1. Installation base ($prefix) : /usr/lib/php 2. Temporary directory for processing : /tmp/pear/install 3. Temporary directory for downloads : /tmp/pear/install 4. Binaries directory : /usr/bin 5. PHP code directory ($php_dir) : /usr/lib/php 6. Documentation directory : /usr/lib/php/doc 7. Data directory : /usr/lib/php/data 8. User-modifiable configuration files directory : /usr/lib/php/cfg 9. Pub
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