Dynamic Front-End Heartbeat Control

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Mismatched text domain. Expected 'dynamic-front-end-heartbeat-control' but got 'dfehc'.

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Use of a direct database call is discouraged.

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Direct database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete().

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Detected usage of a non-sanitized input variable: $_COOKIE[$name]

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All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '"<style>\r\n'.

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PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;

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mt_rand() is discouraged. Use the far less predictable wp_rand() instead.

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Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: &quot;$plugin_file&quot;.

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Unescaped parameter $safe used in $wpdb-&gt;query()\n$safe assigned unsafely at line 340.

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Use placeholders and $wpdb-&gt;prepare(); found interpolated variable {$safe} at &quot;ALTER TABLE {$safe} ENGINE=InnoDB&quot;