Class ExtensionGuesser

A singleton mime type to file extension guesser.

A default guesser is provided. You can register custom guessers by calling the register() method on the singleton instance: $guesser = ExtensionGuesser::getInstance(); $guesser->register(new MyCustomExtensionGuesser());

The last registered guesser is preferred over previously registered ones.

Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesser implements Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesserInterface

Namespace: Symfony\Component\HttpFoundation\File\MimeType
Located at File/MimeType/ExtensionGuesser.php

Methods summary
`public static Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesser`	# `getInstance( )` Returns the singleton instance. Returns the singleton instance. Returns `Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesser`
`public`	# `register( Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesserInterface $guesser )` Registers a new extension guesser. Registers a new extension guesser. When guessing, this guesser is preferred over previously registered ones. Parameters `$guesser`
`public string`	# `guess( string $mimeType )` Tries to guess the extension. Tries to guess the extension. The mime type is passed to each registered mime type guesser in reverse order of their registration (last registered is queried first). Once a guesser returns a value that is not NULL, this method terminates and returns the value. Parameters `$mimeType` The mime type Returns string The guessed extension or NULL, if none could be guessed Implementation of `Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesserInterface::guess()`

Properties summary
`protected array`	`$guessers` All registered ExtensionGuesserInterface instances. All registered ExtensionGuesserInterface instances.	# `array()`

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Class ExtensionGuesser

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Implementation of