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 ocinumcols    (PHP 3>= 3.0.4, PHP 4 , PHP 5) ocinumcols -- 
     返回列数
    描述int ocinumcols  ( resource stmt) 
     ocinumcols() 返回在语句 stmt 中的列数。
     
      | 例子 1. ocinumcols() | 
<?php   echo "<pre>\n";
 $conn = OCILogon("scott", "tiger");
 $stmt = OCIParse($conn, "select * from emp");
 OCIExecute($stmt);
 while (OCIFetch($stmt)) {
 echo "\n";
 $ncols = OCINumCols($stmt);
 for ($i = 1; $i <= $ncols; $i++) {
 $column_name  = OCIColumnName($stmt, $i);
 $column_value = OCIResult($stmt, $i);
 echo $column_name . ': ' . $column_value . "\n";
 }
 echo "\n";
 }
 OCIFreeStatement($stmt);
 OCILogoff($conn);
 echo "</pre>";
 ?>
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