Пример #1
0
function mathOperation($arg1, $arg2, $operation)
{
    switch ($operation) {
        case 'addition':
            echo "Результат сложения {$arg1} и {$arg2} равен " . addition($arg1, $arg2) . "<br>";
            break;
        case 'subtraction':
            echo "Результат вычитания {$arg2} из {$arg1} равен " . subtraction($arg1, $arg2) . "<br>";
            break;
        case 'multiplication':
            echo "Результат умножения {$arg1} на {$arg2} равен " . multiplication($arg1, $arg2) . "<br>";
            break;
        case 'remainder of the division':
            echo "Результат вычисления остатка при делении {$arg1} на {$arg2} равен " . remainderOfTheDivision($arg1, $arg2) . "<br>";
            break;
        default:
            echo "Введено неверное название операции<br>";
            break;
    }
}
</div>
<br><br>
<table width="500" border="0" align="center" cellpadding="1" cellspacing="1" class="tbl_border">
  <tr>
    <td><table width="100%"  border="0" cellpadding="0" cellspacing="0" class="tbl_gray_wborder">
        <tr>
          <td class="txt14b_black">
            <p align="center"><span class="txt16b_blue">Sample Output: </span><br>
              <br>
	<?php 
function addition($val1, $val2)
{
    $sum = $val1 + $val2;
    return $sum;
}
addition(3, 4);
$new_val = addition(3, 4);
if (addition(5, 6) == 11) {
    //echo "Yes";
}
?>
              <br>
          </p></td>
        </tr>
    </table></td>
  </tr>
</table>

</body>
</html>
<?php

echo "<h1>Welcome Samuel!</h1>";
//Usage of echo
echo "<br>";
$age = array("Samuel" => "29", "Sudhakar" => "30");
//Associative array
echo "Samuel is " . $age['Samuel'] . " years old.<br>";
$age1 = 29;
echo "Samuel is {$age1} years old.<br>";
//Global variables test
echo "Global variables test (Exception)";
$x = 75;
$y = 25;
function addition()
{
    $GLOBALS['z'] = $GLOBALS['x'] + $GLOBALS['y'];
}
addition();
echo "<br>";
//echo $z;
echo $y;
echo $y;
echo $x;
Пример #4
0
function say_hello()
{
    echo "Hello World! <br />";
}
say_hello();
function say_hello2($word)
{
    echo "Hello {$word}! <br />";
}
say_hello2("World");
say_hello2("Universe");
$name = "John Doe";
say_hello2($name);
//$target is an internal variable that is only used within
//the function
function say_hello3($greeting, $target, $punct)
{
    echo $greeting . ", " . $target . $punct . "<br />";
}
say_hello3("Greetings", $name, "!");
?>
<br />
<?php 
function addition($val1, $val2)
{
    $sum = $val1 + $val2;
}
echo addition(3, 4);
?>
</body>
</html>
Пример #5
0
        echo "<h2 style='text-align:center;'>Sorry no, " . $var1 . " is equal to " . $var2 . ".</h2>";
    }
}
//--Math System
$question = $query[1];
$answer = 0;
/*
 Using this regex we can split the string into an array based on the 4 math operators (+,-,/,*). 
 PREG_SPLIT_DELIM_CAPTURE returns the operators as part of the array.
*/
$stack = preg_split('/ *([+\\-\\/*]) */', $question, -1, PREG_SPLIT_DELIM_CAPTURE);
//The stack array must have a minimum of 3 elements to form a valid math operation: [A] [OPERATOR] [B]
while (sizeof($stack) >= 3) {
    switch ($stack[1]) {
        case "+":
            $answer = addition($stack[0], $stack[2]);
            break;
        case "-":
            $answer = subtract($stack[0], $stack[2]);
            break;
        case "*":
            $answer = multiply($stack[0], $stack[2]);
            break;
        case "/":
            $answer = divide($stack[0], $stack[2]);
            break;
    }
    //Remove the first 3 elements from the stack as they have been processed
    $stack = array_slice($stack, 3);
    //Add the current answer total to the beginning of the array for any further processes
    array_unshift($stack, $answer);
Пример #6
0
function test()
{
    $a = 23;
    global $a;
    //define global scope first
    echo $a . "</br>";
    /* reference to local scope variable */
}
test();
function addition($two, $one)
{
    // static $two = 3;
    // static $one = 5;
    echo $two * $one . "</br>";
}
addition(3, 15);
/*----------------------------------
     S U  P E R   G L O B A L S

     $GLOBALS
     $_SERVER
     $_GET
     $_POST
     $_SESSION

     Next we have a CLASS example with
     setter and getter for prop values
    ------------------------------------*/
/*----------------------------------
    P R O P   S C O P E S
Пример #7
0
    echo $greeting . ", " . $target . $punct . "<br />";
    return true;
}
say_hello3("Greetings", $name, "!");
?>
<br />
<?php 
function addition($val1, $val2)
{
    $sum = $val1 + $val2;
    return $sum;
}
$new_val = addition(3, 4);
echo $new_val;
echo "<br />";
$new_val2 = addition(5, 6) == 11;
echo "yes";
echo "<br />";
function add_subt($val1, $val2)
{
    $add = $val1 + $val2;
    $subt = $val1 - $val2;
    $result = array($add, $subt);
    return $result;
}
$result_array = add_subt(10, 5);
echo "Add: " . $result_array[0];
echo "<br />";
echo "Subt: " . $result_array[1];
?>
</body>
Пример #8
0
function sayName3($greeting, $target, $punct)
{
    echo $greeting . ", " . $target . $punct . "!";
}
sayName3("Good evening", $name, "!");
?>
        <!-- returning a value from a function -->
        <br>
        <?php 
function addition($var1, $var2)
{
    $sum = $var1 + $var2;
    return $sum;
}
// assigning the value to a variable
$value = addition(1, 2);
echo $value;
?>
          <!-- returning two values using an array -->
          <br>
          <?php 
function add_sub($var1, $var2)
{
    $add = $var1 + $var2;
    $sub = $var1 - $var2;
    // <!-- inserting the values in an array -->
    $result = array($add, $sub);
    return $result;
}
$addsub_array = add_sub(10, 8);
echo "Addition: " . $addsub_array[0] . "<br>";