PHP 直接有寫好函式庫可以處理 JSON 字串，就是利用 json_encode 跟json_decode
範例:
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| <?php$cart = array( "orderID" => 12345, "shopperName" => "John Smith", "shopperEmail" => "johnsmith@example.com", "contents" => array( array( "productID" => 34, "productName" => "SuperWidget", "quantity" => 1 ), array( "productID" => 56, "productName" => "WonderWidget", "quantity" => 3 ) ), "orderCompleted" => true);echo json_encode( $cart );?> |
輸出
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| {"orderID":12345,"shopperName":"John Smith","shopperEmail":"johnsmith@example.com","contents":[{"productID":34,"productName":"SuperWidget","quantity":1},{"productID":56,"productName":"WonderWidget","quantity":3}],"orderCompleted":true} |
只要用 array 方式將資料輸出，再透過 json_encode 就可以了
接下來看看底下 PHP 如何讀取 JSON 字串
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| <?php$jsonString = '{ "orderID": 12345, "shopperName": "John Smith", "shopperEmail": "johnsmith@example.com", "contents": [ { "productID": 34, "productName": "SuperWidget", "quantity": 1 }, { "productID": 56, "productName": "WonderWidget", "quantity": 3 } ], "orderCompleted": true } ';$cart = json_decode( $jsonString );echo $cart->shopperEmail . "<br>";echo $cart->contents[1]->productName . "<br>";?> |
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