/**
 * Get the file extension from a file path.
 *
 * @return string The extension of a given file.
 */
public function extension(): string

Examples

$result = $filesystem->file('/foo/1.txt')->extension();

echo $result;

The above example will output:

txt
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Getting Started

Methods

Filesystem
  • directory Create a Directory instance.
  • file Create a File instance.
  • find Create a File instance.
  • glob Find path names matching a given pattern.
  • isAbsolute Determine if the given path is absolute path.
  • isStream Determine if the given path is a stream path.
  • isWindowsPath Determine if the given path is absolute path.
File
  • append Append to a file.
  • basename Get the trailing name component from a file path.
  • chmod Get/Set UNIX mode of a file.
  • copy Copy a file to a new location.
  • delete Delete the file at a given path.
  • exists Checks the existence of file and returns false if any of them is missing.
  • extension Get the file extension from a file path.
  • get Get the contents of a file.
  • hash Get the MD5 hash of the file at the given path.
  • isFile Determine if the given path is a regular file.
  • isReadable Determine if the given path is readable.
  • isWritable Determine if the given path is writable.
  • lastAccess Get the file's last access time.
  • lastModified Get the file's last modification time.
  • mimeType Get the mime-type of a given file.
  • move Move a file to a new location.
  • name Get the file name from a file path.
  • path Return current path.
  • prepend Prepend to a file.
  • put Write the contents of a file.
  • size Gets file size in bytes.
  • type Get the file type of a given file.
Directory
  • chmod Get/Set UNIX mode of a directory.
  • clean Empty the specified directory of all files and directories.
  • copy Copy a directory from one location to another.
  • create Create a directory.
  • delete Delete a directory.
  • exists Checks the existence of directory and returns false if any of them is missing.
  • isDirectory Determine if the given path is a directory.
  • move Move a directory.
  • path Return current path.
  • size Gets size of a given directory in bytes.