Quickly reveal definitions in Eclipse PDT

Eclipse PDT (PHP Development Tools) has the ability to quickly show the definitions of functions and methods by hovering the cursor over the parentheses of a reference. This feature is an extension of the typical docblock or signature reveal when hovering over a method or function call itself.

It's not as easy to hover over a parenthesis as it is to hover over a function reference, so invoking the tip can be a little clumsy. And there's another peculiarity with the feature too. Typically, the inline popups like this are "focusable" by moving the mouse from a hover into the pop-up. For these pop-ups though, they immediately disappear when moving away from the parentheses. Instead, use the F2 key to focus the pop-up. In spite of these usability matters, the feature is handy as a quick reference and is welcome.

It's possible that other Eclipse plug-ins have a similar feature to, so in order to get an idea as to whether or not this is a feature of the PDT plugin, the feature was tested with the Java, and JavaScript perspectives. The feature was only available while using PDT.

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