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 7.8% of the 20100 total user notes.
Notes | Page -------+--------------------------------------------------------- 106 | http://php.net/manual/en/ref.session.php 94 | http://php.net/manual/en/function.mssql-connect.php 89 | http://php.net/manual/en/ref.image.php 86 | http://php.net/manual/en/function.fsockopen.php 85 | http://php.net/manual/en/function.date.php 79 | http://php.net/manual/en/function.header.php 78 | http://php.net/manual/en/install.windows.php 78 | http://php.net/manual/en/ref.mail.php 77 | http://php.net/manual/en/ref.curl.php 74 | http://php.net/manual/en/function.exec.php 74 | http://php.net/manual/en/ref.mssql.php 73 | http://php.net/manual/en/ref.com.php 72 | http://php.net/manual/en/language.variables.scope.php 72 | http://php.net/manual/en/function.strpos.php 72 | http://php.net/manual/en/function.strip-tags.php 71 | http://php.net/manual/en/function.fgetcsv.php 71 | http://php.net/manual/en/function.round.php 71 | http://php.net/manual/en/function.flock.php 70 | http://php.net/manual/en/features.file-upload.php 70 | http://php.net/manual/en/function.serialize.php