helpers\BaseFileHelper getMimeType()

getMimeType() public static method

Determines the MIME type of the specified file.

This method will first try to determine the MIME type based on finfo_open. If the fileinfo extension is not installed, it will fall back to getMimeTypeByExtension() when $checkExtension is true.

public static string getMimeType ( $file, $magicFile = null, $checkExtension = true )
$file	string	The file name.
$magicFile	string	Name of the optional magic database file (or alias), usually something like `/path/to/magic.mime`. This will be passed as the second parameter to finfo_open() when the `fileinfo` extension is installed. If the MIME type is being determined based via getMimeTypeByExtension() and this is null, it will use the file specified by $mimeMagicFile.
$checkExtension	boolean	Whether to use the file extension to determine the MIME type in case `finfo_open()` cannot determine it.
return	string	The MIME type (e.g. `text/plain`). Null is returned if the MIME type cannot be determined.
throws	yii\base\InvalidConfigException	when the `fileinfo` PHP extension is not installed and `$checkExtension` is `false`.

Links:

http://www.yiiframework.com/doc-2.0/yii-helpers-basefilehelper.html#getMimeType()-detail

doc_Yii

2016-10-30 17:04:44

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