New features
New global constants
Migrating from PHP 7.1.x to PHP 7.2.x
PHP Manual
New functions
Sockets
socket_addrinfo_lookup()
socket_addrinfo_connect()
socket_addrinfo_bind()
socket_addrinfo_explain()
LDAP
ldap_parse_exop()
ldap_exop()
ldap_exop_passwd()
ldap_exop_whoami()
New features
New global constants
Migrating from PHP 7.1.x to PHP 7.2.x
PHP Manual