Downgrade PHP Version from 5.5 to 5.4 on Ubuntu 14.04
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How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?
421
How do I update a Drupal distribution to a newer version?
14323
Installing PHP 5.3 in Ubuntu 14.04
11238
PHP not working after upgraded to Ubuntu 17.10
119272
Converting LAS 1.4 to 1.2
133336
How do I update jQuery to the latest version I can download?
119334
How to set Python back to the original version
89166
How to downgrade Kernel
12164
How do I update my TeX distribution?
1705
Install Apache, Php, Mysql latest versions not available via apt
49360
How do I call legacy PHP files?
67359
Upgrade to the latest PHP version in Ubuntu
93138
What is the difference between php and php7.2 packages?
120840
Downgrade Nexus 4 from Android 4.3 to 4.2.2
53267
How do I recover the default version of some configuration file?
94545
How to update ubuntu's python with latest version from source?
25295
How do I downgrade Minecraft to play on a server running an older version?