<?php
require_once('../conn.php');
header("Content-Type: application/json");
try {
    $create_at_start = isset($_REQUEST['create_at_start'])? $_REQUEST['create_at_start'] : '';
    $create_at_end = isset($_REQUEST['create_at_end'])? $_REQUEST['create_at_end'] : '';
    if (!empty($create_at_start) && !empty($create_at_end)) {
        $sql_str = "SELECT * 
            FROM sanlien_log 
            WHERE SUBSTR(create_at, 1, 10) 
            BETWEEN :create_at_start AND :create_at_end 
        ";
        $stmt = $conn->prepare($sql_str);
        $stmt->bindParam(':create_at_start', $create_at_start);
        $stmt->bindParam(':create_at_end', $create_at_end);
    } else {
        $sql_str = "SELECT * FROM sanlien_log ";
        $stmt = $conn->prepare($sql_str);
    }
    $stmt->execute();
    $data = $stmt->fetchAll(PDO::FETCH_ASSOC);
    echo json_encode($data, JSON_UNESCAPED_UNICODE);
    // echo json_encode(['data' => $data]);
} catch (PDOException $e) {
    die("ERROR!!!: " . $e->getMessage());
}