PHP assignment operators are used to assign or process with numeric values. The basic assignment operator in PHP is "=". It means that the left operand gets set to the value of the assignment expression on the right.
|=||Equal||$a = $b||Assign the $b value to $a.|
|+=||Addition||$a+=$b||Add the value of $b to $a and store the result in $a.|
|-=||Subtraction||$a-=$b||Subtract the $b value from $a. and store the result in $a.|
|*=||Multiplication||$a*=$b||Multiply the $a and $b value. and store the result in $a.|
|/=||Division||$a/=$b||Divide with $a by $b. and store the result in $a.|
|%=||Modulus||$a%=$b||remainder of $a divided by $b. and store the result in $a.|