Apache

Invalid Command ‘Header’, Perhaps Misspelled or Defined by a Module Not Included in The Server Configuration

 

How to fix the ‘Header’ error in Apache 2, running Ubuntu. Features a quick-fix of enabling the headers module.

 

Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM

 

A linguistics lesson in Hebrew and a tutorial on the scope resolution operator, all bundled into one.