protected function lib_data_uri($value) {
$mime = ($value[0] === 'list') ? $value[2][0][2] : null;
$url = ($value[0] === 'list') ? $value[2][1][2][0] : $value[2][0];

$fullpath = $this->findImport($url);

if($fullpath && ($fsize = filesize($fullpath)) !== false) {
// IE8 can't handle data uris larger than 32KB
if($fsize/1024 < 32) {
if(is_null($mime)) {
if(class_exists('finfo')) { // php 5.3+
$finfo = new finfo(FILEINFO_MIME);
$mime = explode('; ', $finfo->file($fullpath));
$mime = $mime[0];
} elseif(function_exists('mime_content_type')) { // PHP 5.2
$mime = mime_content_type($fullpath);
}
}

if(!is_null($mime)) // fallback if the mime type is still unknown
$url = sprintf('data:%s;base64,%s', $mime, base64_encode(file_get_contents($fullpath)));
}
}

return 'url("'.$url.'")';
}
protected function lib_data_uri($value) {
$mime = ($value[0] === 'list') ? $value[2][0][2] : null;
$url = ($value[0] === 'list') ? $value[2][1][2][0] : $value[2][0];

$fullpath = $this->findImport($url);

if($fullpath && ($fsize = filesize($fullpath)) !== false) {
// IE8 can't handle data uris larger than 32KB
if($fsize/1024 < 32) {
if(is_null($mime)) {
if(class_exists('finfo')) { // php 5.3+
$finfo = new finfo(FILEINFO_MIME);
$mime = explode('; ', $finfo->file($fullpath));
$mime = $mime[0];
} elseif(function_exists('mime_content_type')) { // PHP 5.2
$mime = mime_content_type($fullpath);
}
}

if(!is_null($mime)) // fallback if the mime type is still unknown
$url = sprintf('data:%s;base64,%s', $mime, base64_encode(file_get_contents($fullpath)));
}
}

return 'url("'.$url.'")';
}
protected function lib_data_uri ( $ value ) { $ mime = ( $ value [ 0 ] === 'list' ) ? $ value [ 2 ] [ 0 ] [ 2 ] : null ; $ url = ( $ value [ 0 ] === 'list' ) ? $ value [ 2 ] [ 1 ] [ 2 ] [ 0 ] : $ value [ 2 ] [ 0 ] ; $ fullpath = $ this -> findImport ( $ url ) ; if ( $ fullpath && ( $ fsize = filesize ( $ fullpath ) ) !== false ) { // IE8 can't handle data uris larger than 32KB
 if ( $ fsize / 1024 < 32 ) { if ( is_null ( $ mime ) ) { if ( class_exists ( 'finfo' ) ) { // php 5.3+
 $ finfo = new finfo ( FILEINFO_MIME ) ; $ mime = explode ( '; ' , $ finfo -> file ( $ fullpath ) ) ; $ mime = $ mime [ 0 ] ; } elseif ( function_exists ( 'mime_content_type' ) ) { // PHP 5.2
 $ mime = mime_content_type ( $ fullpath ) ; } } if ( ! is_null ( $ mime ) ) // fallback if the mime type is still unknown
 $ url = sprintf ( 'data:%s;base64,%s' , $ mime , base64_encode ( file_get_contents ( $ fullpath ) ) ) ; } } return 'url("' . $ url . '")' ; }
Given an url, decide whether to output a regular link or the base64-encoded contents of the file

@param array $value either an argument list (two strings) or a single string
@return string formatted url(), either as a link or base64-encoded
Given an url decide whether to output a regular link or the base64 - encoded contents of the file