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@man4toman
Created October 16, 2018 06:48
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Determine if a meta key is set for a given object
<?php
/**
* @link https://developer.wordpress.org/reference/functions/get_post_meta/
**/
// Only for post types
if( get_post_meta( $post_id, '_meta_key', true ) ) {
// do something
}
/**
* @link https://developer.wordpress.org/reference/functions/metadata_exists/
**/
// Check and get a term meta
if ( metadata_exists( 'term', $term_id, '_meta_key' ) ) {
// do something
}
// Check and get a post meta
if ( metadata_exists( 'post', $post_id, '_meta_key' ) ) {
// do something
}
// Check and get a user meta
if ( metadata_exists( 'user', $user_id, '_meta_key' ) ) {
// do something
}
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