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 9.3% of the 14934 total user notes.
Notes | Page -------+--------------------------------------------------------- 100 | http://php.net/manual/en/function.header.php 92 | http://php.net/manual/en/function.preg-replace.php 83 | http://php.net/manual/en/ref.xml.php 82 | http://php.net/manual/en/ref.session.php 75 | http://php.net/manual/en/function.mktime.php 74 | http://php.net/manual/en/ref.image.php 73 | http://php.net/manual/en/reserved.variables.php 68 | http://php.net/manual/en/function.strtotime.php 68 | http://php.net/manual/en/function.date.php 65 | http://php.net/manual/en/function.strpos.php 63 | http://php.net/manual/en/ref.com.php 63 | http://php.net/manual/en/function.fsockopen.php 62 | http://php.net/manual/en/features.file-upload.php 62 | http://php.net/manual/en/function.readdir.php 62 | http://php.net/manual/en/function.mssql-connect.php 61 | http://php.net/manual/en/ref.mail.php 60 | http://php.net/manual/en/function.str-replace.php 59 | http://php.net/manual/en/function.array-search.php 58 | http://php.net/manual/en/function.preg-match.php 58 | http://php.net/manual/en/function.in-array.php
