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<?php $db = new stdClass; $db->affected_rows = 1; //affected_rows is type int echo "$db->affected_rows"; var_dump($db->affected_rows); echo "empty($db->affected_rows)"; var_dump(empty($db->affected_rows)); echo "$db->affected_rows > 0"; var_dump($db->affected_rows > 0);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1int(1) empty(1)bool(false) 1 > 0bool(true)

preferences:
301.01 ms | 405 KiB | 456 Q