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关于echo woziji(20,10,'jian');

Shouldn’t it be

$resuilt=$x-$y=20-10=10 when passed to jian like this?

vecvec2295 days ago1248

reply all(3)I'll reply

  • 威尼斯

    威尼斯2018-08-03 11:17:54

    //I add $one and $two, and then pass $one and $two into the function $func for processing once

    //$func is a variable function, see variable function Chapter

    echo $one + $two + $func($one,$two);


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  • vec

    I understand when I see the variable function

    vec · 2018-08-03 11:30:19
  • 威尼斯

    威尼斯2018-08-03 11:16:48

    The little boss doesn’t review the questions carefully

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