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mysql_field_len

Returns the length of the specified field (PHP 4, PHP 5, PECL mysql:1.0)
int mysql_field_len ( resource result, int field_offset )

mysql_field_len() returns the length of the specified field.

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 1437. 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;
}

// Will get the length of the id field as specified in the database
// schema.
$length = mysql_field_len($result, 0);
echo
$length;
?>


Notes

Note:

For downward compatibility, the following deprecated alias may be used: mysql_fieldlen()