How to make json_encode not escape Chinese in PHP?

#PHP How to make json_encode not escape Chinese?

PHP method to make json_encode not escape Chinese: When using the "json_encode()" function to perform JSON encoding, pass in the constant "JSON_UNESCAPED_UNICODE" in the second parameter, which means literal encoding Multibyte Unicode characters.

Code Example

$jsonStr = json_encode($data,JSON_UNESCAPED_UNICODE);

JSON Predefined Constants

JSON_ERROR_NONE (integer)

No error occurred. Effective as of PHP 5.3.0.

JSON_ERROR_DEPTH (integer)

The maximum stack depth has been reached. Effective as of PHP 5.3.0.

JSON_ERROR_STATE_MISMATCH (integer)

An underflow or pattern mismatch occurred. Effective as of PHP 5.3.0.

JSON_ERROR_CTRL_CHAR (integer)

The control character is wrong, maybe the encoding is wrong. Effective as of PHP 5.3.0.

JSON_ERROR_SYNTAX (integer)

Syntax error. Effective as of PHP 5.3.0.

JSON_ERROR_UTF8 (integer)

Exceptional UTF-8 character, perhaps due to incorrect encoding. Effective since PHP 5.3.3.

JSON_ERROR_RECURSION (integer)

The object or array passed to json_encode() include recursive references and cannot be encoded. If the JSON_PARTIAL_OUTPUT_ON_ERROR option was given, NULL will be encoded in the place of the recursive reference. Available since PHP 5.5.0.

JSON_ERROR_INF_OR_NAN (integer)

The value passed to json_encode() includes either NAN or INF. If the JSON_PARTIAL_OUTPUT_ON_ERROR option was given, 0 will be encoded in the place of these special numbers. Available since PHP 5.5.0.

JSON_ERROR_UNSUPPORTED_TYPE (integer)

A value of an unsupported type was given to json_encode(), such as a resource. If the JSON_PARTIAL_OUTPUT_ON_ERROR option was given, NULL will be encoded in the place of the unsupported value. Available since PHP 5.5.0.

JSON_ERROR_INVALID_PROPERTY_NAME (integer)

A key starting with \u0000 character was in the string passed to json_decode() when decoding a JSON object into a PHP object. Available since PHP 7.0.0.

JSON_ERROR_UTF16 (integer)

Single unpaired UTF-16 surrogate in unicode escape contained in the JSON string passed to json_encode(). Available since PHP 7.0.0.

The following constants can be used in conjunction with the form option of json_decode().

JSON_BIGINT_AS_STRING (integer)

Encode the large number into the original value of the original character. Effective as of PHP 5.4.0.

JSON_OBJECT_AS_ARRAY (integer)

Decodes JSON objects as PHP array. This option can be added automatically by calling json_decode() with the second parameter equal to TRUE. Available since PHP 5.4.0.

The following constants can be used in conjunction with the form option of json_encode().

JSON_HEX_TAG (integer)

All are converted to \u003C and \u003E. Effective as of PHP 5.3.0.

JSON_HEX_AMP (integer)

All &s are converted to \u0026. Effective as of PHP 5.3.0.

JSON_HEX_APOS (integer)

All ' are converted to \u0027. Effective as of PHP 5.3.0.

JSON_HEX_QUOT (integer)

Convert all " to \u0022. Effective since PHP 5.3.0.

JSON_FORCE_OBJECT (integer)

Enable a Non-associative arrays output a class (Object) instead of an array. This is especially useful when the array is empty and the receiver expects a class (Object). Effective since PHP 5.3.0.

JSON_NUMERIC_CHECK (integer)

Encode all numeric strings into numbers. Effective since PHP 5.3.3.

JSON_PRETTY_PRINT (integer)

Format the returned data with whitespace characters. Valid as of PHP 5.4.0.

JSON_UNESCAPED_SLASHES (integer)

Do not encode/. Valid as of PHP 5.4.0.

JSON_UNESCAPED_UNICODE (integer)

Encode multi-byte Unicode characters literally (default is encoded as \uXXXX). Effective since PHP 5.4.0.

JSON_PARTIAL_OUTPUT_ON_ERROR (integer)

Substitute some unencodable values ​​instead of failing Available since PHP 5.5.0.

JSON_PRESERVE_ZERO_FRACTION (integer)

Ensures that float values ​​are always encoded as a float value. Available since PHP 5.6.6.

JSON_UNESCAPED_LINE_TERMINATORS (integer)

The line terminators are kept unescaped when JSON_UNESCAPED_UNICODE is supplied. It uses the same behavior as it was before PHP 7.1 without this constant. Available since PHP 7.1.0.

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