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编辑当前文件:/home/strato/chroot/opt/RZphp80/includes/doc/Net_LDAP2/doc/Schema.txt

Examples:

First of all connect to your server as usual. (Some servers require
authentication to get the Subschema entry)

$config = array( 'host' => 'localhost' );
$ldap = Net_LDAP2::connect( $config );
if( Net_LDAP2::isError( $ldap ) ) die ( $ldap->getMessage() )

Then we can get the schema.

$schema = $ldap->schema();
if( Net_LDAP2::isError( $schema ) ) die ( $schema->getMessage() );

You can give a parameter to $ldap->schema() which sets the Subschema Entry dn.
If it is omitted, the entry dn will be fetched internally via rootDSE().
If that fails it will be set to "cn=Subschema".

$schema = $ldap->schema( 'cn=Subschema' );

Now you can work with the schema and retrieve information:

$attrs = $schema->getAll( 'attributes' );

This returns an array with all attributes and their information such as syntax,
equality, max_length etc. Look at the returned array to see what information was
passed.

Valid options to getAll() are:

objectclasses
attributes
ditcontentrules
ditstructurerules
matchingrules
matchingruleuses
nameforms
syntaxes

If you know the the name of an attribute or objectclass you can get the 
information directly.

$attr = $schema->get('attribute', 'userPassword');
$oc   = $schema->get('objectclass', 'posixAccount');

The first parameter determines the type of entry to be fetched and can be one
of:

attribute
ditcontentrule
ditstructurerule
matchingrule
matchingruleuse
nameform
objectclass
syntax

The second parameter can be the name or the oid of the entry.

You can retrieve a list of required and optional attributes of an object class
via must( $oc ) or may( $oc ). Both return a list of attributes in an array.

$required = $schema->must( 'posixAccount' );
$optional = $schema->may( 'posixAccount' );