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<?php $array = [ ['array-5', 0], ['array-7', -.5], ['array-4', 0], ['array-1',-1], ['array-3', 2], ['array-6', .5], ['array-2', 3], ['array-8', -2] ]; usort( $array, fn($a, $b) => [$b[1] < 0, abs($b[1])] <=> [$a[1] < 0, abs($a[1])] ); var_export($array);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => array ( 0 => 'array-8', 1 => -2, ), 1 => array ( 0 => 'array-1', 1 => -1, ), 2 => array ( 0 => 'array-7', 1 => -0.5, ), 3 => array ( 0 => 'array-2', 1 => 3, ), 4 => array ( 0 => 'array-3', 1 => 2, ), 5 => array ( 0 => 'array-6', 1 => 0.5, ), 6 => array ( 0 => 'array-5', 1 => 0, ), 7 => array ( 0 => 'array-4', 1 => 0, ), )

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