[Phpgroupware-cvs] api/workaround.inc.php, 1.1.2.1

[nomail]

Update of /api
Added Files:
        Branch: proposal-branch
          workaround.inc.php

date: 2004/04/16 20:59:49;  author: seek3r;  state: Exp;  lines: +168 -0

Log Message:
bringing savannah cvs back up to date with what we were doing on our private 
cvs server. We will not be doing dev from this cvs tree
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No syntax errors detected in -
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<?php

// workaround for no 'is_a'
// PHP < 4.2.0
if (!function_exists('is_a'))
{
        function is_a($object,$class_name)
        {
                $class_name = strtolower($class_name);
                return (get_class($object) == $class_name) || 
is_subclass_of($object,$class_name);
        }
}

// workaround for no 'image_type_to_mime_type'
// PHP < 4.3.0
if (!function_exists('image_type_to_mime_type'))
{
        function image_type_to_mime_type($image_type)
        {
                switch ($image_type)
                {
                        case IMAGETYPE_GIF:
                                return 'image/gif';
                        case IMAGETYPE_JPG:
                        case IMAGETYPE_JPEG:
                                return 'image/jpeg';
                        case IMAGETYPE_PNG:
                                return 'image/png';
                        case IMAGETYPE_SWF:
                                return 'application/x-shockwave-flash';
                        case IMAGETYPE_PSD:
                                return 'image/psd';
                        case IMAGETYPE_BMP:
                                return 'image/bmp';
                        case IMAGETYPE_TIFF_II:
                        case IMAGETYPE_TIFF_MM:
                                return 'image/tiff';
                        case IMAGETYPE_JPC:
                                return 'image/jpc';
                        case IMAGETYPE_JP2:
                                return 'image/jp2';
                        case IMAGETYPE_JPX:
                                return 'image/jpx';
                        case IMAGETYPE_SWC:
                                return 'image/swc';
                }
                return FALSE;
        }
}

// workaround for no 'html_entity_decode'
// PHP < 4.3.0
if (!function_exists('html_entity_decode'))
{
        function html_entity_decode($string,$quote_style = ENT_COMPAT,$charset 
= 'ISO-8859-1')
        {
                $trans_tbl = get_html_translation_table(HTML_ENTITIES, 
$quote_style);
                $trans_tbl = array_flip($trans_tbl);
                return strtr($string,$trans_tbl);
        }
}

// workaround for no 'array_filter'
// PHP < 4.0.6
if (!function_exists('array_filter'))
{
        function array_filter($array,$callback)
        {
                $farray = array();
                foreach ($array as $key => $value)
                {
                        if ($callback($value))
                        {
                                $farray[$key] = $value;
                        }
                }
                return $farray;
        }
}

// workaround for no 'array_combine'
// PHP < 5
if (!function_exists('array_combine'))
{
        function array_combine($keys,$values)
        {
                switch (TRUE)
                {
                        case !is_array($keys) || empty($keys):
                        case !is_array($values) || empty($values):
                        case count($keys) != count($values):
                                return FALSE;
                }
                
                $return = array();
                reset ($values);
                
                foreach ($keys as $key)
                {
                        $value = each($values);
                        $return[$key] = $value[1];
                }
                return $return;
        }
}

// workaround for no 'ob_clean'
// PHP < 4.2.0
if (!function_exists('ob_clean'))
{
        function ob_clean()
        {
                ob_end_clean();
                ob_start();
        }
}

// workaround for no 'ob_flush'
// PHP < 4.2.0
if (!function_exists('ob_flush'))
{
        function ob_flush()
        {
                ob_end_flush();
                ob_start();
        }
}

// workaround for no 'file_get_contents'
// PHP < 4.3.0

/*!
 @function file_get_contents
 @abstract emulate the new PHP function if the current PHP version doesnt 
include it.
 @result reads file contents
*/
if(!function_exists('file_get_contents'))
{
        function file_get_contents($filename,$use_include_path=0)
        {
                if ($fd = fopen($filename,'rb',$use_include_path))
                {
                        $content = fread($fd,filesize($filename));
                        fclose($fd);
                        return $content;
                }
                return FALSE;
        }
}

if(!function_exists('debug_backtrace'))
{
        function debug_backtrace()
        {
                return array(
                        array(
                                'file'     => __FILE__,
                                'line'     => __LINE__,
                                'class'    => 'using fake backtrace',
                                'function' => 'using fake backtrace'
                        ),
                        array(
                                'class'    => 'using fake backtrace',
                                'function' => 'using fake backtrace'
                        )
                );
        }
}