What are the assignment operators in php?

PHP assignment operators are used to assign values ​​to variables, including: the single equal sign (=) assigns the right value to the left variable; plus equals (=) adds the right value to the left variable and assigns it; subtract Equal (-=) subtracts the left variable from the rvalue and assigns it; multiply equal (*=) multiplies the left variable by the right value and assigns it; divide equal (/=) divides the left variable by the right value and assigns it; modulo equals ( %=) takes the left variable modulo the rvalue and assigns it.

PHP Assignment Operator

Assignment operator in PHP is used to assign a value to a variable. They include:

1. Single equal sign (=)
The most commonly used assignment operator. It assigns the value on the right to the variable on the left.

Example:

<code class="php">$x = 10;</code>

2. Add Equals (=)
Adds the value on the right to the variable on the left and assigns the result.

Example:

<code class="php">$x += 5; // 等价于 $x = $x + 5</code>

3. Subtract Equals (-=)
Subtract the value on the right from the variable on the left and assign the result.

Example:

<code class="php">$x -= 2; // 等价于 $x = $x - 2</code>

4. Multiply equals (*=)
Multiply the variable on the left by the value on the right and assign the result.

Example:

<code class="php">$x *= 3; // 等价于 $x = $x * 3</code>

5. Division equals (/=)
Divides the variable on the left by the value on the right and assigns the result.

Example:

<code class="php">$x /= 2; // 等价于 $x = $x / 2</code>

6. Modulo equals (%=)
Take the variable on the left modulo the value on the right and assign the result.

Example:

<code class="php">$x %= 3; // 等价于 $x = $x % 3</code>

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