PHP no aptana studio

[FIM]

Pessoal, não consigo instalar os plugins pra php no aptana studio.

Na hora tem os seguinte plugins pra selecionar pra instalar:

-PDT SDK 2.0.1;

-PDT SDK 2.1.2;

-Zend CE Features;

Depois ele me devolve essa mensagem:

Cannot complete the install because of a conflicting dependency.

Software being installed: PDT SDK Feature 2.0.0.v20090315-1850 (org.eclipse.php.sdk.feature.group 2.0.0.v20090315-1850)

Software being installed: PHP Development Tools (PDT) SDK Feature 2.1.1.v20090707-1108-51384QACJCQDWeNNmUTdPJewhS9O (org.eclipse.php.sdk.feature.group 2.1.1.v20090707-1108-51384QACJCQDWeNNmUTdPJewhS9O)

Only one of the following can be installed at once:

PHP Development Tools (PDT) SDK Feature 2.1.1.v20090707-1108-51384QACJCQDWeNNmUTdPJewhS9O (org.eclipse.php.sdk.feature.jar 2.1.1.v20090707-1108-51384QACJCQDWeNNmUTdPJewhS9O)

PDT SDK Feature 2.0.0.v20090315-1850 (org.eclipse.php.sdk.feature.jar 2.0.0.v20090315-1850)

Cannot satisfy dependency:

From: PDT SDK Feature 2.0.0.v20090315-1850 (org.eclipse.php.sdk.feature.group 2.0.0.v20090315-1850)

To: org.eclipse.php.sdk.feature.jar [2.0.0.v20090315-1850]

Cannot satisfy dependency:

From: PHP Development Tools (PDT) SDK Feature 2.1.1.v20090707-1108-51384QACJCQDWeNNmUTdPJewhS9O (org.eclipse.php.sdk.feature.group 2.1.1.v20090707-1108-51384QACJCQDWeNNmUTdPJewhS9O)

To: org.eclipse.php.sdk.feature.jar [2.1.1.v20090707-1108-51384QACJCQDWeNNmUTdPJewhS9O]

Tem dependências em conflito. Alguém sabe como resolver esse problema? Agradeço desde já.