PHP displaying Wordpress array.

Question

If you know nothing about Wordpress but know how to display everything stored in an php array (at least in my case) - please answer. I'll appreciate!

I've an PHP array that keeps lists of categories. But I have no idea how to display its contents.

This code:

$category = get_the_category(); 
echo $category;

Outputs:

Array

What I want to do is to display first item in the array.

I've also tried:

echo $category[0]->cat_name
echo $category[1]->cat_name

Where the cat_name was "cat_name", "Folio" (my custom post type name), "type", "types" and "my_folio_cat". Everything outputs nothing (even not "Array" text).

I'm registering taxonomy like that:

register_taxonomy("my_folio_cat", array("folio"), array("hierarchical" => true, "label" => "Type", "singular_label" => "Type", "rewrite" => true));

from what I recall of get_the_category, $category[0]->cat_name should do it. Try var_dump($category) to see the structure of the variable, and it would help to edit your post and add that info here. It's not just arrays here, just to note - some of this info is stored in a PHP object. — JAL
– JAL, Commented Dec 6, 2010 at 16:57
You should use name instead of cat_name (which is deprecated, and only currently implemented for back-compat) — TheDeadMedic
– TheDeadMedic, Commented Dec 6, 2010 at 18:36

Rafe Kettler · Accepted Answer · 2010-12-06 17:02:07Z

1

print_r($array);

You can also take a look at var_dump() (not intended for reading) and var_export() (even less so).

If you'd like to print things nicely, you could iterate over the array:

foreach($array as $key => $value) {
    echo 'Key is '.$key.' for value '.$value.'<br />';
}

edited Dec 6, 2010 at 17:02

answered Dec 6, 2010 at 16:55

Rafe Kettler

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Comments

cfeduke · Accepted Answer · 2010-12-06 16:55:43Z

0

var_dump I do believe.

http://php.net/manual/en/function.var-dump.php

answered Dec 6, 2010 at 16:55

cfeduke

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3 Comments

Rafe Kettler Over a year ago

Note that var_dump() prints variables, whereas print_r() is intended to be a human readable representation of the variables

cfeduke Over a year ago

Oh I've only ever used var_dump but then again I may not be human.

JAL Over a year ago

@Rafe Kettler I don't find var_dump to be unreadable. It only provides more detail than print_r.

Ish · Accepted Answer · 2010-12-06 16:56:08Z

0

try var_dump($category); instead echo $category;

answered Dec 6, 2010 at 16:56

Ish

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RusAlex · Accepted Answer · 2010-12-06 16:57:17Z

0

array access is echo $arrayname[0];

make var_dump($array) and you can see what is there.

answered Dec 6, 2010 at 16:57

RusAlex

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Comments

Zunan · Accepted Answer · 2018-03-14 07:13:18Z

0

Based of your explanation, I guess you use custom taxonomy instead of general post category. For custom taxonomy you should use get_the_terms function.

So perhaps the code should:

$cats = get_the_terms($post, 'my_folio_cat');

// display the first category name    
if(!empty($cats)) {
    echo $cats[0]->name;
}

answered Mar 14, 2018 at 7:13

Zunan

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