PHP 20 \u4e2a\u5b9e\u7528\u5f00\u53d1\u6280\u5de7\uff08\u5b8c\u6574\u8be6\u89e3\uff09
\n\u4f60\u60f3\u8981\u7684\u662f\u8fd9 20 \u4e2a PHP \u5b9e\u7528\u6280\u5de7\u7684\u5b8c\u6574\u68b3\u7406\u548c\u53ef\u843d\u5730\u5b9e\u73b0\uff0c\u4e0b\u9762\u6211\u5c06\u6bcf\u4e2a\u6280\u5de7\u8865\u5145\u5b8c\u6574\u4ee3\u7801\u793a\u4f8b\u548c\u7ec6\u8282\u8bf4\u660e\uff0c\u65b9\u4fbf\u4f60\u76f4\u63a5\u5e94\u7528\u5230\u9879\u76ee\u4e2d\uff1a
\n1. \u4e0d\u8981\u4f7f\u7528\u76f8\u5bf9\u8def\u5f84\uff0c\u4f18\u5148\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84
\n\u95ee\u9898
\n\u76f8\u5bf9\u8def\u5f84\u4f1a\u67e5\u627e PHP \u5305\u542b\u8def\u5f84\u548c\u5f53\u524d\u76ee\u5f55\uff0c\u5b58\u5728\u8def\u5f84\u6df7\u4e71\uff08\u88ab\u5176\u4ed6\u811a\u672c\u5305\u542b\u65f6\u3001\u5b9a\u65f6\u4efb\u52a1\u8fd0\u884c\u65f6\uff09\u7684\u95ee\u9898\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ \u4e0d\u63a8\u8350\uff08\u76f8\u5bf9\u8def\u5f84\uff09
\ninclude “config.php”;
\ninclude “lib\/func.php”;<\/p>\n
\/\/ \u63a8\u83501\uff1a\u5199\u6b7b\u7edd\u5bf9\u8def\u5f84\uff08\u4e0d\u7075\u6d3b\uff09
\ninclude “\/var\/www\/project\/config.php”;<\/p>\n
\/\/ \u63a8\u83502\uff1a\u4f7f\u7528__FILE__\u5e38\u91cf\uff08\u7075\u6d3b\uff0c\u8fc1\u79fb\u65e0\u9700\u4fee\u6539\uff09
\n\/\/ __FILE__ \u83b7\u53d6\u5f53\u524d\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\u548c\u6587\u4ef6\u540d
\n\/\/ dirname() \u83b7\u53d6\u6587\u4ef6\u6240\u5728\u76ee\u5f55
\ndefine(‘PROJECT_ROOT’, dirname(__FILE__));
\ninclude PROJECT_ROOT . “\/config.php”;
\ninclude PROJECT_ROOT . “\/lib\/func.php”;<\/p>\n
\/\/ PHP 5.3+ \u53ef\u4f7f\u7528 __DIR__\uff08\u76f4\u63a5\u83b7\u53d6\u5f53\u524d\u6587\u4ef6\u76ee\u5f55\uff0c\u7b49\u4ef7\u4e8e dirname(__FILE__)\uff09
\ndefine(‘PROJECT_ROOT’, __DIR__);
\ninclude PROJECT_ROOT . “\/config.php”;
\n2. \u4e0d\u8981\u76f4\u63a5\u4f7f\u7528 require\/include\uff0c\u5c01\u88c5\u52a0\u8f7d\u51fd\u6570
\n\u95ee\u9898
\n\u76f4\u63a5\u591a\u6b21\u8c03\u7528 require\/include \u53ef\u8bfb\u6027\u5dee\uff0c\u540e\u7eed\u4fee\u6539\u6587\u4ef6\u8def\u5f84\u9700\u5168\u5c40\u66ff\u6362\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ \u4e0d\u63a8\u8350\uff08\u539f\u59cb\u7528\u6cd5\uff09
\nrequire “config.php”;
\nrequire “lib\/db.php”;
\nrequire “lib\/validate.php”;<\/p>\n
\/\/ \u63a8\u8350\uff1a\u5c01\u88c5\u52a9\u624b\u51fd\u6570
\nfunction load_file($file_path) {
\n$full_path = PROJECT_ROOT . “\/” . $file_path;
\nif (file_exists($full_path)) {
\nrequire $full_path;
\n} else {
\ndie(“\u6587\u4ef6 {$full_path} \u4e0d\u5b58\u5728\uff01”);
\n}
\n}<\/p>\n
\/\/ \u8c03\u7528\uff08\u53ef\u8bfb\u6027\u66f4\u5f3a\uff09
\nload_file(“config.php”);
\nload_file(“lib\/db.php”);
\nload_file(“lib\/validate.php”);<\/p>\n
\/\/ \u6269\u5c55\uff1a\u652f\u6301\u591a\u76ee\u5f55\u67e5\u627e
\nfunction load_file_ext($file_name, $dirs = []) {
\n\/\/ \u9ed8\u8ba4\u6dfb\u52a0\u9879\u76ee\u6839\u76ee\u5f55
\n$dirs[] = PROJECT_ROOT;
\nforeach ($dirs as $dir) {
\n$full_path = rtrim($dir, “\/”) . “\/” . $file_name;
\nif (file_exists($full_path)) {
\nrequire $full_path;
\nreturn true;
\n}
\n}
\ndie(“\u6587\u4ef6 {$file_name} \u672a\u5728\u6307\u5b9a\u76ee\u5f55\u4e2d\u627e\u5230\uff01”);
\n}<\/p>\n
\/\/ \u8c03\u7528\uff1a\u67e5\u627e\u591a\u4e2a\u76ee\u5f55
\nload_file_ext(“db.php”, [PROJECT_ROOT . “\/lib”, PROJECT_ROOT . “\/core”]);
\n3. \u4e3a\u5e94\u7528\u4fdd\u7559\u8c03\u8bd5\u4ee3\u7801\uff0c\u533a\u5206\u5f00\u53d1 \/ \u751f\u4ea7\u73af\u5883
\n\u95ee\u9898
\n\u8c03\u8bd5\u4ee3\u7801\u6ce8\u91ca \/ \u5220\u9664\u540e\uff0c\u540e\u7eed\u95ee\u9898\u6392\u67e5\u9700\u91cd\u65b0\u7f16\u5199\uff0c\u6548\u7387\u4f4e\u4e0b\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ 1. \u5b9a\u4e49\u73af\u5883\u5e38\u91cf\uff08\u5efa\u8bae\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u7edf\u4e00\u914d\u7f6e\uff09
\n\/\/ \u5f00\u53d1\u73af\u5883
\ndefine(‘APP_ENV’, ‘development’);
\n\/\/ \u751f\u4ea7\u73af\u5883
\n\/\/ define(‘APP_ENV’, ‘production’);<\/p>\n
\/\/ 2. \u5c01\u88c5\u8c03\u8bd5\u51fd\u6570
\nfunction debug_log($data) {
\nif (APP_ENV === ‘development’) {
\n\/\/ \u6253\u5370\u8c03\u8bd5\u4fe1\u606f\uff08\u53ef\u6839\u636e\u9700\u6c42\u683c\u5f0f\u5316\uff09
\necho ”<\/p>\n
\";\r\n var_dump($data);\r\n echo \"<\/pre>\n“;
\n}
\n\/\/ \u751f\u4ea7\u73af\u5883\u4e0d\u8f93\u51fa\uff0c\u53ef\u9009\u62e9\u5199\u5165\u65e5\u5fd7\u6587\u4ef6
\nelse {
\n$log_str = is_array($data) || is_object($data) ? json_encode($data) : $data;
\nerror_log(date(‘Y-m-d H:i:s’) . ” – ” . $log_str . PHP_EOL, 3, PROJECT_ROOT . “\/logs\/debug.log”);
\n}
\n}<\/p>\n\/\/ \u8c03\u7528\uff1a\u4fdd\u7559\u8c03\u8bd5\u4ee3\u7801\uff0c\u65e0\u9700\u6ce8\u91ca\/\u5220\u9664
\n$db_sql = “SELECT * FROM user WHERE id = 1”;
\ndebug_log(“\u6570\u636e\u5e93\u67e5\u8be2\u8bed\u53e5\uff1a” . $db_sql);
\n$user_info = $db->query($db_sql);
\ndebug_log(“\u7528\u6237\u4fe1\u606f\uff1a” . $user_info);
\n4. \u4f7f\u7528\u53ef\u8de8\u5e73\u53f0\u7684\u51fd\u6570\u6267\u884c\u7cfb\u7edf\u547d\u4ee4
\n\u95ee\u9898
\nsystem\/exec\/passthru\/shell_exec \u53ef\u80fd\u88ab\u5171\u4eab\u4e3b\u673a\u7981\u7528\uff0c\u9010\u4e2a\u5224\u65ad\u7e41\u7410\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/**
\n* \u8de8\u5e73\u53f0\u6267\u884c\u7cfb\u7edf\u547d\u4ee4
\n* @param string $cmd \u7cfb\u7edf\u547d\u4ee4
\n* @return string \u547d\u4ee4\u6267\u884c\u7ed3\u679c
\n*\/
\nfunction exec_system_cmd($cmd) {
\n$result = ”;
\n\/\/ \u4f9d\u6b21\u5224\u65ad\u53ef\u7528\u7684\u6267\u884c\u51fd\u6570
\nif (function_exists(‘system’)) {
\nob_start(); \/\/ \u6355\u83b7\u8f93\u51fa
\nsystem($cmd, $return_var);
\n$result = ob_get_clean();
\n} elseif (function_exists(‘exec’)) {
\nexec($cmd, $output, $return_var);
\n$result = implode(PHP_EOL, $output);
\n} elseif (function_exists(‘passthru’)) {
\nob_start();
\npassthru($cmd, $return_var);
\n$result = ob_get_clean();
\n} elseif (function_exists(‘shell_exec’)) {
\n$result = shell_exec($cmd);
\n} else {
\ndie(“\u6ca1\u6709\u53ef\u7528\u7684\u7cfb\u7edf\u547d\u4ee4\u6267\u884c\u51fd\u6570\uff01”);
\n}
\nreturn $result;
\n}<\/p>\n\/\/ \u8c03\u7528
\n$dir_list = exec_system_cmd(“ls -l”);
\necho $dir_list;
\n5. \u7075\u6d3b\u7f16\u5199\u51fd\u6570\uff0c\u652f\u6301\u591a\u7c7b\u578b\u53c2\u6570
\n\u95ee\u9898
\n\u4e3a\u5355\u4e2a\u53c2\u6570\u548c\u6570\u7ec4\u53c2\u6570\u5206\u522b\u521b\u5efa\u51fd\u6570\uff0c\u9020\u6210\u4ee3\u7801\u5197\u4f59\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/**
\n* \u7075\u6d3b\u6dfb\u52a0\u9879\u76ee\uff08\u652f\u6301\u5355\u4e2a\u503c\/\u6570\u7ec4\u503c\uff09
\n* @param mixed $items \u5355\u4e2a\u9879\u76ee\u6216\u9879\u76ee\u6570\u7ec4
\n* @param array $target_arr \u76ee\u6807\u6570\u7ec4
\n* @return array \u5904\u7406\u540e\u7684\u6570\u7ec4
\n*\/
\nfunction add_items($items, $target_arr = []) {
\n\/\/ \u5224\u65ad\u662f\u5426\u4e3a\u6570\u7ec4\uff0c\u975e\u6570\u7ec4\u5219\u8f6c\u4e3a\u6570\u7ec4
\nif (!is_array($items)) {
\n$items = [$items];
\n}
\n\/\/ \u5faa\u73af\u6dfb\u52a0\uff08\u53bb\u91cd\u53ef\u9009\uff09
\nforeach ($items as $item) {
\nif (!in_array($item, $target_arr)) {
\n$target_arr[] = $item;
\n}
\n}
\nreturn $target_arr;
\n}<\/p>\n\/\/ \u8c03\u75281\uff1a\u6dfb\u52a0\u5355\u4e2a\u9879\u76ee
\n$user_list = [“\u5f20\u4e09”, “\u674e\u56db”];
\n$user_list = add_items(“\u738b\u4e94”, $user_list);<\/p>\n\/\/ \u8c03\u75282\uff1a\u6dfb\u52a0\u591a\u4e2a\u9879\u76ee\uff08\u6570\u7ec4\uff09
\n$user_list = add_items([“\u8d75\u516d”, “\u5b59\u4e03”], $user_list);<\/p>\nprint_r($user_list); \/\/ \u8f93\u51fa\uff1aArray ( [0] => \u5f20\u4e09 [1] => \u674e\u56db [2] => \u738b\u4e94 [3] => \u8d75\u516d [4] => \u5b59\u4e03 )
\n6. \u6709\u610f\u5ffd\u7565 PHP \u5173\u95ed\u6807\u7b7e
\n\u95ee\u9898
\nPHP \u5173\u95ed\u6807\u7b7e\uff08?>\uff09\u540e\u82e5\u5b58\u5728\u7a7a\u683c \/ \u6362\u884c \/ \u7279\u6b8a\u5b57\u7b26\uff0c\u4f1a\u5bfc\u81f4\u300cHeaders already send error\u300d\uff08\u54cd\u5e94\u5934\u5df2\u53d1\u9001\u9519\u8bef\uff09\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ \u4e0d\u63a8\u8350\uff1a\u5b58\u5728\u5173\u95ed\u6807\u7b7e\uff0c\u4e14\u540e\u9762\u6709\u591a\u4f59\u5b57\u7b26
\n
\n<\/p>\n\/\/ \u63a8\u8350\uff1a\u7701\u7565\u5173\u95ed\u6807\u7b7e
\n
\n7. \u96c6\u4e2d\u6536\u96c6\u8f93\u51fa\uff0c\u4f7f\u7528\u8f93\u51fa\u7f13\u51b2
\n\u95ee\u9898
\n\u5206\u6563\u8f93\u51fa\u5185\u5bb9\uff0c\u65e0\u6cd5\u7edf\u4e00\u4fee\u6539\uff0c\u4e14\u53ef\u80fd\u51fa\u73b0\u300c\u5904\u7406\u4e0e\u8f93\u51fa\u6df7\u5408\u300d\u7684\u9875\u9762\u9519\u8bef\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ \u4e0d\u63a8\u8350\uff1a\u5206\u6563\u8f93\u51fa
\nfunction show_header() {
\necho ”<\/p>\n\u7f51\u7ad9\u6807\u9898<\/h1>\n
“;
\n}
\nfunction show_content() {
\necho ”<\/p>\n\u7f51\u7ad9\u5185\u5bb9<\/p>\n
“;
\n}
\nshow_header();
\nshow_content();<\/p>\n\/\/ \u63a8\u83501\uff1a\u624b\u52a8\u6536\u96c6\u8f93\u51fa\uff08\u5c40\u90e8\u53d8\u91cf\uff09
\nfunction show_header_new() {
\n$html = ”<\/p>\n\u7f51\u7ad9\u6807\u9898<\/h1>\n
“;
\nreturn $html;
\n}
\nfunction show_content_new() {
\n$html = ”<\/p>\n\u7f51\u7ad9\u5185\u5bb9<\/p>\n
“;
\nreturn $html;
\n}
\n\/\/ \u96c6\u4e2d\u8f93\u51fa
\n$output = “”;
\n$output .= show_header_new();
\n$output .= show_content_new();
\n\/\/ \u7edf\u4e00\u4fee\u6539\u8f93\u51fa\uff08\u793a\u4f8b\uff1a\u66ff\u6362\u5173\u952e\u8bcd\uff09
\n$output = str_replace(“\u7f51\u7ad9”, “\u6211\u7684\u7f51\u7ad9”, $output);
\necho $output;<\/p>\n\/\/ \u63a8\u83502\uff1a\u4f7f\u7528PHP\u5185\u7f6e\u8f93\u51fa\u7f13\u51b2\u51fd\u6570
\nob_start(); \/\/ \u5f00\u542f\u8f93\u51fa\u7f13\u51b2\uff08\u540e\u7eedecho\u5185\u5bb9\u4e0d\u4f1a\u76f4\u63a5\u53d1\u9001\u5230\u6d4f\u89c8\u5668\uff0c\u800c\u662f\u5b58\u5165\u7f13\u51b2\u533a\uff09
\nshow_header();
\nshow_content();
\n$output = ob_get_clean(); \/\/ \u83b7\u53d6\u7f13\u51b2\u533a\u5185\u5bb9\u5e76\u6e05\u7a7a\u7f13\u51b2\u533a
\n$output = str_replace(“\u7f51\u7ad9”, “\u6211\u7684\u7f51\u7ad9”, $output);
\necho $output;
\n8. \u53d1\u9001\u6b63\u786e\u7684 MIME \u7c7b\u578b\u5934\u4fe1\u606f
\n\u95ee\u9898
\n\u4e0d\u6307\u5b9a MIME \u7c7b\u578b\uff0c\u6d4f\u89c8\u5668\u53ef\u80fd\u65e0\u6cd5\u6b63\u786e\u89e3\u6790\u5185\u5bb9\uff08\u5982 XML\u3001JSON\u3001JS \u7b49\uff09\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ \u793a\u4f8b1\uff1a\u8f93\u51faXML
\nheader(“Content-Type: application\/xml; charset=utf-8”);
\necho ‘‘;
\necho ‘\u5f20\u4e0925’;<\/p>\n\/\/ \u793a\u4f8b2\uff1a\u8f93\u51faJSON
\nheader(“Content-Type: application\/json; charset=utf-8”);
\n$user = [“name” => “\u5f20\u4e09”, “age” => 25];
\necho json_encode($user, JSON_UNESCAPED_UNICODE);<\/p>\n\/\/ \u793a\u4f8b3\uff1a\u8f93\u51faJavaScript
\nheader(“Content-Type: application\/javascript; charset=utf-8”);
\necho ‘var user = {name: “\u5f20\u4e09”, age: 25};’;<\/p>\n\/\/ \u793a\u4f8b4\uff1a\u8f93\u51faCSS
\nheader(“Content-Type: text\/css; charset=utf-8”);
\necho ‘body {font-size: 14px; color: #333;}’;<\/p>\n\/\/ \u793a\u4f8b5\uff1a\u8f93\u51fa\u56fe\u7247\uff08JPG\uff09
\nheader(“Content-Type: image\/jpeg”);
\n$img = imagecreatefromjpeg(“test.jpg”);
\nimagejpeg($img);
\nimagedestroy($img);
\n9. \u4e3a MySQL \u8fde\u63a5\u8bbe\u7f6e\u6b63\u786e\u7684\u5b57\u7b26\u7f16\u7801
\n\u95ee\u9898
\n\u6570\u636e\u5e93\u8868\u5df2\u8bbe\u7f6e UTF-8\uff0c\u4f46 PHP \u8fde\u63a5\u672a\u6307\u5b9a\u7f16\u7801\uff0c\u5bfc\u81f4\u4e2d\u6587\u4e71\u7801\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ MySQLi\uff08\u9762\u5411\u8fc7\u7a0b\uff09
\n$conn = mysqli_connect(“localhost”, “root”, “123456”, “test_db”);
\n\/\/ \u8bbe\u7f6e\u8fde\u63a5\u7f16\u7801\uff08\u5173\u952e\uff09
\nmysqli_set_charset($conn, “utf8mb4”); \/\/ \u63a8\u8350utf8mb4\uff0c\u652f\u6301emoji\u8868\u60c5<\/p>\n\/\/ MySQLi\uff08\u9762\u5411\u5bf9\u8c61\uff09
\n$conn = new mysqli(“localhost”, “root”, “123456”, “test_db”);
\n$conn->set_charset(“utf8mb4”);<\/p>\n\/\/ PDO
\n$dsn = “mysql:host=localhost;dbname=test_db;charset=utf8mb4”;
\n$conn = new PDO($dsn, “root”, “123456”);
\n10. \u4f7f\u7528 htmlentities \u8bbe\u7f6e\u6b63\u786e\u7684\u7f16\u7801\u9009\u9879
\n\u95ee\u9898
\nPHP5.4 \u524d\u9ed8\u8ba4\u7f16\u7801\u4e3a ISO-8859-1\uff0c\u65e0\u6cd5\u6b63\u786e\u8f93\u51fa\u4e2d\u6587\u7b49\u7279\u6b8a\u5b57\u7b26\uff0c\u5bfc\u81f4\u4e71\u7801\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ \u4e0d\u63a8\u8350\uff1a\u4e0d\u6307\u5b9a\u7f16\u7801\uff08PHP5.4\u524d\u9ed8\u8ba4ISO-8859-1\uff09
\n$str = “\u00c0 \u00e2 \u5f20\u4e09”;
\necho htmlentities($str); \/\/ \u4e71\u7801<\/p>\n\/\/ \u63a8\u8350\uff1a\u6307\u5b9aUTF-8\u7f16\u7801
\n$str = “\u00c0 \u00e2 \u5f20\u4e09”;
\n\/\/ htmlentities\uff1a\u8f6c\u6362\u6240\u6709HTML\u7279\u6b8a\u5b57\u7b26
\necho htmlentities($str, ENT_QUOTES, “UTF-8”);<\/p>\n\/\/ \u8865\u5145\uff1ahtmlspecialchars\uff08\u4ec5\u8f6c\u6362\u5173\u952eHTML\u7279\u6b8a\u5b57\u7b26\uff0c\u6027\u80fd\u66f4\u9ad8\uff09
\necho htmlspecialchars($str, ENT_QUOTES, “UTF-8”);
\n11. \u4e0d\u8981\u5728\u5e94\u7528\u4e2d\u4f7f\u7528 gzip \u538b\u7f29\u8f93\u51fa
\n\u8bf4\u660e
\nPHP \u7684 ob_gzhandler \u8d1f\u8d23\u5e94\u7528\u903b\u8f91\u5373\u53ef\uff0c\u538b\u7f29\u4f18\u5316\u5e94\u4ea4\u7ed9\u670d\u52a1\u5668\uff08\u66f4\u9ad8\u6548\uff09\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ \u4e0d\u63a8\u8350\uff1a\u4f7f\u7528PHP\u8fdb\u884cgzip\u538b\u7f29
\n\/\/ ob_start(“ob_gzhandler”);<\/p>\n\/\/ \u63a8\u8350\uff1a\u4f7f\u7528Apache\/Nginx\u8fdb\u884c\u538b\u7f29
\n\/\/ Apache\uff1a\u5f00\u542fmod_gzip\/mod_deflate\u6a21\u5757\uff08\u914d\u7f6ehttpd.conf\uff09
\n\/\/ Nginx\uff1a\u5f00\u542fgzip\u6a21\u5757\uff08\u914d\u7f6enginx.conf\uff09
\ngzip on;
\ngzip_types text\/plain text\/css application\/json application\/javascript text\/xml application\/xml application\/xml+rss text\/javascript;
\n12. \u4f7f\u7528 json_encode \u8f93\u51fa\u52a8\u6001 JavaScript \u5185\u5bb9
\n\u95ee\u9898
\n\u624b\u52a8\u62fc\u63a5 JavaScript \u53d8\u91cf\uff0c\u6613\u51fa\u73b0\u8bed\u6cd5\u9519\u8bef\u548c\u5f15\u53f7\u51b2\u7a81\u3002
\n\u89e3\u51b3\u65b9\u6848
\nphp
\n\u8fd0\u884c
\n\/\/ \u4e0d\u63a8\u8350\uff1a\u624b\u52a8\u62fc\u63a5
\n$user = [“name” => “\u5f20\u4e09”, “age” => 25, “desc” => “\u4ed6\u8bf4\uff1a’Hello World'”];
\necho “