How to install?

[olelasse]

I feel quite stupid. I am an old fashioned php programmer. I only program for myself, and some small projects. So I have used Notepad++ for ages, but thought now that I could "upgrade" myself. Both with an IDE and by getting a bit help following a community based structure of programming.

So my choice went with NetBeans. Installed it, and pressed Tools -> Plugins. Searched "CS fixer" on available plugins, and installed. Went to Tools -> Options -> PHP -> Framework & Tools -> PHP CS Fixer. There I had some trouble. After searching far and wide, I found a php-cs-fixer.phar file, downloaded it, and browsed to this file. When I then right click a php file, and press PHP CS Fixer, and choose whatever option, I get a notification. "Unexpected Exception": "PHP CS Fixer must be a valid file".

A org.netbeans.modules.php.api.executable.InvalidPhpExecutableException exception has occurred. However, the system should continue working without further problems. Click Show Details for the stack trace.

org.netbeans.modules.php.api.executable.InvalidPhpExecutableException: PHP CS Fixer must be a valid file. at org.netbeans.modules.php.phpcsfixer.commands.PhpCsFixer.newInstance(PhpCsFixer.java:109) at org.netbeans.modules.php.phpcsfixer.commands.PhpCsFixer.newInstance(PhpCsFixer.java:102) at org.netbeans.modules.php.phpcsfixer.commands.PhpCsFixer.getDefault(PhpCsFixer.java:98) at org.netbeans.modules.php.phpcsfixer.ui.actions.FixDryRunAction.runCommand(FixDryRunAction.java:57) [catch] at org.netbeans.modules.php.phpcsfixer.ui.actions.PhpCsFixerBaseAction.actionPerformed(PhpCsFixerBaseAction.java:66) at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1972) at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2314) at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:407) at java.desktop/javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262) at java.desktop/javax.swing.AbstractButton.doClick(AbstractButton.java:374) at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1029) at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1073) at java.desktop/java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:297) at java.desktop/java.awt.Component.processMouseEvent(Component.java:6621) at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3398) at java.desktop/java.awt.Component.processEvent(Component.java:6386) at java.desktop/java.awt.Container.processEvent(Container.java:2266) at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4996) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4828) at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4948) at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4575) at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4516) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2310) at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2780) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4828) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:775) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:714) at java.base/java.security.AccessController.doPrivileged(AccessController.java:400) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:98) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:747) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745) at java.base/java.security.AccessController.doPrivileged(AccessController.java:400) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:744) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

Please help me with activation this plugin!