Get instant function documentation using PHP IDE

Use PHP IDE to obtain instant function documents to quickly obtain function information, including: function signature description parameter return value example usage practical case

Use PHP IDE to obtain Instant Function Documentation

In PHP development, it is crucial to understand functions and their usage. IDEs can provide instant function documentation so developers can quickly and easily find the information they need.

Setting up PHP IDE

Different PHP IDEs (such as PhpStorm, Eclipse PDT or VSCode) provide different ways to obtain function documentation. In PhpStorm:

1. Open Settings (Ctrl Alt S)
2. Navigate to Preferences > Editor > Documentation
3. Make sure Check "Show documentation prompt after cursor over"

Get function documentation

To get function documentation, hover your cursor over the function name. The IDE will automatically display a pop-up window with the following information:

• Function signature
• Description
• Parameters
• Return value
• Example usage

Practical case

The following example shows how to obtain the documentation of the array_merge() function in PhpStorm:

<?php
// 将两个数组合并
$mergedArray = array_merge($array1, $array2);
?>

Hovering the cursor over array_merge() will display the following pop-up window:

array array_merge ( array ...$arrays ) : array
Merges the elements of one or more arrays into one array.

Advantages

Get using IDE Instant function documentation can bring the following benefits:

• Quickly access function information
• Reduce time looking for documentation
• Write more accurate code
• Improve development efficiency

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