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<title>[51636] trunk/src/wp-includes/pomo/po.php: Code Modernization: Silence the deprecation warning for `auto_detect_line_endings`.</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/51636">51636</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/51636","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2021-08-18 21:57:21 +0000 (Wed, 18 Aug 2021)</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'>Code Modernization: Silence the deprecation warning for `auto_detect_line_endings`.
Since PHP 8.1, the `auto_detect_line_endings` setting is deprecated:
> The `auto_detect_line_endings` ini setting modifies the behavior of `file()` and `fgets()` to support an isolated `\r` (as opposed to `\n` or `\r\n`) as a newline character. These newlines were used by {U+201C}Classic{U+201D} Mac OS, a system which has been discontinued in 2001, nearly two decades ago. Interoperability with such systems is no longer relevant.
Reference: [https://wiki.php.net/rfc/deprecations_php_8_1#auto_detect_line_endings_ini_setting PHP RFC: Deprecations for PHP 8.1: auto_detect_line_endings ini setting]
> The `auto_detect_line_endings` ini setting has been deprecated. If necessary, handle `\r` line breaks manually instead.
Reference: [https://github.com/php/php-src/blob/1cf4fb739f7a4fa8404a4c0958f13d04eae519d4/UPGRADING#L456-L457 PHP 8.1 Upgrade Notes].
This commit fixes the warning when running tests for the `PO` class:
{{{
Deprecated: auto_detect_line_endings is deprecated in /var/www/src/wp-includes/pomo/po.php on line 16
}}}
While deprecated, the actual `auto_detect_line_endings` functionality has not been removed from PHP (yet) and will still work until PHP 9.0.
For now, we're silencing the deprecation notice as there may still be translation files around which haven't been updated in a long time and which still use the old MacOS standalone `\r` as a line ending.
This should be revisited when PHP 9.0 is in alpha/beta.
Follow-up to <a href="https://core.trac.wordpress.org/changeset/51633">[51633]</a>.
Props jrf.
See <a href="https://core.trac.wordpress.org/ticket/53635">#53635</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludespomopophp">trunk/src/wp-includes/pomo/po.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludespomopophp"></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/pomo/po.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/pomo/po.php 2021-08-18 14:07:17 UTC (rev 51635)
+++ trunk/src/wp-includes/pomo/po.php 2021-08-18 21:57:21 UTC (rev 51636)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -13,10 +13,15 @@
</span><span class="cx" style="display: block; padding: 0 10px"> define( 'PO_MAX_LINE_LEN', 79 );
</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">-// This setting has been deprecated in PHP 8.1.
-if ( PHP_VERSION_ID < 80100 ) {
- ini_set( 'auto_detect_line_endings', 1 );
-}
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/*
+ * The `auto_detect_line_endings` setting has been deprecated in PHP 8.1,
+ * but will continue to work until PHP 9.0.
+ * For now, we're silencing the deprecation notice as there may still be
+ * translation files around which haven't been updated in a long time and
+ * which still use the old MacOS standalone `\r` as a line ending.
+ * This fix should be revisited when PHP 9.0 is in alpha/beta.
+ */
+@ini_set( 'auto_detect_line_endings', 1 ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
</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"> * Routines for working with PO files
</span></span></pre>
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