index.php

<?php
/*
ALL - return all messages matching the rest of the criteria
ANSWERED - match messages with the \\ANSWERED flag set
BCC "string" - match messages with "string" in the Bcc: field
BEFORE "date" - match messages with Date: before "date"
BODY "string" - match messages with "string" in the body of the message
CC "string" - match messages with "string" in the Cc: field
DELETED - match deleted messages
FLAGGED - match messages with the \\FLAGGED (sometimes referred to as Important or Urgent) flag set
FROM "string" - match messages with "string" in the From: field
KEYWORD "string" - match messages with "string" as a keyword
NEW - match new messages
OLD - match old messages
ON "date" - match messages with Date: matching "date"
RECENT - match messages with the \\RECENT flag set
SEEN - match messages that have been read (the \\SEEN flag is set)
SINCE "date" - match messages with Date: after "date"
SUBJECT "string" - match messages with "string" in the Subject:
TEXT "string" - match messages with text "string"
TO "string" - match messages with "string" in the To:
UNANSWERED - match messages that have not been answered
UNDELETED - match messages that are not deleted
UNFLAGGED - match messages that are not flagged
UNKEYWORD "string" - match messages that do not have the keyword "string"
UNSEEN - match messages which have not been read yet
*/
date_default_timezone_set('America/Los_Angeles');

$hostname     = '***************************';
$username     = '***************************';
$password     = '***************************';
$max_emails   = 50;
$directory    = date("Y")."/".date("m")."/".date("d")."/";
$date         = date("d-M-Y");
$query_string = "ON ".$date;

if(!file_exists($directory)):
    mkdir($directory, 0777, true);
endif;

echo "Fetching Mail For Date: $date ...<br>";
echo "Script Started...<br>";

$inbox = imap_open($hostname,$username,$password) or die('Cannot Connect to Gmail: ' . imap_last_error());

$emails = imap_search($inbox, $query_string);

/* if any emails found, iterate through each email */
if($emails) {

    $count = 1;

    /* put the newest emails on top */
    rsort($emails);

    /* for every email... */
    foreach($emails as $email_number)
    {

        /* get information specific to this email */
        $overview = imap_fetch_overview($inbox,$email_number,0);

        /* get mail message */
        $message = imap_fetchbody($inbox,$email_number,2);

        /* get mail structure */
        $structure = imap_fetchstructure($inbox, $email_number);

        $attachments = array();

        /* if any attachments found... */
        if(isset($structure->parts) && count($structure->parts))
        {
            for($i = 0; $i < count($structure->parts); $i++)
            {
                $attachments[$i] = array(
                    'is_attachment' => false,
                    'filename' => '',
                    'name' => '',
                    'attachment' => ''
                );

                if($structure->parts[$i]->ifdparameters)
                {
                    foreach($structure->parts[$i]->dparameters as $object)
                    {
                        if(strtolower($object->attribute) == 'filename')
                        {
                            $attachments[$i]['is_attachment'] = true;
                            $attachments[$i]['filename'] = $object->value;
                        }
                    }
                }

                if($structure->parts[$i]->ifparameters)
                {
                    foreach($structure->parts[$i]->parameters as $object)
                    {
                        if(strtolower($object->attribute) == 'name')
                        {
                            $attachments[$i]['is_attachment'] = true;
                            $attachments[$i]['name'] = $object->value;
                        }
                    }
                }

                if($attachments[$i]['is_attachment'])
                {
                    $attachments[$i]['attachment'] = imap_fetchbody($inbox, $email_number, $i+1);

                    /* 4 = QUOTED-PRINTABLE encoding */
                    if($structure->parts[$i]->encoding == 3)
                    {
                        $attachments[$i]['attachment'] = base64_decode($attachments[$i]['attachment']);
                    }
                    /* 3 = BASE64 encoding */
                    elseif($structure->parts[$i]->encoding == 4)
                    {
                        $attachments[$i]['attachment'] = quoted_printable_decode($attachments[$i]['attachment']);
                    }
                }
            }
        }

        /* iterate through each attachment and save it */
        foreach($attachments as $attachment)
        {
            if($attachment['is_attachment'] == 1)
            {
                $filename = $attachment['name'];
                if(empty($filename)) $filename = $attachment['filename'];

                if(empty($filename)) $filename = time() . ".dat";

                $downloaded_file_name = $directory . $email_number . "-" . $filename;

                $fp = fopen($downloaded_file_name, "w+");
                fwrite($fp, $attachment['attachment']);
                fclose($fp);

                echo "<br>".$downloaded_file_name."<br>";
            }

        }

        if($count++ >= $max_emails) break;
    }

}

/* close the connection */
imap_close($inbox);
die("<br>Script Ended...");