1--TEST-- 2Test mb_substr_count() function : variation - pass a $needle that overlaps in $haystack 3--SKIPIF-- 4<?php 5extension_loaded('mbstring') or die('skip'); 6function_exists('mb_substr_count') or die("skip mb_substr_count() is not available in this build"); 7?> 8--FILE-- 9<?php 10/* Prototype : int mb_substr_count(string $haystack, string $needle [, string $encoding]) 11 * Description: Count the number of substring occurrences 12 * Source code: ext/mbstring/mbstring.c 13 */ 14 15/* 16 * Pass mb_substr_count() a $needle that overlaps in $haystack and see whether 17 * it counts only the first occurrence or all other occurrences regardless whether they 18 * were part of previous match 19 */ 20 21echo "*** Testing mb_substr_count() : usage variations ***\n"; 22 23 24echo "\n-- ASCII String --\n"; 25$string_ascii = 'abcabcabc'; 26var_dump(mb_substr_count($string_ascii, 'abcabc')); //needle overlaps in haystack 27 28echo "\n-- Multibyte String --\n"; 29$string_mb = base64_decode('5pel5pys6Kqe5pel5pys6Kqe5pel5pys6Kqe'); 30$needle_mb = base64_decode('5pel5pys6Kqe5pel5pys6Kqe'); 31var_dump(mb_substr_count($string_mb, $needle_mb, 'utf-8')); 32 33 34echo "Done"; 35?> 36--EXPECTF-- 37*** Testing mb_substr_count() : usage variations *** 38 39-- ASCII String -- 40int(1) 41 42-- Multibyte String -- 43int(1) 44Done 45