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Using Laravel for Advanced String Manipulation in PHP

Replacing Substrings

Explore how to use Laravel's replace helper methods for substring replacement within strings and arrays. Learn to normalize file paths, modify PHP namespaces, and perform multiple replacements efficiently using arrays and fluent string methods. This lesson equips you with practical skills in advanced string manipulation in PHP using Laravel.

We'll cover the following...

The replace helper method

The replace helper method can find and replace strings within an existing string. We can also use this method to replace multiple strings within a single value or even replace multiple strings across many values.

PHP
<?php
/**
 * Versions: Laravel 8, 9
 *
 * @return string
 */
public static function replace(
    string|string[] $search,
    string|string[] $replace,
    string|string[] $subject
);

The replace helper is useful for, but not limited to:

  • Normalizing file path
...