How can I get the definition (tooltip) of a core PHP function to show up in phpStorm?

Typically when I type the first parentheses the arguement list for that function comes up and tells me what goes where. I say typically because sometimes for what seems like no reason at all the definition won't appear, so I end up either looking the function up on the web, or pressing ctrl-b when the cursor is over the function which loads the PHP header files. I'd rather not do that and just be able to see the tooltip when I need to, but I don't know which hotkey that is. Does anyone know what I have to press to show the definition? I'm just talking about functions like explode or str_replace because I constantly forget the order of the arguments for these functions.

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Hi David,

It is Ctrl+P (default shortcut) to see function/method parameters tooltip (Main Menu | View | Parameter Info). To have it working you have to use it when cursor positioned within braces ()

It is Ctrl+Q (default shortcut) to see function/method/constant/variable documentation popup (Main Menu | View | Quick Documentation Lookup). To have it working position your cursor over function in question ans use shortcut.

These combinations work for any functions -- core php, third party (like PEAR, Zend etc) or your own code.

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Perfect! Thanks for the quick reply.

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