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if ( isset($_REQUEST['width']) ) {
    $maxwidth = $_REQUEST['width'];
}
...

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<?
// requiered argument
if ( empty($_REQUEST["pic"]) ) {
...

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<?php
// check to see if image has been uploaded

...

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function secure_input($v) {
    if ( is_array($v) ) {
        return array_map('secure_input', $v);
...

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<?php
function makeSafe($variable, $escape=true) {
  if (get_magic_quotes_gpc()) { 
...

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/***
* Beautify date to how recent the event occurred compared to now.
* Some examples:  1 second, 4 hours, 10 days, 1 year.
...

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public static int randomNumber(int min, int max) {
	return min + (int)(Math.random() * (max - min));
}

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cap_growth = 5
v += (@property.current_value / 100 * cap_growth)

...