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<?php $array = [ ['x' => 0.5, 'y' => 23], ['x' => 23, 'y' => 21.75], ['x' => 14.25, 'y' => 21.875], ['x' => 19.375, 'y' => 21.75], ['x' => 9.125, 'y' => 21.875], ['x' => 23, 'y' => 19.625], ['x' => 19.375, 'y' => 19.625], ]; foreach ($array as $row) { if (!isset($result['#' . $row['y']])) { $result['#' . $row['y']] = $row; } } var_export(array_values($result));
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array ( 0 => array ( 'x' => 0.5, 'y' => 23, ), 1 => array ( 'x' => 23, 'y' => 21.75, ), 2 => array ( 'x' => 14.25, 'y' => 21.875, ), 3 => array ( 'x' => 23, 'y' => 19.625, ), )
preferences:
122.27 ms | 403 KiB | 184 Q