variant_add

(PHP 5, PHP 7)
"Adds" two variant values together and returns the result
mixed variant_add ( mixed $left, mixed $right )

Adds left to right using the following rules (taken from the MSDN library), which correspond to those of Visual Basic:

Variant Addition Rules
If Then
Both expressions are of the string type Concatenation
One expression is a string type and the other a character Addition
One expression is numeric and the other is a string Addition
Both expressions are numeric Addition
Either expression is NULL NULL is returned
Both expressions are empty Integer subtype is returned
Parameters:
left

The left operand.

right

The right operand.

Returns:

Returns the result.

See also:

variant_sub() -

doc_php
2016-02-24 16:14:26
Comments
Leave a Comment

Please login to continue.