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   1  <?php
   2  /*
   3   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   4   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   5   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   6   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   7   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   8   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   9   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  10   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  11   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  12   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  13   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14   *
  15   * This software consists of voluntary contributions made by many individuals
  16   * and is licensed under the MIT license.
  17   */
  18  
  19  namespace ProxyManager\Generator\Util;
  20  
  21  /**
  22   * Utility class capable of generating unique
  23   * valid class/property/method identifiers
  24   *
  25   * @author Marco Pivetta <ocramius@gmail.com>
  26   * @license MIT
  27   */
  28  abstract class UniqueIdentifierGenerator
  29  {
  30      const VALID_IDENTIFIER_FORMAT = '/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]+$/';
  31      const DEFAULT_IDENTIFIER = 'g';
  32  
  33      /**
  34       * Generates a valid unique identifier from the given name
  35       *
  36       * @param string $name
  37       *
  38       * @return string
  39       */
  40      public static function getIdentifier($name)
  41      {
  42          return str_replace(
  43              '.',
  44              '',
  45              uniqid(
  46                  preg_match(static::VALID_IDENTIFIER_FORMAT, $name)
  47                  ? $name
  48                  : static::DEFAULT_IDENTIFIER,
  49                  true
  50              )
  51          );
  52      }
  53  }