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All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$after_title'.

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All output should be run through an escaping function (like esc_html_e() or esc_attr_e()), found '_e'.

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strip_tags() is discouraged. Use the more comprehensive wp_strip_all_tags() instead.

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wp_reset_query() is discouraged. Use wp_reset_postdata() instead.

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Resource version not set in call to wp_enqueue_style(). This means new versions of the style may not always be loaded due to browser caching.

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Found call to wp_enqueue_style() with external resource. Offloading styles to your servers or any remote service is disallowed.

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Detected usage of meta_key, possible slow query.

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Detected usage of tax_query, possible slow query.

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error_log() found. Debug code should not normally be used in production.

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