Para SLE 12 SP5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:php:php56/SLE_12_SP5/devel:languages:php:php56.repo
zypper refresh
zypper install php5-iconv
Para SLE 12 SP4 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:php:php56/SLE_12_SP4/devel:languages:php:php56.repo
zypper refresh
zypper install php5-iconv
Para SLE 12 SP3 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:php:php56/SLE_12_SP3/devel:languages:php:php56.repo
zypper refresh
zypper install php5-iconv
Para SLE 12 SP2 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:php:php56/SLE_12_SP2/devel:languages:php:php56.repo
zypper refresh
zypper install php5-iconv
Para SLE 12 SP1 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:php:php56/SLE_12_SP1/devel:languages:php:php56.repo
zypper refresh
zypper install php5-iconv
Para SLE 11 SP4 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:php:php56/SLE_11_SP4/devel:languages:php:php56.repo
zypper refresh
zypper install php5-iconv
Para SLE 11 SP3 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:php:php56/SLE_11_SP3/devel:languages:php:php56.repo
zypper refresh
zypper install php5-iconv