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 8.5% of the 9193 total user notes.
Notes | Page -------+--------------------------------------------------------- 44 | http://php.net/manual/en/language.oop.php 43 | http://php.net/manual/en/function.date.php 41 | http://php.net/manual/en/ref.java.php 41 | http://php.net/manual/en/function.header.php 41 | http://php.net/manual/en/function.imagecopyresized.php 41 | http://php.net/manual/en/ref.oci8.php 41 | http://php.net/manual/en/function.mail.php 40 | http://php.net/manual/en/ref.exec.php 39 | http://php.net/manual/en/function.substr.php 39 | http://php.net/manual/en/language.types.array.php 38 | http://php.net/manual/en/function.imagettftext.php 38 | http://php.net/manual/en/function.fsockopen.php 38 | http://php.net/manual/en/function.imagecopyresampled.php 37 | http://php.net/manual/en/function.array.php 37 | http://php.net/manual/en/language.variables.scope.php 37 | http://php.net/manual/en/function.ereg-replace.php 37 | http://php.net/manual/en/function.sort.php 37 | http://php.net/manual/en/function.readdir.php 37 | http://php.net/manual/en/function.wordwrap.php 37 | http://php.net/manual/en/ref.com.php