Following are the top 20 pages of the manual, sorted by the number of user notes contributed. These sections could use a polish, those notes represent 8.9% of the 14123 total user notes.
Notes | Page -------+--------------------------------------------------------- 88 | http://php.net/manual/en/function.header.php 78 | http://php.net/manual/en/function.preg-replace.php 77 | http://php.net/manual/en/ref.xml.php 72 | http://php.net/manual/en/ref.image.php 68 | http://php.net/manual/en/ref.session.php 66 | http://php.net/manual/en/function.mktime.php 63 | http://php.net/manual/en/reserved.variables.php 61 | http://php.net/manual/en/function.mssql-connect.php 61 | http://php.net/manual/en/features.file-upload.php 60 | http://php.net/manual/en/function.fsockopen.php 60 | http://php.net/manual/en/function.strtotime.php 59 | http://php.net/manual/en/function.readdir.php 58 | http://php.net/manual/en/function.explode.php 57 | http://php.net/manual/en/ref.com.php 57 | http://php.net/manual/en/function.strpos.php 56 | http://php.net/manual/en/function.str-replace.php 53 | http://php.net/manual/en/function.in-array.php 53 | http://php.net/manual/en/function.serialize.php 52 | http://php.net/manual/en/ref.exec.php 52 | http://php.net/manual/en/function.substr.php
