what is a query in sql code example
Example: sql query
$meta_query_args = array(
'relation' => 'OR', // Optional, defaults to "AND"
array(
'key' => '_my_custom_key',
'value' => 'Value I am looking for',
'compare' => '='
),
array(
'relation' => 'AND',
array(
'key' => '_my_custom_key_2',
'value' => 'Value I am looking for 2',
'compare' => '='
),
array(
'key' => '_my_custom_key_3',
'value' => 'Value I am looking for 3',
'compare' => '='
)
)
);
$meta_query = new WP_Meta_Query( $meta_query_args );