Understand how to use PHP-version to switch PHP versions under macOS

                                                       

The local environment is 7.1 which is consistent with the company's project environment, but laravel6.0 upgrade must require 7.2 (the local environment of friends in the group is 7.2, and then push After the code, the project dev environment cannot be automatically deployed). After thinking about it, I still have to get something locally to facilitate switching the PHP version.

Method 1. Use valet use php@version (Friends who use valet to set up the environment, please read here)

This is actually because I did not read the document carefully - -, I have only roughly learned the basic use of valet before - -, if you read the documentation carefully, you can save half a day - -

Valet allows you to use valet use php@version Command to switch PHP version. If the specified version has not been installed, Valet will install the specified PHP version through Brew:

valet use php@7.2
valet use php@7.1

But this must be a new version of valet and must be upgraded first, otherwise an error will be reported, as follows

[qian@bogon ~ ]$ valet use php@7.2
  Command "use" is not defined.

Valet upgrade:
You can use the composer global update command in the terminal to update Valet. After the upgrade, if necessary, it is best (in practice, it is found that it is necessary) to run valet install again so that Valet can upgrade the configuration file.

composer global update
valet install

After blue, it will be ok valet use php@7.2

[qian@bogon ~ ]$ valet use php@7.2
Stopping php@7.1...
Unlinking current version: php@7.1
Linking new version: php@7.2
Updating PHP configuration...
Restarting php@7.2...
Restarting nginx...
Valet is now using php@7.2.

Method 2: Install php-version (if valet is not used, this should be Yes)

step 1. Use brew to install multiple php versions

brew install php71 // It is not necessary if you have it originally
brew install php72

step 2. If you find that the brew command to install php-version is invalid, then install it manually

[qian@bogon ~ ]$ mkdir $HOME/.local
[qian@bogon ~ ]$ cd $HOME/.local
[qian@bogon .local ]$ git clone https://github.com/wilmoore/php-version.git
[qian@bogon .local ]$ source $HOME/.local/php-version/php-version.sh
//测试  查看当前php版本
[qian@bogon .local ]$ php-version
* 7.1.18
 7.2.22

Now add environment variables

[qian@bogon ~ ]$ echo "source $HOME/.local/php-version/php-version.sh" >> ~/.zshrc
[qian@bogon ~ ]$ source ~/.zshrc

Switch php version

php-version 7.1
或
php-version 7.2

Use the command line to type php -v which is already the switched version.

---

trap record

1. The first time you use brew to install php72, the permissions are not enough to create the Frameworks directory

An error is reported when executing the first time

==> Pouring python-3.7.4_1.mojave.bottle.tar.gz
Error: An unexpected error occurred during the `brew link` step
The formula built, but is not symlinked into /usr/local
Permission denied @ dir_s_mkdir - /usr/local/Frameworks
Error: Permission denied @ dir_s_mkdir - /usr/local/Frameworks

Then go to /usr/local/ and create a new directory Frameworks, and execute it againbrew install php72

2. Use brew to install the php-version tool, the command is invalid

brew install php-version
gave an error

[qian@bogon ~ ]$ brew install php-version
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 1 tap (homebrew/core).
==> Updated Formulae
atomist-cli                              webtorrent-cli

Error: No available formula with the name "php-version"
==> Searching for a previously deleted formula (in the last month)...
Warning: homebrew/core is shallow clone. To get complete history run:
  git -C "$(brew --repo homebrew/core)" fetch --unshallow

Error: No previously deleted formula found.
==> Searching for similarly named formulae...
Error: No similarly named formulae found.
==> Searching taps...
==> Searching taps on GitHub...
Error: No formulae found in taps.

It said there is no such thing called "php-version", I also put "homebrew/core" Pulled it

git -C "$(brew --repo homebrew/core)" fetch --unshallow

3. Executephp -vTimes dyld: Library not loaded: /usr/local/opt/icu4c/lib/libicui18n.61.dylib

[qian@bogon ~ ]$ php -v
dyld: Library not loaded: /usr/local/opt/icu4c/lib/libicui18n.61.dylib
  Referenced from: /usr/local/bin/php
  Reason: image not found
[1]    66728 abort      php -v

Anyway, I just reinstall Dafa

brew uninstall --force php71 && brew install php71

4. php-version does not work in valet environment

---

If you don’t have friends who use valet, you don’t need to read the following. Okay~

Same as method one above, php-version is installed, php -v also faces
but. . . . Regardless of whether you use sudo pkill -INT -o php-fpm or sudo kill -9 process id,
, you cannot kill the php-fpm process. Use ps -ef | grep php Check the process:

[qian@bogon ~ ]$ ps -ef |grep php
  501   307     1   0 四09上午 ??        51:34.33 /Applications/PhpStorm.app/Contents/MacOS/phpstorm -psn_0_90134
    0 70900     1   0  2:33下午 ??         0:00.11 /usr/local/opt/php@7.1/sbin/php-fpm --nodaemonize
  501 70901 70900   0  2:33下午 ??         0:00.00 /usr/local/opt/php@7.1/sbin/php-fpm --nodaemonize
  501 70902 70900   0  2:33下午 ??         0:00.00 /usr/local/opt/php@7.1/sbin/php-fpm --nodaemonize
  501 70904 10409   0  2:33下午 ttys007    0:00.00 grep --color=auto --exclude-dir=.bzr --exclude-dir=CVS --exclude-dir=.git --exclude-dir=.hg --exclude-dir=.svn php

Print phpinfo() in the code; it is still the php version before switching, you have to find the reason and find another way
Usesudo php-fpmCommand, found that the error reported is related to valet

[qian@bogon ~ ]$ sudo php-fpm && php -v
Password:
[16-Sep-2019 18:27:08] ERROR: An another FPM instance seems to already listen on /Users/qian/.config/valet/valet.sock
[16-Sep-2019 18:27:08] ERROR: FPM initialization failed
[qian@bogon ~ ]$

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