PHP Manual: Add attribute values to current attributes

LDAP\Resultfalse ldap_mod_add_ext(
    LDAP\Connection $ldap,
    string $dn,
    array $entry,
    arraynull $controls = null
)

Does the same thing as ldap_mod_add but returns an LDAP\Result instance to be parsed with ldap_parse_result.

See ldap_mod_add

Returns an LDAP\Result instance, or false on failure.

Version	Description
8.1.0	The `ldap` parameter expects an LDAP\Connection instance now; previously, a valid `ldap link` resource was expected.
8.1.0	Returns an LDAP\Result instance now; previously, a resource was returned.
8.0.0	`controls` is nullable now; previously, it defaulted to `[]`.
7.3.0	Support for `controls` added

ldap_mod_add_ext