这是一个代码审查问题，而不是WordPress问题。请在Code Review Stack Exchange 未来

根据最佳实践，您有两件事做错了或不正确。我所做更改的内联注释。

$cr_table_array = array(
    array(
        \'data_field\' => \'id\',
        // Add primary key here to allow you to keep definitions in one place.
        \'data_type\'  => \'MEDIUMINT(12) NOT NULL AUTO_INCREMENT PRIMARY KEY\',
    ),
    array(
        \'data_field\' => \'your_name\',
        \'data_type\'  => \'VARCHAR(200) NOT NULL\',
    ),
    array(
        // misspelled
        \'data_field\' => \'your_email\',
        \'data_type\'  => \'VARCHAR(200) NOT NULL\',
    ),
);


global $wpdb;
// Use .= to append your statement pieces into a single variable.
// Use curly braces for inline vaiables.
$sql = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}credofy_contact_form( ";
foreach ( $cr_table_array as $file ) {
    $sql .= $file[\'data_field\'] . \' \' . $file[\'data_type\'] . \', \';
}
// Remove the final comma to prevent sql errors.
$sql  = rtrim( $sql, \', \' );
$sql .= \')\';

// This will create your database. You can stop here.
$wpdb->query( $sql );

global $wpdb;

$statement = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}credofy_contact_form( ";
foreach ( $cr_table_array as $file ) {
    $statement .= $file[\'data_field\'] . \' \' . $file[\'data_type\'] . \', \';
}
$statement  = rtrim( $statement, \', \' );
$statement .= \' )\';

$wpdb->query( $statement );