Is there a lower limit and upper limit check function in PHP or MySQL? -

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Is there such a function in PHP or MySQL? 

  function check ($ lower, $ val, $ upper) {if ($ val> $ lower & $ val & lt; upper) {return $ val; } If ($ val & lt; = $ less) {return $ lower; } If ($ val> = $ upper) {return over $; }}

I do not believe this, but min () and Maximum () : 

  function check ($ lower, $ val, $ upper) {return minute (max ($ lower, $ val), upper $); }

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