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60 jpm 1 
<?php
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/*
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 * This work is hereby released into the Public Domain.
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 * To view a copy of the public domain dedication,
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 * visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
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 * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
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 *
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 */
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/*
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 * Get the minimum of an array and ignore non numeric values
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 */
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function array_min($array) {
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	if(is_array($array) and count($array) > 0) {
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		do {
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			$min = array_pop($array);
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			if(is_numeric($min) === FALSE) {
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				$min = NULL;
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			}
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		} while(count($array) > 0 and $min === NULL);
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		if($min !== NULL) {
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			$min = (float)$min;
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		}
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		foreach($array as $value) {
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			if(is_numeric($value) and (float)$value < $min) {
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				$min = (float)$value;
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			}
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		}
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		return $min;
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	}
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	return NULL;
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}
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/*
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 * Get the maximum of an array and ignore non numeric values
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 */
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function array_max($array) {
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	if(is_array($array) and count($array) > 0) {
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		do {
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			$max = array_pop($array);
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			if(is_numeric($max) === FALSE) {
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				$max = NULL;
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			}
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		} while(count($array) > 0 and $max === NULL);
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		if($max !== NULL) {
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			$max = (float)$max;
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		}
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		foreach($array as $value) {
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			if(is_numeric($value) and (float)$value > $max) {
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				$max = (float)$value;
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			}
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		}
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		return $max;
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	}
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	return NULL;
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}
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/*
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 * Define file_put_contents() if needed
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 */
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if(function_exists('file_put_contents') === FALSE) {
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	function file_put_contents($file, $content) {
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		$fp = fopen($file, 'w');
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		if($fp) {
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			fwrite($fp, $content);
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			fclose($fp);
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		}
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	}
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}
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/*
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 * Change error handler
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 */
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set_error_handler('errorHandlerArtichow');
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function errorHandlerArtichow($level, $message, $file, $line) {
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	awImage::drawError($message.' in '.$file.' on line '.$line.'.');
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}
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?>