[wp-trac] [WordPress Trac] #29642: Support complex (nested, multiple relation) queries in WP_Meta_Query

[WordPress Trac]

#29642: Support complex (nested, multiple relation) queries in WP_Meta_Query
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 Reporter:  boonebgorges            |       Owner:
     Type:  enhancement             |      Status:  reviewing
 Priority:  normal                  |   Milestone:  4.1
Component:  Options, Meta APIs      |     Version:
 Severity:  normal                  |  Resolution:
 Keywords:  has-patch dev-feedback  |     Focuses:
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Comment (by jorbin):

 This is causing the Tests_Meta_Query::test_invalid_query_clauses test to
 fail on php 5.2 and 5.3

 see: https://travis-ci.org/aaronjorbin/develop.wordpress/jobs/37875073 and
 https://travis-ci.org/aaronjorbin/develop.wordpress/jobs/37875072

 The above patch fixes this.  The issue comes down to the fact that in php
 changed isset in 5.4 to cause "Checking non-numeric offsets of strings now
 returns FALSE."  see http://php.net/manual/en/function.isset.php

 We thus need to explicitly exclude non arrays.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29642#comment:16>
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