File Source for common.php

<?php
/*
* This work is hereby released into the Public Domain.
* To view a copy of the public domain dedication,
* visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
* Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
*
*/
/**
* @package linea21.externals
* @subpackage artichow
*/
/*
* Get the minimum of an array and ignore non numeric values
*/
function array_min($array) {
if(is_array($array) and count($array) > 0) {
do {
$min = array_pop($array);
if(is_numeric($min) === FALSE) {
$min = NULL;
}
} while(count($array) > 0 and $min === NULL);
if($min !== NULL) {
$min = (float)$min;
}
foreach($array as $value) {
if(is_numeric($value) and (float)$value < $min) {
$min = (float)$value;
}
}
return $min;
}
return NULL;
}
/*
* Get the maximum of an array and ignore non numeric values
*/
function array_max($array) {
if(is_array($array) and count($array) > 0) {
do {
$max = array_pop($array);
if(is_numeric($max) === FALSE) {
$max = NULL;
}
} while(count($array) > 0 and $max === NULL);
if($max !== NULL) {
$max = (float)$max;
}
foreach($array as $value) {
if(is_numeric($value) and (float)$value > $max) {
$max = (float)$value;
}
}
return $max;
}
return NULL;
}
/*
* Define file_put_contents() if needed
*/
if(function_exists('file_put_contents') === FALSE) {
function file_put_contents($file, $content) {
$fp = fopen($file, 'w');
if($fp) {
fwrite($fp, $content);
fclose($fp);
}
}
}
/*
* Change error handler
*/
set_error_handler('errorHandlerArtichow');
function errorHandlerArtichow($level, $message, $file, $line) {
awImage::drawError($message.' in '.$file.' on line '.$line.'.');
}
?>

Source for file common.php