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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <[email protected]>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\VarDumper\Caster;
  13  
  14  use Symfony\Component\VarDumper\Cloner\Stub;
  15  
  16  /**
  17   * Represents a PHP class identifier.
  18   *
  19   * @author Nicolas Grekas <[email protected]>
  20   */
  21  class ClassStub extends ConstStub
  22  {
  23      /**
  24       * @param string   $identifier A PHP identifier, e.g. a class, method, interface, etc. name
  25       * @param callable $callable   The callable targeted by the identifier when it is ambiguous or not a real PHP identifier
  26       */
  27      public function __construct(string $identifier, $callable = null)
  28      {
  29          $this->value = $identifier;
  30  
  31          try {
  32              if (null !== $callable) {
  33                  if ($callable instanceof \Closure) {
  34                      $r = new \ReflectionFunction($callable);
  35                  } elseif (\is_object($callable)) {
  36                      $r = [$callable, '__invoke'];
  37                  } elseif (\is_array($callable)) {
  38                      $r = $callable;
  39                  } elseif (false !== $i = strpos($callable, '::')) {
  40                      $r = [substr($callable, 0, $i), substr($callable, 2 + $i)];
  41                  } else {
  42                      $r = new \ReflectionFunction($callable);
  43                  }
  44              } elseif (0 < $i = strpos($identifier, '::') ?: strpos($identifier, '->')) {
  45                  $r = [substr($identifier, 0, $i), substr($identifier, 2 + $i)];
  46              } else {
  47                  $r = new \ReflectionClass($identifier);
  48              }
  49  
  50              if (\is_array($r)) {
  51                  try {
  52                      $r = new \ReflectionMethod($r[0], $r[1]);
  53                  } catch (\ReflectionException $e) {
  54                      $r = new \ReflectionClass($r[0]);
  55                  }
  56              }
  57  
  58              if (str_contains($identifier, "@anonymous\0")) {
  59                  $this->value = $identifier = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) {
  60                      return class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0];
  61                  }, $identifier);
  62              }
  63  
  64              if (null !== $callable && $r instanceof \ReflectionFunctionAbstract) {
  65                  $s = ReflectionCaster::castFunctionAbstract($r, [], new Stub(), true, Caster::EXCLUDE_VERBOSE);
  66                  $s = ReflectionCaster::getSignature($s);
  67  
  68                  if (str_ends_with($identifier, '()')) {
  69                      $this->value = substr_replace($identifier, $s, -2);
  70                  } else {
  71                      $this->value .= $s;
  72                  }
  73              }
  74          } catch (\ReflectionException $e) {
  75              return;
  76          } finally {
  77              if (0 < $i = strrpos($this->value, '\\')) {
  78                  $this->attr['ellipsis'] = \strlen($this->value) - $i;
  79                  $this->attr['ellipsis-type'] = 'class';
  80                  $this->attr['ellipsis-tail'] = 1;
  81              }
  82          }
  83  
  84          if ($f = $r->getFileName()) {
  85              $this->attr['file'] = $f;
  86              $this->attr['line'] = $r->getStartLine();
  87          }
  88      }
  89  
  90      public static function wrapCallable($callable)
  91      {
  92          if (\is_object($callable) || !\is_callable($callable)) {
  93              return $callable;
  94          }
  95  
  96          if (!\is_array($callable)) {
  97              $callable = new static($callable, $callable);
  98          } elseif (\is_string($callable[0])) {
  99              $callable[0] = new static($callable[0], $callable);
 100          } else {
 101              $callable[1] = new static($callable[1], $callable);
 102          }
 103  
 104          return $callable;
 105      }
 106  }