Collaboration diagram for Magic:

Public Member Functions
	Magic ()

	load_file ($filename)

	_is_ascii ($file)

	get_language ($filename)

Detailed Description

Definition at line 22 of file Magic.php.

Member Function Documentation

◆ _is_ascii()

Magic::_is_ascii ( $file )

Definition at line 39 of file Magic.php.

References $file.

Referenced by get_language().

         {
                 $arr = unpack("C*", $file);
                 for($i=1; $i<sizeof($arr); $i++)
                 {       
                         if ($arr[$i]<32 && $arr[$i]!=13 && $arr[$i]!=10) return false;
                 }
                 return true;
         }

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◆ get_language()

Magic::get_language ( $filename )

Definition at line 49 of file Magic.php.

References $filename, $lang, $test, _is_ascii(), array, and load_file().

         {
                 // First attempt a match with the filename extension.
                 $extensionspl = explode($this->config->separator, $filename);
                 $extension = $extensionspl[sizeof($extensionspl)-1];
                 $langstr = $this->config->extensions[$extension];
                 // We may have a choice of languages, so check.
                 $langarr = explode("|", $langstr);
                 
                 // Got one language? Good!
                 if (sizeof($langarr)==1 && $langarr[0]!="") return $langstr;
                 
                 // Now the real magic starts :o) We may have a narrowed-down set of options from 
                 // the tests above, which will speed things up a little.
                 
                 // Get one /big/ string.
                 $this->config->file = $this->load_file($filename);
                 if ($this->config->file == undef) return "illegal";
                 $this->is_ascii = $this->_is_ascii($this->config->file);
 
                 if (isset($langstr)) 
                 {
                         // We don't know if all of the types are in our magic file, so filter out those that
                         // aren't.
                         
                         $outarray = array();
                         foreach($langarr as $lang)
                         {
                                 if ($this->is_ascii && in_array($lang, $this->config->langfunctions))
                                         array_push($outarray, $lang);
                                 else if(in_array($lang, $this->config->binfunctions))
                                         array_push($outarray, $lang);
                         }
                         $testarray = $outarray;
                 }
                 else 
                 {
                         if ($this->is_ascii) $testarray = $this->config->langfunctions;
                                 else $testarray = $this->config->binfunctions;
                 }
                 foreach($testarray as $test)
                 {
                         $func = "detect_".$test;
                         if ($this->config->$func()) return $test;
                 }
         }

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◆ load_file()

Magic::load_file ( $filename )

Definition at line 29 of file Magic.php.

References $filename, and $text.

Referenced by get_language().

         {
                 if (!($filehandle = @fopen($filename, "rb"))) return undef;
                 set_magic_quotes_runtime(0); 
                 $text = fread($filehandle, filesize($filename));
                 set_magic_quotes_runtime(get_magic_quotes_gpc());
                 fclose($filehandle);
                 return $text;
         }   

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◆ Magic()

Magic::Magic ( )

Definition at line 24 of file Magic.php.

         {
                 $this->config = new MagicConfig();
         }

The documentation for this class was generated from the following file: