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How to query the position of a certain character in a string in php

王林
王林Original
2021-09-24 15:41:326214browse

php method to query the position of a certain character in a string: use the strpos() function to query, for example [echo strpos("You love php, I love php too!","php");] .

How to query the position of a certain character in a string in php

The operating environment of this article: windows10 system, php 7, thinkpad t480 computer.

When we learn PHP, we will definitely come into contact with a large number of strings. So what should we do if we want to find the specific position of a certain character in the string? It's actually very simple, because PHP has already provided us with functions, and we can just use them directly.

Let’s take a look at this function.

The strpos() function can find the specific position where a string appears for the first time in another string. If the string is not found, it returns FALSE.

Then let’s take a look at how this function is used.

For example, if we want to find the first occurrence of "php" in a string, the code is as follows:

<?php
echo strpos("You love php, I love php too!","php");
?>

Recommended learning: php training

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