WP Keyword Suggest

Sample message

The $domain parameter must be a single text string literal. Found: _PLUGIN_NAME_

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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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Detected usage of a non-sanitized input variable: $_POST['wpks-nonce']

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Detected usage of a possibly undefined superglobal array index: $_POST['wpks-nonce']. Check that the array index exists before using it.

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$_POST['wpks-nonce'] not unslashed before sanitization. Use wp_unslash() or similar

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

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Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$auto_title_suggestions".

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

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

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