Kazi ya json_decode

Kazi ya json_decode inabadilisha mfumo wa JSON kuwa viambajengo vya PHP. Kigezo cha kwanza kinakubali mfumo wa JSON, cha pili - bendera ya ubadilishaji (si lazima), na cha tatu - kina cha urudiaji (si lazima). Kwa chaguo-msingi kazi hurudisha majalada yanayohusiana.

Sintaksia

json_decode(string, [assoc = false], [depth = 512], [flags = 0]);

Mfano

Wacha tubadilishe mfumo rahisi wa JSON kuwa kitu cha PHP:

<?php
	$json = '{"a":1,"b":2,"c":3}';
	$res = json_decode($json);
	print_r($res);
?>

Matokeo ya kutekeleza kificho:

stdClass Object
(
	[a] => 1
	[b] => 2
	[c] => 3
)

Mfano

Wacha tubadilishe mfumo wa JSON kuwa jalada linalohusiana:

<?php
	$json = '{"a":1,"b":2,"c":3}';
	$res = json_decode($json, true);
	print_r($res);
?>

Matokeo ya kutekeleza kificho:

[
	'a' => 1,
	'b' => 2,
	'c' => 3,
]

Mfano

Kushughulikia JSON isiyo sahihi:

<?php
	$json = '{"a":1,"b":2,"c":3';
	$res = json_decode($json);
	var_dump($res);
?>

Matokeo ya kutekeleza kificho:

NULL

Angalia pia

kazi json_encode,
inayobadilisha data ya PHP kuwa JSON
kazi serialize,
inayobadilisha data ya PHP kuwa mfumo