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<?php $venues = array( array( 'venue1' => 1, 'venue2' => 2, ), array( 'venue1' => 3, 'venue2' => 4, ), array ( 'venue1' => 2, 'venue2' => 1, ), array( 'venue1' => 5, 'venue2' => 6, ), ); $result = $pairs = $venues; array_walk($pairs, static fn(array &$value) => sort($value)); var_export($pairs); foreach ($pairs as $k => $pair) { if (count(array_keys($pairs, $pair)) > 1) { unset($result[$k]); } } var_export($result);
Output for 8.1.32, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1
array ( 0 => array ( 0 => 1, 1 => 2, ), 1 => array ( 0 => 3, 1 => 4, ), 2 => array ( 0 => 1, 1 => 2, ), 3 => array ( 0 => 5, 1 => 6, ), )array ( 1 => array ( 'venue1' => 3, 'venue2' => 4, ), 3 => array ( 'venue1' => 5, 'venue2' => 6, ), )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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