php - How to Make Check box is checked -


how can make check box checked using php, when visit page later want selected check boxes checked

<input  name="product[]" type="checkbox" value="1" />

start session 

    <?php session_start(); $session_products = array(); if(array_key_exists("products", $_session))  {   if($_session["products"] != null)   {     $session_products = $_session["products"];   } }  ?>

change code follows 

<input  name="product[]"  type="checkbox" value="1" <?php if(in_array("1", $session_products)) echo "checked='checked'"; ?>/>

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