hphp/test/zend/good/ext/standard/tests/file/fopen_variation19.php

   1 <?hh
   2 /* Prototype  : resource fopen(string filename, string mode [, bool use_include_path [, resource context]])
   3  * Description: Open a file or a URL and return a file pointer
   4  * Source code: ext/standard/file.c
   5  * Alias to functions:
   6  */
   7
   8 function readFile2($file) {
   9    $h = fopen($file, 'r');
  10    fpassthru($h);
  11    fclose($h);
  12    echo "\n";
  13 }
  14
  15 function appendFile($file) {
  16    $h = fopen($file, 'a+');
  17    fwrite($h, ' again!');
  18    fseek($h, 0);
  19    fpassthru($h);
  20    fclose($h);
  21    echo "\n";
  22 }
  23
  24 function writeFile($file) {
  25    $h = fopen($file, 'w');
  26    fwrite($h, 'Goodbye World');
  27    fclose($h);
  28    readFile2($file);
  29 }
  30 <<__EntryPoint>> function main(): void {
  31 $tmpDir = __SystemLib\hphp_test_tmppath('fopenVar19.Dir');
  32 $realFilename = basename(__FILE__).'.real';
  33 $sortFilename = basename(__FILE__).'.soft';
  34 $hardFilename = basename(__FILE__).'.hard';
  35 $linkOfLink = basename(__FILE__).'.soft2';
  36
  37 echo "*** Testing fopen() : variation ***\n";
  38 // start the test
  39 mkdir($tmpDir);
  40 $oldDirPath = getcwd();
  41 chdir($tmpDir);
  42
  43 $h = fopen($realFilename, "w");
  44 fwrite($h, "Hello World");
  45 fclose($h);
  46
  47 symlink($realFilename, $sortFilename);
  48 symlink($sortFilename, $linkOfLink);
  49 link($realFilename, $hardFilename);
  50
  51
  52
  53 echo "*** testing reading of links ***\n";
  54 echo "soft link:";
  55 readFile2($sortFilename);
  56 echo "hard link:";
  57 readFile2($hardFilename);
  58 echo "link of link:";
  59 readFile2($linkOfLink);
  60
  61 echo "*** test appending to links ***\n";
  62 echo "soft link:";
  63 appendFile($sortFilename);
  64 echo "hard link:";
  65 appendFile($hardFilename);
  66 echo "link of link:";
  67 appendFile($linkOfLink);
  68
  69 echo "*** test overwriting links ***\n";
  70 echo "soft link:";
  71 writeFile($sortFilename);
  72 echo "hard link:";
  73 writeFile($hardFilename);
  74 echo "link of link:";
  75 writeFile($linkOfLink);
  76
  77 unlink($linkOfLink);
  78 unlink($sortFilename);
  79 unlink($hardFilename);
  80 unlink($realFilename);
  81 chdir($oldDirPath);
  82 rmdir($tmpDir);
  83
  84 echo "===DONE===\n";
  85 }