How to Replace the Last Instance of a String in PHP?

Searching and Replacing the Final Instance of a String

In scenarios where a string's last occurrence may not reside at the string's terminus, finding an efficient method for replacing this occurrence becomes crucial. Consider the example:

The desired output here is:

Utilizing the following function, you can achieve this:

The function scrutinizes the subject string for the final occurrence of the search string. Upon finding this occurrence, it replaces that segment of the subject string with the replacement string. The result is the modified subject string with the last instance of the search string successfully replaced.

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