hphp/test/zend/good/ext/iconv/tests/iconv_substr_basic.php

   1 <?hh
   2 /* Prototype  : string iconv_substr(string str, int offset, [int length, string charset])
   3  * Description: Returns part of a string
   4  * Source code: ext/iconv/iconv.c
   5  */
   6
   7 /*
   8  * Test Basic Functionality of iconv_substr with ASCII characters and multibyte strings.
   9  */
  10 <<__EntryPoint>> function main(): void {
  11 echo "*** Testing iconv_substr() : basic functionality ***\n";
  12
  13 $string_ascii = b'ABCDEF';
  14 //Japanese string in UTF-8
  15 $string_mb = base64_decode(b'5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII=');
  16
  17 echo "\n-- ASCII string 1 --\n";
  18 var_dump(bin2hex(iconv_substr($string_ascii, 3)));
  19
  20 echo "\n-- ASCII string 2 --\n";
  21 var_dump(bin2hex(iconv_substr($string_ascii, 3, 5, 'ISO-8859-1')));
  22
  23 echo "\n-- Multibyte string 1 --\n";
  24 $result_1 = iconv_substr($string_mb, 2, 7);
  25 var_dump(bin2hex($result_1));
  26
  27 echo "\n-- Multibyte string 2 --\n";
  28 $result_2 = iconv_substr($string_mb, 2, 7, 'utf-8');
  29 var_dump(bin2hex($result_2));
  30
  31 echo "Done";
  32 }