"android", "blackberry" => "blackberry", "iphone" => "(iphone|ipod)", "opera" => "opera mini", "palm" => "(avantgo|blazer|elaine|hiptop|palm|plucker|xiino)", "windows" => "windows ce; (iemobile|ppc|smartphone)", "generic" => "(kindle|mobile|mmp|midp|o2|pda|pocket|psp|symbian|smartphone|treo|up.browser|up.link|vodafone|wap)");
public function __construct()
{
$this->userAgent = $_SERVER['HTTP_USER_AGENT'];
$this->accept = $_SERVER['HTTP_ACCEPT'];
if (isset($_SERVER['HTTP_X_WAP_PROFILE']) || isset($_SERVER['HTTP_PROFILE'])) {
$this->isMobile = true;
} elseif (strpos($this->accept, 'text/vnd.wap.wml') > 0 || strpos($accept, 'application/vnd.wap.xhtml+xml') > 0) {
$this->isMobile = true;
} else {
foreach ($this->devices as $device => $regexp) {
if ($this->isDevice($device)) {
$this->isMobile = true;
}
}
}
}
/**
* Overloads isAndroid() | isBlackberry() | isOpera() | isPalm() | isWindows() | isGeneric() through isDevice()
*
* @param string $name
* @param array $arguments
* @return bool
*/
public function __call($name, $arguments)
{
$device = substr($name, 2);
if ($name == "is" . ucfirst($device)) {
return $this->isDevice($device);
} else {
trigger_error("Method $name not defined", E_USER_ERROR);
}
}
/**
* Returns true if any type of mobile device detected, including special ones
* @return bool
*/
public function isMobile()
{
return $this->isMobile;
}
protected function isDevice($device)
{
$var = "is" . ucfirst($device);
$return = $this->$var === null ? (bool) preg_match("/" . $this->devices[$device] . "/i", $this->userAgent) : $this->$var;
if ($device != 'generic' && $return == true) {
$this->isGeneric = false;
}
return $return;
}
}
?>hasmeta = isset($info["APP13"]);
if($this->hasmeta)
$this->meta = iptcparse ($info["APP13"]);
$this->file = $filename;
}
function set($tag, $data) {
$this->meta ["2#$tag"]= Array( $data );
$this->hasmeta=true;
}
function get($tag) {
return isset($this->meta["2#$tag"]) ? $this->meta["2#$tag"][0] : false;
}
function dump() {
print_r($this->meta);
}
function binary() {
$iptc_new = '';
foreach (array_keys($this->meta) as $s) {
$tag = str_replace("2#", "", $s);
$iptc_new .= $this->iptc_maketag(2, $tag, $this->meta[$s][0]);
}
return $iptc_new;
}
function iptc_maketag($rec,$dat,$val) {
$len = strlen($val);
if ($len < 0x8000) {
return chr(0x1c).chr($rec).chr($dat).
chr($len >> 8).
chr($len & 0xff).
$val;
} else {
return chr(0x1c).chr($rec).chr($dat).
chr(0x80).chr(0x04).
chr(($len >> 24) & 0xff).
chr(($len >> 16) & 0xff).
chr(($len >> 8 ) & 0xff).
chr(($len ) & 0xff).
$val;
}
}
function write() {
if(!function_exists('iptcembed')) return false;
$mode = 0;
$content = iptcembed($this->binary(), $this->file, $mode);
$filename = $this->file;
@unlink($filename); #delete if exists
$fp = fopen($filename, "w");
fwrite($fp, $content);
fclose($fp);
}
#requires GD library installed
function removeAllTags() {
$this->hasmeta=false;
$this->meta=Array();
$img = imagecreatefromstring(implode(file($this->file)));
@unlink($this->file); #delete if exists
imagejpeg($img,$this->file,100);
}
};
/*
Example read copyright string:
$i = new iptc("test.jpg");
echo $i->get(IPTC_COPYRIGHT_STRING);
Update copyright statement:
$i = new iptc("test.jpg");
echo $i->set(IPTC_COPYRIGHT_STRING,"Here goes the new data");
$i->write();
NOTE1: Data may be anything, even a binary file. I have so far tested and embedded an MS-Excel file directly to jpeg and it worked just perfect.
NOTE2: The writing purpose, it uses GD Library.
Further imporvements / changes may be followed at www.image-host-script.com
*/
?>
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