// $rs = $wpdb->get_var($wpdb->prepare("SELECT * FROM $table WHERE number = $number"));
$rs = $wpdb->get_var($wpdb->prepare("SELECT count(*) FROM $table "));
報(bào)下面的錯(cuò)
Fatal error: Uncaught Error: Call to a member function get_var() on null in D:\phpStudy22\WWW\wordpress5.9\wp-content\themes\lsm2022\from.php:23 Stack trace: #0 {main} thrown in?D:\phpStudy22\WWW\wordpress5.9\wp-content\themes\lsm2022\from.php?on line?23
0
0
0
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