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<title>[43730] branches/5.0/src/wp-includes/load.php: Load: Disable PHP errors for JSON requests</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/43730">43730</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/43730","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>danielbachhuber</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-10-15 22:05:18 +0000 (Mon, 15 Oct 2018)</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'>Load: Disable PHP errors for JSON requests
Because WP REST API requests aren't identified until `parse_request`, it's impractical to reference the `REST_REQUEST` constant in `wp_debug_mode()`. Instead, it's more helpful to assume that a request wanting a JSON response probably doesn't want PHP errors breaking the response.
Props chrisl27, duanestorey, earnjam.
Fixes <a href="https://core.trac.wordpress.org/ticket/44534">#44534</a>.</pre>
<h3>Modified Paths</h3>
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<li><a href="#branches50srcwpincludesloadphp">branches/5.0/src/wp-includes/load.php</a></li>
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<h3>Diff</h3>
<a id="branches50srcwpincludesloadphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/5.0/src/wp-includes/load.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/5.0/src/wp-includes/load.php 2018-10-15 11:45:16 UTC (rev 43729)
+++ branches/5.0/src/wp-includes/load.php 2018-10-15 22:05:18 UTC (rev 43730)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -333,7 +333,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
</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">- if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || ( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) || wp_doing_ajax() ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || ( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) || wp_doing_ajax() || wp_is_json_request() ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> @ini_set( 'display_errors', 0 );
</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">@@ -1162,3 +1162,24 @@
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> echo "\n###### wp_scraping_result_end:$scrape_key ######\n";
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+/**
+ * Checks whether current request is a JSON request, or is expecting a JSON response.
+ *
+ * @since 5.0.0
+ *
+ * @return bool True if Accepts or Content-Type headers contain application/json, false otherwise.
+ */
+function wp_is_json_request() {
+
+ if ( isset( $_SERVER['HTTP_ACCEPT'] ) && false !== strpos( $_SERVER['HTTP_ACCEPT'], 'application/json' ) ) {
+ return true;
+ }
+
+ if ( isset( $_SERVER['CONTENT_TYPE'] ) && 'application/json' === $_SERVER['CONTENT_TYPE'] ) {
+ return true;
+ }
+
+ return false;
+
+}
</ins></span></pre>
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