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function random($length) {
$hash = '';
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$max = strlen($chars)-1;
$length=4;//³¤¶È×ÔÐÐÉ趨
mt_srand((double)microtime() * 1000000);
for($i = 0; $i < $length; $i++){
$hash .= $chars[mt_rand(0, $max)];
}
return $hash;
}
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//echo random(4);
?>
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function test()
{
global $aa;
echo $aa;
}
test(); //print test
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built by gcc 4.1.2 20071124 (Red Hat 4.1.2-42)
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PHP Security for Deployers
If you're a Developer
READ THIS and then work with your SysAdmins to step through any and all the layers of security designed to protect your apps.
Example:
Traffic must first pass through a SPI firewall (ensure that ONLY necessary ports/protocols are permitted; en ......
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