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New Core functions file

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secretr 2009-08-05 19:53:47 +00:00
parent 17d5a13895
commit a81eb1801c
1 changed files with 168 additions and 0 deletions
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e107_handlers/core_functions.php Normal file
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<?php
/*
* e107 website system
*
* Copyright (C) 2001-2008 e107 Inc (e107.org)
* Released under the terms and conditions of the
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
*
* e107 Core functions
*
* $Source: /cvs_backup/e107_0.8/e107_handlers/core_functions.php,v $
* $Revision: 1.1 $
* $Date: 2009-08-05 19:53:47 $
* $Author: secretr $
*/
//
// Use these to combine isset() and use of the set value. or defined and use of a constant
// i.e. to fix if($pref['foo']) ==> if ( varset($pref['foo']) ) will use the pref, or ''.
// Can set 2nd param to any other default value you like (e.g. false, 0, or whatever)
// $testvalue adds additional test of the value (not just isset())
// Examples:
// $something = pref; // Bug if pref not set ==> $something = varset(pref);
// $something = isset(pref) ? pref : ""; ==> $something = varset(pref);
// $something = isset(pref) ? pref : default; ==> $something = varset(pref,default);
// $something = isset(pref) && pref ? pref : default; ==> use varsettrue(pref,default)
//
function varset(&$val, $default='')
{
if (isset($val)) { return $val; }
return $default;
}
function defset($str, $default='')
{
if (defined($str)) { return constant($str); }
return $default;
}
//
// These variants are like the above, but only return the value if both set AND 'true'
//
function varsettrue(&$val, $default='')
{
if (isset($val) && $val) { return $val; }
return $default;
}
function defsettrue($str,$default='')
{
if (defined($str) && constant($str)) {return constant($str); }
return $default;
}
function e107_include($fname)
{
global $e107_debug;
$ret = ($e107_debug ? include($fname) : @include($fname));
return $ret;
}
function e107_include_once($fname)
{
global $e107_debug;
if(is_readable($fname))
{
$ret = (!$e107_debug)? @include_once($fname) : include_once($fname);
}
return (isset($ret)) ? $ret : '';
}
function e107_require_once($fname)
{
global $e107_debug;
$ret = ($e107_debug ? require_once($fname) : @require_once($fname));
return $ret;
}
function e107_require($fname)
{
global $e107_debug;
$ret = ($e107_debug ? require($fname) : @require($fname));
return $ret;
}
function print_a($var, $return = FALSE)
{
if( ! $return)
{
echo '<pre>'.htmlspecialchars(print_r($var, TRUE), ENT_QUOTES, 'utf-8').'</pre>';
return TRUE;
}
else
{
return '<pre>'.htmlspecialchars(print_r($var, true), ENT_QUOTES, 'utf-8').'</pre>';
}
}
/**
* Strips slashes from a var if magic_quotes_gqc is enabled
*
* @param mixed $data
* @return mixed
*/
function strip_if_magic($data)
{
if (MAGIC_QUOTES_GPC == true)
{
return array_stripslashes($data);
}
else
{
return $data;
}
}
/**
* Strips slashes from a string or an array
*
* @param mixed $value
* @return mixed
*/
function array_stripslashes($data)
{
return is_array($data) ? array_map('array_stripslashes', $data) : stripslashes($data);
}
function echo_gzipped_page()
{
if(headers_sent())
{
$encoding = false;
}
elseif( strpos($_SERVER["HTTP_ACCEPT_ENCODING"], 'x-gzip') !== false )
{
$encoding = 'x-gzip';
}
elseif( strpos($_SERVER["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();
}
}
?>