Ubuntu16.04LTS下PhpStorm2018.1配置php7.0解释器报错求助

Hey there, let’s work through this PhpStorm interpreter validation error step by step, based on your setup details:

Step 1: Verify You’re Selecting the Exact PHP 7.0 Binary #

Even though which php points to /usr/bin/php, symlinks can sometimes cause confusion in PhpStorm. Let’s explicitly target PHP 7.0:

1. Open PhpStorm and navigate to File > Settings > Languages & Frameworks > PHP
2. Click the ... button next to "CLI Interpreter"
3. Select Local from the dropdown, then browse directly to /usr/bin/php7.0 (not just /usr/bin/php)
4. Save the configuration and try validating again

Step 2: Align PhpStorm with Your CLI’s php.ini #

PhpStorm might be loading a different php.ini file than your terminal’s PHP instance. Let’s sync them:

1. Run this in your terminal to find your active CLI php.ini:

   php --ini
   

   Note the path listed under Loaded Configuration File (e.g., /etc/php/7.0/cli/php.ini)
2. Back in PhpStorm’s CLI Interpreter settings, go to the Configuration Options tab
3. Add a new entry: -c with the value of your loaded php.ini path (e.g., /etc/php/7.0/cli/php.ini)
4. Apply changes and re-validate

Step 3: Eliminate Unwanted PHP CLI Output #

The "Failed to parse" error almost always happens when PHP outputs extra text (warnings, notices, or custom startup messages) before the clean JSON PhpStorm expects. Here’s how to fix it:

1. Test if PHP outputs extra content by running:

   php -r "echo json_encode(['test' => 'valid']);"
   

   If the output starts with warnings/errors instead of pure JSON, that’s your culprit.
2. Fix this by either:
   • Editing /etc/php/7.0/cli/php.ini to set display_errors = Off
   • Adding a configuration option in PhpStorm’s CLI settings: -d display_errors=0

Step 4: Check for Auto-loaded PHP Scripts #

If you have an auto_prepend_file configured in php.ini, it might inject extra output. Run this to check:

php -i | grep auto_prepend_file

If a path is listed, either comment out that line in your cli/php.ini or adjust the script to not output anything when running via CLI.

内容的提问来源于stack exchange，提问作者Prasad Sawant