~ overflow ~

Problem:

I can’t tell if this is a good practice, but i don’t really care, it speeds up the process.

I’m talking about this specific IF notation:

$x=1;

// this:

if ($x == 1) {

// do something

} else {

// do something

}

// .. can be replaced with this

return ($x == 1) ? /* true */ : /* false */;

// however... this:

if ($x == 1) {

// do something

} else {

if ($x == 2) {

// do something

} else {

// do something

}

}

// can't be replaced with the ? : notation

Solution:

function foo($x) { return $x; }

return ($x == 1) ? /* x = 1 */ : foo(($x == 2) ? /* x=2 */ : /* x = other */);

Problem:

Gmail is offering a considerable ammount of free space, now, it can be used to do automatic backups, specially if you run a database or something critical.

Solution:

They offer a lot of space … but you can’t get emails bigger than 20mb, so you need to do some tricks,

first a little bash script:

#!/bin/bash
s_ts() { date "+[%H:%M:%S%p]"; }
_dt=`date +%y%m%d`
echo \(c\) z3n - R1V1.06@070509 \(PiD:$$\)
cd /path/to/backup/folder
echo `s_ts` SQL Backup...
mysqldump -pMYSQL_PASSWORD --all-databases > mysql-"$_dt".sql
echo `s_ts` Compressing...
rar a -m5 -inul -s -rr3  -v19750k -df mysql-"$_dt".rar mysql-"$_dt".sql
cd ..;php ma.php mysql-"$_dt".rar

and then a ma.php to email attachments:

// (c) z3n - z3n666@gmail.com

define('from','backup@youdomain.com');
define('to','your.gmail@gmail.com');
define('subject','MySQL Backup - '.date("Y-m-d"));
define('base_path','/path/to/backup/');

set_time_limit(0);
ini_set("memory_limit","1G");

function send_attach_mail($email_from,$email_to,$email_subject,$file) {

	$email_message = $file; // Message that the email has in it 

	$semi_rand=md5(time());
	$mime_boundary="==Multipart_Boundary_x{$semi_rand}x";
	$headers="From: ".$email_from."\nMIME-Version: 1.0\nContent-Type: multipart/mixed;\n boundary=\"{$mime_boundary}\"";
	$email_message.="This is a multi-part message in MIME format.\n\n--{$mime_boundary}\nContent-Type:text/html; charset=\"iso-8859-1\"\nContent-Transfer-Encoding: 7bit\n\n".$email_message."\n\n";

	/* First File */
	$fileatt_type = "application/octet-stream"; // File Type
	$fileatt_name = $file; // Filename that will be used for the file as the attachment 

	$rfile = fopen($file,'rb');
	$data = fread($rfile,filesize($file));
	fclose($rfile);
	$data = chunk_split(base64_encode($data));
	$email_message .= "--{$mime_boundary}\nContent-Type: {$fileatt_type};\n name=\"{$fileatt_name}\"\nContent-Transfer-Encoding: base64\n\n".$data."\n\n--{$mime_boundary}\n"; 

	@mail($email_to, $email_subject, $email_message, $headers);
}

if (!isset($argv[1])) {
	die("Usage: ".$_SERVER['PHP_SELF']." <filename>");
} else {
	$argv[1]=str_replace("..","",$argv[1]);
	if (!file_exists(base_path.$argv[1])) { // try to see if this is multipart file
		for ($i=1;file_exists(substr(base_path.$argv[1],0,-3)."part0".$i.".rar");$i++) {
			send_attach_mail(from,to,subject,substr(base_path.$argv[1],0,-3)."part0".$i.".rar");
		}
	} else {
		send_attach_mail(from,to,subject,base_path.$argv[1]);
	}
}

Done!