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<?php $array = [[5, 6], [1, 2], [6, 5], [1, 2], [1 => 2, 0 => 1]]; var_export( array_unique($array, SORT_REGULAR) );
Output for 8.1.32, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
array ( 0 => array ( 0 => 5, 1 => 6, ), 1 => array ( 0 => 1, 1 => 2, ), 2 => array ( 0 => 6, 1 => 5, ), )
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.
preferences:
68.54 ms | 407 KiB | 5 Q