Function documentation resources for PHP developers

Resources for PHP developers to find function documentation include: PHP manual, Packagist documentation, Symfony documentation, Laravel documentation and extension package documentation. The steps to find function documentation are: 1. Find the function name; 2. Use resources to view the documentation, such as: PHP manual (https://www.php.net/manual/en/function.str-replace.php).

Function documentation resources for PHP developers

Preface
In PHP development, functions Documentation is critical to understanding and using functions. This article introduces some resources you can use to find function documentation and provides practical examples of its use.

Resources

• PHP Manual (php.net): https://www.php.net/manual/en/
• Packagist documentation: https://packagist.org/
• Symfony documentation: https://symfony.com/doc/current/ index.html
• Laravel documentation:https://laravel.com/docs/9.x/
• Extension package documentation:Can be downloaded from The expansion pack itself can be found in the GitHub repository or website.

Practical case

To view the function documentation, you can follow the following steps:

1. Find the function name

For example, you want to find documentation for the str_replace() function.

2. Use resources

• PHP Manual: Directly visit https://www.php.net/manual/en/ function.str-replace.php
• Packagist: Search for "str_replace" and view the documentation page.
• Extension Pack: If str_replace() comes from an extension pack, check the documentation for that extension pack.

Example

The following is an example code using the PHP manual to view the str_replace() function documentation:

<?php
// 查看 str_replace() 函数的文档
$help = help('str_replace');
var_dump($help);
?>

Output:

string(706) "string str_replace ( string $search , string $replace , string $subject [, int &$count = 0 ] ) : string
Replaces all occurrences of the search string with the replace string.
"

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