Returns the numeric position of the first occurrence of needle in the haystack string.
Tags:
return:
If needle is not found, stripos() will return boolean false.
Parameters:
object
$haystack
string
$needle
Note that the needle may be a string of one or more characters. If needle is not a string, it is converted to an integer and applied as the ordinal value of a character.
int
$offset
The optional offset parameter allows you to specify which character in haystack to start searching. The position returned is still relative to the beginning of haystack.
If a file has been cached, retrieve and display it.
This is most useful for caching images (get_favicon(), etc.), however it works for all cached files. This WILL NOT display ANY file/image/page/whatever, but rather only display what has already been cached by SimplePie.