |||
| 45 | use Traits\Autoload; |
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| 46 | use Traits\Config; |
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| 47 | use Traits\Plugin; |
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| 48 | use Traits\Upload; |
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| 49 | use Traits\Sentry; |
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| 50 | |||
| 51 | /** |
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| 52 | * Package version number |
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| 53 | * |
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| 54 | * @var string |
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| 55 | */ |
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| 56 | private $sVersion = 'Jaxon 2.1.6'; |
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| 57 | |||
| 58 | /* |
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| 59 | * Processing events |
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| 60 | */ |
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| 61 | const PROCESSING_EVENT = 'ProcessingEvent'; |
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| 62 | const PROCESSING_EVENT_BEFORE = 'BeforeProcessing'; |
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| 63 | const PROCESSING_EVENT_AFTER = 'AfterProcessing'; |
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| 64 | const PROCESSING_EVENT_INVALID = 'InvalidRequest'; |
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| 65 | const PROCESSING_EVENT_ERROR = 'ProcessingError'; |
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| 66 | |||
| 67 | /* |
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| 68 | * Request methods |
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| 69 | */ |
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| 70 | const METHOD_UNKNOWN = 0; |
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| 71 | const METHOD_GET = 1; |
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| 72 | const METHOD_POST = 2; |
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| 73 | |||
| 74 | /* |
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| 75 | * Request plugins |
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| 76 | */ |
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| 77 | // For objects who's methods will be callable from the browser. |
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| 78 | const CALLABLE_OBJECT = 'CallableObject'; |
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| 79 | // For functions available at global scope, or from an instance of an object. |
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| 80 | const USER_FUNCTION = 'UserFunction'; |
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| 81 | // For browser events. |
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| 82 | const BROWSER_EVENT = 'BrowserEvent'; |
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| 83 | // For event handlers. |
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| 84 | const EVENT_HANDLER = 'EventHandler'; |
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| 85 | // For uploaded files. |
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| 86 | const FILE_UPLOAD = 'FileUpload'; |
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| 87 | |||
| 88 | /* |
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| 89 | * Request parameters |
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| 90 | */ |
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| 91 | // Specifies that the parameter will consist of an array of form values. |
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| 92 | const FORM_VALUES = 'FormValues'; |
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| 93 | // Specifies that the parameter will contain the value of an input control. |
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| 94 | const INPUT_VALUE = 'InputValue'; |
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| 95 | // Specifies that the parameter will consist of a boolean value of a checkbox. |
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| 96 | const CHECKED_VALUE = 'CheckedValue'; |
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| 97 | // Specifies that the parameter value will be the innerHTML value of the element. |
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| 98 | const ELEMENT_INNERHTML = 'ElementInnerHTML'; |
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| 99 | // Specifies that the parameter will be a quoted value (string). |
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| 100 | const QUOTED_VALUE = 'QuotedValue'; |
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| 101 | // Specifies that the parameter will be a boolean value (true or false). |
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| 102 | const BOOL_VALUE = 'BoolValue'; |
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| 103 | // Specifies that the parameter will be a numeric, non-quoted value. |
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| 104 | const NUMERIC_VALUE = 'NumericValue'; |
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| 105 | // Specifies that the parameter will be a non-quoted value |
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| 106 | // (evaluated by the browsers javascript engine at run time). |
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| 107 | const JS_VALUE = 'UnquotedValue'; |
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| 108 | // Specifies that the parameter will be an integer used to generate pagination links. |
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| 109 | const PAGE_NUMBER = 'PageNumber'; |
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| 110 | |||
| 111 | /** |
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| 112 | * Processing event handlers that have been assigned during this run of the script |
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| 113 | * |
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| 114 | * @var array |
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| 115 | */ |
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| 116 | private $aProcessingEvents; |
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| 117 | |||
| 118 | public function __construct() |
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| 123 | |||
| 124 | /** |
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| 125 | * The current Jaxon version |
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| 126 | * |
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| 127 | * @return string |
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| 128 | */ |
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| 129 | public function getVersion() |
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| 133 | |||
| 134 | /** |
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| 135 | * Register request handlers, including functions, callable objects and events. |
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| 136 | * |
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| 137 | * New plugins can be added that support additional registration methods and request processors. |
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| 138 | * |
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| 139 | * @param string $sType The type of request handler being registered |
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| 140 | * Options include: |
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| 141 | * - Jaxon::USER_FUNCTION: a function declared at global scope |
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| 142 | * - Jaxon::CALLABLE_OBJECT: an object who's methods are to be registered |
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| 143 | * - Jaxon::BROWSER_EVENT: an event which will cause zero or more event handlers to be called |
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| 144 | * - Jaxon::EVENT_HANDLER: register an event handler function. |
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| 145 | * @param mixed $sFunction | $objObject | $sEvent |
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| 146 | * When registering a function, this is the name of the function |
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| 147 | * When registering a callable object, this is the object being registered |
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| 148 | * When registering an event or event handler, this is the name of the event |
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| 149 | * @param mixed $sIncludeFile | $aCallOptions | $sEventHandler |
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| 150 | * When registering a function, this is the (optional) include file |
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| 151 | * When registering a callable object, this is an (optional) array |
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| 152 | * of call options for the functions being registered |
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| 153 | * When registering an event handler, this is the name of the function |
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| 154 | * |
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| 155 | * @return mixed |
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| 156 | */ |
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| 157 | public function register($sType, $xArgs) |
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| 181 | |||
| 182 | /** |
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| 183 | * Add a path to the class directories |
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| 184 | * |
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| 185 | * @param string $sDirectory The path to the directory |
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| 186 | * @param string|null $sNamespace The associated namespace |
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| 187 | * @param string $sSeparator The character to use as separator in javascript class names |
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| 188 | * @param array $aProtected The functions that are not to be exported |
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| 189 | * |
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| 190 | * @return boolean |
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| 191 | */ |
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| 192 | public function addClassDir($sDirectory, $sNamespace = null, $sSeparator = '.', array $aProtected = array()) |
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| 196 | |||
| 197 | /** |
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| 198 | * Register callable objects from all class directories |
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| 199 | * |
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| 200 | * @param array $aOptions The options to register the classes with |
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| 201 | * |
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| 202 | * @return void |
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| 203 | */ |
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| 204 | public function registerClasses(array $aOptions = array()) |
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| 208 | |||
| 209 | /** |
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| 210 | * Register a callable object from one of the class directories |
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| 211 | * |
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| 212 | * The class name can be dot, slash or anti-slash separated. |
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| 213 | * If the $bGetObject parameter is set to true, the registered instance of the class is returned. |
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| 214 | * |
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| 215 | * @param string $sClassName The name of the class to register |
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| 216 | * @param array $aOptions The options to register the class with |
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| 217 | * @param boolean $bGetObject Return the registered instance of the class |
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| 218 | * |
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| 219 | * @return void |
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| 220 | */ |
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| 221 | public function registerClass($sClassName, array $aOptions = array(), $bGetObject = false) |
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| 226 | |||
| 227 | /** |
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| 228 | * Returns the Jaxon Javascript header and wrapper code to be printed into the page |
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| 229 | * |
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| 230 | * The javascript code returned by this function is dependent on the plugins |
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| 231 | * that are included and the functions and classes that are registered. |
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| 232 | * |
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| 233 | * @param boolean $bIncludeJs Also get the JS files |
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| 234 | * @param boolean $bIncludeCss Also get the CSS files |
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| 235 | * |
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| 236 | * @return string |
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| 237 | */ |
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| 238 | public function getScript($bIncludeJs = false, $bIncludeCss = false) |
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| 256 | |||
| 257 | /** |
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| 258 | * Print the jaxon Javascript header and wrapper code into your page |
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| 259 | * |
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| 260 | * The javascript code returned by this function is dependent on the plugins |
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| 261 | * that are included and the functions and classes that are registered. |
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| 262 | * |
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| 263 | * @param boolean $bIncludeJs Also print the JS files |
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| 264 | * @param boolean $bIncludeCss Also print the CSS files |
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| 265 | * |
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| 266 | * @return void |
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| 267 | */ |
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| 268 | public function printScript($bIncludeJs = false, $bIncludeCss = false) |
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| 272 | |||
| 273 | /** |
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| 274 | * Return the javascript header code and file includes |
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| 275 | * |
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| 276 | * @return string |
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| 277 | */ |
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| 278 | public function getJs() |
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| 282 | |||
| 283 | /** |
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| 284 | * Return the CSS header code and file includes |
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| 285 | * |
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| 286 | * @return string |
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| 287 | */ |
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| 288 | public function getCss() |
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| 292 | |||
| 293 | /** |
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| 294 | * Determine if a call is a jaxon request or a page load request |
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| 295 | * |
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| 296 | * @return boolean |
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| 297 | */ |
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| 298 | public function canProcessRequest() |
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| 302 | |||
| 303 | /** |
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| 304 | * If this is a jaxon request, call the requested PHP function, build the response and send it back to the browser |
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| 305 | * |
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| 306 | * This is the main server side engine for Jaxon. |
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| 307 | * It handles all the incoming requests, including the firing of events and handling of the response. |
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| 308 | * If your RequestURI is the same as your web page, then this function should be called before ANY |
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| 309 | * headers or HTML is output from your script. |
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| 310 | * |
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| 311 | * This function may exit after the request is processed, if the 'core.process.exit' option is set to true. |
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| 312 | * |
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| 313 | * @return void |
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| 314 | * |
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| 315 | * @see <Jaxon\Jaxon->canProcessRequest> |
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| 316 | */ |
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| 317 | public function processRequest() |
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| 414 | |||
| 415 | /** |
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| 416 | * Send the response output back to the browser |
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| 417 | * |
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| 418 | * @return void |
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| 419 | */ |
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| 420 | public function sendResponse() |
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| 424 | |||
| 425 | /** |
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| 426 | * Send the HTTP headers back to the browser |
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| 427 | * |
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| 428 | * @return void |
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| 429 | */ |
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| 430 | public function sendHeaders() |
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| 434 | |||
| 435 | /** |
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| 436 | * Get the response output |
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| 437 | * |
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| 438 | * @return string |
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| 439 | */ |
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| 440 | public function getOutput() |
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| 444 | |||
| 445 | /** |
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| 446 | * Get the DI container |
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| 447 | * |
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| 448 | * @return Jaxon\Utils\Container |
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| 449 | */ |
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| 450 | public function di() |
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| 454 | } |
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| 455 |