vendor/ezyang/htmlpurifier/extras/FSTools/File.php

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<?php

/**
 * Represents a file in the filesystem
 *
 * @warning Be sure to distinguish between get() and write() versus
 *      read() and put(), the former operates on the entire file, while
 *      the latter operates on a handle.
 */
class FSTools_File
{

    /** Filename of file this object represents */
    protected $name;

    /** Handle for the file */
    protected $handle = false;

    /** Instance of FSTools for interfacing with filesystem */
    protected $fs;

    /**
     * Filename of file you wish to instantiate.
     * @note This file need not exist
     */
    public function __construct($name, $fs = false)
    {
        $this->name = $name;
        $this->fs = $fs ? $fs : FSTools::singleton();
    }

    /** Returns the filename of the file. */
    public function getName() {return $this->name;}

    /** Returns directory of the file without trailing slash */
    public function getDirectory() {return $this->fs->dirname($this->name);}

    /**
     * Retrieves the contents of a file
     * @todo Throw an exception if file doesn't exist
     */
    public function get()
    {
        return $this->fs->file_get_contents($this->name);
    }

    /** Writes contents to a file, creates new file if necessary */
    public function write($contents)
    {
        return $this->fs->file_put_contents($this->name, $contents);
    }

    /** Deletes the file */
    public function delete()
    {
        return $this->fs->unlink($this->name);
    }

    /** Returns true if file exists and is a file. */
    public function exists()