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@ 2013-07-28T07:09:13Z

Calculator
<form action = "calculator.php" method = "post">
   <table>
   <table width="300" height="200" border="20">
   <tr><td>first number: </tr><td><input type="text" name="num1"><br></td><tr>
    <tr><td>0perattor: </tr><td><input type="text" name="oper"><br></td><tr> 
	 <tr><td>second number: </tr><td><input type="text" name="num2"><br></td><tr>
   </tr><td></tr><td><input type="submit" value="solve"></td><tr>
   </table>
  </form>
  

<?php



$num1=$_POST['num1'];
$num2=$_POST['num2'];
$oper=$_POST['oper'];

if($oper=='+'){

$result=   $num1+$num2 ; 
 echo "The Sum is  $result";
}else if($oper=='-'){
$result=   $num1-$num2;
echo "The Difference is  $result";   
}else if($oper=='*'){
$result=   $num1*$num2 ; 
echo "The Product is  $result"; 
}else if($oper=='/'){
$result=   $num1/$num2 ;  
echo "The Quotient is  $result";
}else
echo" Operator doest not exist"



?>

Output for git.master, git.master_jit, rfc.property-hooks: Calculator <form action = "calculator.php" method = "post"> <table> <table width="300" height="200" border="20"> <tr><td>first number: </tr><td><input type="text" name="num1"><br></td><tr> <tr><td>0perattor: </tr><td><input type="text" name="oper"><br></td><tr> <tr><td>second number: </tr><td><input type="text" name="num2"><br></td><tr> </tr><td></tr><td><input type="submit" value="solve"></td><tr> </table> </form> Warning: Undefined array key "num1" in /in/kioMj on line 17 Warning: Undefined array key "num2" in /in/kioMj on line 18 Warning: Undefined array key "oper" in /in/kioMj on line 19 Operator doest not exist

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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