$ perl -wle 'use PHP::Interpreter'
Can't load '/usr/local/lib/perl/5.8.8/auto/PHP/Interpreter/Interpreter.so' for module PHP::Interpreter: /usr/local/lib/perl/5.8.8/auto/PHP/Interpreter/Interpreter.so: undefined symbol: zend_ce_traversable at /usr/lib/perl/5.8/DynaLoader.pm line 225.
 at -e line 1
Compilation failed in require at -e line 1.
BEGIN failed--compilation aborted at -e line 1.