How to convert json data to utf8 in php

php method to convert json data to utf8: 1. Create a PHP sample file; 2. Save the json array as utf8 through "json_encode($xm_json,JSON_UNESCAPED_UNICODE);".

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php How to convert json data to utf8 ?

php json is saved as utf8

json_encode($xm_json,JSON_UNESCAPED_UNICODE);//将json数组保存为utf8

php json_encode saves json as utf8

json_encode

(PHP 5 >= 5.2.0, PHP 7, PHP 8, PECL json >= 1.2.0)

json_encode — JSON encoding of variables

Description

json_encode(mixed $value, int $options = 0, int $depth = 512): string|false

Returns a string containing the JSON representation of value.

The encoding is affected by the options parameter passed in. In addition, the encoding of floating point values ​​depends on serialize_precision.

Parameters

value

The value to be encoded can be any data type except the resource type.

The encoding of all string data must be UTF-8.

Note:

PHP implements a superset of JSON, refer to » RFC 7159.

options

A binary mask composed of the following constants: JSON_FORCE_OBJECT, JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_INVALID_UTF8_IGNORE, JSON_INVALID_UTF8_SUBSTITUTE, JSON_NUMERIC_CHECK, JSON_PARTIAL_OUTPUT_ON_ERROR, JSON_PRESERVE_ZERO_FRACTION, JSON_PRETTY_PRINT, JSON_UNESCAPED_LINE_TERMINATORS, JSON_UNESCAPED_SLASHES, JSON_UNESCAPED_UNICODE, JSON_THROW_ON_ERROR. For details about JSON constants, please refer to the JSON constants page.

depth

Set the maximum depth. Must be greater than 0.

Return value

Returns a JSON encoded string on success or false on failure.

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