/usr/share/php/ is in php-net-ldap 1:1.1.5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Net/LDAP/
/usr/share/php/.registry/
/usr/share/php/.registry/net_ldap.reg
/usr/share/php/.registry/.channel.doc.php.net/
/usr/share/php/Net/
/usr/share/php/Net/LDAP.php
/usr/share/php/Net/LDAP/Entry.php
/usr/share/php/Net/LDAP/Schema.php
/usr/share/php/Net/LDAP/LDIF.php
/usr/share/php/Net/LDAP/Search.php
/usr/share/php/Net/LDAP/Util.php
/usr/share/php/Net/LDAP/Filter.php
/usr/share/php/Net/LDAP/RootDSE.php
/usr/share/php/tests/
/usr/share/php/tests/Net_LDAP/
/usr/share/php/docs/
/usr/share/php/tests/Net_LDAP/tests
/usr/share/php/docs/Net_LDAP