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

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Detected usage of a non-sanitized input variable: $_GET['pbc_update_css_js']

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$_GET['pbc_update_css_js'] not unslashed before sanitization. Use wp_unslash() or similar

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Detected usage of a possibly undefined superglobal array index: $_SERVER['HTTP_HOST']. Check that the array index exists before using it.

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

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

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

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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.