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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is part of the ZBateson\MailMimeParser project.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license http://opensource.org/licenses/bsd-license.php BSD  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace ZBateson\MailMimeParser\Header\Part;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use ZBateson\MbWrapper\MbWrapper;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use DateTime;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Exception;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Parses a header into a DateTime object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Zaahid Bateson  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class DatePart extends LiteralPart  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var DateTime the parsed date, or null if the date could not be parsed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $date;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Tries parsing the passed token as an RFC 2822 date, and failing that into  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * an RFC 822 date, and failing that, tries to parse it by calling  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * ``` new DateTime($value) ```.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param MbWrapper $charsetConverter  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $token  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct(MbWrapper $charsetConverter, $token)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $dateToken = trim($token);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // parent::__construct converts character encoding -- may cause problems sometimes.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        parent::__construct($charsetConverter, $dateToken);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // Missing "+" in timezone definition. eg: Thu, 13 Mar 2014 15:02:47 0000 (not RFC compliant)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // Won't result in an Exception, but in a valid DateTime in year `0000` - therefore we need to check this first:  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (preg_match('# [0-9]{4}$#', $dateToken)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $dateToken = preg_replace('# ([0-9]{4})$#', ' +$1', $dateToken); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $this->date = new DateTime($dateToken);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        } catch (Exception $e) { | 
            
                            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // @see https://bugs.php.net/bug.php?id=42486  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (!isset($this->date) && preg_match('#UT$#', $dateToken)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            try { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $this->date = new DateTime($dateToken . 'C');  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            } catch (Exception $e) { | 
            
                            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Returns a DateTime object or false if it can't be parsed.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return DateTime  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getDateTime()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->date;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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