PHP processing JSON string key missing double quote resolution, jsonkey_php Tutorial

PHP processing JSON string key missing double quote resolution, Jsonkey

This article describes the PHP processing JSON string key missing quotes solution, share for everyone for reference. Here's how:

Typically, JSON strings are strings in the form of key:value, and normal keys are enclosed in double quotes.

For example:

<?php$data = Array (' name ' = ' Fdipzone '); Echo Json_encode ($data);            {"Name": "Fdipzone"}print_r (Json_decode (Json_encode ($data), true)); Array ([name] = Fdipzone)?>

However, if the key of the JSON string is missing a double-quoted, then Json_decode will fail.

<?php$str = ' {' name ': ' Fdipzone '} '; Var_dump (Json_decode ($str, true)); Array (1) {["Name"]=> string (8) "Fdipzone"} $str 1 = ' {name: "Fdipzone"} '; Var_dump (Json_decode ($str 1, true)); Null?>

WORKAROUND: Determine if there is a missing double-quoted key, if missing the first to replace with "key", then the Json_decode operation.

<?php/** compatible key does not have a double-quoted JSON string parsing * @param string $str JSON String * @param boolean $mod true:array,false:object* @return Arra Y/object*/function Ext_json_decode ($str, $mode =false) {  if (preg_match ('/\w:/', $str)) {    $str = preg_replace (' /(\w+):/is ', ' "$": ', $str);  }  Return Json_decode ($str, $mode);} $str = ' {' name ': ' Fdipzone '} '; Var_dump (Ext_json_decode ($str, true)); Array (1) {["Name"]=> string (8) "Fdipzone"} $str 1 = ' {name: "Fdipzone"} '; Var_dump (Ext_json_decode ($str 1, true)); Array (1) {["Name"]=> string (8) "Fdipzone"}?>

I hope this article will be helpful for you to learn PHP programming.

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