1--TEST-- 2Test substr_count() function (basic) 3--FILE-- 4<?php 5 6echo "***Testing basic operations ***\n"; 7var_dump(@substr_count("", "")); 8var_dump(@substr_count("a", "")); 9var_dump(@substr_count("", "a")); 10var_dump(@substr_count("", "a")); 11var_dump(@substr_count("", chr(0))); 12$a = str_repeat("abcacba", 100); 13var_dump(@substr_count($a, "bca")); 14$a = str_repeat("abcacbabca", 100); 15var_dump(@substr_count($a, "bca")); 16var_dump(substr_count($a, "bca", 200)); 17var_dump(substr_count($a, "bca", 200, 50)); 18 19echo "Done\n"; 20 21?> 22--EXPECTF-- 23***Testing basic operations *** 24bool(false) 25bool(false) 26int(0) 27int(0) 28int(0) 29int(100) 30int(200) 31int(160) 32int(10) 33Done 34