Créer classe d'envoi mail avec pièces jointes

<?php
	public function sending()
	{
		if (empty($this->to) and empty($this->cc) and empty($this->bcc)) throw new DomainException("No valid recipient");
		$attached = false;
		if (!empty($this->files)) {
			$attached = true;
			$attachements = [];
		}
		
		// 'Boundary' fixing
		$boundary = md5(uniqid(time()));
		
		// Assembly of addresses
		if (!empty($this->to)) $toLine = implode(', ', $this->to);
		
		// headers definition
		$headers = [];
		$headers[] = 'From: ' . $this->fromLine;
		if ($this->replyAddress) $headers[] = 'Reply-to: ' . $this->addressConcat($this->replyAddress, $this->replyName);
		if (!empty($this->cc)) $headers[] = 'Cc: ' . implode(', ', $this->cc );
		if (!empty($this->bcc)) $headers[] = 'Bcc: ' . implode(', ', $this->bcc );
		//$headers[] = "X-Priority: 1 ";
		$headers[] = 'MIME-Version: 1.0';
		$contentType = $attached ? 'mixed' : 'alternative';
		$headers[] = "Content-Type: multipart/$contentType; boundary=\"$boundary\""; // Définition du type et de la boundary
		$header = implode(self::CRLF, $headers) . self::CRLF . self::CRLF;
		
		// Message body
		if (! $attached) { // sans pièces jointes
			// opening
			$message = [];
			$message[] = "--$boundary";
			// adding plain text
			$message[] = "Content-Type: text/plain; charset=\"ISO-8859-1\"";
			$message[] = "Content-Transfer-Encoding: 8bit" . self::CRLF;
			$message[] = $this->plainText . self::CRLF;
			// boundary
			$message[] = "--$boundary";
			// adding html text
			$message[] = "Content-Type: text/html; charset=\"ISO-8859-1\"";
			$message[] = "Content-Transfer-Encoding: 8bit" . self::CRLF;
			$message[] = $this->htmlText . self::CRLF;
			// Boundaries double closing (one for each message format)
			$message[] = "--$boundary";
			$message[] = "--$boundary";
			$message = implode(self::CRLF, $message) . "--$boundary--";
			//var_dump(__line__, $message);
		}
		else { // avec pièces jointes
			// opening
			$message = [];
			$message[] = "--$boundary";
			// adding plain text
			$message[] = "Content-Type: text/plain; charset=\"ISO-8859-1\"";
			$message[] = "Content-Transfer-Encoding: 8bit" . self::CRLF;
			$message[] = $this->plainText . self::CRLF;
			// boundary
			$message[] = "--$boundary";
			// adding html text
			$message[] = "Content-Type: text/html; charset=\"ISO-8859-1\"";
			$message[] = "Content-Transfer-Encoding: 8bit" . self::CRLF;
			$message[] = $this->htmlText . self::CRLF;
			$message[] = self::CRLF;
			// adding attachements
			foreach ($this->files as $name=>$file) {
				$message[] = "--$boundary";
				// declaring each attachement
				$message[] = "Content-type: " . $file['type'] . "; name=\"$name\"";
				$message[] = "Content-Transfer-Encoding: base64";
				$message[] = "Content-Disposition: attachement; filename=\"$name\"";
				$message[] = chunk_split(base64_encode(file_get_contents($file['tmp_name'])));
				$message[] = self::CRLF; // ?????????
				//$message[] = "--$boundary";
			}
			$message = implode(self::CRLF, $message) . "--$boundary--";
		}
		
		// Sending
		$check = false;
		if ($this->fromAddress) {
			//var_dump(__line__, $toLine, $this->strSubject, $message, $header);
			$check = mail($toLine, $this->strSubject, $message, $header);
		}
		return $check;
	}
?>