Corrected linting error messages

[GrahamCampbell]

The reason for the trimming of the error message and the prefix normalisation is because the PHP parser, when compiled on macos vs linux, has different error messages and also additional whitespace at the start:

 ✘ graham@Grahams-MacBook-Pro  ~  php -l test.php 

Parse error: syntax error, unexpected end of file, expecting '{' in test.php on line 4
Errors parsing test.php
 ✘ graham@Grahams-MacBook-Pro  ~  php -l test2.php

Fatal error: Multiple access type modifiers are not allowed in test2.php on line 5
 ✘ graham@Grahams-MacBook-Pro  ~  php74 -l test.php
PHP Parse error:  syntax error, unexpected end of file, expecting '{' in test.php on line 4
Errors parsing test.php
 ✘ graham@Grahams-MacBook-Pro  ~  php74 -l test2.php
PHP Fatal error:  Multiple access type modifiers are not allowed in test2.php on line 5

php is running macos php, and php74 is running in docker (linux).

[SpacePossum]

Thank you @GrahamCampbell.