PHP uses foreach to get a value in a two-dimensional associative array (with instances)

PHP use foreach To get a value in the associative array （ There are examples ）

** Association array definition ：** The subscript of an associative array is a mixture of numeric values and strings . If in an array , One key name is not a number , Then this array is called associative array .

Here are some Inline code slice .

<?php
// Define a 2D associative array 
$arr = array(
    array('name'=>'zhangsan','chinese'=>'99','math'=>'65'),
    array('name'=>'lisi','chinese'=>'61','math'=>'85')
);

foreach ($arr as $k=>$v){
    
    echo $v['name'];
    echo  "<br>";
}

?>