hphp/test/zend/bad/ext-standard-strings/substr_count_variation_001.php

   1 <?php
   2
   3 echo "\n*** Testing possible variations ***\n";
   4 echo "-- 3rd or 4th arg as string --\n";
   5 $str = "this is a string";
   6 var_dump( substr_count($str, "t", "5") );
   7 var_dump( substr_count($str, "t", "5", "10") );
   8 var_dump( substr_count($str, "i", "5t") );
   9 var_dump( substr_count($str, "i", "5t", "10t") );
  10
  11 echo "\n-- 3rd or 4th arg as NULL --\n";
  12 var_dump( substr_count($str, "t", "") );
  13 var_dump( substr_count($str, "T", "") );
  14 var_dump( substr_count($str, "t", "", 15) );
  15 var_dump( substr_count($str, "I", NULL) );
  16 var_dump( substr_count($str, "i", NULL, 10) );
  17
  18 echo "\n-- overlapped substrings --\n";
  19 var_dump( substr_count("abcabcabcabcabc", "abca") );
  20 var_dump( substr_count("abcabcabcabcabc", "abca", 2) );
  21
  22 echo "\n-- complex strings containing other than 7-bit chars --\n";
  23 $str = chr(128).chr(129).chr(128).chr(256).chr(255).chr(254).chr(255);
  24 var_dump(substr_count($str, chr(128)));
  25 var_dump(substr_count($str, chr(255)));
  26 var_dump(substr_count($str, chr(256)));
  27
  28 echo "\n-- heredoc string --\n";
  29 $string = <<<EOD
  30 abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
  31 abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
  32 acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
  33 acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
  34 abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
  35 abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
  36 abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
  37 abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
  38 EOD;
  39 var_dump(substr_count($string, "abcd"));
  40 var_dump(substr_count($string, "1234"));
  41
  42 echo "\n-- heredoc null string --\n";
  43 $str = <<<EOD
  44 EOD;
  45 var_dump(substr_count($str, "\0"));
  46 var_dump(substr_count($str, "\x000"));
  47 var_dump(substr_count($str, "0"));
  48
  49 echo "Done\n";
  50
  51 ?>