Php midpoint "." Example analysis of

Php midpoint "." Example analysis, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

Php midpoint "." String concatenator, which can be used to concatenate two or more strings together to form a new string; the syntax format is "$string = string1.string2.string3.

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, click "." Refers to a string connector that can concatenate two or more strings into a new string.

The specific syntax format is as follows:

$string = string1.string2.string3. .stringn

Example:

Output result:

Note: when using echo to output a string, you can also use curly braces {$str} to embed variables in the string, such as "text {$str} text"; if you do not use {} you can use participle characters to separate variables and text, participle characters are generally spaces, punctuation marks and so on.

Output result:

In javascript, we can use "+" to concatenate strings, but in PHP, the "+" sign can only be used as an arithmetic operator, not as a string operator; then we can only use "." Operator to concatenate strings? No, you can also use the assignment operator ". =".

The. = operator appends the character on the right to the left. Its syntax is:

$string = string1;$string. = string2;$string. = string3; $string. = stringn

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