$temp = 'v' . (string) ($cnt - 1);
if ($turn > $cnt1 + 1) {
echo "<td align='center'>";
echo $viterbi_matrix[($cnt - 1) * sizeof($words) + $cnt1];
echo "</td>";
$cnt1 = $cnt1 + 1;
} else {
if ($turn == $cnt1 + 1) {
if ($flag == 1) {
$prob1 = $viterbi[$cnt - 1];
$prob2 = $viterbi_matrix[($cnt - 1) * sizeof($words) + $cnt1];
try {
//$prob1_f=(float)$prob1;
//$prob2_f=(float)$prob2;
$prob1_f = calculator($prob1);
$prob2_f = calculator($prob2);
} catch (Exception $e) {
$flag_chk = 1;
}
$prob1_f = (string) round($prob1_f, 3);
$prob2_f = (string) round($prob2_f, 3);
$tmp = 1;
if (preg_match("/[^0-9\\ \\.\\(\\)\\+\\-\\*\\/]/", $prob1) == 1) {
$tmp = 0;
}
//if($prob1_f!=$prob2_f or ctype_alpha($prob1) or strlen($prob1)==0)
if ($prob1_f != $prob2_f or $tmp == 0 or strlen($prob1) == 0) {
$flag_chk = 1;
}
}
if ($flag == 0) {
<html>
<?php
if (isset($_GET['fvalue']) && isset($_GET['lvalue']) && isset($_GET['operator'])) {
$result = calculator($_GET['fvalue'], $_GET['lvalue'], $_GET['operator']);
echo $result;
}
function calculator($fvalue, $lvalue, $operator)
{
if ($operator == "+") {
$result = $fvalue + $lvalue;
//return $result;
} elseif ($operator == "-") {
$result = $fvalue - $lvalue;
//return $result;
} elseif ($operator == "*") {
$result = $fvalue * $lvalue;
} elseif ($operator == "/" && $_GET['lvalue'] != 0) {
$result = $fvalue / $lvalue;
//return $result;
} elseif ($lvalue == 0 && $operator == "/") {
echo "Last value can not be zero";
} else {
echo "Invalid";
}
return $result;
}
?>
<body>
<form action="calculator_with_function.php" method="get" align="center">
First Value: <input type="text" name="fvalue"><br><br>
Last Value :<input type="text" name="lvalue"><br><br>
<form method="post" action="index.php">
<input type="text" name="string" placeholder="введите выражение"><br/><br/>
<input type="submit" name="send" value="подсчитать">
</form>
<?php
$str = trim($_POST['string']);
$button = $_POST['send'];
if (empty($button)) {
return FALSE;
} else {
function calculator($str)
{
$str = preg_replace("/[^0-9+\\-.*\\/]/", "", $str);
if ($str == "") {
$res = "строка не должна быть пустой";
} else {
eval("\$res=" . $str . ";");
}
return $res;
}
echo "Ваш ответ: " . calculator($str);
}
<?php
/**
* Created by PhpStorm.
* User: trener - Mateusz Marmolowski
* Date: 05.10.15
*/
echo calculator(10, '+', 5);
// wynik 15
echo calculator(10, '-', 5);
// wynik 5
echo calculator(10, '*', 5);
// wynik 50
echo calculator(10, '/', 5);
// wynik 2
function calculator($a, $operation, $b)
{
// ZADANIE - napisz cialo funkcji calculator ktora przyjmuje 3 argumenty i zwraca wynik operacji
// .........
// ........
// .........
}
function calculator()
{
$operand1 = 20;
$operand2 = 10;
//$operator="+";
//$operator="-";
//$operator="*";
//$operator="/";
$operator = "%";
if ($operator == "+") {
$res = $operand1 + $operand2;
echo "Addition is ", $res;
} elseif ($operator == "-") {
$res = $operand1 - $operand2;
echo "Subtraction is ", $res;
} elseif ($operator == "*") {
$res = $operand1 * $operand2;
echo "Multiplication is ", $res;
} elseif ($operator == "/") {
$res = $operand1 / $operand2;
echo "Division is ", $res;
} elseif ($operator == "%") {
$res = $operand1 % $operand2;
echo "Modulus is ", $res;
} else {
echo "Invalid";
}
}
calculator();
<form method="post" action="index.php">
<input type="text" name="string" ><br/><br/>
<input type="submit" name="send" value="count">
</form>
<?php
$str = trim($_POST['string']);
$button = isset($_POST['send']);
if ($button == TRUE) {
echo "Your Answer: " . calculator($str);
}
function calculator($str)
{
$str = preg_replace("/[^0-9+\\-.*\\/]/", "", $str);
if ($str == "") {
$res = "line should not be empty";
} else {
eval("\$res=" . $str . ";");
}
return $res;
}
<input type="number" name="number1" placeholder= "Enter your first number"/> </br> </br>
<input type="number" name="number2"placeholder= "Enter your second number"/> </br> </br>
<input type = "text" name = "operator" placeholder= "+ or - or * or / or % "/> </br> </br>
<button type="submit">submit</button>
</form>
<?php
// NORMAL CALCULATOR SOTUTION using function
$result = "";
include "C:/xampp/htdocs/Training/PHP/functions.php";
if (isset($_GET['number1']) && isset($_GET['number2'])) {
$number1 = $_GET['number1'];
$number2 = $_GET['number2'];
$operator = $_GET['operator'];
$result = calculator($number1, $number2, $operator);
// echo $result;(function er vitor echo kora ache, tai echo korte hoche na ekhane )
}
?>
</div>
</div>
</div>
</div>
<?php
/* function calculator($number1,$number2, $operator) {
if($operator == "+")
{
$result = $number1 + $number2;
echo "Result of addition is ".$result;
<html>
<?php
if (isset($_GET['fvalue']) && isset($_GET['lvalue']) && isset($_GET['operator'])) {
$fvalue = $_GET['fvalue'];
$lvalue = $_GET['lvalue'];
$operator = $_GET['operator'];
$result = calculator($fvalue, $lvalue, $operator);
echo $result;
}
function calculator($fvalue, $lvalue, $operator)
{
if ($operator == "+") {
$res = $fvalue + $lvalue;
return $res;
} elseif ($operator == "-") {
$sub = $fvalue - $lvalue;
return $sub;
} elseif ($operator == "*") {
$mul = $fvalue * $lvalue;
return $mul;
} elseif ($operator == "/" && $_GET['lvalue'] != 0) {
$div = $fvalue / $lvalue;
return $div;
} elseif ($lvalue == 0 && $operator == "/") {
echo "Last value can not be zero";
} else {
echo "Invalid";
}
//calculator();
}
?>
<?php
header("Content-Type: text/plain");
include 'calculator.php';
if (isset($_GET['expr'])) {
echo calculator($_GET['expr']);
}
<?php
include "C:/xampp/htdocs/training/php/OOP/myFunction/function.php";
include "C:/xampp/htdocs/training/php/OOP/myFunction/stack_oop.php";
include "C:/xampp/htdocs/training/php/OOP/myFunction/explode_functions.php";
$expression = "4 65 - 3 71 - +";
$exparr = explode(" ", $expression);
/*echo "<pre>";
print_r($exparr);
echo "</pre>";*/
$myStack = new Stack();
foreach ($exparr as $operator) {
$temp = intval($operator);
if ($temp) {
$myStack->push($temp);
/* echo "<pre>";
print_r($myStack);
echo "</pre>"; */
} else {
$op2 = $myStack->pop();
$op1 = $myStack->pop();
//echo "<br>",$op1," ",$op2," ",$operator,"<br>";
$result = calculator($op1, $op2, $operator);
//echo $result;
$myStack->push($result);
}
}
echo "my result is :", $myStack->pop();
echo "<pre>";
print_r($expArray);
echo "</pre>";
$myStack = new Stack();
foreach ($expArray as $op) {
$temp = intval($op);
if ($temp) {
$myStack->push($temp);
echo "<pre>";
print_r($myStack);
echo "</pre>";
} else {
$op2 = $myStack->pop();
$op1 = $myStack->pop();
echo "<br>", $op1, " ", $op2, " ", $op, "<br>";
$result = calculator($op1, $op2, $op);
echo "<br>", $result, "<br>";
$myStack->push($result);
echo "<pre>";
print_r($myStack);
echo "</pre>";
}
}
echo "Result is: ", $myStack->pop();
}
?>
<form action="polish_notation.php" method="post">
Enter an expression:
<input type="text" name="exp">
<br>
<?php
function calculator($a, $operator, $b)
{
if ($operator == "+") {
echo $a + $b;
} elseif ($operator == "-") {
echo $a - $b;
} elseif ($operator == "*") {
echo $a * $b;
} elseif ($operator == "/") {
if ($b == 0) {
echo "You can't divide by zero";
}
echo $a / $b;
}
}
calculator(15, "/", 3);
if ($btn == '*') {
$result = $first_number * $second_number;
} else {
if ($btn == '/') {
$result = $first_number / $second_number;
} else {
if ($btn == '%') {
$result = $first_number % $second_number;
}
}
}
}
}
return $result;
}
$show = calculator($first_number, $second_number, $btn);
?>
<html>
<head>
<title>Function Calculator</title>
</head>
<body>
<form action="#" method="POST">
<table>
<tr>
<td>First Number</td>
<td><input type="number" name="first_number"></td>
</tr>
<?php
require_once './function.php';
if (isset($_POST['submit_btn'])) {
$first_number = $_POST['first_number'];
$second_number = $_POST['second_number'];
$btn = $_POST['submit_btn'];
$result = calculator($first_number, $second_number, $btn);
}
?>
<html>
<head></head>
<body>
<form action="#" method="post">
<table>
<tr>
<td>First Number</td>
<td><input type="text" name="first_number"</td>
</tr>
<tr>
<td>Second Number</td>
<td><input type="text" name="second_number"</td>
</tr>
<tr>
<td>Result</td>
<td><input type="text" value="<?php
if (isset($result)) {
echo $result;
}
?>
"</td>
<?php
$result = "";
include "C:/xampp/htdocs/training/php/phpForms/myFunctions/functions.php";
echo $_SERVER["PHP_SELF"];
if (isset($_GET["operand1"]) && isset($_GET["operand2"]) && isset($_GET["operator"])) {
$result = calculator($_GET["operator"], $_GET["operand1"], $_GET["operand2"]);
}
?>
<html>
<form action="add.php" method="get">
<input type="text" name="operand1" />
<input type="text" name="operand2" />
<input type="text" name="operator" />
<button type="submit">Calculate</button>
</form>
<div> Sum: <?php
echo $result;
?>
</div>
</html>
function cac_pre($s)
{
global $func, $pi;
$pi = '3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117067982148086513282306647093844609550582231725359408128';
$func = array('radians', 'degrees', 'root', 'abs', 'avedev', 'count', 'analyze', 'average', 'stdevp', 'stdev', 'round', 'floor', 'ceil', 'sqrt', 'log', 'sum', 'pow', 'exp', 'mod', 'sin', 'cos', 'tan', 'cot', 'sec', 'csc', 'ln', 'c');
$func_s = array('radians', 'degrees', 'analyze', 'round', 'floor', 'ceil', 'sqrt', 'log', 'exp', 'sin', 'cos', 'tan', 'cot', 'sec', 'csc', 'ln');
if ($s == '') {
return 0;
}
$m = $_POST['calculator'];
if ($m == '') {
$m = 'x';
}
$m = strtolower($m);
$m = str_replace('x', '(' . $s . ')', $m);
$m = str_replace('((' . $s . '))', '(' . $s . ')', $m);
$m = preg_replace('/(\\d)\\s+(-?)(\\d)/', '\\1,\\2\\3', $m);
$m = preg_replace('/(\\d)\\s+(-?)(\\d)/', '\\1,\\2\\3', $m);
//Dont delete!
$m = preg_replace('/\\(\\s+(-?)(\\d)/', '(\\1\\2', $m);
$m = preg_replace('/(\\d)\\s+\\)/', '\\1)', $m);
$m = preg_replace('/\\s/', '', $m);
$m = preg_replace('/(\\d)\\.(\\D)/', '\\1.0\\2', $m);
$m = preg_replace('/pi/i', '(' . $pi . ')', $m);
if (ereg('[<>]', $m)) {
addmsg(ERR, 'Wrong input');
return $s;
}
$f = 0;
for ($i = 0; $i < strlen($m); ++$i) {
if (substr($m, $i, 1) == '(') {
++$f;
} elseif (substr($m, $i, 1) == ')') {
$f--;
}
if ($f < 0) {
addmsg(ERR, 'Wrong parentheses order');
return $s;
}
}
if ($f > 0) {
addmsg(ERR, 'Lone parenthesis');
return $s;
}
$f = 0;
$p = 0;
$t = '';
$temp = array();
for ($i = 0; $i < strlen($m); ++$i) {
$e = substr($m, $i, 1);
if ($e == '|') {
if ($f == 0) {
$t .= '{';
$f = 1;
} else {
$t .= '}';
$f = 0;
}
} else {
$t .= $e;
if ($e == '(') {
array_push($temp, $f);
$f = 0;
} elseif ($e == ')') {
if ($f == 1) {
addmsg(ERR, 'Wrong |');
break;
}
$f = array_pop($temp);
}
}
}
$m = $t;
$m = preg_replace('/(-?\\d+(\\.\\d)?\\d*(e\\+\\d|e-\\d|e)?\\d*)/', '<\\1>', $m);
$m = preg_replace('/([)}!>])<-/', '\\1-<', $m);
$m = preg_replace('/([*\\/])-/', '\\1<-1>*', $m);
$m = preg_replace('/([>)}!])([<({])/', '\\1*\\2', $m);
while (preg_match('/(\\+-|--|-\\+|\\+\\+)/', $m)) {
$m = str_replace('+-', '-', $m);
$m = str_replace('-+', '-', $m);
$m = str_replace('++', '+', $m);
$m = str_replace('--', '+', $m);
}
if (preg_match('/[+\\-*\\/\\^%,]{2,}/', $m)) {
addmsg(ERR, 'Wrong operator');
}
for ($i = 0; $i < count($func); ++$i) {
$m = preg_replace('/([!)>}])' . $func[$i] . '/', '\\1*' . $func[$i], $m);
}
for ($i = 0; $i < count($func_s); ++$i) {
$m = preg_replace('/' . $func_s[$i] . '(<[^>]*>)/', $func_s[$i] . '(\\1)', $m);
}
$t = $m;
for ($i = 0; $i < count($func); ++$i) {
$t = str_replace($func[$i] . '(', '', $t);
}
$t = preg_replace('/<[^>]*>/i', '', $t);
$t = preg_replace('/[,()+\\^\\-*\\/!{}\\[\\]%]/', '', $t);
if (strlen($t) > 0) {
addmsg(ERR, 'Invalid input', 1);
}
$m = calculator('(' . $m . ')');
$m = substr($m, 1, strlen($m) - 2);
$m = preg_replace('/\\.0+$/', '', $m);
$m = preg_replace('/\\.(.*[^0])0+$/', '.\\1', $m);
return $m;
}
