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<title>[31030] trunk/src/wp-includes: Allow the 3rd argument to `wp_localize_script()/WP_Scripts->localize()` to be a `callable`, allowing data to be lazy-loaded when the script is actually enqueued.</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/31030">31030</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/31030","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>wonderboymusic</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-01-03 03:53:30 +0000 (Sat, 03 Jan 2015)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Allow the 3rd argument to `wp_localize_script()/WP_Scripts->localize()` to be a `callable`, allowing data to be lazy-loaded when the script is actually enqueued.
Props jtsternberg.
Fixes <a href="https://core.trac.wordpress.org/ticket/26111">#26111</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclasswpscriptsphp">trunk/src/wp-includes/class.wp-scripts.php</a></li>
<li><a href="#trunksrcwpincludesfunctionswpscriptsphp">trunk/src/wp-includes/functions.wp-scripts.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludesclasswpscriptsphp"></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-scripts.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class.wp-scripts.php 2015-01-03 02:56:14 UTC (rev 31029)
+++ trunk/src/wp-includes/class.wp-scripts.php 2015-01-03 03:53:30 UTC (rev 31030)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -142,7 +142,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $tag = "<script type='text/javascript' src='$src'></script>\n";
</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"> * Filter the HTML script tag of an enqueued script.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 4.1.0
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -171,6 +171,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $handle === 'jquery' )
</span><span class="cx" style="display: block; padding: 0 10px"> $handle = 'jquery-core';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( is_callable( $l10n ) ) {
+ $l10n = call_user_func( $l10n );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( is_array($l10n) && isset($l10n['l10n_print_after']) ) { // back compat, preserve the code in 'l10n_print_after' if present
</span><span class="cx" style="display: block; padding: 0 10px"> $after = $l10n['l10n_print_after'];
</span><span class="cx" style="display: block; padding: 0 10px"> unset($l10n['l10n_print_after']);
</span></span></pre></div>
<a id="trunksrcwpincludesfunctionswpscriptsphp"></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/functions.wp-scripts.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/functions.wp-scripts.php 2015-01-03 02:56:14 UTC (rev 31029)
+++ trunk/src/wp-includes/functions.wp-scripts.php 2015-01-03 03:53:30 UTC (rev 31030)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -106,10 +106,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @todo Documentation cleanup
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @param string $handle Script handle the data will be attached to.
- * @param string $object_name Name for the JavaScript object. Passed directly, so it should be qualified JS variable.
- * Example: '/[a-zA-Z0-9_]+/'.
- * @param array $l10n The data itself. The data can be either a single or multi-dimensional array.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param string $handle Script handle the data will be attached to.
+ * @param string $object_name Name for the JavaScript object. Passed directly, so it should be qualified JS variable.
+ * Example: '/[a-zA-Z0-9_]+/'.
+ * @param array|callable $l10n The data itself. The data can be either a single or multi-dimensional array. If a callable
+ * is passed, it will be invoked at runtime.
</ins><span class="cx" style="display: block; padding: 0 10px"> * @return bool True if the script was successfully localized, false otherwise.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function wp_localize_script( $handle, $object_name, $l10n ) {
</span></span></pre>
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