Simple Link List Widget

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All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '"<option value='$i' selected>$i</option>"'.

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Missing $domain parameter in function call to __().

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Function "sanitize_text_field()" requires WordPress 2.9.0, but your plugin minimum supported version is WordPress 2.8.0.

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Processing form data without nonce verification.

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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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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: $_GET[&#039;editwidget&#039;]

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$_GET[&#039;editwidget&#039;] not unslashed before sanitization. Use wp_unslash() or similar

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