oci_field_size
(PHP 5)
oci_field_size -- Returns field's size
Description
int
oci_field_size ( resource stmt, mixed field)
oci_field_size() returns the size of a field in
bytes. Value of field parameter can be the field's
index (1-based) or it's name.
例子 1. oci_field_size()example
<?php
$conn = oci_connect("scott", "tiger");
$stmt = oci_parse($conn, "SELECT * FROM emp");
oci_execute($stmt);
echo "<table border=\"1\">";
echo "<tr>";
echo "<th>Name</th>";
echo "<th>Type</th>";
echo "<th>Length</th>";
echo "</tr>";
$ncols = oci_num_fields($stmt);
for ($i = 1; $i <= $ncols; $i++) {
$column_name = oci_field_name($stmt, $i);
$column_type = oci_field_type($stmt, $i);
$column_size = oci_field_size($stmt, $i);
echo "<tr>";
echo "<td>$column_name</td>";
echo "<td>$column_type</td>";
echo "<td>$column_size</td>";
echo "</tr>";
}
echo "</table>";
oci_free_statement($stmt);
oci_close($conn);
?>
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注:
In PHP versions before 5.0.0 you must use ocicolumnsize() instead.
This name still can be used, it was left as alias of
oci_field_size() for downwards compatability.
This, however, is deprecated and not recommended.
See also oci_num_fields() and
oci_field_name().