What is the concatenation operator for strings in php

藏色散人
Release: 2018-12-12 09:31:07
Original
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#There are two string operators in PHP. The first is the concatenation operator ("."), which returns the concatenated string of its left and right arguments. The second is the concatenation assignment operator (".="), which appends the right argument to the left argument.

What is the concatenation operator for strings in php

Below we will introduce to you how to connect strings in PHP through simple code examples.

1. Connection operator ".="

The code is as follows:

<?php
$a = "Hello";
$a .= " PHP中文网!";
echo $a;
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The connection result is as follows:

What is the concatenation operator for strings in php

Note: ".=" can not only splice strings, but also append floating point and integer type data.

If you connect integers & decimals:

<?php
$a = "Hello";
$a .= 1;//或1.2
echo $a;
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The result is as follows:

What is the concatenation operator for strings in php

What is the concatenation operator for strings in php

##2. Connection operator "."

The code example is as follows:

<?php
$a = "Hello";
$b = " PHP中文网!";
echo $a.$b;
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Here, echo directly outputs two variables connected with ".", and the result is as follows:


What is the concatenation operator for strings in php

This article is an introduction to the PHP string concatenation operator. It is very simple. I hope it will be helpful to friends in need!


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