--TEST--
Test substr_count() function (basic)
--FILE--
<?php

echo "***Testing basic operations ***\n";
var_dump(@substr_count("", ""));
var_dump(@substr_count("a", ""));
var_dump(@substr_count("", "a"));
var_dump(@substr_count("", "a"));
var_dump(@substr_count("", chr(0)));

$a = str_repeat("abcacba", 100);
var_dump(@substr_count($a, "bca"));

$a = str_repeat("abcacbabca", 100);
var_dump(@substr_count($a, "bca"));
var_dump(substr_count($a, "bca", 200));
var_dump(substr_count($a, "bca", 200, 50));
var_dump(substr_count($a, "bca", -200));
var_dump(substr_count($a, "bca", -200, 50));
var_dump(substr_count($a, "bca", -200, -50));

echo "Done\n";

?>
--EXPECT--
***Testing basic operations ***
bool(false)
bool(false)
int(0)
int(0)
int(0)
int(100)
int(200)
int(160)
int(10)
int(40)
int(10)
int(30)
Done