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ide sytax error

Posted on 2013-01-13
Last Modified: 2013-01-13
$q.=' ON DUPLICATE KEY UPDATE '.$tablename.' set '.$columnname.'=concat ('.$columnname.',\''.mysql_real_escape_string($_POST[$insertcolumnname]).'\');';
        $q.=' ON DUPLICATE KEY UPDATE '.$tablename.' set '.$columnname.'=concat ('.$columnname.',\''somthing to add to description'\')';

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using an ide that highlights syntax errors

the first line has no errors
but the second line highlights error at
Question by:rgb192
  • 2
LVL 109

Expert Comment

by:Ray Paseur
ID: 38772211
Yes, it contains a PHP parse error.  What is the question?
LVL 27

Accepted Solution

Lukasz Chmielewski earned 500 total points
ID: 38772467
Should be:
$q.=' ON DUPLICATE KEY UPDATE '.$tablename.' set '.$columnname.'=concat ('.$columnname.',\'somthing to add to description\')';

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Author Closing Comment

ID: 38772527
no syntax errors
LVL 109

Expert Comment

by:Ray Paseur
ID: 38772528
Or maybe get rid of all that fiddly punctuation by using the PHP HEREDOC notation.

$q .= <<<ENDQ
 SET $columnname
 = CONCAT($columnname, 'somthing to add to description')

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You can get variable substitution with HEREDOC or literal strings with NOWDOC

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