How to Extract Everything After a Specific String in PHP?

Extracting Everything After a Specified String: A Comprehensive Guide

Suppose you have a string where a set of numbers always precedes an underscore character, followed by the rest of the string. The task is to retrieve the content after the underscore.

To achieve this goal, the strpos() function comes to our aid. It determines the position of the underscore within the string. Then, we employ the substr() function, which seizes control from the index position just after the underscore and captures the remaining characters.

For instance, consider the following string manipulation examples:

This example demonstrates the extraction of "String" from "123_String".

However, if the string might not always contain the underscore character, it's prudent to verify its existence before proceeding. The following code snippet demonstrates this approach:

In this case, the modified code checks for the underscore's presence and returns "This_is_a_string" from the given input string.

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