File: vendor/wp-coding-standards/wpcs/WordPress/Docs/DateTime/CurrentTimeTimestampStandard.xml

<?xml version="1.0"?>
<documentation xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="https://phpcsstandards.github.io/PHPCSDevTools/phpcsdocs.xsd"
    title="Current Time Timestamp"
    >
    <standard>
    <![CDATA[
    Don't use current_time() to get a timestamp as it doesn't produce a Unix (UTC) timestamp, but a "WordPress timestamp", i.e. a Unix timestamp with current timezone offset.
    ]]>
    </standard>
    <code_comparison>
        <code title="Valid: using time() to get a Unix (UTC) timestamp.">
        <![CDATA[
$timestamp = <em>time()</em>;
        ]]>
        </code>
        <code title="Invalid: using current_time() to get a Unix (UTC) timestamp.">
        <![CDATA[
$timestamp = <em>current_time( 'timestamp', true )</em>;
        ]]>
        </code>
    </code_comparison>
    <code_comparison>
        <code title="Valid: using current_time() with a non-timestamp format.">
        <![CDATA[
$timestamp = current_time( <em>'Y-m-d'</em> );
        ]]>
        </code>
        <code title="Invalid: using current_time() to get a timezone corrected timestamp.">
        <![CDATA[
$timestamp = <em>current_time( 'U', false )</em>;
        ]]>
        </code>
    </code_comparison>
</documentation>