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MIF_E31222691
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added File::is method for accurately determining file type.

This commit is contained in:
Taylor Otwell 2011-06-26 12:26:15 -05:00
parent 8ccf789b01
commit 6f5aca8d48
1 changed files with 20 additions and 1 deletions
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21
system/file.php
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@ -39,7 +39,7 @@ class File {
'dvi' => 'application/x-dvi', 'dvi' => 'application/x-dvi',
'gtar' => 'application/x-gtar', 'gtar' => 'application/x-gtar',
'gz' => 'application/x-gzip', 'gz' => 'application/x-gzip',
'php' => 'application/x-httpd-php', 'php' => array('application/x-httpd-php', 'text/x-php'),
'php4' => 'application/x-httpd-php', 'php4' => 'application/x-httpd-php',
'php3' => 'application/x-httpd-php', 'php3' => 'application/x-httpd-php',
'phtml' => 'application/x-httpd-php', 'phtml' => 'application/x-httpd-php',
@ -136,6 +136,25 @@ public static function append($path, $data)
return file_put_contents($path, $data, LOCK_EX | FILE_APPEND); return file_put_contents($path, $data, LOCK_EX | FILE_APPEND);
} }
/**
* Determine if a file is a given type.
*
* The Fileinfo PHP extension will be used to determine the MIME
* type of the file. Any extension in the File::$mimes array may
* be passed as a type.
*/
public static function is($extension, $path)
{
if ( ! array_key_exists($extension, static::$mimes))
{
throw new \Exception("File extension [$extension] is unknown. Cannot determine file type.");
}
$mime = finfo_file(finfo_open(FILEINFO_MIME_TYPE), $path);
return (is_array(static::$mimes[$extension])) ? in_array($mime, static::$mimes[$extension]) : $mime === static::$mimes[$extension];
}
/** /**
* Extract the extension from a file path. * Extract the extension from a file path.
* *