hphp/hack/test/typecheck/heredoc.php

   1 <?hh // partial
   2 /**
   3  * Copyright (c) 2014, Facebook, Inc.
   4  * All rights reserved.
   5  *
   6  * This source code is licensed under the MIT license found in the
   7  * LICENSE file in the "hack" directory of this source tree.
   8  *
   9  *
  10  */
  11
  12 $a = <<<END
  13 This is a heredoc.
  14 END;
  15
  16 print $a;
  17
  18 $interpolation = "an interpolated value";
  19
  20 $b = <<< END
  21 This is a heredoc with $interpolation.
  22 END;
  23
  24 $c = <<<END
  25    This one has whitespace and a misleading "end".
  26    END
  27 END;
  28
  29 $d = <<<END
  30 Words
  31 Words
  32 Words
  33 Words
  34 END;
  35
  36 class Test {
  37     public string $a;
  38
  39     public function __construct() {
  40         $this->a = 'A';
  41     }
  42
  43     public function __toString(): string {
  44         return '<Test>';
  45     }
  46 }
  47
  48 $test = new Test();
  49
  50 print <<<identifier_with_underscores_and_like_50_characters
  51   $test = <Test>
  52   $test->a = a
  53   \x41 = A
  54
  55 identifier_with_underscores_and_like_50_characters;