Counting the occurrence of a character in a string

[gdog]

Hey,

I am just trying to count the number of occurrences of a character in a string e.g.

How many times does "a" appear in "Do you want an email notification of replies?"

Is there a PHP function that does this?

Thanks
G

[Birdman]

Hello,

Welcome to Webmaster World!

substr_count() [php.net] will do it for you.

PHP Manual Index [php.net]