PHP Assignment operator

In lecture 19 and 20, we will learn PHP. What is PHP? PHP originally stood for Personal Home Page. But now PHP stands for PHP Hypertext Preprocessor. PHP is an open soruce server side scripting language. For more information, Inviting you to refer lecture.

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HOW TO WRITE PHP SCRIPTS Combining calculations and assignment PHP offers a shorthand way of performing a calculation on a variable and reassigning the result to the variable through combined assignment operators. The main ones are listed in Table 3-3. Table 3-3. Combined arithmetic assignment operators used in PHP Operator += -= *= /= %= Example $a += $b $a -= $b $a *= $b $a /= $b $a %= $b Equivalent to $a = $a + $b $a = $a - $b $a = $a * $b $a = $a / $b $a = $a % $b Adding to an existing string The...

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Bài 4: Các toán tử Để thực hiện việc tính toán các giá trị trong PHP, ta sử dụng toán tử (operator). 1. Gán (assignment) Toán tử gán (dấu =) được sử dụng hết sức đơn giản. Ví dụ: PHP Code: Sau ví dụ, biến $a và $b mang giá trị 1, $c mang giá trị "cool".

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