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Code Modernization: Remove JSON related polyfills.

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The PHP native JSON extension has been bundled and compiled with PHP by default since version 5.2.0. Because the minimum version of PHP required by WordPress is now 5.6.20 (see #46594 and [45058]), JSON extension related polyfills and backwards compatibility code can now be removed.

This change removes the `json_last_error_msg()` and `JsonSerializable` polyfills included in WordPress for full JSON extension support in PHP < 5.6.

Follow up of [46205-46206].

See #47699.
Props jrf, Clorith, pento.
Built from https://develop.svn.wordpress.org/trunk@46208


git-svn-id: http://core.svn.wordpress.org/trunk@46020 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
desrosj 2019-09-20 20:16:58 +00:00
parent a2f45dc9eb
commit e589297afc
2 changed files with 1 additions and 127 deletions
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126
wp-includes/compat.php
View File

@ -289,53 +289,6 @@ function _hash_hmac( $algo, $data, $key, $raw_output = false ) {
return $hmac;
}
if ( ! function_exists( 'json_encode' ) ) {
function json_encode( $string ) {
global $wp_json;
if ( ! ( $wp_json instanceof Services_JSON ) ) {
require_once( ABSPATH . WPINC . '/class-json.php' );
$wp_json = new Services_JSON();
}
return $wp_json->encodeUnsafe( $string );
}
}
if ( ! function_exists( 'json_decode' ) ) {
/**
* @global Services_JSON $wp_json
* @param string $string
* @param bool $assoc_array
* @return object|array
*/
function json_decode( $string, $assoc_array = false ) {
global $wp_json;
if ( ! ( $wp_json instanceof Services_JSON ) ) {
require_once( ABSPATH . WPINC . '/class-json.php' );
$wp_json = new Services_JSON();
}
$res = $wp_json->decode( $string );
if ( $assoc_array ) {
$res = _json_decode_object_helper( $res );
}
return $res;
}
/**
* @param object $data
* @return array
*/
function _json_decode_object_helper( $data ) {
if ( is_object( $data ) ) {
$data = get_object_vars( $data );
}
return is_array( $data ) ? array_map( __FUNCTION__, $data ) : $data;
}
}
if ( ! function_exists( 'hash_equals' ) ) :
/**
* Timing attack safe string comparison
@ -373,85 +326,6 @@ if ( ! function_exists( 'hash_equals' ) ) :
}
endif;
// JSON_PRETTY_PRINT was introduced in PHP 5.4
// Defined here to prevent a notice when using it with wp_json_encode()
if ( ! defined( 'JSON_PRETTY_PRINT' ) ) {
define( 'JSON_PRETTY_PRINT', 128 );
}
if ( ! function_exists( 'json_last_error_msg' ) ) :
/**
* Retrieves the error string of the last json_encode() or json_decode() call.
*
* @since 4.4.0
*
* @internal This is a compatibility function for PHP <5.5
*
* @return bool|string Returns the error message on success, "No Error" if no error has occurred,
* or false on failure.
*/
function json_last_error_msg() {
// See https://core.trac.wordpress.org/ticket/27799.
if ( ! function_exists( 'json_last_error' ) ) {
return false;
}
$last_error_code = json_last_error();
// Just in case JSON_ERROR_NONE is not defined.
$error_code_none = defined( 'JSON_ERROR_NONE' ) ? JSON_ERROR_NONE : 0;
switch ( true ) {
case $last_error_code === $error_code_none:
return 'No error';
case defined( 'JSON_ERROR_DEPTH' ) && JSON_ERROR_DEPTH === $last_error_code:
return 'Maximum stack depth exceeded';
case defined( 'JSON_ERROR_STATE_MISMATCH' ) && JSON_ERROR_STATE_MISMATCH === $last_error_code:
return 'State mismatch (invalid or malformed JSON)';
case defined( 'JSON_ERROR_CTRL_CHAR' ) && JSON_ERROR_CTRL_CHAR === $last_error_code:
return 'Control character error, possibly incorrectly encoded';
case defined( 'JSON_ERROR_SYNTAX' ) && JSON_ERROR_SYNTAX === $last_error_code:
return 'Syntax error';
case defined( 'JSON_ERROR_UTF8' ) && JSON_ERROR_UTF8 === $last_error_code:
return 'Malformed UTF-8 characters, possibly incorrectly encoded';
case defined( 'JSON_ERROR_RECURSION' ) && JSON_ERROR_RECURSION === $last_error_code:
return 'Recursion detected';
case defined( 'JSON_ERROR_INF_OR_NAN' ) && JSON_ERROR_INF_OR_NAN === $last_error_code:
return 'Inf and NaN cannot be JSON encoded';
case defined( 'JSON_ERROR_UNSUPPORTED_TYPE' ) && JSON_ERROR_UNSUPPORTED_TYPE === $last_error_code:
return 'Type is not supported';
default:
return 'An unknown error occurred';
}
}
endif;
if ( ! interface_exists( 'JsonSerializable' ) ) {
define( 'WP_JSON_SERIALIZE_COMPATIBLE', true );
/**
* JsonSerializable interface.
*
* Compatibility shim for PHP <5.4
*
* @link https://secure.php.net/jsonserializable
*
* @since 4.4.0
*/
interface JsonSerializable {
// phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid
public function jsonSerialize();
}
}
// random_int was introduced in PHP 7.0
if ( ! function_exists( 'random_int' ) ) {
require ABSPATH . WPINC . '/random_compat/random.php';

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.3-alpha-46207';
$wp_version = '5.3-alpha-46208';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.