Get Specific Template Part if Custom Field is Some Value

Question

I have a problem and I don't know how to solve it. I tried some solutions but I failed since I am not good programer. I also tried to find a solution, but there is no similar question asked. So... here is the problem.

I have a custom post type called "Arrangements", and one of the custom fields associated with that CPT is select box called "Nights" (rtm_nights), with options:

• no nights
• 1 night
• 2 nights
• 3 nights

In my single-arrangements.php there is a get_template_part function that call content-arrangements.php, and now I made 4 similar files, because I need to reorganize arrangements template:

• content-oneday.php
• content-twoday.php
• content-threeday.php
• content-fourday.php

Now... what do I need is to get some of these content templates depending of what is chosen in rmt_nights field.

• If "no nights" is chosen content-oneday.php should be called via get_tempalte_part.
• If "1 night" is chosen content-twoday.php should be called via get_tempalte_part.
• If "2 nights" is chosen content-threeday.php should be called via get_tempalte_part.
• If "3 nights" is chosen content-fourday.php should be called via get_tempalte_part.

I tried something like this in different versions but it is obviously a wrong approach:

<?php if ( get_post_meta($post->ID, 'rtm_nights', '3 nights') ) ; ?>
<?php get_template_part( 'content', 'fourday' ); ?>
<?php if ( get_post_meta($post->ID, 'rtm_nights', '2 nights') ) ; ?>
<?php get_template_part( 'content', 'threeday' );  ?>
<?php if ( get_post_meta($post->ID, 'rtm_nights', '1 night') ) ; ?>
<?php get_template_part( 'content', 'twoday' );  ?>
<?php if ( get_post_meta($post->ID, 'rtm_nights', 'no nights') ) ; ?>
<?php get_template_part( 'content', 'oneday' );  ?>
<?php endif; ?>

Answer 1

It's a PHP question, and not related to WordPress, but I'm answering because you are messing with codes. Just make it easy, and you also can go through it. :)

<?php
/**
*  get your custom field data and store into a variable
*  to make it easy - nothing else
*/
$my_custom_field = get_post_meta( $post->ID, 'rtm_nights', $single=true );

if ( $my_custom_field == '3 nights' ) {
    get_template_part( 'content', 'fourday' );
} else if ( $my_custom_field == '2 nights' ) {
    get_template_part( 'content', 'threeday' );
} else if ( $my_custom_field == '1 night' ) {
    get_template_part( 'content', 'twoday' );
} else if ( $my_custom_field == 'no nights') {
    get_template_part( 'content', 'oneday' );
} //endif
?>

EDIT

And you are missing something about get_post_meta() syntax:

<?php get_post_meta( $post_id, $key, $single ); ?>

Value cannot be checked through it. :)

Answer 2

It is a syntax question, not really a wordpress one. However:

According to the get_post_meta() Function Reference, the third argument is used to

return a single result, as a string

if it is true and not to make a comparison.

You have to get the custom field and check its value.

if ( get_post_meta($post->ID, 'rtm_nights') == '3 nights' ) {
  get_template_part( 'content', 'fourday' );
} else if ( get_post_meta($post->ID, 'rtm_nights') == '2 nights' ) {
  get_template_part( 'content', 'threeday' );
} else if ( get_post_meta($post->ID, 'rtm_nights') == '1 nights' ) {
  get_template_part( 'content', 'twoday' );
} else if ( get_post_meta($post->ID, 'rtm_nights') == 'no nights' ) {
  get_template_part( 'content', 'oneday' );
}