apt -y install php7.2 php7.2-cli php7.2-gd php7.2-mysql php7.2-pdo php7.2-mbstring php7.2-tokenizer php7.2-bcmath php7.2-xml php7.2-fpm php7.2-curl php7.2-zip
Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'php7.2-common' instead of 'php7.2-pdo'
Note, selecting 'php7.2-common' instead of 'php7.2-tokenizer'
The following additional packages will be installed:
  libpcre3 libsodium23 libzip4 php-common php7.2-json php7.2-opcache php7.2-readline
Suggested packages:
  php-pear
The following NEW packages will be installed:
  libsodium23 libzip4 php-common php7.2 php7.2-bcmath php7.2-cli php7.2-common php7.2-curl php7.2-fpm php7.2-gd php7.2-json php7.2-mbstring php7.2-mysql
  php7.2-opcache php7.2-readline php7.2-xml php7.2-zip
The following packages will be upgraded:
  libpcre3
1 upgraded, 17 newly installed, 0 to remove and 3 not upgraded.
Need to get 5239 kB of archives.
After this operation, 20.8 MB of additional disk space will be used.
Get:1 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 libpcre3 amd64 2:8.42-1+ubuntu18.04.1+deb.sury.org+1 [237 kB]
Get:2 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 libsodium23 amd64 1.0.17-0.1+ubuntu18.04.1+deb.sury.org+1 [147 kB]
Get:3 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 libzip4 amd64 1.5.1-4+ubuntu18.04.1+deb.sury.org+2 [50.6 kB]
Get:4 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php-common all 2:69+ubuntu18.04.1+deb.sury.org+2+php7.3 [15.1 kB]
Get:5 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-common amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [926 kB]
Get:6 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-json amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [18.8 kB]
Get:7 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-opcache amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [165 kB]
Get:8 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-readline amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [12.2 kB]
Get:9 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-cli amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [1407 kB]
Get:10 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-fpm amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [1412 kB]
Get:11 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2 all 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [49.0 kB]
Get:12 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-bcmath amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [15.4 kB]
Get:13 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-curl amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [28.8 kB]
Get:14 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-gd amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [27.2 kB]
Get:15 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-mbstring amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [485 kB]
Get:16 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-mysql amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [117 kB]
Get:17 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-xml amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [107 kB]
Get:18 http://ppa.launchpad.net/ondrej/php/ubuntu bionic/main amd64 php7.2-zip amd64 7.2.18-1+ubuntu18.04.1+deb.sury.org+1 [20.6 kB]
Fetched 5239 kB in 15s (349 kB/s)
(Reading database ... 33352 files and directories currently installed.)
Preparing to unpack .../libpcre3_2%3a8.42-1+ubuntu18.04.1+deb.sury.org+1_amd64.deb ...
Unpacking libpcre3:amd64 (2:8.42-1+ubuntu18.04.1+deb.sury.org+1) over (2:8.39-9) ...
Setting up libpcre3:amd64 (2:8.42-1+ubuntu18.04.1+deb.sury.org+1) ...
Selecting previously unselected package libsodium23:amd64.
(Reading database ... 33352 files and directories currently installed.)
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Preparing to unpack .../02-php-common_2%3a69+ubuntu18.04.1+deb.sury.org+2+php7.3_all.deb ...
Unpacking php-common (2:69+ubuntu18.04.1+deb.sury.org+2+php7.3) ...
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Unpacking php7.2-json (7.2.18-1+ubuntu18.04.1+deb.sury.org+1) ...
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Unpacking php7.2-opcache (7.2.18-1+ubuntu18.04.1+deb.sury.org+1) ...
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Unpacking php7.2-readline (7.2.18-1+ubuntu18.04.1+deb.sury.org+1) ...
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Selecting previously unselected package php7.2.
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Unpacking php7.2-curl (7.2.18-1+ubuntu18.04.1+deb.sury.org+1) ...
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Unpacking php7.2-zip (7.2.18-1+ubuntu18.04.1+deb.sury.org+1) ...
Processing triggers for ureadahead (0.100.0-21) ...
Setting up libzip4:amd64 (1.5.1-4+ubuntu18.04.1+deb.sury.org+2) ...
Setting up libsodium23:amd64 (1.0.17-0.1+ubuntu18.04.1+deb.sury.org+1) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
Setting up php-common (2:69+ubuntu18.04.1+deb.sury.org+2+php7.3) ...
Processing triggers for systemd (237-3ubuntu10.21) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Setting up php7.2-common (7.2.18-1+ubuntu18.04.1+deb.sury.org+1) ...

Creating config file /etc/php/7.2/mods-available/calendar.ini with new version
/var/lib/dpkg/info/php7.2-common.postinst: 157: /var/lib/dpkg/info/php7.2-common.postinst: Cannot fork
dpkg: error processing package php7.2-common (--configure):
 installed php7.2-common package post-installation script subprocess returned error exit status 2
dpkg: dependency problems prevent configuration of php7.2-curl:
 php7.2-curl depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-curl (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-mbstring:
 php7.2-mbstring depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-mbstring (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-readline:
 php7.2-readline depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-readline (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-bcmath:
 php7.2-bcmath depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-bcmath (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2:
 php7.2 depends on php7.2-common; however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-cli:
 php7.2-cli depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.
 php7.2-cli depends on php7.2-readline; however:
  Package php7.2-readline is not configured yet.

dpkg: error processing package php7.2-cli (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-json:
 php7.2-json depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-json (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-opcache:
 php7.2-opcache depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-opcache (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-mysql:
 php7.2-mysql depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-mysql (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-gd:
 php7.2-gd depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-gd (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-xml:
 php7.2-xml depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-xml (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-fpm:
 php7.2-fpm depends on php7.2-cli; however:
  Package php7.2-cli is not configured yet.
 php7.2-fpm depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.
 php7.2-fpm depends on php7.2-json; however:
  Package php7.2-json is not configured yet.
 php7.2-fpm depends on php7.2-opcache; however:
  Package php7.2-opcache is not configured yet.

dpkg: error processing package php7.2-fpm (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of php7.2-zip:
 php7.2-zip depends on php7.2-common (= 7.2.18-1+ubuntu18.04.1+deb.sury.org+1); however:
  Package php7.2-common is not configured yet.

dpkg: error processing package php7.2-zip (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 php7.2-common
 php7.2-curl
 php7.2-mbstring
 php7.2-readline
 php7.2-bcmath
 php7.2
 php7.2-cli
 php7.2-json
 php7.2-opcache
 php7.2-mysql
 php7.2-gd
 php7.2-xml
 php7.2-fpm
 php7.2-zip
E: Sub-process /usr/bin/dpkg returned an error code (1)