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»ñȡָ¶¨µÄ×ֶεÄ×î´ó³¤¶È mysql_field_len() integer mysql_field_len (resource result_set, integer field_offset)
$query = "select name from MyTable";
$result = mysql_query($query);
$row = mysql_fetch_row($result);
echo mysql_field_len($result, 0)."<br />";
Èç¹ûmysql_field_len($reseult, 0) = 16777215
ÄÇônumer_format(mysql_field_len($result))µÈÓÚ16,777,215
»ñÈ¡×Ö¶ÎÃû mysql_field_name() string mysql_field_name (resource result_set, int field_offset)
$query = "select id as PKID, name from MyTable order by name";
$result = mysql_query($query);
$row = mysql_fetch_row($result);
echo mysql_field_name($result, 0); // Result: PKID
¡¡ »ñÈ¡×Ö¶ÎÀàÐÍ mysql_field_type() string mysql_field_type (resource result_set, int field_offset)
$query = "select id, name from MyTable order by name";
$result = mysql_query($query);
$row = mysql_fetch_row($result);
echo mysql_field_type($result, 0); // Result: int
¡¡ »ñÈ¡×Ö¶ÎËùÔÚ±íÃû mysql_field_table() string mysql_field_table (resource result_set, int field_offset)

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