Add, sort by # of editors needed, with <PHP 5.4 compliance (fixes #50 again)

This reverts commit e117075836d388df6f16aa021784e0bd51fcb9a9.
Before PHP 5.4, the array result must be assigned to a variable before
the syntax allows it to be dereferenced.
See commit c6bbaf9e9b7367bf178e09e8ff4818e757781e0e for other notes.