foreach($arr as $key => $value){ echo "{$key}==>{$value}"; } 举个例子解析如下数组: $h51701 = array( "group1"=>array( array("name"=>"张三","age"=>14,"sex"=>"男"), array("name"=>"张三","age"=>14,"sex"=>"男"), array("name"=>"张三","age"=>14,"sex"=>"男...
你可以使用array类型提示来指示一个参数应该被视为一个数组。 该数组通过拆分输入字符串的逗号来生成。 下面的示例演示如何声明参数: classExampleControllerextends\yii\console\Controller{// 命令 "yii example/create test" 会调用 "actionCreate('test')"publicfunctionactionCreate($name){ ... }// 命令 "yii...
在这种情况下,上面的方法将抛出类似于以下内容的未捕获异常: Fatal error: UncaughtTypeError: Return value ofPerson::getAddress() must be an instance of Address,arrayreturned 这是因为我们返回的是一个数组,而不是一个Address对象。现在,问题是:为什么使用类型提示?使用类型提示的重要优势是它将始终避免意外地...
others: array, with PhpRedis >= 5.3.0, it allows setting auth and stream configuration. Return value BOOL: TRUE on success, FALSE on error. Example $redis->connect('127.0.0.1', 6379); $redis->connect('127.0.0.1'); // port 6379 by default $redis->connect('tls://127.0.0.1', 6379...
/*** 获取和设置配置参数 支持批量定义* @param string|array $name 配置变量* @param mixed $value 配置值* @param mixed $default 默认值* @return mixed*/function C($name = null, $value = null, $default = null){static $_config = array();// 无参数时获取所有if (empty($name)) {return...
string|null $value = null ) : void public __setLocation ( string $location = "" ) : string|null public __setSoapHeaders ( SoapHeader|array|null $headers = null ) : bool public __soapCall ( string $name , array $args , array|null $options = null , SoapHeader|array|null $input...
$exampleArray=array('firstKey'=>'firstValue','secondKey'=>'secondValue'); A.3.4 类 1.类的声明 用下面的约定来命名类: 花括号总是从类名下一行开始。 每个类必须有一个符合PHP编码标准的文档块。 4个空格的缩进。 每个PHP文件中只有一个类。
array( ... 'components'=>array( ... 'db'=>array( 'class'=>'CDbConnection', 'connectionString'=>'mysql:host=localhost;dbname=testdb', 'username'=>'root', 'password'=>'password', 'emulatePrepare'=>true, // needed by some MySQL installations ), ), ) 然后我们就...
$ composer require jakezatecky/array_group_by:^1.1.0 If you do not want to use Composer, you can justrequirethesrc/array_group_by.phpfile. Usage To usearray_group_by, simply pass an array with any number of keys to group by:
The values in the array will be used to find the user in your database table. So, in the example above, the user will be retrieved by the value of the email column. If the user is found, the hashed password stored in the database will be compared with the password value passed to...