Insert a default text if custom field is empty

  • Hello all,

    I am finishing up on a client’s website.
    They sell classic cars, so there are some prices they do not wish to displose online.

    I have been able to customize heavily the metaboxes which came with the metaboxes already included in the theme to do exactly what I wanted, but this is the last function I haven’t been able to implement.

    What i think is best for them is that, if they leave the price field empty, the sentence ‘P.O.A.’ would display automatically (as adding a checkbox which hides the price would be probably too heavy code-wise).

    Currently, it shows a basic “<?php listing_price(); ?>” to get the price. If knwo I need an if and else function here, but I don’t know how to code it.

    Thank you for your help.
    Best,
    Yann

Viewing 4 replies - 1 through 4 (of 4 total)

  • I think you can use code like this:

    <?php
   $empty_price = '';
   ob_start();
      listing_price();
   $price = ob_get_clean();
   if ( $price == $empty_price ) {
      echo 'P.O.A';
   } else {
      echo $price;
   }
?>

    You must set $empty_price to exactly what is returned from listing_price() when the price is empty before this will work. Does it return an empty string, or is there some HTML included?

    Thread Starter yjules

    (@yjules)

    Hello there,

    Thank you for your reply. I’ve tried it, and I still get the same “0” displayed by default if the field is empty.
    I think it is because displaying this 0 is embeded in the functions of the theme, but it is in the same field as the formatting for the numbers.

    This is what I have in my functions-theme.php file:

    /*-----------------------------------------------------------------------------------*/

/* Listing Price */

/*-----------------------------------------------------------------------------------*/

function listing_price() {
	global $post;
	$price_meta = get_post_meta(get_the_ID(), '_ct_price', true);
	$price_meta= preg_replace('/[\$,]/', '', $price_meta);
	echo  number_format($price_meta, 0, ',', '.');
}

    Did you change the value of $empty_price in the code I sent? It must match exactly what the listing_price() function returns for an empty price. It may be just a single zero or something more. Try changing $empty_price to a zero, like this:

    $empty_price = '0';

    Of course, you could always modify the function in functions.php, but I hesitated to do that because I did not know if it might be used in other places, and you might not want the same operation there.

Viewing 4 replies - 1 through 4 (of 4 total)
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