What does this expression mean *=

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I wonder what the meaning of *= both in PHP and Javascript:

I have a JS function and I’m converting to PHP, then appeared this *= but I have no idea what it does.

On the question of function is right. I would just like to understand what it is for.

$b *= 200;
php javascript

1 answer

11


Simplified Answer

That’s an abbreviated form of:

$b = $b * 200;

similarly there are abbreviations for sum, division and multiplication

$b = $b - 200;
$b -= 200;
$b = $b + 200;
$b += 200;
$b = $b / 200;
$b /= 200;

More detailed answer

This is a Operador Combinado where you combine a simple assignment (passing the value of one variable to another) with an arithmetic operation with the variable that will store the assignment (the result).

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