the variable is never used.
unused code segment
new variable used only once. So removed
added method PMA_getTableFields
unwanted require_once statement removed
added method PMA_determineInsertOrEdit
transfered to PMA_determineInsertOrEdit
added method PMA_getCommentsMap
can be done in a single place
added method PMA_getUrlParameters
can be done only once
updated the comment.
phpcs errors corrected
added back mistakenly removed require_once statement.
error corrected
Merge pull request #552 from scnakandala/refac_tbl_change

Refactoring tbl_change.php