Combined Comparison character PHP7 +

: This article mainly introduces the combination of the comparison character PHP7 +. if you are interested in the PHP Tutorial, you can refer to it. Php7 + supports the combination of comparison operators, that is, the English name is combined comparison operator. The combination of comparison operators can easily achieve the comparison of two variables, of course not limited to the comparison of numerical data.
Syntax: $ A <=> $ B
If $ A> $ B, The returned value is 1.
If $ A = $ B, The returned value is 0.
If $ A <$ B, The returned value is-1.

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The above introduces the combination of the comparison character PHP7 +, including the content, hope to be helpful to friends interested in PHP tutorials.