PHP error, please help ( SOLVED )

[BakaPetra]

Hello there, I'm writing a PHP program that scrapes the Mitas's website and matches the tire pressure tables information with my companies one. I'm using simple html dom.

I'm getting the following error every single time:

 

Fatal error: Uncaught Error: Call to a member function find() on bool in C:\xampp\htdocs\mitas\scraper.php:465 Stack trace: #0 C:\xampp\htdocs\mitas\scraper.php(650): parse_MITAS_html_table(NULL) #1 C:\xampp\htdocs\mitas\generate_MITAS_final_table.php(10): generate_MITAS_final_table('mitas-dump.csv', 'final_MITAS_tab...') #2 {main} thrown in C:\xampp\htdocs\mitas\scraper.php on line 465

 

My code at line 465 is the following: 

 

/******************************************************************************

>> parse_MITAS_html_table

 

Extract data from HTML table

 

INPUT: string containing HTML table

RETURNS: array with parsed data

******************************************************************************/

function parse_MITAS_html_table($table) {

    $ret = array();

    $retkey = 0;

    $header = array();

    foreach (str_get_html($table)->find('tr') as $tr) {

        if (!isset($tr->attr['class'])) {

            foreach(str_get_html($tr)->find('th') as $th) {

                $header[] = $th->plaintext;

            }

        }

    }

    

    $headerlength = count($header);

 

        

    foreach(str_get_html($table)->find('tr') as $rowkey => $row) {

        $rowval = array();

        foreach($row->find('td') as $colkey => $col) {

            $rowval[] = $col->innertext;

        }

        

        if (!empty($rowval)) {

            for ($i = 0; $i<$headerlength; $i++) {

                $ret[$retkey]['Sebesség'] = $rowval[$headerlength];

                $ret[$retkey]['Nyomás'] = $header[$i];

                $ret[$retkey]['Súly'] = $rowval[$i];

                $retkey++;

            }

        }

    }

    

    return $ret;

}

 

This is how I call the function:

 

/*****************************************************************************************

 

>> generate_MITAS_final_table

 

Generate table with the product code, speed, pressure and weight values.

    

INPUT: string csv input filename, string csv output filename

RETURNS: TRUE upon success

    

******************************************************************************************/

 

function generate_MITAS_final_table($infile, $outfile) {

    $csv = csv_to_array($infile,';');

    $dataarray = array();

    $result = array();

    $resultcounter = 0;

    if (!empty($csv)) {

        foreach ($csv as $csvkey => $csvitem) {

            print $csvitem['Cikknév'];

            $dataarray = parse_MITAS_html_table($csvitem['markup']);

            

            if (!empty($dataarray)) {

                $datalength = count($dataarray);

                for ($c=0; $c<$datalength; $c++) {

                    $result[$resultcounter]['Cikkszám'] = $csvitem['Cikkszám'];

                    $result[$resultcounter]['Sebesség'] = $dataarray[$c]['Sebesség'];

                    $result[$resultcounter]['Nyomás'] = $dataarray[$c]['Nyomás'];

                    $result[$resultcounter]['Súly'] = $dataarray[$c]['Súly'];       

                    //$result[$resultcounter]['EAN'] = $csvitem['EAN'];

                    //$result[$resultcounter]['Sebesség index'] = $dataarray[$c]['Sebesség'];

                    //$result[$resultcounter]['Load Range / Ply'] = $dataarray[$c]['Load Range / Ply'];             

                    $resultcounter++;

                }

            }

        }

    }

    

    var_dump($result);

    array_to_csv($result, $outfile);

    

    return TRUE;

}

 

 

What can cause this issue? I can't find anything on the internet that helps.

[BakaPetra]

I fixed it, my dumbass forgot to put an if before the   foreach (str_get_html($table)->find('tr') as $tr)  line so if the $table variable is empty the function returns FALSE...

 

Fix line:   if ($table != null ){

[another_member]

18 minutes ago, Megumin4317 said:

I fixed it, my dumbass forgot to put an if before the   foreach (str_get_html($table)->find('tr') as $tr)  line so if the $table variable is empty the function returns FALSE...

 

Fix line:   if ($table != null ){

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