PHP Classes

finfo: Determine the type of files analyzing its contents

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finfo 1.0GNU General Publi...5PHP 5, Files and Folders
Description 

Author

Uku-Kaarel Jo~esaar

This class can determine the type of files analyzing its contents.

It provides an interface compatible with PHP finfo extension under systems that do not have that PHP extension available.

It takes the path of a file and uses the file command to analyze its contents when possible. Otherwise the class reads the file contents to guess the file type and character encoding.

Innovation Award
PHP Programming Innovation award nominee
March 2012
Number 6

Prize: One downloadable e-book of choice by O'Reilly		 finfo is an useful PHP extension that makes it possible to determine the type of data contained in files by examining its contents.

Unfortunately the finfo extension is not available in all PHP setups. This class provides a work around by emulating the functionality of the finfo extensionin pure PHP code.

Manuel Lemos
Picture of Uku-Kaarel Jo~esaar
Name: Uku-Kaarel Jo~esaar <contact>
Classes: 8 packages by
Country: Estonia Estonia
Age: 42
All time rank: 3811 in Estonia Estonia
Week rank: 195 Up2 in Estonia Estonia Down
Innovation award
Innovation award
Nominee: 5x

Example

<?php

require_once('./loader.finfo.php');

$files = scandir('./dir');

//$Yo = new myfinfo(FILEINFO_MIME_ENCODING);
//$Yo = new myfinfo(FILEINFO_MIME_TYPE);
//$Yo = new myfinfo(FILEINFO_MIME);
$Yo = new finfo(FILEINFO_MIME_ENCODING|FILEINFO_MIME_TYPE);
foreach($files as $file) {
    //copy($file, './dir/'.end(explode('/',$file)));
    echo '<b><a href="./dir/' . end(explode('/',rtrim($file,'/'))) .'">'. end(explode('/',rtrim($file,'/'))) .'</a></b> '. $Yo->file('./dir/'.$file) . "<br />\n";
    //echo "<p> {$Yo->log} </p>\n";
}

Details

class.finfo.php
---------------


 public $no_magic    <-- built in magic 
 public $flags       <-- finfo flags
 public $magic_file  <-- path to magic file
 
    Extra methods are not implmented in php's own 'finfo'
    .....................................................

    Set or overwrite/override magic file description
    set_magicDescription($key, $array);
 
    mime_class/sub_type
    get_mime_class()
    get_mime_subtype();
    
    Returns true if mime class is "text", also returns true on XML, CSS, JS, RTF, PHP.
    isTextualData();
 
 
 
 ----------------------------------------------------------------
 About me: http://ukj.pri.ee [email protected]

  Files folder image Files (17)  
File Role Description
Files folder imagedir (11 files)
Plain text file class.finfo.php Class methods to try guess file type
Accessible without login Plain text file example.multipleFiles.php Example Lists directory files and their mime types
Accessible without login Plain text file example.myMagicDef.php Aux. Shows how to add or replace magic pattern
Accessible without login Plain text file loader.finfo.php Aux. loads finfo class if needed
Accessible without login Plain text file readme.doc.txt Doc. About implementation specific features
Accessible without login Plain text file README.md Doc. Documentation

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