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<?php |
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/** |
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* Admin Page Framework |
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* |
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* http://en.michaeluno.jp/admin-page-framework/ |
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* Copyright (c) 2013-2016 Michael Uno; Licensed MIT |
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* |
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*/ |
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/** |
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* Provides methods to handle setting notices. |
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* |
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* @package AdminPageFramework |
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* @subpackage Form |
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* @since 3.7.0 |
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* @extends AdminPageFramework_FrameworkUtility |
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* @internal |
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*/ |
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class AdminPageFramework_Form___SubmitNotice extends AdminPageFramework_FrameworkUtility { |
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/** |
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* Stores form submit notifications. |
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* |
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* At the script termination, these will be saved as a transient in the database. |
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*/ |
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static private $_aNotices = array(); |
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public $sTransientKey; |
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/** |
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* Sets up properties. |
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*/ |
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public function __construct() { |
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$this->sTransientKey = $this->_getTransientKey(); |
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} |
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/** |
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* @remark Up to 40 chars |
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* @remark Not using the page-now value nor page slug because the user may be redirected to a different page. |
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* @return string |
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*/ |
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private function _getTransientKey() { |
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return 'apf_ntc_' . get_current_user_id(); |
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} |
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/** |
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* Checks if a submit notice has been set in the current screen (not in the database). |
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* |
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* This is used in the internal validation callback method to decide whether the system error or update notice should be added or not. |
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* If this method yields true, the framework discards the system message and displays the user set notification message. |
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* |
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* @param string $sType If empty, the method will check if a message exists in all types. Otherwise, it checks the existence of a message of the specified type. |
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* @return boolean True if a setting notice is set; otherwise, false. |
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*/ |
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public function hasNotice( $sType='' ) { |
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if ( ! $sType ) { |
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return ( boolean ) count( self::$_aNotices ); |
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} |
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// Check if there is a message of the type. |
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foreach( self::$_aNotices as $_aNotice ) { |
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$_sClassAttribute = $this->getElement( |
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$_aNotice, |
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array( |
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'aAttributes', |
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'class' |
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), |
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'' |
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); |
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if ( $_sClassAttribute === $sType ) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Sets the given message to be displayed in the next page load. |
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* |
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* This is used to inform users about the submitted input data, such as "Updated successfully." or "Problem occurred." etc. |
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* and normally used in validation callback methods. |
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* |
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* <h4>Example</h4> |
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* ` |
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* if ( ! $bVerified ) { |
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* $this->setFieldErrors( $aErrors ); |
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* $this->setSettingNotice( 'There was an error in your input.' ); |
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* return $aOldPageOptions; |
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* } |
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* ` |
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* @since 3.7.0 |
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* @access public |
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* @param string $sMessage the text message to be displayed. |
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* @param string $sType (optional) the type of the message, either "error" or "updated" is used. |
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* @param array $asAttributes (optional) the tag attribute array applied to the message container HTML element. If a string is given, it is used as the ID attribute value. |
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* @param boolean $bOverride (optional) If true, only one message will be shown in the next page load. false: do not override when there is a message of the same id. true: override the previous one. |
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* @return void |
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*/ |
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public function set( $sMessage, $sType='error', $asAttributes=array(), $bOverride=true ) { |
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// If the array is empty, schedule the task of saving the array at shutdown. |
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if ( empty( self::$_aNotices ) ) { |
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add_action( 'shutdown', array( $this, '_replyToSaveNotices' ) ); // the method is defined in the model class. |
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} |
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$_sID = md5( trim( $sMessage ) ); |
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// If the override is false and a message is already set, do not add. |
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if ( ! $bOverride && isset( self::$_aNotices[ $_sID ] ) ) { |
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return; |
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} |
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// If the override is true, reset the notice array. |
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if ( $bOverride ) { |
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self::$_aNotices = array(); |
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} |
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$_aAttributes = $this->getAsArray( $asAttributes ); |
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if ( is_string( $asAttributes ) && ! empty( $asAttributes ) ) { |
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$_aAttributes[ 'id' ] = $asAttributes; |
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} |
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self::$_aNotices[ $_sID ] = array( |
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'sMessage' => $sMessage, |
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'aAttributes' => $_aAttributes + array( |
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'class' => $sType, |
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'id' => 'form_submit_notice_' . $_sID, |
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), |
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); |
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} |
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/** |
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* Saves the notification array set via the setSettingNotice() method. |
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* |
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* @since 3.0.4 |
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* @sine 3.7.0 Moved from `AdminPageFramework_Factory_Model`. |
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* @internal |
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* @callback action shutdown |
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* @return void |
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*/ |
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public function _replyToSaveNotices() { |
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if ( empty( self::$_aNotices ) ) { |
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return; |
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} |
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$_bResult = $this->setTransient( |
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$this->sTransientKey, |
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self::$_aNotices |
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); |
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} |
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/** |
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* Outputs the stored submit notices in the database. |
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* @return void |
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*/ |
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public function render() { |
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// This will load scripts for the fade-in effect. |
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new AdminPageFramework_AdminNotice( '' ); |
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// Retrieve the notifications set in a transient. |
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$_aNotices = $this->_getNotices(); |
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if ( false === $_aNotices ) { |
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return; |
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} |
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// By setting false to the 'settings-notice' key, it's possible to disable the notifications set with the framework. |
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if ( isset( $_GET[ 'settings-notice' ] ) && ! $_GET[ 'settings-notice' ] ) { |
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return; |
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} |
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$this->_printNotices( $_aNotices ); |
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} |
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/** |
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* @since 3.7.8 |
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* @return array|boolean |
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*/ |
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private function _getNotices() { |
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if ( isset( self::$_aNoticeCaches[ $this->sTransientKey ] ) ) { |
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return self::$_aNoticeCaches[ $this->sTransientKey ]; |
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} |
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$_abNotices = $this->getTransient( $this->sTransientKey ); |
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if ( false !== $_abNotices ) { |
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$this->deleteTransient( $this->sTransientKey ); |
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} |
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self::$_aNoticeCaches[ $this->sTransientKey ] = $_abNotices; |
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return self::$_aNoticeCaches[ $this->sTransientKey ]; |
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} |
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static private $_aNoticeCaches = array(); |
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/** |
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* Displays settings notices. |
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* @since 3.5.3 |
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* @since 3.7.0 Moved from `AdminPageFramework_Factory_View`. Renamed from `_printSettingNotices()`. |
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* @internal |
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* @return void |
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*/ |
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private function _printNotices( $aNotices ) { |
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$_aPeventDuplicates = array(); |
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foreach ( array_filter( ( array ) $aNotices, 'is_array' ) as $_aNotice ) { |
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$_sNotificationKey = md5( serialize( $_aNotice ) ); |
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if ( isset( $_aPeventDuplicates[ $_sNotificationKey ] ) ) { |
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continue; |
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} |
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$_aPeventDuplicates[ $_sNotificationKey ] = true; |
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new AdminPageFramework_AdminNotice( |
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$this->getElement( $_aNotice, 'sMessage' ), |
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$this->getElement( $_aNotice, 'aAttributes' ) |
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); |
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} |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.