PHP & WordPress: print array content

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I’m to dumb right now … 

print_r($terms);

does this …

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Array
(
    [7] => stdClass Object
        (
            [term_id] => 7
            [name] => Testwhatever
            [slug] => testwhatever
            [term_group] => 0
            [term_taxonomy_id] => 7
            [taxonomy] => event_type
            [description] => 
            [parent] => 0
            [count] => 2
            [object_id] => 8
        )

)

How can I print the slug?
I thought print print($terms->slug) should do the job, but it says: “Trying to get property of non-object”

update: 

function get_event_term($post) {
    $terms = get_the_terms( (int) $post->ID, 'event_type' );
    if ( !empty( $terms ) ) {
        print_r($terms);
        return $terms[7]->slug;
    }
}
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6 comments

  1. Its an array of objects (even if it contains only a single entry at index “7”), not a single object

    echo $terms[7]->slug;

    With multiple “things

    foreach ($terms as $term) echo $term->slug;

  5. print_r ($terms[7]->slug) looks logical to me, since it’s an array of objects

    UPDATE

    Since you are unsure how many items get_event_term should return, you should return an Array.

    function get_event_term($post) {
    $aReturn = array();
    $terms = get_the_terms( (int) $post->ID, 'event_type' );
    if ( !empty( $terms ) ) {
        print_r($terms);
        foreach($terms as $term){ // iterate through array of objects
            $aReturn[] = $term->slug; // get the property that you need
        }
    }
    return $aReturn;
}

  6. Function using the wp_parse_args system to manage its single $args argument, which could be given whatever values you wanted. In this case $args stores detailed display overrides, a pattern found in many WordPress functions. 

    $args = wp_parse_args( $args, $term->name );
echo $arg[157]['term_id']; //output 157
echo $arg[157]['name'];  //output Entertainment

    works fine for me more detail

    http://codex.wordpress.org/Function_Reference/wp_parse_args