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在 PHP 中,处理复杂数据结构的常用方法是使用数组和对象
- 创建一个包含多个数组的数组(二维数组):
$students = [ ['name' => 'Alice', 'age' => 20, 'major' => 'Computer Science'], ['name' => 'Bob', 'age' => 22, 'major' => 'Mathematics'], ['name' => 'Charlie', 'age' => 21, 'major' => 'Physics'] ];
- 遍历这个二维数组并显示每个学生的信息:
foreach ($students as $student) { echo "Name: " . $student['name'] . "<br>"; echo "Age: " . $student['age'] . "<br>"; echo "Major: " . $student['major'] . "<br><br>"; }
- 使用对象表示数据结构。首先,创建一个表示学生的类:
class Student { public $name; public $age; public $major; public function __construct($name, $age, $major) { $this->name = $name; $this->age = $age; $this->major = $major; } public function display() { echo "Name: " . $this->name . "<br>"; echo "Age: " . $this->age . "<br>"; echo "Major: " . $this->major . "<br><br>"; } }
- 创建一个包含多个学生对象的数组:
$students = [ new Student('Alice', 20, 'Computer Science'), new Student('Bob', 22, 'Mathematics'), new Student('Charlie', 21, 'Physics') ];
- 遍历学生对象数组并调用每个对象的
display
方法:
foreach ($students as $student) { $student->display(); }
这些示例展示了如何使用 PHP 处理复杂数据结构并显示其内容。你可以根据需要调整代码以适应不同的数据结构和显示需求。