What does php weakly typed variable mean?

php Weakly typed variables mean that when declaring a variable, we do not need to specify the data type it stores. PHP is a weakly typed language. It does not strictly check variable types. Variables can declare their types without explicitly declaring their types, but are directly assigned values ​​during runtime.

Weakly typed variables

PHP is a weakly typed, dynamic language script. When declaring a variable, you do not need to specify the data type it holds.

PHP does not strictly check variable types. Variables can declare their types without displaying them, and assign values ​​directly during runtime. Variables can also be converted freely.

As shown in the following example, without implementation declaration, $i can be assigned any type of value.

Example:

Dynamic variables can be changed during runtime, and there is no need to declare the variable type before use. 
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