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<title>[54348] trunk: Script Loader: Prevent double space between attributes in `WP_Styles` class.</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/54348">54348</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/54348","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>audrasjb</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2022-09-28 14:57:55 +0000 (Wed, 28 Sep 2022)</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'>Script Loader: Prevent double space between attributes in `WP_Styles` class.
This changeset prevents `<link />` elements to display a double space between attributes when no `title` attribute is provided.
Props elten, audrasjb, whaze, SergeyBiryukov.
Fixes <a href="https://core.trac.wordpress.org/ticket/56675">#56675</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclasswpstylesphp">trunk/src/wp-includes/class-wp-styles.php</a></li>
<li><a href="#trunktestsphpunittestsdependenciesstylesphp">trunk/tests/phpunit/tests/dependencies/styles.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesclasswpstylesphp"></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-wp-styles.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-styles.php 2022-09-28 14:45:58 UTC (rev 54347)
+++ trunk/src/wp-includes/class-wp-styles.php 2022-09-28 14:57:55 UTC (rev 54348)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -224,10 +224,10 @@
</span><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"> $rel = isset( $obj->extra['alt'] ) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet';
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $title = isset( $obj->extra['title'] ) ? sprintf( "title='%s'", esc_attr( $obj->extra['title'] ) ) : '';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $title = isset( $obj->extra['title'] ) ? sprintf( " title='%s'", esc_attr( $obj->extra['title'] ) ) : '';
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $tag = sprintf(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- "<link rel='%s' id='%s-css' %s href='%s'%s media='%s' />\n",
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ "<link rel='%s' id='%s-css'%s href='%s'%s media='%s' />\n",
</ins><span class="cx" style="display: block; padding: 0 10px"> $rel,
</span><span class="cx" style="display: block; padding: 0 10px"> $handle,
</span><span class="cx" style="display: block; padding: 0 10px"> $title,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -259,7 +259,7 @@
</span><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"> $rtl_tag = sprintf(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- "<link rel='%s' id='%s-rtl-css' %s href='%s'%s media='%s' />\n",
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ "<link rel='%s' id='%s-rtl-css'%s href='%s'%s media='%s' />\n",
</ins><span class="cx" style="display: block; padding: 0 10px"> $rel,
</span><span class="cx" style="display: block; padding: 0 10px"> $handle,
</span><span class="cx" style="display: block; padding: 0 10px"> $title,
</span></span></pre></div>
<a id="trunktestsphpunittestsdependenciesstylesphp"></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/dependencies/styles.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/dependencies/styles.php 2022-09-28 14:45:58 UTC (rev 54347)
+++ trunk/tests/phpunit/tests/dependencies/styles.php 2022-09-28 14:57:55 UTC (rev 54348)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -63,10 +63,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'no-deps-null-version-print-media', 'example.com', array(), null, 'print' );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $ver = get_bloginfo( 'version' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected = "<link rel='stylesheet' id='no-deps-no-version-css' href='http://example.com?ver=$ver' type='text/css' media='all' />\n";
- $expected .= "<link rel='stylesheet' id='no-deps-version-css' href='http://example.com?ver=1.2' type='text/css' media='all' />\n";
- $expected .= "<link rel='stylesheet' id='no-deps-null-version-css' href='http://example.com' type='text/css' media='all' />\n";
- $expected .= "<link rel='stylesheet' id='no-deps-null-version-print-media-css' href='http://example.com' type='text/css' media='print' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected = "<link rel='stylesheet' id='no-deps-no-version-css' href='http://example.com?ver=$ver' type='text/css' media='all' />\n";
+ $expected .= "<link rel='stylesheet' id='no-deps-version-css' href='http://example.com?ver=1.2' type='text/css' media='all' />\n";
+ $expected .= "<link rel='stylesheet' id='no-deps-null-version-css' href='http://example.com' type='text/css' media='all' />\n";
+ $expected .= "<link rel='stylesheet' id='no-deps-null-version-print-media-css' href='http://example.com' type='text/css' media='print' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertSame( $expected, get_echo( 'wp_print_styles' ) );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -86,7 +86,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'no-deps-no-version', 'example.com' );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $ver = get_bloginfo( 'version' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected = "<link rel='stylesheet' id='no-deps-no-version-css' href='http://example.com?ver=$ver' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected = "<link rel='stylesheet' id='no-deps-no-version-css' href='http://example.com?ver=$ver' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertSame( $expected, get_echo( 'wp_print_styles' ) );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -107,24 +107,24 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Try with an HTTP reference.
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'reset-css-http', 'http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected .= "<link rel='stylesheet' id='reset-css-http-css' href='http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected .= "<link rel='stylesheet' id='reset-css-http-css' href='http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Try with an HTTPS reference.
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'reset-css-https', 'http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected .= "<link rel='stylesheet' id='reset-css-https-css' href='http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected .= "<link rel='stylesheet' id='reset-css-https-css' href='http://yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Try with an automatic protocol reference (//).
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'reset-css-doubleslash', '//yui.yahooapis.com/2.8.1/build/reset/reset-min.css' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected .= "<link rel='stylesheet' id='reset-css-doubleslash-css' href='//yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected .= "<link rel='stylesheet' id='reset-css-doubleslash-css' href='//yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Try with a local resource and an automatic protocol reference (//).
</span><span class="cx" style="display: block; padding: 0 10px"> $url = '//my_plugin/style.css';
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'plugin-style', $url );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected .= "<link rel='stylesheet' id='plugin-style-css' href='$url?ver=$ver' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected .= "<link rel='stylesheet' id='plugin-style-css' href='$url?ver=$ver' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Try with a bad protocol.
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'reset-css-ftp', 'ftp://yui.yahooapis.com/2.8.1/build/reset/reset-min.css' );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected .= "<link rel='stylesheet' id='reset-css-ftp-css' href='{$wp_styles->base_url}ftp://yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected .= "<link rel='stylesheet' id='reset-css-ftp-css' href='{$wp_styles->base_url}ftp://yui.yahooapis.com/2.8.1/build/reset/reset-min.css?ver=$ver' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Go!
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertSame( $expected, get_echo( 'wp_print_styles' ) );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -147,7 +147,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $style .= "\tbackground: red;\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $style .= '}';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px"> $expected .= "<style id='handle-inline-css' type='text/css'>\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $expected .= "$style\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $expected .= "</style>\n";
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -176,7 +176,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $style .= "\tbackground: red;\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $style .= '}';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px"> $expected .= "<style id='handle-inline-css' type='text/css'>\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $expected .= "$style\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $expected .= "</style>\n";
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -258,7 +258,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $style2 .= "\tbackground: blue;\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $style2 .= '}';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px"> $expected .= "<style id='handle-inline-css' type='text/css'>\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $expected .= "$style1\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $expected .= "$style2\n";
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -287,7 +287,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $style .= "}\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $style .= '</style>';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px"> $expected .= "$style\n";
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'handle', 'http://example.com', array(), 1 );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -305,7 +305,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> public function test_unnecessary_style_tags() {
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected = "<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> wp_enqueue_style( 'handle', 'http://example.com', array(), 1 );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -320,7 +320,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> public function test_conditional_inline_styles_are_also_conditional() {
</span><span class="cx" style="display: block; padding: 0 10px"> $expected = <<<CSS
</span><span class="cx" style="display: block; padding: 0 10px"> <!--[if IE]>
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<link rel='stylesheet' id='handle-css' href='http://example.com?ver=1' type='text/css' media='all' />
</ins><span class="cx" style="display: block; padding: 0 10px"> <style id='handle-inline-css' type='text/css'>
</span><span class="cx" style="display: block; padding: 0 10px"> a { color: blue; }
</span><span class="cx" style="display: block; padding: 0 10px"> </style>
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -350,8 +350,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> public function test_wp_add_inline_style_for_handle_without_source() {
</span><span class="cx" style="display: block; padding: 0 10px"> $style = 'a { color: blue; }';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $expected = "<link rel='stylesheet' id='handle-one-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
- $expected .= "<link rel='stylesheet' id='handle-two-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected = "<link rel='stylesheet' id='handle-one-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
+ $expected .= "<link rel='stylesheet' id='handle-two-css' href='http://example.com?ver=1' type='text/css' media='all' />\n";
</ins><span class="cx" style="display: block; padding: 0 10px"> $expected .= "<style id='handle-three-inline-css' type='text/css'>\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $expected .= "$style\n";
</span><span class="cx" style="display: block; padding: 0 10px"> $expected .= "</style>\n";
</span></span></pre>
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