Expressions: Assignment Operations #

Assignment Operator #

Assignment can be used to assign a value to a variable using the = operator, followed by the expression to assign to the left.

$foo = $bar;

Addition Assignment Operator #

Addition assignment can be used to add a value to a variable using the += operator, followed by the expression to add to the left.

$foo += $bar;

Subtraction Assignment Operator #

Subtraction assignment can be used to subtract a value from a variable using the -= operator, followed by the expression to subtract from the left.

$foo -= $bar;

Multiplication Assignment Operator #

Multiplication assignment can be used to multiply a value to a variable using the *= operator, followed by the expression to multiply to the left.

$foo *= $bar;

Division Assignment Operator #

Division assignment can be used to divide a value from a variable using the /= operator, followed by the expression to divide from the left.

$foo /= $bar;

Modulus Assignment Operator #

Modulus assignment can be used to get the modulus of a value from a variable using the %= operator, followed by the expression to get the modulus from the left.

$foo %= $bar;

Exponentiation Assignment Operator #

Exponentiation assignment can be used to exponentiate a value to a variable using the **= operator, followed by the expression to exponentiate to the left.

$foo **= $bar;

Concatenation Assignment Operator #

Concatenation assignment can be used to concatenate a value to a variable using the .= operator, followed by the expression to concatenate to the left.

$foo .= $bar;

Bitwise And Assignment Operator #

Bitwise and assignment can be used to bitwise and a value to a variable using the &= operator, followed by the expression to bitwise and to the left.

$foo &= $bar;

Bitwise Or Assignment Operator #

Bitwise or assignment can be used to bitwise or a value to a variable using the |= operator, followed by the expression to bitwise or to the left.

$foo |= $bar;

Bitwise Xor Assignment Operator #

Bitwise xor assignment can be used to bitwise xor a value to a variable using the ^= operator, followed by the expression to bitwise xor to the left.

$foo ^= $bar;

Bitwise Shift Left Assignment Operator #

Bitwise shift left assignment can be used to bitwise shift left a value to a variable using the <<= operator, followed by the expression to bitwise shift left to the left.

$foo <<= $bar;

Bitwise Shift Right Assignment Operator #

Bitwise shift right assignment can be used to bitwise shift right a value to a variable using the >>= operator, followed by the expression to bitwise shift right to the left.

$foo >>= $bar;

Null Coalescing Assignment Operator #

Null coalescing assignment can be used to assign a value to a variable if it is null using the ??= operator, followed by the expression to assign to the left.

$foo ??= $bar;