Related functions are grouped together in the various sections of the PHP manual. Besides the core sections, there are sections which are optional. So what you get in your version of PHP depends on how it was built. There is a function called phpinfo that can be used to determine what is available in the version of PHP you are using:
0091: <HTML><BODY> 0092: <?php 0093: phpinfo(); 0094: ?> 0095: </BODY></HTML>Go to the script at: http://www.dur.ac.uk/barry.cornelius/papers/phpintro/code/phpinfo.php