Seems like an update is needed, Yiiclipse installation in Eclipse 2019-09 cannot proceed due to following error:
Cannot complete the install because one or more required items could not be found.
Software being installed: Yiiclipse Core 1.2.0.201301050012 (org.maziarz.yiiclipse.feature.feature.group 1.2.0.201301050012)
Missing requirement: Yiiclipse 1.2.0.201301050012 (org.maziarz.yiiclipse 1.2.0.201301050012) requires 'java.package; org.eclipse.php.internal.core.compiler.ast.nodes 0.0.0' but it could not be found
Cannot satisfy dependency:
From: Yiiclipse Core 1.2.0.201301050012 (org.maziarz.yiiclipse.feature.feature.group 1.2.0.201301050012)
To: org.eclipse.equinox.p2.iu; org.maziarz.yiiclipse [1.2.0.201301050012,1.2.0.201301050012]
Seems like an update is needed, Yiiclipse installation in Eclipse 2019-09 cannot proceed due to following error:
Eclipse: