15-03-2019

2019-03-15 20:20:37 +01:00
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+# PHP 7.3
+
+
+
+### Changer de version de PHP:
+
+```bash
+$ brew unlink php@7.3 && brew link --force --overwrite php@5.6
+```
+
+On installe un petit utilitaire [PHP Switcher Script](https://gist.github.com/rhukster/f4c04f1bf59e0b74e335ee5d186a98e2)
+
+```bash
+$ curl -L https://gist.githubusercontent.com/rhukster/f4c04f1bf59e0b74e335ee5d186a98e2/raw > /usr/local/bin/sphp
+$ chmod +x /usr/local/bin/sphp
+
+
+```
+
+Ensuite. pour changer de version:
+
+```bash
+$ sphp 7.3
+```
+
+Par exemple, pour passer de 7.2.13. à 7.3.0_1:
+
+```bash
+$ sphp 7.3
+Switching to php@7.3
+Switching your shell
+Unlinking /usr/local/Cellar/php@7.2/7.2.13... 25 symlinks removed
+Unlinking /usr/local/Cellar/php/7.3.0_1... 0 symlinks removed
+Linking /usr/local/Cellar/php/7.3.0_1... 24 symlinks created
+You will need sudo power from now on
+Switching your apache conf
+Password:
+Restarting apache
+
+PHP 7.3.0 (cli) (built: Jan  3 2019 10:08:00) ( NTS )
+Copyright (c) 1997-2018 The PHP Group
+Zend Engine v3.3.0-dev, Copyright (c) 1998-2018 Zend Technologies
+    with Zend OPcache v7.3.0, Copyright (c) 1999-2018, by Zend Technologies
+
+All done!
+```
+
+Il y a un autre utilitaire (<u>brew-php-switcher</u>):
+
+```bash
+$ brew info brew-php-switcher
+brew-php-switcher: stable 2.0, HEAD
+Switch Apache / Valet / CLI configs between PHP versions
+https://github.com/philcook/php-switcher
+Not installed
+```
+
+
+
+### Extensions:
+
+#### Liste des extensions (Homebrew):
+
+```bash
+$ brew search php73
+```
+
+#### Installer des extensions:
+
+Elles s'installent via [PECL](https://pecl.php.net) (requiert autoconf, `brew install autoconf`).
+
+- ```bash
+  $ pecl uninstall -r xdebug
+  
+  $ pecl install xdebug
+  $ pecl install yaml
+  $ pecl install redis
+  $ pecl install apcu
+  $ pecl install memcached
+  $ pecl install imagick
+  
+  # Pour une version spécifique:
+  $ pecl install xdebug-2.7.0beta1
+  ```
+
+Pour les activer, créez un fichier de configuration dans  `/usr/local/etc/php/7.3/conf.d/`
+
+```bash
+bruno@silverbook:/usr/local/etc/php/7.3/conf.d$ l
+total 32
+drwxr-xr-x  6 bruno  admin  192  4 jan 19:32 .
+drwxr-xr-x  9 bruno  admin  288  3 jan 19:34 ..
+-rw-r--r--  1 bruno  admin   72  4 jan 16:09 ext-opcache.ini
+-rw-r--r--  1 bruno  admin  172  4 jan 18:58 ext-xdebug.ini
+-rw-r--r--  1 bruno  admin   81  4 jan 18:43 ext-yaml.ini
+-rw-r--r--  1 bruno  admin   87 13 déc 07:12 fix-jit.ini
+
+bruno@silverbook:/usr/local/etc/php/7.3/conf.d$ nano ext-xdebug.ini
+
+[xdebug]
+zend_extension="/usr/local/lib/php/pecl/20180731/xdebug.so"
+xdebug.remote_enable=1
+xdebug.remote_host=localhost
+xdebug.remote_handler=dbgp
+xdebug.remote_port=9000
+
+```
+
+
+
+### Erreurs:
+
+#### Warning: preg_replace(): JIT compilation failed: no more memory in
+
+Il s'agit d'un [bug](https://bugs.php.net/bug.php?id=77260) connu de PHP 7.3.
+
+2 solutions:
+
+- désinstaller php 7.3
+  `$ brew uninstall php@7.3`
+- désactiver la compilation PCRE JIT dans le php.ini
+  `pcre.jit=0`
+
+
+
+Pour désactiver la compilation PCRE JIT, on peut aussi créer un fichier `fix-jit.ini` dans `/usr/local/etc/php/7.3/conf.d`et y ajouter:
+
+```php
+; My php.ini settings
+; Fix for PCRE "JIT compilation failed" error
+[Pcre]
+pcre.jit=0
+```