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<title>[46205] trunk: Code Modernization: Deprecate the `Services_JSON` and `Services_JSON_Error` classes.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/46205">46205</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/46205","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>desrosj</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2019-09-20 19:52:38 +0000 (Fri, 20 Sep 2019)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Code Modernization: Deprecate the `Services_JSON` and `Services_JSON_Error` classes.
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 <a href="https://core.trac.wordpress.org/ticket/46594">#46594</a> and <a href="https://core.trac.wordpress.org/changeset/45058">[45058]</a>), JSON extension related polyfills and backwards compatibility code can now be removed.
Since there are still some plugins and themes that utilize the `Services_JSON` class, these classes will remain for the time being, but including the `wp-includes/class-json.php` file and creating `Services_JSON` instances will now throw deprecated notices.
See <a href="https://core.trac.wordpress.org/ticket/47699">#47699</a>.
Props jrf, Clorith, pento.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclassjsonphp">trunk/src/wp-includes/class-json.php</a></li>
<li><a href="#trunktestsphpunittestscompatphp">trunk/tests/phpunit/tests/compat.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesclassjsonphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/class-json.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-json.php 2019-09-20 19:26:33 UTC (rev 46204)
+++ trunk/src/wp-includes/class-json.php 2019-09-20 19:52:38 UTC (rev 46205)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,4 +1,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> <?php
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+_deprecated_file( basename( __FILE__ ), '5.3.0', null, 'The PHP native JSON extension is now a requirement.' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( ! class_exists( 'Services_JSON' ) ) :
</span><span class="cx" style="display: block; padding: 0 10px"> /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -142,6 +144,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function __construct( $use = 0 )
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $this->use = $use;
</span><span class="cx" style="display: block; padding: 0 10px"> $this->_mb_strlen = function_exists('mb_strlen');
</span><span class="cx" style="display: block; padding: 0 10px"> $this->_mb_convert_encoding = function_exists('mb_convert_encoding');
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -152,6 +156,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * PHP4 constructor.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> public function Services_JSON( $use = 0 ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_constructor( 'Services_JSON', '5.3.0', get_class( $this ) );
</ins><span class="cx" style="display: block; padding: 0 10px"> self::__construct( $use );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> // private - cache the mbstring lookup results..
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -172,6 +177,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function utf162utf8($utf16)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> // oh please oh please oh please oh please oh please
</span><span class="cx" style="display: block; padding: 0 10px"> if($this->_mb_convert_encoding) {
</span><span class="cx" style="display: block; padding: 0 10px"> return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16');
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -216,6 +223,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function utf82utf16($utf8)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> // oh please oh please oh please oh please oh please
</span><span class="cx" style="display: block; padding: 0 10px"> if($this->_mb_convert_encoding) {
</span><span class="cx" style="display: block; padding: 0 10px"> return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8');
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -260,6 +269,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function encode($var)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> header('Content-type: application/json');
</span><span class="cx" style="display: block; padding: 0 10px"> return $this->encodeUnsafe($var);
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -276,6 +287,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function encodeUnsafe($var)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> // see bug #16908 - regarding numeric locale printing
</span><span class="cx" style="display: block; padding: 0 10px"> $lc = setlocale(LC_NUMERIC, 0);
</span><span class="cx" style="display: block; padding: 0 10px"> setlocale(LC_NUMERIC, 'C');
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -297,7 +310,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function _encode($var)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> switch (gettype($var)) {
</span><span class="cx" style="display: block; padding: 0 10px"> case 'boolean':
</span><span class="cx" style="display: block; padding: 0 10px"> return $var ? 'true' : 'false';
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -539,6 +553,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function name_value($name, $value)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $encoded_value = $this->_encode($value);
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if(Services_JSON::isError($encoded_value)) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -558,6 +574,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function reduce_string($str)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $str = preg_replace(array(
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // eliminate single line comments in '// ...' form
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -589,6 +607,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function decode($str)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> $str = $this->reduce_string($str);
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> switch (strtolower($str)) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -774,7 +794,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $parts = array();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:/Uis', $slice, $parts)) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // "name":value pair
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // "name":value pair
</ins><span class="cx" style="display: block; padding: 0 10px"> $key = $this->decode($parts[1]);
</span><span class="cx" style="display: block; padding: 0 10px"> $val = $this->decode(trim(substr($slice, strlen($parts[0])), ", \t\n\r\0\x0B"));
</span><span class="cx" style="display: block; padding: 0 10px"> if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -870,6 +890,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function isError($data, $code = null)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> if (class_exists('pear')) {
</span><span class="cx" style="display: block; padding: 0 10px"> return PEAR::isError($data, $code);
</span><span class="cx" style="display: block; padding: 0 10px"> } elseif (is_object($data) && (get_class($data) == 'services_json_error' ||
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -887,6 +909,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function strlen8( $str )
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( $this->_mb_strlen ) {
</span><span class="cx" style="display: block; padding: 0 10px"> return mb_strlen( $str, "8bit" );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -902,6 +926,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function substr8( $string, $start, $length=false )
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( $length === false ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $length = $this->strlen8( $string ) - $start;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -920,14 +946,16 @@
</span><span class="cx" style="display: block; padding: 0 10px"> function __construct($message = 'unknown error', $code = null,
</span><span class="cx" style="display: block; padding: 0 10px"> $mode = null, $options = null, $userinfo = null)
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> parent::PEAR_Error($message, $code, $mode, $options, $userinfo);
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- public function Services_JSON_Error($message = 'unknown error', $code = null,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function Services_JSON_Error($message = 'unknown error', $code = null,
</ins><span class="cx" style="display: block; padding: 0 10px"> $mode = null, $options = null, $userinfo = null) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- self::__construct($message = 'unknown error', $code = null,
- $mode = null, $options = null, $userinfo = null);
- }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_constructor( 'Services_JSON_Error', '5.3.0', get_class( $this ) );
+ self::__construct($message, $code, $mode, $options, $userinfo);
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -943,7 +971,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> function __construct( $message = 'unknown error', $code = null,
</span><span class="cx" style="display: block; padding: 0 10px"> $mode = null, $options = null, $userinfo = null )
</span><span class="cx" style="display: block; padding: 0 10px"> {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_function( __METHOD__, '5.3.0', 'The PHP native JSON extension' );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -951,10 +979,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> public function Services_JSON_Error( $message = 'unknown error', $code = null,
</span><span class="cx" style="display: block; padding: 0 10px"> $mode = null, $options = null, $userinfo = null ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ _deprecated_constructor( 'Services_JSON_Error', '5.3.0', get_class( $this ) );
</ins><span class="cx" style="display: block; padding: 0 10px"> self::__construct( $message, $code, $mode, $options, $userinfo );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> endif;
</span></span></pre></div>
<a id="trunktestsphpunittestscompatphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/compat.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/compat.php 2019-09-20 19:26:33 UTC (rev 46204)
+++ trunk/tests/phpunit/tests/compat.php 2019-09-20 19:52:38 UTC (rev 46205)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -179,6 +179,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( array( 1 => '993003b95758e0ac2eba451a4c5877eb1bb7b92a' ), unpack( 'H40', _hash_hmac( 'sha1', 'simple', 'key', true ) ) );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+ * @expectedException PHPUnit_Framework_Error_Notice
+ */
</ins><span class="cx" style="display: block; padding: 0 10px"> function test_json_encode_decode() {
</span><span class="cx" style="display: block; padding: 0 10px"> require_once( ABSPATH . WPINC . '/class-json.php' );
</span><span class="cx" style="display: block; padding: 0 10px"> $json = new Services_JSON();
</span></span></pre>
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