wordpress raw sql query code example

Example 1: wordpress wpdb

<?php
// 1st Method - Declaring $wpdb as global and using it to execute an SQL query statement that returns a PHP object
global $wpdb;
$results = $wpdb->get_results( "SELECT * FROM {$wpdb->prefix}options WHERE option_id = 1", OBJECT );

Example 2: wordpress execute query

global $wpdb;    
$result = $wpdb->get_results( "SELECT * FROM wp_usermeta WHERE meta_key = 'points' AND user_id = '1'");
print_r($result);

Example 3: wpdb wordpress

global $wpdb;

Example 4: wp_query raw sql

global $wpdb;
$post_id = $wpdb->get_results("SELECT post_id FROM $wpdb->postmeta WHERE (meta_key = 'mfn-post-link1' AND meta_value = '". $from ."')");