PHP7 <=> 'Spaceship' Operator Explanation, Questions & Answers
PHP7, which will come out in September this year will introduce a new type of operator, called 'SpaceShip' operator. This <=> operator will offer combined comparison in that it will -
Here's a simple example -
...and so on.
- Return 0 if values on either side are equal
- Return 1 if value on the left is greater
- Return -1 if the value on the right is greater
Here's a simple example -
//Comparing Integers
echo 1 <=> 1; //ouputs 0
echo 3 <=> 4; //outputs -1
echo 4 <=> 3; //outputs 1
//String Comparison
echo "x" <=> "x"; // 0
echo "x" <=> "y"; //-1
echo "y" <=> "x"; //1
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