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<?php |
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/** |
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* Email Header Parser. |
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* |
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* @author Sudar |
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* @package EmailLog |
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*/ |
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|
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defined( 'ABSPATH' ) || exit; // Exit if accessed directly |
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|
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/** |
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* Class Email Header Parser. |
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* |
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* @since 1.0 |
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*/ |
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class Email_Header_Parser { |
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|
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/** |
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* Join email headers. |
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* |
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* @since 1.0 |
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* |
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* @param array $data Headers to be joined. |
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* @return string Joined headers. |
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*/ |
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public function join_headers( $data ) { |
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$headers = ''; |
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|
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if ( ! empty( $data['from'] ) ) { |
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$headers .= 'From: ' . $data['from'] . "\r\n"; |
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} |
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|
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if ( ! empty( $data['cc'] ) ) { |
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$headers .= 'CC: ' . $data['cc'] . "\r\n"; |
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} |
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|
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if ( ! empty( $data['bcc'] ) ) { |
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$headers .= 'BCC: ' . $data['bcc'] . "\r\n"; |
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} |
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|
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if ( ! empty( $data['reply_to'] ) ) { |
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$headers .= 'Reply-to: ' . $data['reply_to'] . "\r\n"; |
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} |
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|
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if ( ! empty( $data['content_type'] ) ) { |
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$headers .= 'Content-type: ' . $data['content_type'] . "\r\n"; |
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} |
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|
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return $headers; |
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} |
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|
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/** |
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* Return parsed headers. |
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* |
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* @param string $headers Headers to parse. |
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* @return array Parsed Headers. |
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*/ |
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public function parse_headers( $headers ) { |
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return $this->parse( $headers ); |
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} |
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|
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/** |
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* Parse Headers. |
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* |
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* @access private |
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* |
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* @param string $headers Headers to be parsed. |
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* @return array Parsed headers. |
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*/ |
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private function parse( $headers ) { |
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$data = array(); |
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$arr_headers = explode( "\n", $headers ); |
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|
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foreach ( $arr_headers as $header ) { |
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$split_header = explode( ':', $header ); |
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$value = $this->parse_header_line( $split_header ); |
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|
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if ( trim( $value ) != '' ) { |
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switch ( strtolower( $split_header[0] ) ) { |
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case 'from': |
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$data['from'] = $value; |
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break; |
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|
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case 'cc': |
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$data['cc'] = $value; |
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break; |
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|
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case 'bcc': |
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$data['bcc'] = $value; |
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break; |
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|
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case 'reply-to': |
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$data['reply_to'] = $value; |
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break; |
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|
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case 'content-type': |
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$data['content_type'] = $value; |
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break; |
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} |
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} |
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} |
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|
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return $data; |
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} |
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|
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/** |
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* Parse individual header line. |
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* |
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* @since 1.0 |
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* @access private |
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* |
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* @param array $header Header line to be parsed. |
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* @return string Parsed value. |
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*/ |
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private function parse_header_line( $header ) { |
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$value = ''; |
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if ( count( $header ) == 2 ) { |
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if ( is_array( $header[1] ) ) { |
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$value = trim( implode( ',', array_map( 'trim', $header[1] ) ) ); |
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} else { |
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$value = trim( $header[1] ); |
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} |
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} |
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|
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return $value; |
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} |
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} |
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|
