2004-01-28 02:52:58 +01:00
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<?php
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2008-01-04 21:05:07 +01:00
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/**
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* The WordPress version string
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*
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* @global string $wp_version
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*/
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In `wp_insert_term()`, clean up accidental duplicate terms after insert.
In [30056], the UNIQUE index was removed from the 'slug' column of `wp_terms`.
While we have numerous checks in place to avoid the creation of unwanted
duplicate term+term_taxonomy pairs, it's possible that in certain edge cases -
such as during the lag caused by database replication, or a race condition
involving near-simultaneous creation of more than one term - we'll end up
unwittingly inserting two identical rows.
The current changeset minimizes this risk by introducing a failsafe mechanism
into `wp_insert_term()`. After a term and term_taxonomy are INSERTed, we check
to see whether the term just created is a duplicate of an existing term; if so,
we delete the new one and keep the old one. This prevents problems caused by
replication lag, because SELECT queries that take place after an INSERT will
hit the master database; it mitigates race conditions by enforcing that the
term that was created first (ie, the one with the lowest `term_id`) is
always the "canonical" one.
Props nacin, markjaquith.
See #22023, #5809.
Built from https://develop.svn.wordpress.org/trunk@30238
git-svn-id: http://core.svn.wordpress.org/trunk@30238 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2014-11-05 02:00:24 +01:00
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$wp_version = '4.1-alpha-30238';
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2008-01-04 21:05:07 +01:00
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/**
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2008-06-24 19:45:33 +02:00
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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2008-01-04 21:05:07 +01:00
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*
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* @global int $wp_db_version
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*/
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2014-11-01 02:11:22 +01:00
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$wp_db_version = 30133;
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2004-01-28 02:52:58 +01:00
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2009-05-18 22:29:26 +02:00
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/**
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* Holds the TinyMCE version
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*
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* @global string $tinymce_version
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*/
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2014-10-23 04:08:20 +02:00
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$tinymce_version = '4106-20141022';
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2009-05-18 22:29:26 +02:00
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2009-12-17 19:46:19 +01:00
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/**
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* Holds the required PHP version
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*
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* @global string $required_php_version
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*/
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2011-03-21 19:30:56 +01:00
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$required_php_version = '5.2.4';
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2009-12-17 19:46:19 +01:00
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/**
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* Holds the required MySQL version
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*
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* @global string $required_mysql_version
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*/
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2011-03-21 19:30:56 +01:00
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$required_mysql_version = '5.0';
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