Fix several bugs of PHP parser rule for function list
1. Fix the function name gets truncated issue if function starts with reserved words (ie. if, while, for, switch...).
2. Fix abstact function and classes not recognized by parser rule.
3. Fix function detection fails on string containing asterisk issue.
Contributed by @MAPJe71 & @TutoInformatik :
https://community.notepad-plus-plus.org/topic/15124/php-function-list-and-abstract-functions/18?_=1604532045222
Fix #3321, fix #5045, fix #4627, fix #4606, fix #8855, fix #4208, fix #981, fix #2522, fix #1103, fix #4712, fix #3560, fix #5150, fix #4606, close #9102
8207084111