ldap_sasl_bind Bind to LDAP directory using SASL boolldap_sasl_bind resourcelink stringbinddn stringpassword stringsasl_mech stringsasl_realm stringsasl_authz_id stringprops &warn.undocumented.func; ldap_sasl_bind requires SASL support (sasl.h). Be sure --with-ldap-sasl is used when configuring PHP otherwise this function will be undefined.