Call Now Button – The #1 Click to Call Button for WordPress

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

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

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File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fopen().

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

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date() is affected by runtime timezone changes which can cause date/time to be incorrectly displayed. Use gmdate() instead.

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Possible use of short open tags detected; found: <? echo esc_attr($user_nonce) ?>"\n

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Use of a direct database call is discouraged.

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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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File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fclose().

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File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fwrite().