If search and replace are arrays, then str_replace () takes a value from each array and uses them to search and replace on subject. If replace has fewer values than search, then an empty …

Example Replace the characters "world" in the string "Hello world!" with "Peter":

Nov 30, 2021 · In this article, we will see how to replace the occurrence of the search string with the replacing string using the str_replace () function in PHP, along with understanding their …

Use the str_replace() function to replace a substring with another string. Use the str_ireplace() function to search a substring case-insensitively and replace it with another string.

Nov 14, 2025 · Learn PHP str_replace with clear examples, best practices, and tips on how to replace a string in PHP for robust, readable code.

The PHP String str_replace () function is used to replace all occurrences of the search string or array of search strings with a replacement string or array of replacement strings in the given …

The str_replace () function replaces specific text within a string with new text. It also supports replacing multiple values at once using arrays.

If find and replace are arrays, then str_replace() takes a value from each array and uses them to find and replace on string, as you can see in the following example:

In this tutorial, you will learn how to replace characters in a string using PHP. This functionality is crucial for data manipulation, cleaning inputs, and generating dynamic output in web applications.

Example Replace the characters "world" in the string "Hello world!" with "Peter":