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Well, you are using:

get_post_meta(get_the_ID(), 'subtitle', TRUE);

So, you are saying to Wordpress to get the meta value of the 'subtitle' field and that the returned value be in format of string. See get_post_meta() docu.

To get all meta data of a post you should use get_post_custom() function instead. For example, if you are inside the loop:

$custom = get_post_custom();
foreach($custom as $key => $value) {
     echo $key.': '.$value.'<br />';
}

This will return all meta data of the post. If you want to check, for example, the "price" meta field:

if(isset($custom['price'])) {
    echo 'Price: '.$custom['price'];
}

Well, you are using:

get_post_meta(get_the_ID(), 'subtitle', TRUE);

So, you are saying to Wordpress to get the meta value of the 'subtitle' field and that the returned value be in format of string. See get_post_meta() docu.

To get all meta data of a post you should use get_post_custom() function instead. For example, if you are inside the loop:

$custom = get_post_custom();
foreach($custom as $key => $value) {
     echo $key.': '.$value.'<br />';
}

This will return all meta data of the post. If you want to check, for example, the "price" meta field:

if(isset($custom['price'])) {
    echo 'Price: '.$custom['price'][0];
}

Well, you are using:

get_post_meta(get_the_ID(), 'subtitle', TRUE);

So, you are saying to Wordpress to get the meta value of the 'subtitle' field and that the returned value be in format of string. See get_post_meta() docu.

To get all meta data of a post you should use get_post_custom() function instead. For example, if you are inside the loop:

$custom = get_post_custom();
foreach($custom as $key => $value) {
     echo $key.': '.$value.'<br />';
}

This will return all meta data of the post. If you want to check, for example, the "price" meta field:

if(isset($custom['price']) {
    echo 'Price: '.$custom['price'];
}

Well, you are using:

get_post_meta(get_the_ID(), 'subtitle', TRUE);

So, you are saying to Wordpress to get the meta value of the 'subtitle' field and that the returned value be in format of string. See get_post_meta() docu.

To get all meta data of a post you should use get_post_custom() function instead. For example, if you are inside the loop:

$custom = get_post_custom();
foreach($custom as $key => $value) {
     echo $key.': '.$value.'<br />';
}

This will return all meta data of the post. If you want to check, for example, the "price" meta field:

if(isset($custom['price'])) {
    echo 'Price: '.$custom['price'];
}

Well, you are using:

get_post_meta(get_the_ID(), 'subtitle', TRUE);

So, you are saying to Wordpress to get the meta value of the 'subtitle' field and that the returned value be in format of string. See get_post_meta() docu.

To get all meta data of a post you should use get_post_custom() function instead. For example, if you are inside the loop:

$custom = get_post_custom();
foreach($custom as $key => $value) {
     echo $key.': '.$value.'<br />';
}

This will return all meta data of the post. If you want to check, for exaple, the "price" meta field:

if(isset($custom['price']) {
    echo 'Price: '.$custom['price'];
}

Well, you are using:

get_post_meta(get_the_ID(), 'subtitle', TRUE);

So, you are saying to Wordpress to get the meta value of the 'subtitle' field and that the returned value be in format of string. See get_post_meta() docu.

To get all meta data of a post you should use get_post_custom() function instead. For example, if you are inside the loop:

$custom = get_post_custom();
foreach($custom as $key => $value) {
     echo $key.': '.$value.'<br />';
}

This will return all meta data of the post. If you want to check, for example, the "price" meta field:

if(isset($custom['price']) {
    echo 'Price: '.$custom['price'];
}