Is it possible to create a temporary variable data ?

Is it possible to create a temporarily variable data from the session variable ?

In My project (Custom sizeable Mattress or Bed), Every product have custom range of prices for its corresponding attributes (ie, Combination of Length, width & height make the product price) we have the range of product prices that is like,

Length width height price (Inch)
72 32 6 $200
72 36 6 $220
72 48 6 $250
72 32 10 $300
72 36 10 $330
72 48 10 $370
75 32 6 $250
75 36 6 $280
75 48 6 $300
75 32 10 $350
75 36 10 $380
75 48 10 $410

All the custom sizes are available and those price will make dynamically with the variance table,
like a product with attributes 73 35 9 then price is same the upper attributes combination, so here the combination is : 75 36 10 $380

for this type of product, i used some ways and now need the temporarily creation of a variable product data.

I write some codes for this project, that is given bellow,

Override this function
function wc_dropdown_variation_attribute_options( $args = array() ) {
$args = wp_parse_args( apply_filters( ‘woocommerce_dropdown_variation_attribute_options_args’, $args ), array(
‘options’ => false,
‘attribute’ => false,
‘product’ => false,
‘selected’ => false,
‘name’ => ”,
‘id’ => ”,
‘class’ => ”,
‘show_option_none’ => __( ‘Choose an option’, ‘woocommerce’ )
) );

$options = $args[‘options’];
$product = $args[‘product’];
$attribute = $args[‘attribute’];
$name = $args[‘name’] ? $args[‘name’] : ‘attribute_’ . sanitize_title( $attribute );
$id = $args[‘id’] ? $args[‘id’] : sanitize_title( $attribute );
$class = $args[‘class’];

if ( empty( $options ) && ! empty( $product ) && ! empty( $attribute ) ) {
$attributes = $product->get_variation_attributes();
$options = $attributes[ $attribute ];
}

$html = ‘<select id=”‘ . esc_attr( $id ) . ‘” class=”‘ . esc_attr( $class ) . ‘” name=”‘ . esc_attr( $name ) . ‘” data-attribute_name=”attribute_’ . esc_attr( sanitize_title( $attribute ) ) . ‘”>’;

if ( $args[‘show_option_none’] ) {
$html .= ‘<option value=””>’ . esc_html( $args[‘show_option_none’] ) . ‘</option>’;
}

if ( ! session_id() )
session_start();
if(isset( $_SESSION[‘attr’] ))
foreach($_SESSION[‘attr’] as $attr => $opt )
if($attribute ==$attr ){
//term_fun($attr, $opt , $product )
$html .= ‘<option selected value=”‘.$opt.'”>’ . esc_html( $opt ) . ‘</option>’;
}

if ( ! empty( $options ) ) {
if ( $product && taxonomy_exists( $attribute ) ) {
// Get terms if this is a taxonomy – ordered. We need the names too.
$terms = wc_get_product_terms( $product->id, $attribute, array( ‘fields’ => ‘all’ ) );

foreach ( $terms as $term ) {
if ( in_array( $term->slug, $options ) ) {
$html .= ‘<option value=”‘ . esc_attr( $term->slug ) . ‘” ‘ . selected( sanitize_title( $args[‘selected’] ), $term->slug, false ) . ‘>’ . esc_html( apply_filters( ‘woocommerce_variation_option_name’, $term->name ) ) . ‘</option>’;
}
}
} else {
foreach ( $options as $option ) {
// This handles < 2.4.0 bw compatibility where text attributes were not sanitized.
if(!(isset( $_SESSION[‘attr’] )))
$selected = sanitize_title( $args[‘selected’] ) === $args[‘selected’] ? selected( $args[‘selected’], sanitize_title( $option ), false ) : selected( $args[‘selected’], $option, false );
$html .= ‘<option value=”‘ . esc_attr( $option ) . ‘” ‘ . $selected . ‘>’ . esc_html( apply_filters( ‘woocommerce_variation_option_name’, $option ) ) . ‘</option>’;
}
}
}

$html .= ‘</select>’;

echo apply_filters( ‘woocommerce_dropdown_variation_attribute_options_html’, $html, $args );
}

// and write this for find the upper value of attribute terms
function term_fun($attr, $val, $product ){
$t_arry =wc_get_product_terms( $product->id, $attr , array( ‘fields’ => ‘names’ , ‘orderby’ => ‘name_num’ ) );
foreach($t_arry as $term){
if($term >= $val){
break;
}
}
if($val>$term)
$term;
return $term;
}

//on single-product/add-to-cart/variable.php file add some codes also,

….//
global $product;

$attribute_keys = array_keys( $attributes );

do_action( ‘woocommerce_before_add_to_cart_form’ );

$variation_id=$available_variations[0][‘variation_id’];
$vari= new WC_Product_Variation( $variation_id);

//$vari=array();
if(isset( $_SESSION[‘attr’] )){
$res=$_SESSION[‘attr’];
foreach( $res as $attr => $opt )
$res[‘attribute_’.$attr]=array($opt ,term_fun($attr, $opt, $product));

foreach($available_variations as $key=>$val){
$flag=true;
foreach($val[‘attributes’] as $attribute=>$val2)
if($res[$attribute][1]!=$val2)
$flag=false;
if($flag==true){
echo ‘; ‘.$key.’ :’;
$vari=$available_variations[$key]; }
}

$vari[‘variation_id’]=1;
foreach($vari[‘attributes’] as $attribute=>$val2)
if($res[$attribute][1]==$val2)
$vari[‘attributes’][$attribute]= $res[$attribute][0];
//echo htmlspecialchars( json_encode( $vari) ) ;
$available_variations[$key+1]=$vari;
}
?>
<form class=”variations_form cart” method=”post” enctype=’multipart/form-data’ data-product_id=”<?php echo absint( $product->id ); ?>” data-product_variations=”<?php echo htmlspecialchars( json_encode( $available_variations ) ) ?>”>
<?php do_action( ‘woocommerce_before_variations_form’ ); ?>

<?php if ( empty( $available_variations ) && false !== $available_variations ) : ?>
<p class=”stock out-of-stock”><?php _e( ‘This product is currently out of stock and unavailable.’, ‘flatastic’ ); ?></p>
<?php else : ?>
<table class=”variations” cellspacing=”0″>
<tbody>
<?php foreach ( $attributes as $attribute_name => $options ) :
?>
<tr>
<td class=”label”><label for=”<?php echo sanitize_title( $attribute_name ); ?>”><?php echo wc_attribute_label( $attribute_name ); ?></label></td>
<td class=”value”>
<?php
$selected = isset( $_REQUEST[ ‘attribute_’ . sanitize_title( $attribute_name ) ] ) ? wc_clean( $_REQUEST[ ‘attribute_’ . sanitize_title( $attribute_name ) ] ) : $product->get_variation_default_attribute( $attribute_name );
wc_dropdown_variation_attribute_options( array( ‘options’ => $options, ‘attribute’ => $attribute_name, ‘product’ => $product, ‘selected’ => $selected ) );
echo end( $attribute_keys ) === $attribute_name ? apply_filters( ‘woocommerce_reset_variations_link’, ‘‘ . __( ‘Clear’, ‘flatastic’ ) . ‘‘ ) : ”;
?>
</td>
</tr>
<?php endforeach;?>
</tbody>
</table>

<?php do_action( ‘woocommerce_before_add_to_cart_button’ ); ?>

<div class=”single_variation_wrap”>
<?php
/**
//……………….

Please help me

thanks & Regards