ldap_first_attribute

(PHP 4, PHP 5, PHP 7, PHP 8)

ldap_first_attribute — Return first attribute

ldap_first_attribute(LDAP\Connection $ldap, LDAP\ResultEntry $entry): string|false

Gets the first attribute in the given entry. Remaining attributes are retrieved by calling ldap_next_attribute() successively.

Similar to reading entries, attributes are also read one by one from a particular entry.

ldap: 通过 ldap_connect() 返回的 LDAP\Connection 实例。
entry: LDAP\ResultEntry 实例。
ber_identifier: ber_identifier is the identifier to internal memory location pointer. It is passed by reference. The same ber_identifier is passed to ldap_next_attribute() , which modifies that pointer.

注意:
This parameter is no longer used as this is now handled automatically by PHP. For backwards compatibility PHP will not throw an error if this parameter is passed.

Returns the first attribute in the entry on success and false on error.

版本	说明
8.1.0	现在 `ldap` 参数接受 LDAP\Connection 实例，之前接受资源(resource)。
8.1.0	The `entry` parameter expects an LDAP\ResultEntry instance now; previously, a 资源(resource) was expected.

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