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Replacing the First Occurrence of a Substring or Character

Explore how to apply Laravel's replaceFirst helper method to replace the first occurrence of a substring or character in strings. Understand its use cases such as modifying URL schemes and file system paths, and practice using it within Laravel applications to handle string replacements precisely.

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The replaceFirst helper method

We can use the replaceFirst helper method to replace the first occurrence of a string with some other value.

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