PHP mysql_field_flags() Function
 Complete PHP MySQL Reference
Definition and Usage
The mysql_field_flags() function returns the flags of a field in a recordset.
This function gets field data from the mysql_query() function and returns a
string on success, or FALSE on failure or
when there are no more
rows.
Possible return values:
- auto_intcrement - 1 if AUTO_INCREMENT is set
- binary - 1 if the field has the BINAR attribute set
- blob - 1 if the field is a BLOB
- enum - 1 if the field is an ENUM field
- multiple_key - 1 if the field is a non-unique key
- not_null - 1 if the field cannot be NULL
- primary_key - 1 if the field is a primary key
- timestamp - 1 if the field is a timestamp field
- unique_key - 1 if the field is a unique key
- unsigned - 1 if the field is unsigned
- zerofill - 1 if the field is zero-filled
Syntax
mysql_field_flags(data,field_offset)
|
| Parameter |
Description |
| data |
Required. Specifies which data pointer to use. The data
pointer is the result from the mysql_query() function |
| field_offset |
Required. Specifies which field to start returning.
0 indicates the first field |
Tips and Notes
Tip: You can break the returned string into an array by using explode().
Example
<?php
$con = mysql_connect("localhost", "peter", "abc123");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db("test_db",$con);
$sql = "SELECT * from Person";
$result = mysql_query($sql,$con);
$flags = mysql_field_flags($result, 0);
echo $flags;
mysql_close($con);
?>
|
The output of the code above could be:
not_null primary_key auto_increment
|
Complete PHP MySQL Reference
Whether you're new to XML or already an advanced user, the user-friendly views
and powerful entry helpers, wizards, and debuggers in XMLSpy are designed to
meet your XML and Web services development needs from start to finish.
- XML editor
- Graphical XML Schema / DTD editors
- XSLT 1.0/2.0 editor, debugger, profiler
- XQuery editor, debugger, profiler
- Support for Office Open XML (OOXML)
- Graphical WSDL editor & SOAP debugger
- Java, C#, C++ code generation
- And much more!
Download a free 30-day trial today!
Click to see a demo!
Learn what’s new in v2008
 |
|
Get Your Diploma!
W3Schools' Online Certification Program is the perfect solution for busy
professionals who need to balance work, family, and career building.
The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS.
The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.
|
|
HOME
Printer friendly page
