Added php install script

Updated sqlite extension name

Added uninstall script

Removed ppa for PHP as 24.04 is already at latest

Updated composer install script

Added back ondrej/ppa and fixed uninstaller

Revert back to using ondrej/php

install/php.sh

@@ -0,0 +1,18 @@
+# install php with basic extensions
+sudo add-apt-repository -y ppa:ondrej/php
+sudo apt -y install php8.3 php8.3-{curl,apcu,intl,mbstring,opcache,pgsql,mysql,sqlite3,redis,xml,zip}
+
+# install composer, the PHP package manager
+EXPECTED_CHECKSUM="$(php -r 'copy("https://composer.github.io/installer.sig", "php://stdout");')"
+php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+ACTUAL_CHECKSUM="$(php -r "echo hash_file('sha384', 'composer-setup.php');")"
+
+if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]
+then
+    >&2 echo 'ERROR: Invalid installer checksum'
+    rm composer-setup.php
+    exit 1
+fi
+
+php composer-setup.php --quiet && sudo mv composer.phar /usr/local/bin/composer
+rm composer-setup.php

uninstall/php.sh

@@ -0,0 +1,4 @@
+sudo apt -y purge "php8.3*"
+sudo add-apt-repository -y --remove ppa:ondrej/php
+
+sudo rm /usr/local/bin/composer