PHP wp_is_stream函数代码示例

 private function sc_remove_double_slashes($path)
 {
     $wrapper = null;
     // Strip the protocol.
     if (wp_is_stream($path)) {
         list($wrapper, $path) = explode('://', $path, 2);
     }
     // From php.net/mkdir user contributed notes.
     $path = preg_replace('#\\\\{2,}#', '\\', trim($path, '\\'));
     $path = preg_replace('#/{2,}#', '/', $path);
     // Put the wrapper back on the target.
     if ($wrapper !== null) {
         $path = $wrapper . '://' . $path;
     }
     return $path;
 }

/**
 * Recursive directory creation based on full path.
 *
 * Will attempt to set permissions on folders.
 *
 * @since 2.0.1
 *
 * @param string $target Full path to attempt to create.
 * @return bool Whether the path was created. True if path already exists.
 */
function wp_mkdir_p($target)
{
    $wrapper = null;
    // Strip the protocol.
    if (wp_is_stream($target)) {
        list($wrapper, $target) = explode('://', $target, 2);
    }
    // From php.net/mkdir user contributed notes.
    $target = str_replace('//', '/', $target);
    // Put the wrapper back on the target.
    if ($wrapper !== null) {
        $target = $wrapper . '://' . $target;
    }
    /*
     * Safe mode fails with a trailing slash under certain PHP versions.
     * Use rtrim() instead of untrailingslashit to avoid formatting.php dependency.
     */
    $target = rtrim($target, '/');
    if (empty($target)) {
        $target = '/';
    }
    if (file_exists($target)) {
        return @is_dir($target);
    }
    // We need to find the permissions of the parent folder that exists and inherit that.
    $target_parent = dirname($target);
    while ('.' != $target_parent && !is_dir($target_parent)) {
        $target_parent = dirname($target_parent);
    }
    // Get the permission bits.
    if ($stat = @stat($target_parent)) {
        $dir_perms = $stat['mode'] & 07777;
    } else {
        $dir_perms = 0777;
    }
    if (@mkdir($target, $dir_perms, true)) {
        /*
         * If a umask is set that modifies $dir_perms, we'll have to re-set
         * the $dir_perms correctly with chmod()
         */
        if ($dir_perms != ($dir_perms & ~umask())) {
            $folder_parts = explode('/', substr($target, strlen($target_parent) + 1));
            for ($i = 1, $c = count($folder_parts); $i <= $c; $i++) {
                @chmod($target_parent . '/' . implode('/', array_slice($folder_parts, 0, $i)), $dir_perms);
            }
        }
        return true;
    }
    return false;
}

 /**
  * Either calls editor's save function or handles file as a stream.
  *
  * @since 3.5.0
  * @access protected
  *
  * @param string|stream $filename
  * @param callable $function
  * @param array $arguments
  * @return boolean
  */
 protected function make_image($filename, $function, $arguments)
 {
     if ($stream = wp_is_stream($filename)) {
         ob_start();
     } else {
         // The directory containing the original file may no longer exist when using a replication plugin.
         wp_mkdir_p(dirname($filename));
     }
     $result = call_user_func_array($function, $arguments);
     if ($result && $stream) {
         $contents = ob_get_contents();
         $fp = fopen($filename, 'w');
         if (!$fp) {
             return false;
         }
         fwrite($fp, $contents);
         fclose($fp);
     }
     if ($stream) {
         ob_end_clean();
     }
     return $result;
 }

/**
 * Recursive directory creation based on full path.
 *
 * Will attempt to set permissions on folders.
 *
 * @since 2.0.1
 *
 * @param string $target Full path to attempt to create.
 * @return bool Whether the path was created. True if path already exists.
 */
function wp_mkdir_p($target)
{
    $wrapper = null;
    // strip the protocol
    if (wp_is_stream($target)) {
        list($wrapper, $target) = explode('://', $target, 2);
    }
    // from php.net/mkdir user contributed notes
    $target = str_replace('//', '/', $target);
    // put the wrapper back on the target
    if ($wrapper !== null) {
        $target = $wrapper . '://' . $target;
    }
    // safe mode fails with a trailing slash under certain PHP versions.
    $target = rtrim($target, '/');
    // Use rtrim() instead of untrailingslashit to avoid formatting.php dependency.
    if (empty($target)) {
        $target = '/';
    }
    if (file_exists($target)) {
        return @is_dir($target);
    }
    // Attempting to create the directory may clutter up our display.
    if (@mkdir($target)) {
        $stat = @stat(dirname($target));
        $dir_perms = $stat['mode'] & 07777;
        // Get the permission bits.
        @chmod($target, $dir_perms);
        return true;
    } elseif (is_dir(dirname($target))) {
        return false;
    }
    // If the above failed, attempt to create the parent node, then try again.
    if ($target != '/' && wp_mkdir_p(dirname($target))) {
        return wp_mkdir_p($target);
    }
    return false;
}

 /**
  * Either calls editor's save function or handles file as a stream.
  *
  * @since 3.5.0
  * @access protected
  *
  * @param string|stream $filename
  * @param callable $function
  * @param array $arguments
  * @return boolean
  */
 protected function make_image($filename, $function, $arguments)
 {
     if (wp_is_stream($filename)) {
         $arguments[1] = null;
     }
     return parent::make_image($filename, $function, $arguments);
 }

 /**
  * Either calls editor's save function or handles file as a stream.
  *
  * @since 3.5.0
  * @access protected
  *
  * @param string|stream $filename
  * @param callable $function
  * @param array $arguments
  * @return boolean
  */
 protected function make_image($filename, $function, $arguments)
 {
     $dst_file = $filename;
     if ($stream = wp_is_stream($filename)) {
         $filename = null;
         ob_start();
     }
     $result = call_user_func_array($function, $arguments);
     if ($result && $stream) {
         $contents = ob_get_contents();
         $fp = fopen($dst_file, 'w');
         if (!$fp) {
             return false;
         }
         fwrite($fp, $contents);
         fclose($fp);
     }
     if ($stream) {
         ob_end_clean();
     }
     return $result;
 }

/**
 * Recursive directory creation based on full path.
 *
 * Will attempt to set permissions on folders.
 *
 * @since 2.0.1
 *
 * @param string $target Full path to attempt to create.
 * @return bool Whether the path was created. True if path already exists.
 */
function wp_mkdir_p($target)
{
    $wrapper = null;
    // strip the protocol
    if (wp_is_stream($target)) {
        list($wrapper, $target) = explode('://', $target, 2);
    }
    // from php.net/mkdir user contributed notes
    $target = str_replace('//', '/', $target);
    // put the wrapper back on the target
    if ($wrapper !== null) {
        $target = $wrapper . '://' . $target;
    }
    // safe mode fails with a trailing slash under certain PHP versions.
    $target = rtrim($target, '/');
    // Use rtrim() instead of untrailingslashit to avoid formatting.php dependency.
    if (empty($target)) {
        $target = '/';
    }
    if (file_exists($target)) {
        return @is_dir($target);
    }
    // We need to find the permissions of the parent folder that exists and inherit that.
    $target_parent = dirname($target);
    while ('.' != $target_parent && !is_dir($target_parent)) {
        $target_parent = dirname($target_parent);
    }
    // Get the permission bits.
    if ($target_parent && '.' != $target_parent) {
        $stat = @stat($target_parent);
        $dir_perms = $stat['mode'] & 07777;
    } else {
        $dir_perms = 0777;
    }
    if (@mkdir($target, $dir_perms, true)) {
        return true;
    }
    return false;
}