How to merge strings in PHP

How to merge strings in PHP: first create a PHP sample file; then define two strings; finally, use functions such as implode and array_unique to merge strings.

The operating environment of this article: Windows 7 system, PHP version 7.1, Dell G3 computer.

This article mainly introduces how to merge strings in PHP.

For PHP learners, merging multiple strings should not be difficult. But if there are the same elements in these multiple strings, when we want to merge them and make their values ​​​​unique. In other words, while merging, deduplication operations must also be performed. How to achieve this? It's actually very simple.

Below we will use a simple example to introduce to you how PHP merges two comma-separated lists with only unique values.

PHP code example is as follows:

<?php
$list1 = "4, 5, 6, 7";
$list2 = "4, 5, 7, 8";

$result = implode("," , array_unique(array_merge(explode(",",$list1),explode(",", $list2))));
echo $result."\n";

The flow chart is as follows:

##The result is as shown below:

Recommended tutorial: "

PHP Tutorial"

Related function introduction:

implode function represents the value of a one-dimensional array Convert to string.

array_unique function means removing duplicate values ​​in the array.

The explode function means using one string to split another string.

The array_merge function means merging one or more arrays.

This article is about the specific method of combining strings in PHP. It is also very simple and easy to understand. I hope it will be helpful to friends in need!

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