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 7.3% of the 20776 total user notes.
Notes | Page -------+--------------------------------------------------------- 88 | http://php.net/manual/en/function.mssql-connect.php 85 | http://php.net/manual/en/function.header.php 83 | http://php.net/manual/en/function.round.php 80 | http://php.net/manual/en/function.htmlentities.php 80 | http://php.net/manual/en/ref.curl.php 79 | http://php.net/manual/en/ref.mail.php 77 | http://php.net/manual/en/function.exec.php 76 | http://php.net/manual/en/function.fgetcsv.php 75 | http://php.net/manual/en/function.strpos.php 74 | http://php.net/manual/en/ref.simplexml.php 74 | http://php.net/manual/en/ref.mssql.php 73 | http://php.net/manual/en/function.flock.php 73 | http://php.net/manual/en/ref.com.php 73 | http://php.net/manual/en/function.setcookie.php 73 | http://php.net/manual/en/function.wordwrap.php 73 | http://php.net/manual/en/language.variables.scope.php 73 | http://php.net/manual/en/features.file-upload.php 73 | http://php.net/manual/en/function.eval.php 73 | http://php.net/manual/en/function.strip-tags.php 71 | http://php.net/manual/en/function.date.php