How to find PHP function documentation in the IDE

How to find PHP function documentation in the IDE: PHPStorm and WebStorm: Hover the cursor and press Ctrl Q. Eclipse: Right-click the function and select Open Definition. Visual Studio Code: Install the PHP IntelliSense extension, hover the cursor and press F1.

How to find PHP function documentation in an IDE

Finding PHP function documentation in a modern IDE is very simple. Here's how to find documentation in popular IDEs:

PHPStorm and WebStorm

1. Hover your cursor over the function name.
2. Press the Ctrl Q (Mac: Cmd Q) hotkey.

Eclipse

1. Right click on the function name.
2. Select "Open Definition".
3. In the open PHP file, click the function name.

Visual Studio Code

1. Install the PHP IntelliSense extension.
2. Hover the cursor over the function name.
3. Press the F1 key.

Practical case

Consider the following PHP code:

$result = array_filter($array, 'is_int');

To find documentation for the array_filter() function, Please follow these steps:

• Using PHPStorm: Hover the cursor over the array_filter() name and press Ctrl Q.
• Using Eclipse: Right-click array_filter() and select "Open Definition".
• Using Visual Studio Code: Hover over array_filter() and press F1.

At this point, you will see detailed documentation about the array_filter() function, including its signature, description, parameters, and return value.

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