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The HttpMessage class
PHP Manual

HttpMessage::guessContentType

(PECL pecl_http >= 1.0.0)

HttpMessage::guessContentType — Guess content type

Description

public string HttpMessage::guessContentType ( string $magic_file [, int $magic_mode=MAGIC_MIME ] )

Attempts to guess the content type of the message body through libmagic.

Parameters

magic_file

the magic.mime database to use

magic_mode

flags for libmagic

Return Values

Returns the guessed content type on success, or FALSE on failure.

Errors/Exceptions

Throws HttpRuntimeException, HttpInvalidParamException.

The HttpMessage class
PHP Manual