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PHP? ???? JSON? ???? ??? ???????
? ??? ?? PHP ???? PHP? ???? JSON? ???? ??? ???????

PHP? ???? JSON? ???? ??? ???????

Dec 23, 2024 am 10:09 AM

How Do I Access Data from JSON Using PHP?

PHP? ???? JSON? ???? ??? ???????

PHP? JSON ???? ????? ?? PHP ??? ??? ???? json_decode() ??? ?????. ??? ????? ??? ???????.

?? ?? ???:

?? ??? $object->property? ?? ???? ? ????. ?: 

$json = '{"type": "donut", "name": "Cake"}';
$yummy = json_decode($json);
echo $yummy->type; // "donut"

?? ?? ???:

?? ??? $array[0]? ?? ???? ? ????. ?: 

$json = '["Glazed", "Chocolate with Sprinkles", "Maple"]';
$toppings = json_decode($json);
echo $toppings[1]; // "Chocolate with Sprinkles"

?? ?? ???:

?? ??? $object-> ->?. :

$json = '{"type": "donut", "name": "Cake", "toppings": [{"id": "5002", "type": "Glazed"}]}';
$yummy = json_decode($json);
echo $yummy->toppings[0]->id; // "5002"

????? ??:

JSON? ????? json_decode()? ? ?? ????? true? ?????. ??? ?? ???? ?? ??? ??????: 

$json = '{"type": "donut", "name": "Cake"}';
$yummy = json_decode($json, true);
echo $yummy['type']; // "donut"

?? ?? ??? ???:

? foreach(array_expression as $key)? ?? ??? ? ????. =>$ ??) ? ? ? ??: 

$json = '{"foo": "foo value", "bar": "bar value", "baz": "baz value"}';
$assoc = json_decode($json, true);
foreach ($assoc as $key => $value) {
    echo "The value of key '$key' is '$value'" . PHP_EOL;
}

??: 

The value of key 'foo' is 'foo value'
The value of key 'bar' is 'bar value'
The value of key 'baz' is 'baz value'

? ? ?? ??? ??:

??? ??? ??? ?? , ?? ??? ????? print_r()? ?????. ??? ?????. 

print_r(json_decode($json));

json_decode()? null? ?????.

?? JSON? null??? ???? ?? ??? ?????. ?? ???? ????? json_last_error_msg()? ?????.

?? ?? ?? ??:

?? ??? ??? ?? ??? ?????? {"@attributes":{"answer":42}}? ?????. 

$json = '{"@attributes":{"answer":42}}';
$thing = json_decode($json);
echo $thing->{'@attributes'}->answer; //42

? ??? PHP? ???? JSON? ???? ??? ???????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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