php - Data type isnt well received by the database -

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so big idea want insert oracle database value through input tag number type. problem when input value > 0, works fine. when left if unfilled, error appears,

warning: oci_execute(): ora-00936: missing expression in c:\xampp\htdocs\weltesinformationcenter\content\fabrication\update\fabricationqc\processexceededqcqty.php on line 76

so here input tag:

echo "<td><input name='datamarkingqc' id='datamarkingqc' type='number' min='0' max='$availablemarkingqc' width='5' value='0'></td>";

and processing method this,

$datamarkingqc = intval($_post['datamarkingqc']);  if ($datamarkingqc   == 0){ $markingqcuser = "";   $markingqcdate = '';   }              else { $markingqcuser = $username; $markingqcdate =   'sysdate';}  $updateqchistsql = "insert fabrication_qc_hist (marking_qc, marking_qc_date, marking_qc_sign) values ($datamarkingqc, $markingqcdate, '$markingqcuser')";

and var_dump this

["datamarkingqc"]=> string(1) "0"

so problem is, when submit 0 value in input tag, error appears. data type marking_qc int.

this code. reformatted here readability. clean formatting readability makes easier debug stuff this:

$datamarkingqc = intval($_post['datamarkingqc']);  if ($datamarkingqc == 0) {   $markingqcuser = "";   $markingqcdate = ''; }  else {   $markingqcuser = $username;   $markingqcdate = 'sysdate'; }  $updateqchistsql = "insert fabrication_qc_hist (marking_qc, marking_qc_date, marking_qc_sign)"                  . " values ($datamarkingqc, $markingqcdate, '$markingqcuser')"                  ;

maybe work better:

$datamarkingqc = intval($_post['datamarkingqc']);  $markingqcuser = $datamarkingqc == 0 ? null : $username; $markingqcdate = $datamarkingqc == 0 ? null : 'sysdate';  $updateqchistsql = "insert fabrication_qc_hist (marking_qc, marking_qc_date, marking_qc_sign) values ('$datamarkingqc', '$markingqcdate', '$markingqcuser')";

i believe issue lack of single quotes ' around $datamarkingqc , $markingqcdate. simplified logic setting $markingqcuser & $markingqcdate using ternary logic , setting null value instead of empty string.


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