Added PHP 8 to libzip exclusion conditions

Author: J-T-McC

laravel-horizon/Dockerfile

@@ -106,7 +106,7 @@ ARG INSTALL_ZIP_ARCHIVE=false
 RUN set -eux; \
   if [ ${INSTALL_ZIP_ARCHIVE} = true ]; then \
     apk --update add libzip-dev && \
-    if [ ${LARADOCK_PHP_VERSION} = "7.3" ] || [ ${LARADOCK_PHP_VERSION} = "7.4" ]; then \
+    if [ ${LARADOCK_PHP_VERSION} = "7.3" ] || [ ${LARADOCK_PHP_VERSION} = "7.4" ] || [ $(php -r "echo PHP_MAJOR_VERSION;") = "8" ]; then \
       docker-php-ext-configure zip; \
     else \
       docker-php-ext-configure zip --with-libzip; \

php-fpm/Dockerfile

@@ -51,7 +51,7 @@ RUN set -xe; \
       #
       # next lines are here becase there is no auto build on dockerhub see https://github.com/laradock/laradock/pull/1903#issuecomment-463142846
       libzip-dev zip unzip && \
-      if [ ${LARADOCK_PHP_VERSION} = "7.3" ] || [ ${LARADOCK_PHP_VERSION} = "7.4" ]; then \
+      if [ ${LARADOCK_PHP_VERSION} = "7.3" ] || [ ${LARADOCK_PHP_VERSION} = "7.4" ] || [ $(php -r "echo PHP_MAJOR_VERSION;") = "8" ]; then \
         docker-php-ext-configure zip; \
       else \
         docker-php-ext-configure zip --with-libzip; \

php-worker/Dockerfile

@@ -147,7 +147,7 @@ ARG INSTALL_ZIP_ARCHIVE=false
 RUN set -eux; \
   if [ ${INSTALL_ZIP_ARCHIVE} = true ]; then \
     apk --update add libzip-dev && \
-    if [ ${LARADOCK_PHP_VERSION} = "7.3" ] || [ ${LARADOCK_PHP_VERSION} = "7.4" ]; then \
+    if [ ${LARADOCK_PHP_VERSION} = "7.3" ] || [ ${LARADOCK_PHP_VERSION} = "7.4" ] || [ $(php -r "echo PHP_MAJOR_VERSION;") = "8" ]; then \
       docker-php-ext-configure zip; \
     else \
       docker-php-ext-configure zip --with-libzip; \