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Woocommerce – How to prevent duplicates within foreach PHP

I’m trying to move customer order notes field to another field group, but because of other plugin overrides, I need to override WooCommerce template files too, so I need to move this code:

foreach ( $checkout->get_checkout_fields( 'order' ) as $key => $field ) :
    woocommerce_form_field( $key, $field, $checkout->get_value( $key ) ); 
endforeach;

from: “mytheme/woocommerce/checkout/form-shipping.php“
to: “mytheme/woocommerce/checkout/review-order.php“.

Now I’m getting duplicated fields, how to prevent duplicates within foreach loop?

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2

Answers


  1. 0

    You can maintain an array to keep track of fields you’ve already seen so that they don’t get added again.

    $fields_seen = [];
foreach ( $checkout->get_checkout_fields( 'order' ) as $key => $field ) :
    if(!in_array($field, $fields_seen)) {
        woocommerce_form_field( $key, $field, $checkout->get_value( $key ) ); 
        $fields_seen[] = $field;
    }
endforeach;

    Reference page for in_array: PHP in_array

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  2. 0

    You can use array_unique()
    your code will look like this:

    foreach ( array_unique($checkout->get_checkout_fields( 'order' )) as $key => $field ) :
    woocommerce_form_field( $key, $field, $checkout->get_value( $key ) ); 
endforeach;
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