hphp/test/zend/good/ext-standard-strings/trim_basic.php

   1 <?php
   2
   3 /* Prototype  : string trim  ( string $str  [, string $charlist  ] )
   4  * Description: Strip whitespace (or other characters) from the beginning and end of a string.
   5  * Source code: ext/standard/string.c
   6 */
   7
   8 echo "*** Testing trim() : basic functionality ***\n";
   9
  10 $text  = "  \t\r\n\0\x0B  ---These are a few words---  \t\r\n\0\x0B  ";
  11 $hello  = "!===Hello World===!";
  12 $binary = "\x0A\x0DExample string\x0A\x0D";
  13
  14 echo "\n-- Trim string with all white space characters --\n";
  15 var_dump(trim($text));
  16
  17 echo "\n-- Trim non-whitespace from a string --\n";
  18 var_dump(trim($hello, "=!"));
  19
  20 echo "\n-- Trim some non-white space characters from a string --\n";
  21 var_dump(trim($hello, "Hdle"));
  22
  23 echo "\n-- Trim the ASCII control characters at the beginning of a string --\n";
  24 var_dump(trim($binary, "\x00..\x1F"));
  25
  26 ?>
  27 ===DONE===