php - how to display particular array combination? -

i want display following array in output 246,357 donot process first subarray , remaining subarray combination should $array[1][0].$array[2][0].$array[3][0],similarly combination should $array[1][1].$array[2][1].$array[3][1]

$array=[           [0,1],           [2,3],           [4,5],           [6,7]        ]; 

i have written follwing code not bypass first subarray output 0246,1357.plz help.

foreach($array $n) {     $a.=$n[0];     $b.=$n[1]; } echo "$a".","."$b"; 

one way skip first element use flag variable $first:

$first = true; foreach ($array $n) {     if ($first) {         $first = false;     } else {         $a .= $n[0];         $b .= $n[1];     } } 

another way remove first element array, skipped over:

unset($array[0]); 

or check key within foreach loop:

foreach ($array $k => $n) {     if ($k > 0) {         $a .= $n[0];         $b .= $n[1];     } } 

yet way use array_shift(), changes numeric keys in addition removing first element:

array_shift($array); 

finally, because array contains consecutive integer keys starting 0, use normal loop:

for ($i = 1; $i < count($array); $i++) {     $a .= $array[$i][0];     $b .= $array[$i][1]; }