WP Docs

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In footer ($in_footer) is not set explicitly wp_enqueue_script; It is recommended to load scripts in the footer. Please set this value to `true` to load it in the footer, or explicitly `false` if it should be loaded in the header.

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Detected usage of meta_query, possible slow query.

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Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "pre".

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

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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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date() is affected by runtime timezone changes which can cause date/time to be incorrectly displayed. Use gmdate() instead.

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wp_redirect() found. Using wp_safe_redirect(), along with the "allowed_redirect_hosts" filter if needed, can help avoid any chances of malicious redirects within code. It is also important to remember to call exit() after a redirect so that no other unwanted code is executed.

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

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Dynamic placeholder generation should not have surrounding quotes.

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The plugin name includes a restricted term. Your chosen plugin name - "WP Docs" - contains the restricted term "wp" which cannot be used at all in your plugin name.

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Unescaped parameter $query_str used in $wpdb->get_results()\n$query_str assigned unsafely at line 560.

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Use placeholders and $wpdb->prepare(); found interpolated variable $name at "SELECT max(ID) FROM $wpdb->posts WHERE post_title LIKE '%$name%'"

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SQL wildcards for a LIKE query should be passed in through a replacement parameter. Found: LIKE '%%'.

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Detected usage of meta_key, possible slow query.