.= what does it mean in php

.= is an assignment operator in PHP, used to connect two strings. For example, the expression "a .= b" also means the expression "a = a . b".

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

.= What does php mean?

.= is an assignment operator in PHP, used to connect two strings.

For example, a .= b means a = a . b.

Note:

In PHP, the basic assignment operator is "=".

It means that the left operand is set to the value of the right-hand expression. That is, the value of "$x = 5" is 5.

a . b, concatenation operator, used to connect two strings, such as "Hi" . "Ha" is HiHa.

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