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Only add country to JSON if flag fits country code regex
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@ -80,8 +80,8 @@ class Api {
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// Handle country field
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if (isset($post->body_nomarkup) && $this->config['country_flags']) {
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$modifiers = extract_modifiers($post->body_nomarkup);
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if (isset($modifiers['flag']) && isset($modifiers['flag alt'])) {
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$country = mb_convert_case($modifiers['flag'], MB_CASE_UPPER);
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if (isset($modifiers['flag']) && isset($modifiers['flag alt']) && preg_match('/^[a-z]{2}$/', $modifiers['flag'])) {
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$country = strtoupper($modifiers['flag']);
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if ($country) {
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$apiPost['country'] = $country;
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$apiPost['country_name'] = $modifiers['flag alt'];
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