There are several hundred types of files, and quite a few of them have several file signatures associated with them. You can see a list of file signatures over here. Although inconsistent, this is our best bet in detecting file types reliably. As of PHP 5.
If you intend to allow only image uploads, then you can use the inbuilt getimagesize function to ensure that the user is actually uploading a valid image file. This functions returns false, if the file is not a valid image file.
If for some reason, you are not able to install Fileinfo, then you can still manually determine the file type by reading the first few bytes of a file and comparing them with known magic bytes associated with the particular file type.
When addding new detections, please make sure to provide at least one sample file. License Free Software, Hell Yeah!
Support on BMC Hey! Help us out with some cups of :coffee:! Files File Role Description src 1 directory tests 1 directory. Documentation php-semver-checker-git. Applications that use this package No pages of applications that use this class were specified. Copyright c Icontem For more information send a message to info at phpclasses dot org.
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Version Control. Download Rankings. This class can identify files via MIME type and file signatures. It can take the path of a given file and read the beginning of its contents to detect the type of file based on recognizing signatures of well known file types. Level 4. The file signature data FileSignatures. File Identifier is released under the GPL v. If you know an application of this package, send a message to the author to add a link here. Login Register. All class groups.
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