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<?php function twoNumberSum ( $inputArray, $targetSum ) { $res = []; foreach($inputArray as $i => $firstVal){ array_shift($inputArray); foreach($inputArray as $secVal){ if ( $firstVal + $secVal == $targetSum ) { $res[] = [$firstVal,$secVal] ; } } } return $res; } $numArray = [3,5,-4,8,11,1,-1,6]; $targetSum = 4; var_export( twoNumberSum( $numArray, $targetSum ) );
Output for 7.4.0 - 7.4.33, 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 => 3, 1 => 1, ), 1 => array ( 0 => 5, 1 => -1, ), 2 => array ( 0 => -4, 1 => 8, ), )
preferences:
108.02 ms | 407 KiB | 5 Q