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

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

Mfano

Wacha tubadilishe mfumo rahisi wa JSON kuwa kitu cha PHP:

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

Matokeo ya kutekeleza kificho:

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

Mfano

Wacha tubadilishe mfumo wa JSON kuwa jalada linalohusiana:

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

Matokeo ya kutekeleza kificho:

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

Mfano

Kushughulikia JSON isiyo sahihi:

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

Matokeo ya kutekeleza kificho:

phpNULL

Angalia pia