hphp/test/zend/good/ext/standard/tests/file/is_file_variation1.php

   1 <?hh
   2 /* Prototype: bool is_file ( string $filename );
   3    Description: Tells whether the filename is a regular file
   4      Returns TRUE if the filename exists and is a regular file
   5 */
   6
   7 /* Testing is_file() with file containing data, truncating its size
   8      and the file created by touch() */
   9 <<__EntryPoint>> function main(): void {
  10
  11 echo "-- Testing is_file() with file containing data --\n";
  12 $filename = __SystemLib\hphp_test_tmppath('is_file_variation1.tmp');
  13 $file_handle = fopen($filename, "w" );
  14 fwrite( $file_handle, "Hello, world....." ); // exptected true
  15 fclose($file_handle);
  16 var_dump( is_file($filename) );
  17 clearstatcache();
  18
  19 echo "\n-- Testing is_file() after truncating filesize to zero bytes --\n";
  20 $file_handle = fopen($filename, "r");
  21 ftruncate($file_handle, 0);
  22 fclose($file_handle);
  23 var_dump( is_file($filename) ); // expected true
  24 clearstatcache();
  25 unlink($filename);
  26
  27 echo "\n-- Testing is_file() with an empty file --\n";
  28 /* created by fopen() */
  29 fclose( fopen($filename, "w") );
  30 var_dump( is_file($filename) );  //expected true
  31 clearstatcache();
  32 unlink($filename);
  33
  34 /* created by touch() */
  35 touch($filename);
  36 var_dump( is_file($filename) ); // expected true
  37 clearstatcache();
  38 unlink($filename);
  39
  40 echo "\n*** Done ***";
  41 }