Email
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<?php
/**************************************************************************
*
* Updated: 11:30 a.m. CET (GMT + 1.00h) November 9, 2004
* Author: Carlo Tafuro <carlo.tafuro@poste.it>
*
* funtion mass_email_function($arg_array, $mail_to_array)
*
* mass_email_function is a working mass email solution for web application.
* It solves the problem of script execution timeout that can happen due to
* the long time the process of sending e-mails require.
*
* Moreover, the proposed solution offers
* the feature of email delivery scheduling.
*
*
* example of usage:
*
*
* $arg = array();
*
* $arg['mail_from_addr'] = 'roby@example.com';
* $arg['mail_from_name'] = 'Roby';
* $arg['mail_subject'] = 'mass email solution';
*
* $arg['mail_body'] = 'mass_email_function is a working mass ';
* $arg['mail_body'] .= 'email solution for web application, ';
* $arg['mail_body'] .= 'this function solve the problem due to ';
* $arg['mail_body'] .= 'the maximum time in seconds a script ';
* $arg['mail_body'] .= 'is allowed to run before it is ';
* $arg['mail_body'] .= 'terminated by the parser.';
*
* // $mail_start_date format: mm/dd/yy
* $arg['mail_start_date'] = date('m/d/y', time());
*
* // $mail_start_time format: hh:mm - hour
* // 24-hour format; i.e. '00' to '23'
* $arg['mail_start_time'] = date('H:i', time());
*
* $arg['debug'] = 0;
*
* $target = array();
*
* $target['Thomas'] = 'thomas@example.com';
* $target['Mary'] = 'mary@example.com';
* $target['Paul'] = 'paul@example.com';
*
* mass_email_function($arg, $target);
*
***************************************************************************/
function mass_email_function($arg_array, $mail_to_array) {
$mail_from_addr = $arg_array['mail_from_addr'];
$mail_from_name = $arg_array['mail_from_name'];
$mail_subject = $arg_array['mail_subject'];
$mail_body = $arg_array['mail_body'];
// $mail_start_date format: mm/dd/yy
$mail_start_date = $arg_array['mail_start_date'];
// $mail_start_time format: hh:mm - hour
// 24-hour format; i.e. '00' to '23'
$mail_start_time = $arg_array['mail_start_time'];
$debug = $arg_array['debug']; //boolean
$sendmail_binary = '/usr/sbin/sendmail';
$at_binary = '/usr/bin/at';
$here_doc_identifier = 'This_is_a_limit_string_sufficiently_unusual_that_it_will_not_occur_anywhere_in_the_text';
if (empty($mail_start_date)) { $mail_start_date = date('m/d/y', time()); }
if (empty($mail_start_time)) { $mail_start_time = date('H:i', time()); }
if ($debug) {
$at_pipe = popen ('cat > debug.txt','w');
$debug_comment = '# to debug this script at shell prompt type: ';
$debug_comment .= $at_binary.' '.$mail_start_time.' '.$mail_start_date;
$debug_comment .= ' < debug.txt'.chr(10);
fwrite ($at_pipe, $debug_comment);
} else {
$at_pipe = popen ($at_binary.' '.$mail_start_time.' '.$mail_start_date,'w');
}
$shell_script = chr(10);
$shell_script .= 'send_mail_to () {'.chr(10);
$shell_script .= chr(10);
$shell_script .= $sendmail_binary.' -i -t -f '.$mail_from_addr.' 1>/dev/null <<'.$here_doc_identifier.chr(10);
$shell_script .= 'Subject: '.$mail_subject.chr(10);
$shell_script .= 'From: "'.escapeshellcmd($mail_from_name).'" <'.escapeshellcmd($mail_from_addr).'>'.chr(10);
$shell_script .= 'To: "$1" <$2>'.chr(10);
$shell_script .= $mail_body.chr(10);
$shell_script .= $here_doc_identifier.chr(10);
$shell_script .= chr(10);
$shell_script .= 'return 0'.chr(10);
$shell_script .= '}'.chr(10);
$shell_script .= chr(10);
fwrite ($at_pipe, $shell_script);
fwrite ($at_pipe, chr(10).chr(10).'# start to send_mail_to function calls '.chr(10));
reset ($mail_to_array);
while (list ($name, $email) = each ($mail_to_array)) {
fwrite ($at_pipe, 'send_mail_to '.escapeshellarg($name).' '.escapeshellarg($email).chr(10));
}
fwrite ($at_pipe, chr(10).'exit 0'.chr(10));
pclose ($at_pipe);
return True;
}
?>
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Usage Example
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<?php
$arg = array();
$arg['mail_from_addr'] = 'roby@example.com';
$arg['mail_from_name'] = 'Roby';
$arg['mail_subject'] = 'mass email solution';
$arg['mail_body'] = 'mass_email_function is a working mass ';
$arg['mail_body'] .= 'email solution for web application, ';
$arg['mail_body'] .= 'this function solve the problem due to ';
$arg['mail_body'] .= 'the maximum time in seconds a script ';
$arg['mail_body'] .= 'is allowed to run before it is ';
$arg['mail_body'] .= 'terminated by the parser.';
// $mail_start_date format: mm/dd/yy
$arg['mail_start_date'] = date('m/d/y', time());
// $mail_start_time format: hh:mm - hour
// 24-hour format; i.e. '00' to '23'
$arg['mail_start_time'] = date('H:i', time());
$arg['debug'] = 0;
$target = array();
$target['Thomas'] = 'thomas@example.com';
$target['Mary'] = 'mary@example.com';
$target['Paul'] = 'paul@example.com';
mass_email_function($arg, $target);
?>
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