[wp-trac] [WordPress Trac] #36210: $table_prefix should default to "wp_"

[WordPress Trac]

#36210: $table_prefix should default to "wp_"
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 Reporter:  Shelob9      |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  General      |    Version:
 Severity:  normal       |   Keywords:
  Focuses:               |
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 Currently failing to specify a table prefix causes WordPress to not load.
 Since users of all levels are often encouraged to edit wp-config.php, it
 could get accidentally removed. In fact, since everything else in wp-
 config is a constant, the variable definition there looks wrong.

 So, I propose that "wp_" be used as a default prefix, since it effectively
 is already. If the site doesn't have any wp_ prefixed tables, then they
 will still get the same errors, but this could prevent a lot of sites
 breaking for a simple reason.

 I am attaching a patch that, inside of `WPDB::set_prefix()`, resets the
 value of the `$prefix` argument to "wp_" if it is empty and we are not in
 multisite.

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Ticket URL: <https://core.trac.wordpress.org/ticket/36210>
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