note 58871 added to language.variables

Being new to PHP and old to PERL, does PHP have anything similar to "use strict;" to disable implicit variable declaration? If so, this there a method to define variables? ---- Manual Page -- http://www.php.net/manual/en/language.variables.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+58871 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+58871&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+58871&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+58871&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+58871&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+58871&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+58871&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+58871&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+58871&report=yes Search -- http://master.php.net/manage/user-notes.php