logic jawaban array_seacrh

gistfile1.php

<?php

$jawaban = ['batagor', 'b','tidaks'];

$pilihanJawabanSatu = ['gado-gado','siomay','bakso','batagor'];
$pilihanJawabanSatu2 = [
  ['gado-gado','siomay','bakso','batagor'],
  ['a','b','c'],
  ['ya','tidak']
  ];

if (in_array($jawaban[0], $pilihanJawabanSatu)) {

    $key = array_search($jawaban[0], $pilihanJawabanSatu);
    //echo "'siomay' was found\n";
    //echo "'siomay' index ke : ".$key."\n";

}else{
  //echo "not found\n";
}

//var_dump($pilihanJawabanSatu2[1][2]);

for ($i=0; $i < 3; $i++) {

  if (in_array($jawaban[$i], $pilihanJawabanSatu2[$i])) {
      $key = array_search($jawaban[$i], $pilihanJawabanSatu2[$i]);
      $jml = $key+1;
      echo $jawaban[$i]." index ke : ".$jml."\n";
  }else{
    echo "not found\n";
  }

}

if (in_array($jawaban[1], $pilihanJawabanSatu2[1])) {

    $key = array_search($jawaban[1], $pilihanJawabanSatu2[1]);
    $jml = $key+1;
    //echo "'siomay' was found\n";
    //echo "'siomay' index ke : ".$jml."\n";

}else{
  //echo "not found\n";
}

function find_car_with_position($cars, $position) {
    foreach($cars as $index => $car) {
        if($car['Position'] == $position) return $index;
    }
    return FALSE;
}

//var_dump($jawaban[0]);
//echo "string \n";