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get_usermeta [ WordPress Function ]

get_usermeta ( $user_id, $meta_key = '' )
Parameters:
  • (int) $user_id User ID
  • (string) $meta_key Optional. Metadata key.
See:
Returns:
  • (mixed)
Defined at:



Retrieve user metadata.

If $user_id is not a number, then the function will fail over with a 'false' boolean return value. Other returned values depend on whether there is only one item to be returned, which be that single item type. If there is more than one metadata value, then it will be list of metadata values.

Source


<?php
function get_usermeta$user_id$meta_key '' ) {
    
_deprecated_function__FUNCTION__'3.0''get_user_meta()' );
    global 
$wpdb;
    
$user_id = (int) $user_id;

    if ( !
$user_id )
        return 
false;

    if ( !empty(
$meta_key) ) {
        
$meta_key preg_replace('|[^a-z0-9_]|i'''$meta_key);
        
$user wp_cache_get($user_id'users');
        
// Check the cached user object
        
if ( false !== $user && isset($user->$meta_key) )
            
$metas = array($user->$meta_key);
        else
            
$metas $wpdb->get_col$wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s"$user_id$meta_key) );
    } else {
        
$metas $wpdb->get_col$wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d"$user_id) );
    }

    if ( empty(
$metas) ) {
        if ( empty(
$meta_key) )
            return array();
        else
            return 
'';
    }

    
$metas array_map('maybe_unserialize'$metas);

    if ( 
count($metas) == )
        return 
$metas[0];
    else
        return 
$metas;
}
?>

Examples [ wp-snippets.com ]

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