$Frield_array=array();
global $Ref_array;
$Ref_array=$Referee_Id;
if(in_array($Field_Id,$Frield_array))
//////////////
<INPUT TYPE = 'HIDDEN' name='Item_Id[]' value='$Item_Id'>
if(sizeof($chkevent)>0)
//////////////////////////
removing duplicate values from array
Example 1. array_unique() example
<?php
$input = array("a" => "green", "red", "b" => "green", "blue", "red");
$result = array_unique($input);
print_r($result);
?>
////////////////////////////////////
converting an array into comma separated
/////////////////////
<?php
$array = array('lastname', 'email', 'phone');
$comma_separated = implode(",", $array);
echo $comma_separated; // lastname,email,phone
?>
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