<?php
add_shortcode( 'pola_tarung', 'pola_tarung' );
function pola_tarung(){ob_start();
include('fungsi.php');
$jadi = '';    
if (isset($_POST['submit'])){
$str1 = substr($_POST['as'], 0, 10);
$str2 = substr($_POST['kop'], 0, 10);
$str3 = substr($_POST['kepala'], 0, 10);
$str4 = substr($_POST['ekor'], 0, 10);
$pisah = $_POST['pemisah'];

$a = array_unique(str_split($str1));
$b = array_unique(str_split($str2));
$c = array_unique(str_split($str3));
$d = array_unique(str_split($str4));
$multidimensional = array($a, $b, $c, $d);
$permutations = array();
 $count = count($multidimensional);
    for ($i = 0; $i < $count; $i++) {
      $temp = array_map("permute",array($permutations),array($multidimensional[$i]));
      $permutations = $temp[0];
    }
$jadi = implode($pisah, $permutations);

}
?>
<script type="text/javascript">
   function resetForm(myFormId)
   {
       var myForm = document.getElementById(myFormId);

       for (var i = 0; i < myForm.elements.length; i++)
       {
           if ('submit' != myForm.elements[i].type && 'reset' != myForm.elements[i].type)
           {
               myForm.elements[i].checked = false;
               myForm.elements[i].value = '';
               myForm.elements[i].selectedIndex = 0;
           }
       }
   }
</script>
<form id='myFormId' class='form-inline' method="post" name="atas">  
<input class="form-control" style="width:20%;" id="as" maxlength="10" name="as" placeholder="As on" type="text" value="<?php if(isset($_POST['as'])) {  echo htmlentities ($_POST['as']); } ?>"/>
<input class="form-control" style="width:20%;" id="ko"  maxlength="10" placeholder="Kop on" type="text" name="kop" value="<?php if(isset($_POST['kop'])) {  echo htmlentities ($_POST['kop']); } ?>"/>
<input class="form-control" style="width:20%;" id="kep"  maxlength="10" placeholder="Kepala on" type="text" name="kepala" value="<?php if(isset($_POST['kepala'])) {  echo htmlentities ($_POST['kepala']); } ?>"/>
<input class="form-control" style="width:20%;" id="eko"  maxlength="10" placeholder="Ekor on" type="text" name="ekor" value="<?php if(isset($_POST['ekor'])) {  echo htmlentities ($_POST['ekor']); } ?>"/> 
<select name="pemisah" class="form-control" style="width:10%;">
  <option value="*">*</option>
  <option value="#">#</option>
    <option value=".">.</option>
</select> 
<br /><br />
<input class="btn btn-success bt-sm" id="butA" maxlength="10" name="submit" type="submit" value="Generate" />
<button type="button" id="copy" class="btn btn-info">Copy</button>
<input class="btn btn-danger bt-sm"  name="reset" type="reset" onclick="resetForm('myFormId'); return false;" />
<br /><br />
</form>
<textarea id='databet' class='form-control' rows="10"><?php echo $jadi; ?></textarea>
<br />
<?php if(isset($_POST['submit'])){ echo "<b>MENGHASILKAN  : " . count($permutations) . " LN</b>";
} ?>
<script>
jQuery("#copy").click(function(){
    jQuery("#databet").select();
    document.execCommand('copy');
});
</script>
<?php return ob_get_clean(); }?>