Email Test – Check if your emails are being delivered

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

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Detected usage of a non-sanitized input variable: $_POST['email-test']

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

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

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

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A function call to esc_html__() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

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Plugin name "Email Test - Check if your emails are being delivered" is different from the name declared in plugin header "Email Test".

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Tested up to: 5.7 < 7.0. The "Tested up to" value in your plugin is not set to the current version of WordPress. This means your plugin will not show up in searches, as we require plugins to be compatible and documented as tested up to the most recent version of WordPress.

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Missing "License" in Plugin Header. Please update your Plugin Header with a valid GPLv2 (or later) compatible license.