Easy Invoice – Invoice Generator, PDF Quotes & Payments

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

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

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Detected usage of meta_query, possible slow query.

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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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Multiple placeholders in translatable strings should be ordered. Expected "%1$d, %2$d", but got "%d, %d" in 'Emptied trash: %d quotes deleted successfully, %d failed.'.

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Scripts must be registered/enqueued via wp_enqueue_script()

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

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Sanitization missing for register_setting().

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All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '"Method $name does not exist"'.

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

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Use placeholders and $wpdb->prepare(); found interpolated variable $invoice_meta_table at LEFT JOIN $invoice_meta_table pm ON p.ID = pm.post_id\n

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Offloading images, js, css, and other scripts to your servers or any remote service is disallowed.

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Use placeholders and $wpdb->prepare(); found $query

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Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "$this->getFieldFilterName()".