Preventivo Fabbro e lavorazioni ferro acciaio

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0.
/­var/­www/­vhosts/­manda.it/­httpdocs/­preventivi/­index.php201

Whoops \ Exception \ ErrorException (E_NOTICE)

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Whoops\Exception\ErrorException thrown with message "Undefined variable: a1" Stacktrace: #0 in /var/www/vhosts/manda.it/httpdocs/preventivi/index.php:201

Undefined variable: a1

/var/www/vhosts/manda.it/httpdocs/preventivi/index.php
  $a0=$prezzo[0];
  $a1=$prezzo[1];
  $a2=$prezzo[2];
  $a2="";
  }
?>
   <div class="col-xs-4"><i class="fa fa-arrow-down" style="color:#05DF05" aria-hidden="true"></i> <?php $a2=""; echo $a2;?>€<br> Prezo <b>massimo</b> per <?php  echo $categoria;?></div>
   <div class="col-xs-4 text-center">Il prezzo medio è:<br> <?php echo $a1;?></div>
   <div class="col-xs-4 dfg56"><i class="fa fa-arrow-up" style="color:red" aria-hidden="true"></i> <?php echo $a0;?>€<br>Prezzo <b>minimo</b> per <?php  echo $categoria;?></div>
 <div style="clear:both"></div>
Key Value
categoria fabbro-e-lavorazioni-ferro-acciaio
empty
empty
empty
Key Value
_token 49267e390094cb6f363d5284d80bd05e
Key Value
USER manda
HOME /var/www/vhosts/manda.it
FCGI_ROLE RESPONDER
REDIRECT_SCRIPT_URL /preventivi/fabbro-e-lavorazioni-ferro-acciaio
REDIRECT_SCRIPT_URI https://www.manda.it/preventivi/fabbro-e-lavorazioni-ferro-acciaio
REDIRECT_HTTPS on
REDIRECT_STATUS 200
SCRIPT_URL /preventivi/fabbro-e-lavorazioni-ferro-acciaio
SCRIPT_URI https://www.manda.it/preventivi/fabbro-e-lavorazioni-ferro-acciaio
HTTPS on
proxy-nokeepalive 1
HTTP_HOST www.manda.it
HTTP_X_REAL_IP 54.162.239.233
HTTP_X_ACCEL_INTERNAL /internal-nginx-static-location
HTTP_CONNECTION close
HTTP_USER_AGENT CCBot/2.0 (https://commoncrawl.org/faq/)
HTTP_ACCEPT text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_IF_MODIFIED_SINCE Thu, 19 Jul 2018 08:03:16 GMT
HTTP_ACCEPT_ENCODING gzip
PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
SERVER_SIGNATURE <address>Apache Server at www.manda.it Port 443</address>
SERVER_SOFTWARE Apache
SERVER_NAME www.manda.it
SERVER_ADDR 54.37.75.190
SERVER_PORT 443
REMOTE_ADDR 54.162.239.233
DOCUMENT_ROOT /var/www/vhosts/manda.it/httpdocs
REQUEST_SCHEME https
CONTEXT_PREFIX
CONTEXT_DOCUMENT_ROOT /var/www/vhosts/manda.it/httpdocs
SERVER_ADMIN crisdany7@gmail.com
SCRIPT_FILENAME /var/www/vhosts/manda.it/httpdocs/preventivi/index.php
REMOTE_PORT 46847
REDIRECT_QUERY_STRING categoria=fabbro-e-lavorazioni-ferro-acciaio
REDIRECT_URL /preventivi/fabbro-e-lavorazioni-ferro-acciaio
GATEWAY_INTERFACE CGI/1.1
SERVER_PROTOCOL HTTP/1.0
REQUEST_METHOD GET
QUERY_STRING categoria=fabbro-e-lavorazioni-ferro-acciaio
REQUEST_URI /preventivi/fabbro-e-lavorazioni-ferro-acciaio
SCRIPT_NAME /preventivi/index.php
PHP_SELF /preventivi/index.php
REQUEST_TIME_FLOAT 1537395273.6745
REQUEST_TIME 1537395273
empty
0. Whoops\Handler\PrettyPageHandler