<?php
function getvar($tKey, $tSrcArr, $tDefValue=false)
{
	$res = $tDefValue;
	if (isset($tSrcArr[$tKey])){
		$res = $tSrcArr[$tKey];
	}
	return $res;
}

function replace_images($template_content)
{
    $allchars = '-:=%;a-zA-Z\\/0-9_\. ';
    $eregReplacePattern = "(<img[$allchars\'\"]*src=)([\"'])([$allchars]*)([\"'])";
    return preg_replace('/' . addcslashes($eregReplacePattern, '/') . '/', "\\1\\2". HTTP_PATH ."\\3\\4", $template_content);
}

function getstr($key, $arr, $defval = '')
{
    return trim(stripslashes(getvar($key, $arr, $defval)));
}

function getint($key, $arr, $defval = 0)
{
    $str = getstr($key, $arr, $defval);
    if (preg_match('/^\-{0,1}[0-9]+$/', $str)){
        return $str;
    }
    return $defval;
}

function isArray($arr)
{
    return is_array($arr) && count($arr) > 0;
}

function is_ie()
{
    return substr_count($_SERVER['HTTP_USER_AGENT'], 'MSIE 6.0') > 0;
}

function is_validator()
{
    return substr_count($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') > 0;
}

function is_gecko()
{
    return substr_count($_SERVER['HTTP_USER_AGENT'], 'Gecko') > 0;
}
function gebug($debug,$message){
    if($debug){ echo $message;}
}
function print_gzipped_page() {

    global $HTTP_ACCEPT_ENCODING;
    if( headers_sent() ){
        $encoding = false;
    }elseif( strpos($HTTP_ACCEPT_ENCODING, 'x-gzip') !== false ){
        $encoding = 'x-gzip';
    }elseif( strpos($HTTP_ACCEPT_ENCODING,'gzip') !== false ){
        $encoding = 'gzip';
    }else{
        $encoding = false;
    }

    if( $encoding ){
        $contents = ob_get_contents();
        ob_end_clean();
        header('Content-Encoding: '.$encoding);
        print("\x1f\x8b\x08\x00\x00\x00\x00\x00");
        $size = strlen($contents);
        $contents = gzcompress($contents, 9);
        $contents = substr($contents, 0, $size);
        print($contents);
        exit();
    }else{
        ob_end_flush();
        exit();
    }
}

?>