php - How to drop empty responses in an array of fields? -


i've got php script take answers referral form , send email client (below). client has asked questions have been answered sent them. how can strip out fields empty email?

 $from = $_request['email'] ;   $name = $_request['name'] ;   $headers = "from: $from";   $subject = "web contact data-medical referral";    $fields = array();   $fields{"referrer"} = "referral source";   $fields{"referraldate"} = "date of referral";   $fields{"filenumber"} = "file number";   $fields{"hearingdate"} = "hearing date";   $fields{"legalfirm"} = "legal firm";   $fields{"address"} = "legal firm address";  $fields{"plantiffattorney"} = "plantiff attorney";  $fields{"plantiffaddress"} = "plantiff attorney address";  $fields{"plantifftelephone"} = "plantiff attorney telephone";  $fields{"plantiffemail"} = "plantiff attorney email";  $fields{"defenceattorney"} = "defence attorney";  $fields{"defenceaddress"} = "defence attorney address";  $fields{"defencetelephone"} = "defence attorney telephone";   $fields{"defenceemail"} = "defence attorney email";  $fields{"lawclerk"} = "legal assistant/law clerk";  $fields{"lawclerktelephone"} = "legal assistant/law clerk telephone";  $fields{"lawclerkemail"} = "legal assistant/law clerk email";  $fields{"insurancecompany"} = "name of insurance company";  $fields{"insuranceaddress"} = "insurance company address";  $fields{"adjuster"} = "adjuster name";  $fields{"adjusternumber"} = "adjuster telephone";  $fields{"adjusterfax"} = "adjuster fax";  $fields{"adjusteremail"} = "adjuster email";  $fields{"claimnumber"} = "claim number";  $fields{"claimantname"} = "claimant name";  $fields{"gender"} = "gender";  $fields{"dateofbirth"} = "date of birth";  $fields{"claimantaddress"} = "claimant address";  $fields{"claimantcity"} = "claimant city";  $fields{"claimantpostal"} = "claimant postal code";  $fields{"claimanttelephone"} = "claimant telephone";  $fields{"lossdate"} = "date of loss";  $fields{"injuries"} = "injuries";  $fields{"diagnosis"} = "diagnosis";  $fields{"reportaddress"} = "report address";  $fields{"transportation"} = "transportation required";  $fields{"translation"} = "translation required";  $fields{"language"} = "language";  $fields{"abilitiesevaluation"} = "abilities evaluation";  $fields{"occupationaltherapist"} = "legal ime-occupational therapist";  $fields{"rheumatologist"} = "legal ime-rheumatologist";  $fields{"chiropractic"} = "legal ime-chiropractic";  $fields{"opthamologist"} = "legal ime-opthamologist";  $fields{"socialworker"} = "legal ime-social worker";  $fields{"dental"} = "legal ime-dental";  $fields{"optomertrist"} = "legal ime-optometrist";  $fields{"slp"} = "legal ime-slp";  $fields{"endocrinologist"} = "legal ime-endocrinologist";  $fields{"orthopedic"} = "legal ime-orthopedic surgeon";  $fields{"tsa"} = "legal ime-tsa";  $fields{"ent"} = "legal ime-ent";  $fields{"pediatrician"} = "legal ime-pediatrician";  $fields{"vascularsurgeon"} = "legal ime-vascular surgeon";  $fields{"gastroenterologist"} = "legal ime-gastroenterologist";  $fields{"physician"} = "legal ime-physician";  $fields{"vocationalevaluation"} = "legal ime-vocational evaluation";  $fields{"internalmedicine"} = "legal ime-internal medicine";  $fields{"physiatrist"} = "legal ime-physiatrist";  $fields{"legalfilereview"} = "legal file review";  $fields{"jobanalysis"} = "legal ime-job analysis/wsa";  $fields{"physiotherapist"} = "legal ime-physiotherapist";  $fields{"lifecare"} = "life care plan";  $fields{"neurologist"} = "legal ime-neurologist";  $fields{"psychiatrist"} = "legal ime-psychiatrist";  $fields{"lifecarereview"} = "life care plan review";  $fields{"neuropsychologist"} = "legal ime-neuropsychologist";  $fields{"psychologist"} = "legal ime-psychologist";  $fields{"other"} = "other";  $fields{"otherrequired"} = "service";  $fields{"neurosurgeon"} = "legal ime-neurosurgeon";  $fields{"psychovocational"} = "legal ime-pyschovocational";  $fields{"comments"} = "comments";     $body="referral info:\n\n";    foreach($fields $a => $b) {        $body .= sprintf("%20s:%s\n",$b,$_request[$a]);  }   if(empty($fields)) {      echo 'please fill in submission form';      return false;  }  $send = mail($email, $subject, $body);  if ($send){     print "thank you!";  }else{      print "oops!"; }

check whether field empty before adding mail.

foreach($fields $a => $b) {     if (!empty($_request[$a])) {         $body .= sprintf("%20s:%s\n",$b,$_request[$a]);     } }

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