[wp-trac] [WordPress Trac] #30257: wpdb::get_var() returns NULL for existing values that are empty strings

[WordPress Trac]

#30257: wpdb::get_var() returns NULL for existing values that are empty strings
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 Reporter:  tyxla         |       Owner:
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  Database      |     Version:  0.71
 Severity:  normal        |  Resolution:  wontfix
 Keywords:  has-patch     |     Focuses:
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Comment (by tyxla):

 I understand, although this was not what I expected to be the conclusion
 here.

 Recently I performed a thorough research on the core and did not find a
 single location where this would break. I guess it might probably break
 something on a plugin or theme that expects this behavior.

 Anyway, I believe that this one wouldn't be the first or the last time
 where updates would be needed on themes and plugins, in order to make them
 compatible with the WordPress core. But if the main goal is keeping
 backward compatibility (and not squashing bugs), you guys are definitely
 right.

 Guess we have to stick with using `get_col()` and `get_row()`. Anyway,
 fixing that issue was worth a shot, at least I rest calm that I tried. :)

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Ticket URL: <https://core.trac.wordpress.org/ticket/30257#comment:8>
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