Can't strings be spliced in php?

Strings in php can be spliced. Two methods of string splicing: 1. Use the string connector "." to splice two or more strings into a new string, the syntax is "$string1.$string2.$string3 ...."; 2. Use the assignment operator ".=" for splicing. You can append the string on the right side of the equation to the end of the string on the left, using the syntax "$string1 .= $string2".

The operating environment of this tutorial: windows7 system, PHP version 8.1, DELL G3 computer

Strings in php can be spliced.

In PHP, you can concatenate two or more strings into a new string.

There are two ways to splice strings in PHP:

• One is to use the string concatenation character.;

• The other is to use the assignment operator.=.

Method 1: Use string concatenation.

String concatenation operator.can concatenate two or more strings into a new string.

There is an example below:

字符串2：".$str2; echo "
字符串1和字符串2拼接后：".$str3; ?>

Output result:

It can be seen that when we useWhen echois output, sometimes you need some text prompts. In this case, you can use the string connector.to splice the text strings and variables enclosed in quotation marks together for output, for example "echo "After concatenating string 1 and string 2: ".$str3;".

When using echo to output a string, you can also use curly brackets{$str}to embed variables in the string, such as "Text{$str} Text"; If {} is not used, you can also use word segmentation characters to separate variables and text. Word segmentation characters are generally spaces, punctuation marks, etc.

字符串2：$str2"; echo "
字符串1和字符串2拼接后: {$str3}"; ?>

Output result:

Method 2: Use assignment operator.=

In PHP, you can use the format of "$string1 .= $string2" to concatenate strings,. The =operator can append the string on the right side of the equation to the end of the string on the left

Let’s take a look at the following example to understand the.=operator.

字符串2：".$str2; $str1.=$str2; echo "
字符串1和字符串2拼接后：".$str1; ?>

Output result:

Recommended learning: "PHP Video Tutorial"

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