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Email Class This class is used for sending emails. These emails can be Plain Text, HTML, or Both. Other uses include file Attachments and email Templates(from a file). <?php /******************************************************************************* Name: Email Description: This class is used for sending emails. These emails can be Plain Text, HTML, or Both. Other uses include file Attachments and email Templates(from a file). Testing: test_email.php3: $mail->setTo("myEmail@yo.com"); $mail->send(); Changelog: Date Name Description ----------- ----------- ------------------------------------------------ 10/21/1999 R.Chambers created *******************************************************************************/ /******************************************************************************* Issues: no error reporting can only send HTML with TEXT can only send attachements with HTML and TEXT *******************************************************************************/ /******************************************************************************* Function Listing: setTo($inAddress) setCC($inAddress) setBCC($inAddress) setFrom($inAddress) setSubject($inSubject) setText($inText) setHTML($inHTML) setAttachments($inAttachments) checkEmail($inAddress) loadTemplate($inFileLocation,$inHash,$inFormat) getRandomBoundary($offset) getContentType() formatTextHeader() formatHTMLHeader() formatAttachmentHeader($inFileLocation) send() *******************************************************************************/ class Email { //---Global Variables var $mailTo = ""; // array of To addresses var $mailCC = ""; // copied recipients var $mailBCC = ""; // hidden recipients var $mailFrom = ""; // from address var $mailSubject = ""; // email subject var $mailText = ""; // plain text message var $mailHTML = ""; // html message var $mailAttachments = ""; // array of attachments /******************************************************************************* Function: setTo($inAddress) Description: sets the email To address Arguments: $inAddress as string separate multiple values with comma Returns: true if set *******************************************************************************/ function setTo($inAddress){ //--split addresses at commas $addressArray = explode(",",$inAddress); //--loop through each address and exit on error for($i=0;$i<count($addressArray);$i++){ if($this->checkEmail($addressArray[$i])==false) return false; } //--all values are OK so implode array into string $this->mailTo = implode($addressArray,","); return true; } /******************************************************************************* Function: setCC($inAddress) Description: sets the email cc address Arguments: $inAddress as string separate multiple values with comma Returns: true if set *******************************************************************************/ function setCC($inAddress){ //--split addresses at commas $addressArray = explode(",",$inAddress); //--loop through each address and exit on error for($i=0;$i<count($addressArray);$i++){ if($this->checkEmail($addressArray[$i])==false) return false; } //--all values are OK so implode array into string $this->mailCC = implode($addressArray,","); return true; } /******************************************************************************* Function: setBCC($inAddress) Description: sets the email bcc address Arguments: $inAddress as string separate multiple values with comma Returns: true if set *******************************************************************************/ function setBCC($inAddress){ //--split addresses at commas $addressArray = explode(",",$inAddress); //--loop through each address and exit on error for($i=0;$i<count($addressArray);$i++){ if($this->checkEmail($addressArray[$i])==false) return false; } //--all values are OK so implode array into string $this->mailBCC = implode($addressArray,","); return true; } /******************************************************************************* Function: setFrom($inAddress) Description: sets the email FROM address Arguments: $inAddress as string (takes single email address) Returns: true if set *******************************************************************************/ function setFrom($inAddress){ if($this->checkEmail($inAddress)){ $this->mailFrom = $inAddress; return true; } return false; } /******************************************************************************* Function: setSubject($inSubject) Description: sets the email subject Arguments: $inSubject as string Returns: true if set *******************************************************************************/ function setSubject($inSubject){ if(strlen(trim($inSubject)) > 0){ $this->mailSubject = ereg_replace("\n","",$inSubject); return true; } return false; } /******************************************************************************* Function: setText($inText) Description: sets the email text Arguments: $inText as string Returns: true if set *******************************************************************************/ function setText($inText){ if(strlen(trim($inText)) > 0){ $this->mailText = $inText; return true; } return false; } /******************************************************************************* Function: setHTML($inHTML) Description: sets the email HMTL Arguments: $inHTML as string Returns: true if set *******************************************************************************/ function setHTML($inHTML){ if(strlen(trim($inHTML)) > 0){ $this->mailHTML = $inHTML; return true; } return false; } /******************************************************************************* Function: setAttachments($inAttachments) Description: stores the Attachment string Arguments: $inAttachments as string with directory included separate multiple values with comma Returns: true if stored *******************************************************************************/ function setAttachments($inAttachments){ if(strlen(trim($inAttachments)) > 0){ $this->mailAttachments = $inAttachments; return true; } return false; } /******************************************************************************* Function: checkEmail($inAddress) Description: checks for valid email Arguments: $inAddress as string Returns: true if valid *******************************************************************************/ function checkEmail($inAddress){ return (ereg( "^[^@ ]+@([a-zA-Z0-9\-]+\.)+([a-zA-Z0-9\-]{2}|net|com|gov|mil|org|edu|int)\$",$inAddress)); } /******************************************************************************* Function: loadTemplate($inFileLocation,$inHash,$inFormat) Description: reads in a template file and replaces hash values Arguments: $inFileLocation as string with relative directory $inHash as Hash with populated values $inFormat as string either "text" or "html" Returns: true if loaded *******************************************************************************/ function loadTemplate($inFileLocation,$inHash,$inFormat){ /* template files have lines such as: Dear ~!UserName~, Your address is ~!UserAddress~ */ //--specify template delimeters $templateDelim = "~"; $templateNameStart = "!"; //--set out string $templateLineOut = ""; //--open template file if($templateFile = fopen($inFileLocation,"r")){ //--loop through file, line by line while(!feof($templateFile)){ //--get 1000 chars or (line break internal to fgets) $templateLine = fgets($templateFile,1000); //--split line into array of hashNames and regular sentences $templateLineArray = explode($templateDelim,$templateLine); //--loop through array for( $i=0; $i<count($templateLineArray);$i++){ //--look for $templateNameStart at position 0 if(strcspn($templateLineArray[$i],$templateNameStart)==0){ //--get hashName after $templateNameStart $hashName = substr($templateLineArray[$i],1); //--replace hashName with acual value in $inHash //--(string) casts all values as "strings" $templateLineArray[$i] = ereg_replace($hashName,(string)$inHash[$hashName],$hashName); } } //--output array as string and add to out string $templateLineOut .= implode($templateLineArray,""); } //--close file fclose($templateFile); //--set Mail body to proper format if( strtoupper($inFormat)=="TEXT" ) return($this->setText($templateLineOut)); else if( strtoupper($inFormat)=="HTML" ) return($this->setHTML($templateLineOut)); } return false; } /******************************************************************************* Function: getRandomBoundary($offset) Description: returns a random boundary Arguments: $offset as integer - used for multiple calls Returns: string *******************************************************************************/ function getRandomBoundary($offset = 0){ //--seed random number generator srand(time()+$offset); //--return md5 32 bits plus 4 dashes to make 38 chars return ("----".(md5(rand()))); } /******************************************************************************* Function: getContentType($inFileName) Description: returns content type for the file type Arguments: $inFileName as file name string (can include path) Returns: string *******************************************************************************/ function getContentType($inFileName){ //--strip path $inFileName = basename($inFileName); //--check for no extension if(strrchr($inFileName,".") == false){ return "application/octet-stream"; } //--get extension and check cases $extension = strrchr($inFileName,"."); switch($extension){ case ".gif": return "image/gif"; case ".gz": return "application/x-gzip"; case ".htm": return "text/html"; case ".html": return "text/html"; case ".jpg": return "image/jpeg"; case ".tar": return "application/x-tar"; case ".txt": return "text/plain"; case ".zip": return "application/zip"; default: return "application/octet-stream"; } return "application/octet-stream"; } /******************************************************************************* Function: formatTextHeader Description: returns a formated header for text Arguments: none Returns: string *******************************************************************************/ function formatTextHeader(){ $outTextHeader = ""; $outTextHeader .= "Content-Type: text/plain; charset=us-ascii\n"; $outTextHeader .= "Content-Transfer-Encoding: 7bit\n\n"; $outTextHeader .= $this->mailText."\n"; return $outTextHeader; } /******************************************************************************* Function: formatHTMLHeader Description: returns a formated header for HTML Arguments: none Returns: string *******************************************************************************/ function formatHTMLHeader(){ $outHTMLHeader = ""; $outHTMLHeader .= "Content-Type: text/html; charset=us-ascii\n"; $outHTMLHeader .= "Content-Transfer-Encoding: 7bit\n\n"; $outHTMLHeader .= $this->mailHTML."\n"; return $outHTMLHeader; } /******************************************************************************* Function: formatAttachmentHeader($inFileLocation) Description: returns a formated header for an attachment Arguments: $inFileLocation as string with relative directory Returns: string *******************************************************************************/ function formatAttachmentHeader($inFileLocation){ $outAttachmentHeader = ""; //--get content type based on file extension $contentType = $this->getContentType($inFileLocation); //--if content type is TEXT the standard 7bit encoding if(ereg("text",$contentType)){ //--format header $outAttachmentHeader .= "Content-Type: ".$contentType.";\n"; $outAttachmentHeader .= ' name="'.basename($inFileLocation).'"'."\n"; $outAttachmentHeader .= "Content-Transfer-Encoding: 7bit\n"; $outAttachmentHeader .= "Content-Disposition: attachment;\n"; //--other: inline $outAttachmentHeader .= ' filename="'.basename($inFileLocation).'"'."\n\n"; $textFile = fopen($inFileLocation,"r"); //--loop through file, line by line while(!feof($textFile)){ //--get 1000 chars or (line break internal to fgets) $outAttachmentHeader .= fgets($textFile,1000); } //--close file fclose($textFile); $outAttachmentHeader .= "\n"; } //--NON-TEXT use 64-bit encoding else{ //--format header $outAttachmentHeader .= "Content-Type: ".$contentType.";\n"; $outAttachmentHeader .= ' name="'.basename($inFileLocation).'"'."\n"; $outAttachmentHeader .= "Content-Transfer-Encoding: base64\n"; $outAttachmentHeader .= "Content-Disposition: attachment;\n"; //--other: inline $outAttachmentHeader .= ' filename="'.basename($inFileLocation).'"'."\n\n"; //--call uuencode - output is returned to the return array exec("uuencode -m $inFileLocation nothing_out",$returnArray); //--add each line returned for ($i = 1; $i<(count($returnArray)); $i++){ $outAttachmentHeader .= $returnArray[$i]."\n"; } } return $outAttachmentHeader; } /******************************************************************************* Function: send() Description: sends the email Arguments: none Returns: true if sent *******************************************************************************/ function send(){ //--set mail header to blank $mailHeader = ""; //--add CC if($this->mailCC != "") $mailHeader .= "CC: ".$this->mailCC."\n"; //--add BCC if($this->mailBCC != "") $mailHeader .= "BCC: ".$this->mailBCC."\n"; //--add From if($this->mailFrom != "") $mailHeader .= "FROM: ".$this->mailFrom."\n"; //---------------------------MESSAGE TYPE------------------------------- //--TEXT ONLY if($this->mailText != "" && $this->mailHTML == "" && $this->mailAttachments == ""){ return mail($this->mailTo,$this->mailSubject,$this->mailText,$mailHeader); } //--HTML AND TEXT else if($this->mailText != "" && $this->mailHTML != "" && $this->mailAttachments == ""){ //--get random boundary for content types $bodyBoundary = $this->getRandomBoundary(); //--format headers $textHeader = $this->formatTextHeader(); $htmlHeader = $this->formatHTMLHeader(); //--set MIME-Version $mailHeader .= "MIME-Version: 1.0\n"; //--set up main content header with boundary $mailHeader .= "Content-Type: multipart/alternative;\n"; $mailHeader .= ' boundary="'.$bodyBoundary.'"'; $mailHeader .= "\n\n\n"; //--add body and boundaries $mailHeader .= "--".$bodyBoundary."\n"; $mailHeader .= $textHeader; $mailHeader .= "--".$bodyBoundary."\n"; //--add html and ending boundary $mailHeader .= $htmlHeader; $mailHeader .= "\n--".$bodyBoundary."--"; //--send message return mail($this->mailTo,$this->mailSubject,"",$mailHeader); } //--HTML AND TEXT AND ATTACHMENTS else if($this->mailText != "" && $this->mailHTML != "" && $this->mailAttachments != ""){ //--get random boundary for attachments $attachmentBoundary = $this->getRandomBoundary(); //--set main header for all parts and boundary $mailHeader .= "Content-Type: multipart/mixed;\n"; $mailHeader .= ' boundary="'.$attachmentBoundary.'"'."\n\n"; $mailHeader .= "This is a multi-part message in MIME format.\n"; $mailHeader .= "--".$attachmentBoundary."\n"; //--TEXT AND HTML-- //--get random boundary for content types $bodyBoundary = $this->getRandomBoundary(1); //--format headers $textHeader = $this->formatTextHeader(); $htmlHeader = $this->formatHTMLHeader(); //--set MIME-Version $mailHeader .= "MIME-Version: 1.0\n"; //--set up main content header with boundary $mailHeader .= "Content-Type: multipart/alternative;\n"; $mailHeader .= ' boundary="'.$bodyBoundary.'"'; $mailHeader .= "\n\n\n"; //--add body and boundaries $mailHeader .= "--".$bodyBoundary."\n"; $mailHeader .= $textHeader; $mailHeader .= "--".$bodyBoundary."\n"; //--add html and ending boundary $mailHeader .= $htmlHeader; $mailHeader .= "\n--".$bodyBoundary."--"; //--send message //--END TEXT AND HTML //--get array of attachment filenames $attachmentArray = explode(",",$this->mailAttachments); //--loop through each attachment for($i=0;$i<count($attachmentArray);$i++){ //--attachment separator $mailHeader .= "\n--".$attachmentBoundary."\n"; //--get attachment info $mailHeader .= $this->formatAttachmentHeader($attachmentArray[$i]); } $mailHeader .= "--".$attachmentBoundary."--"; return mail($this->mailTo,$this->mailSubject,"",$mailHeader); } return false; } } ?>