[wp-trac] [WordPress Trac] #10204: Switch to using isset and typed comparison rather than empty

[WordPress Trac]

#10204: Switch to using isset and typed comparison rather than empty
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 Reporter:  Denis-de-Bernardy  |       Owner:                
     Type:  enhancement        |      Status:  new           
 Priority:  normal             |   Milestone:  Future Release
Component:  General            |     Version:  2.8           
 Severity:  normal             |    Keywords:                
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 There are multitudes of areas in WP where we're using empty to test for a
 variable, and where we'd be better of testing for isset($var) && $var !==
 false instead.

 It is a tad bit faster, and it prevents bugs along the lines of #10203

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Ticket URL: <http://core.trac.wordpress.org/ticket/10204>
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