Câu hỏi phỏng vấn PHP
Câu hỏi

What does the 'var' keyword mean in PHP?

Câu trả lời

The var keyword in PHP is used to declare a variable without specifying its data type. It is a shorthand way of declaring a variable using the $ symbol followed by the variable name.

Here's how you can use the var keyword in PHP:

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var $variable_name = value;

For example:

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var $name = "John Doe";
var $age = 30;
var $is_student = true;

In the above example, we have declared three variables using the var keyword:

  • $name is assigned the string value "John Doe"
  • `$...
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