w10schools
Login Register
  • Home
  • Tutorials
    • HTML, CSS
      • HTML, HTML5
      • CSS, CSS3
    • XML
    • JavaScript, AJAX
    • PHP
    • Ruby on Rails
      • Ruby
      • Rails
    • ASP.NET
      • ASP
      • C# .NET
    • Java
      • JSP
    • Databases
      • MySQL
      • MSSQL Server
      • Oracle
    • Web Server
      • Windows
      • Linux
      • Apache
      • IIS
    • Design
      • Dreamweaver
      • Flash
      • Photoshop
      • Fireworks
      • CorelDRAW
      • Illustrator
  • References
    • HTML
      • Bootstrap
    • CSS
      • CSS Selectors
      • Sass
    • JavaScript
    • Mobile Apps
      • Cordova
    • Ruby on Rails
      • Ruby
      • Rails
    • PHP
      • Function
      • Language
      • CodeIgniter
      • Phalcon
      • PHPUnit
      • Symfony
      • Drupal
      • Yii
      • Laravel
    • Perl
      • Perl
    • Python
      • Python
      • Django
      • NumPy
      • Pandas
      • scikit-image
      • scikit-learn
      • Statsmodels
      • Matplotlib
    • Lua
      • Lua
    • C, C++
      • C
      • C++
    • Server
      • Docker
      • Apache HTTP Server
      • Nginx
    • Database
      • PostgreSQL
    • Big Data
      • TensorFlow
    • Game Development
      • Phaser
      • LÖVE
  • Articles
    • News
    • General
      • Website Promotion
      • Online Advertising
      • Make Money Online
    • Editorials
    • Interviews
    • Web Roundups
  • Resources
    • Design
      • Fonts
      • Graphics
      • Vectors
      • Templates
      • UI (User Interface)
      • Brushes
      • Patterns, Backgrounds
      • Textures
    • Web Development
      • HTML, CSS
      • XML
      • JavaScript, AJAX
      • Ruby on Rails
      • PHP
      • Java
      • .NET
      • Python
      • Perl
      • Flash
    • Mobile Application Development
      • Mobile Development Tools
      • Swift
    • Online Services
      • Online Storage
      • Web Hosting
  • Tools
    • Generators
Edit
In Place Editing Advanced Editing
  • References
  • PHP
  • Symfony
  • Component
  • HttpFoundation
  • File

File::guessExtension()

string|null guessExtension()

Returns the extension based on the mime type.

If the mime type is unknown, returns null.

This method uses the mime type as guessed by getMimeType() to guess the file extension.

Return Value

string|null The guessed extension or null if it cannot be guessed

See also

ExtensionGuesser
getMimeType()
Links:
  • http://api.symfony.com/master/Symfony/Component/HttpFoundation/File/File.html#method_guessExtension
doc_Symfony
doc_Symfony
2025-01-10 15:47:30
Comments
Leave a Comment

Please login to continue.

Popular Articles
core.files.File.file file The underlying file object that this class wraps. Be careful with this attribute in subclasses. Some subclasses of File, including ContentFi
file_file_predelete file_file_predelete(File $file) Implements hook_ENTITY_TYPE_predelete() for file entities. File core/modules/file/file.module, line 942 Defines a "ma
file_file_download file_file_download($uri) Implements hook_file_download(). File core/modules/file/file.module, line 590 Defines a "managed_file" Form API field and a
generate_file_files generate_file_files() Instance Public methods Generate a documentation file for each file
FILE_CHMOD_FILE Default mode for new files. See drupal_chmod(). Deprecated in Drupal 8.0.x-dev, will be removed before Drupal 9.0.0. Use \Drupal\Core\File\FileSyst


Return to View
  • Facebook
  • Tweet
  • Digg it
  • Stumbleupon
  • Delicious
  • Plus Share

Designed by : w10schools

service@w10schools.com

Our Partners: aeeble – Providing content publishing and search solutions