Description:
------------
---
From manual page: http://www.php.net/function.substr-count#Description
---
substr_count cannot find a newline when in a string with a carriage 
return and newline right after eachother

Test script:
---------------
<?php
echo substr_count("\n", "\n");
echo substr_count("\n", "\r\n");
echo substr_count('
', "\r\n");
//I've changed the following simple string in my script so it only holds a newline character
echo substr_count('
', "\n");
//I've changed the following simple string in my script so it only holds a newline character
echo substr_count("\n", '
');
echo substr_count("\n", '
');
echo substr_count('
', '
');
?>

Expected result:
----------------
1111111

Actual result:
--------------
1011101