mysql_field_len
(PHP 4, PHP 5, PECL mysql:1.0)
mysql_field_len — Returns the length of the specified field
Description
int mysql_field_len
( resource $result
, int $field_offset
)
Parameters
-
result
-
The result resource that
is being evaluated. This result comes from a call to
mysql_query().
-
field_offset
-
The numerical field offset. The
field_offset
starts at 0. If
field_offset
does not exist, an error of level
E_WARNING is also issued.
Return Values
The length of the specified field index on success, or FALSE on failure.
Examples
Example #1 mysql_field_len() example
<?php
$result = mysql_query("SELECT id,email FROM people WHERE id = '42'");
if (!$result) {
echo 'Could not run query: ' . mysql_error();
exit;
}
$length = mysql_field_len($result, 0);
echo $length;
?>
Notes
Note:
For backward compatibility, the following
deprecated alias may be used:
mysql_fieldlen()
mysql_field_flags
