<?php
function add($a, $b)
{
return $a + $b;
}
function subtract($a, $b)
{
return $a - $b;
}
function multiply($a, $b)
{
return $a * $b;
// Add code here
}
function divide($a, $b)
{
return $a / $b;
}
// Add code to test your functions here
echo add(4, 5);
echo subtract(18, 9);
echo multiply(3, 3);
echo divide(18, 3);
function multiply($x, $y)
{
if ($y == 1) {
return $x;
}
return $x + multiply($x, $y - 1);
}
function multiply($n, $m)
{
if ($m == 1) {
return $n;
}
return $n + multiply($n, $m - 1);
}
function promptDivide()
{
$a = prompt("Enter a number (a) that you'd like to divide:");
$b = prompt("Enter a number (b) that you'd like to divide by:");
$c = prompt("Enter a number (c) that you'd like to multiply by:");
return Attempt::call('divide', array($a, $b))->map(function ($elem) use($c) {
return multiply($elem, $c);
});
}
function mathOperation($arg1, $arg2, $operation)
{
switch ($operation) {
case 'add':
echo adding($arg1, $arg2);
break;
case 'substract':
echo substracting($arg1, $arg2);
break;
case 'multiply':
echo multiply($arg1, $arg2);
break;
case 'divide':
echo divide($arg1, $arg2);
break;
default:
echo "Вы не корректно определили параметры!";
break;
}
}
<?php
/*this is an example on global variable*/
$x = 5;
$y = 10;
function multiply($x, $y)
{
echo $GLOBALS['x'] * $y;
}
multiply(3, 3);
//Output: 15
<?php
// multiplicar un valor por diez y retornarlo al invocador
function multiply($value)
{
$value = $value * 10;
return $value;
}
$retval = multiply(10);
print "Return value is {$retval}\n";
?>
<?php
function multiply($a, $b)
{
$a * ($b = $c);
return $c;
}
$newNumber = multiply(5, 6);
echo $newNumber;
echo "hello";
?>
<h1> Hello </h1>
} else {
echo "ERROR: Cannot divide by 0\n";
}
}
}
function modulus($a, $b)
{
$error = errorCheck($a, $b);
if ($error) {
if ($a != 0 && $b != 0) {
return $a % $b;
} else {
echo "ERROR: Cannot divide by 0\n";
}
}
}
function errorCheck($a, $b)
{
if (!is_numeric($a) || !is_numeric($b)) {
echo "ERROR: Both arguments must be numbers\n";
return false;
} else {
return true;
}
}
// Add code to test your functions here
echo add(10, 2) . PHP_EOL;
echo subtract(10, 2) . PHP_EOL;
echo multiply(10, 2) . PHP_EOL;
echo divide(10, 2) . PHP_EOL;
echo modulus(10, 2) . PHP_EOL;
<?php
$result = 0;
if (isset($_GET["multiply_numbers"])) {
$result = multiply($_GET["var_one"], $_GET["var_two"]);
}
function multiply($x, $y)
{
$answer = $x * $y;
return $answer;
}
?>
<form method="get" >
<input name="var_one"> * <input name="var_two">
<input name="multiply_numbers" type="submit">
<form>
<p>Answer is <?php
echo $result;
?>
</p>
<?php
$array = array(2, 4, 10, 16);
function multiply($array, $num)
{
$result = array();
foreach ($array as $key) {
$product = $key * $num;
array_push($result, $product);
}
var_dump($result);
}
multiply($array, 5);
<?php echo '<h1>De uitkomst van de vermenigvuldiging:</h1> <h2>' . $valA . ' x ' . $valB . ' = ' . multiply($valA, $valB) . '</h2>';
{
if ($b == 0) {
return 'ERROR: You are trying to destroy us all! ' . $a . ' ' . $b;
}
// $isValid = errorMessage($a, $b);
if (validate($a, $b)) {
return $a / $b;
}
// } else {
// return $isValid;
// }
}
function modulus($a, $b)
{
if ($b == 0) {
return 'ERROR: You are trying to destroy us all! ' . $a . ' ' . $b;
}
// $isValid = errorMessage($a, $b);
if (validate($a, $b)) {
return $a % $b;
}
// } else {
// return $isValid;
// }
}
echo add(9, "notNumeric") . PHP_EOL;
echo subtract(9, 3) . PHP_EOL;
echo multiply(9, 3) . PHP_EOL;
echo divide(9, 0) . PHP_EOL;
echo modulus(9, 3) . PHP_EOL;
// Add code to test your functions here
/*
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, $answer);
}
function addition($val1, $val2)
{
return $val1 + $val2;
}
function subtract($val1, $val2)
<?php
$A = array(2, 4, 10, 16);
//$n = 0;
function multiply($A, $n)
{
$B = array();
foreach ($A as $values) {
$B[] = $values * $n;
}
var_dump($B);
}
multiply($A, 5);
<?php
function add($a, $b)
{
return $a + $b;
}
function subtract($a, $b)
{
return $a - $b;
}
function multiply($a, $b)
{
$tot = 0;
for ($i = 0; $i < $a; $i++) {
$tot += $b;
}
return $tot;
}
function divide($a, $b)
{
return $a / $b;
}
echo "add: " . add(6, 4) . PHP_EOL;
echo "sub: " . subtract(12, 2) . PHP_EOL;
echo "mul: " . multiply(5, 2) . PHP_EOL;
echo "div: " . divide(20, 2) . PHP_EOL;
if ($primeCheck == 0) {
return FALSE;
}
}
return TRUE;
}
function highestMultiplePrimes($primes, $max)
{
foreach ($primes as $prime) {
$int = $prime;
while ($int + $prime <= $max) {
$int = $int + $prime;
}
$numbers[] = $int;
}
$numbers = array_unique($numbers);
return $numbers;
}
function multiply($numbers)
{
$result = 1;
foreach ($numbers as $number) {
$result = $result * $number;
}
return $result;
}
$max = 20;
$primes = getPrimes($max);
$numbers = highestMultiplePrimes($primes, $max);
$result = multiply($numbers);
print "{$result}";
require_once 'include/TinyAjax.php';
// Refactor and calculate everything here (AJAX-callback and POST)
function multiply($x, $y)
{
return $x * $y;
}
// Some default-values (but call multiply() to calculate default-result
$number1 = 2;
$number2 = 3;
$result = multiply($number1, $number2);
// If we have a post then get new numbers and calculate result
if (!empty($_POST['number1']) && !empty($_POST['number2'])) {
$number1 = $_POST['number1'];
$number2 = $_POST['number2'];
$result = multiply($number1, $number2);
}
// Ajax-code
$ajax = new TinyAjax();
$ajax->exportFunction("multiply", array("number1", "number2"), "#result");
$ajax->process();
?>
<html>
<head>
<title>TinyAjax-calculator</title>
<?php
$ajax->drawJavaScript(false, true);
?>
</head>
<?php
function multiply($firstPicture, $twoPicture, $x, $y)
{
$img = new Imagick($firstPicture);
$img->thumbnailImage(140, 140);
$shadow = $img->clone();
$shadow->setImageBackgroundColor(new ImagickPixel('black'));
//color shadow
$shadow->shadowImage(80, 3, 5, 5);
//create shadow
$shadow->compositeImage($img, Imagick::COMPOSITE_OVER, 0, 0);
header("Content-Type: image/jpeg");
$img2 = new Imagick($twoPicture);
$img2->compositeImage($shadow, $shadow->getImageCompose(), $x, $y);
echo $img2;
}
multiply($firstPicture = 'source.png', $twoPicture = 'good.jpg', $x = 166, $y = 295);
}
function subtract($a, $b, $order = true)
{
return ($order ? $a - $b : $b - $a) . PHP_EOL;
}
function multiply($a, $b)
{
return $a * $b . PHP_EOL;
}
function divide($a, $b, $order = true)
{
return ($order ? $a / $b : $b / $a) . PHP_EOL;
}
echo subtract(10, 5, false);
echo add(10, 5);
echo multiply(10, 5);
echo divide(10, 5, false);
?>
</section>
<section id="exercise6">
<h3>Exercise 6</h3>
<p>Create a function which can accept any number of integer arguments and which returns their sum.</p>
<?php
function sum()
{
$sum = 0;
if (func_num_args() > 0) {
//check number of args supplied
foreach (func_get_args() as $arg) {
}
}
function modulus($a, $b)
{
$isValid = validate($a, $b);
if ($b == 0) {
return "Error: We can't modulus by zero.";
}
if ($isValid === true) {
return $a % $b;
} else {
return $isValid;
}
}
function multbyadd($a, $b)
{
$sum = 0;
for ($i = 0; $i < $b; $i++) {
$sum = $sum + $a;
}
return $sum;
// above works. or i=1; i<=b.
}
echo add("a", 7) . PHP_EOL;
echo subtract("a", 7) . PHP_EOL;
echo multiply("a", 7) . PHP_EOL;
echo multiply(2, 7) . PHP_EOL;
echo divide(2, 0) . PHP_EOL;
echo divide(2, 7) . PHP_EOL;
echo modulus(2, 7) . PHP_EOL;
echo multbyadd(2, 7) . PHP_EOL;
/**
* Computes the product of an array of numbers.
* ```php
* product([1, 2, 3, 4]) // 24
* product([]) // 1
* ```
*
* @signature [Number] -> Number
* @param array $numbers
* @return int|float
*/
function product()
{
return apply(curry(function ($numbers) {
return reduce(multiply(), 1, $numbers);
}), func_get_args());
}
<?php
require_once "Function.php";
$DEFUALT_HEADER = 'defualt';
printHeader();
printHeader('Header');
echo "<br/>";
echo "Page 2";
printFooter();
htmllink('Google', 'https://www.google.bg/');
$number = 12;
$multiplier = 3;
multiply($number, $multiplier);
echo "{$number} <br/>";
multiply($number, $multiplier);
echo "{$number}<br/>";
proba();
proba();
proba();
proba();
proba();
return $a % $b;
} else {
throwErrorMessage($a, $b, true);
}
}
function throwErrorMessage($a, $b, $zero = false)
{
if ($zero) {
echo "{$a} and {$b} must be numeric and the second number can not be 0.\n";
} else {
echo "{$a} and {$b} must be numeric.\n";
}
}
// Add code to test your functions here
$a = 10;
$b = 5;
echo "Addition: ";
echo add($a, $b);
echo PHP_EOL;
echo "Subtraction: ";
echo subtract($a, $b);
echo PHP_EOL;
echo "Multiplication: ";
echo multiply($a, $b);
echo PHP_EOL;
echo "Division: ";
echo divide($a, $b);
echo PHP_EOL;
echo "Modulus: ";
echo modulus($a, $b);
echo PHP_EOL;
}
function divide($a, $b)
{
if ($b == 0) {
return "Error: You cannot divide by 0\n";
} elseif (is_numeric($a) && is_numeric($b)) {
return $a / $b;
} else {
return errorMessage($a, $b);
}
}
function modulus($a, $b)
{
if (b == 0) {
return "Error: You cannot divide by 0\n";
} elseif (is_numeric($a) && is_numeric($b)) {
return $a % $b;
} else {
return errorMessage($a, $b);
}
}
function errorMessage($a, $b)
{
return 'ERROR: Please input only numbers for $a is ' . $a . ' and $b is ' . $b . PHP_EOL;
}
// Add code to test your functions here
echo add($a, $b) . PHP_EOL;
echo subtract($a, $b) . PHP_EOL;
echo multiply($a, $b) . PHP_EOL;
echo divide($a, 0) . PHP_EOL;
echo modulus($a, $b) . PHP_EOL;
<?php
$equate = "";
$calculate = urldecode($_POST['equate']);
$func = $_POST['func'];
if (isset($func)) {
switch ($func) {
case "add":
$response = add($calculate);
return json_encode($response);
break;
case "subtract":
$response = subtract($calculate);
return json_encode($response);
break;
case "multiply":
$response = multiply($calculate);
return json_encode($response);
break;
case "divide":
$response = divide($calculate);
return json_encode($response);
break;
}
}
function add($calculate)
{
$addItems = $calculate;
$piece = explode(" ", $addItems);
foreach ($piece as $pieces) {
if ($pieces == "plus") {
continue;
$answer = $x / $y;
return $answer;
}
$result = 0;
$result = multiply(2, 5);
var_dump($result);
$result = divide(10, 3);
var_dump($result);
$multiply_result = $divide_result = 0;
if (isset($_GET["operator"])) {
echo $_GET["operator"];
//kontrollin millega operator võrdub
// == "multiply" siis korrutan arvud > multiply(1,2)
if ($_GET["operator"] == "multiply") {
//aadressirealt 2 arvu ja saatsin funktsiooni
$multiply_result = multiply($_GET["number_one"], $_GET["number_two"]);
}
}
?>
<h1> Korruta </h1>
<form>
<input type="hidden" name="operator" value="multiply">
<input name="number_one" > X <input name="number_two" >
= <?php
echo $multiply_result;
?>
<input type="submit" >
</form>
<h1> Jaga </h1>
print("<table></table>");
30、下面哪个函数可以打开一个文件，以对文件进行读和写操作？(1分)(c)
(a) fget() (b) file_open() (c) fopen() (d) open_file()
31、下面哪个选项没有将 john 添加到users 数组中？ (1分) (b)(d)
(a) $users[] = ‘john’;
(b) array_add($users,’john’);
(c) array_push($users,‘john’);
(d) $users ||= ‘john’;
32、下面的程序会输入是否?(1分)
<?php
$num = 10;
function multiply()
{
$num = $num * 10;
}
multiply();
echo $num;
?>
否，局部变量
33、使用php写一段简单查询，查出所有姓名为“张三”的内容并打印出来 (2分)
表名User
Name Tel Content Date
张三 13333663366 大专毕业 2006-10-11
张三 13612312331 本科毕业 2006-10-15
张四 021-55665566 中专毕业 2006-10-15
请根据上面的题目完成代码：
$mysql_db=mysql_connect("local","root","pass");
@mysql_select_db("DB",$mysql_db);
$result=mysql_query("select * from User where Name='张三'");
while($row=mysql_fetch_array($result))
<?php
$a = 1;
# 传值
function multiply($param)
{
$param *= 2;
return $param;
}
echo 'Before function: a = ' . $a . "<br />";
echo multiply($a) . "<br />";
echo 'After function: a = ' . $a . "<br />";
# 传引用
function multiply2(&$param)
{
$param *= 2;
return $param;
}
echo 'Before function: a = ' . $a . "<br />";
echo multiply2($a) . "<br />";
echo 'After function: a = ' . $a . "<br />";
# 默认参数
function multiply3($param, $factor = 2)
{
$param *= $factor;
return $param;
}
$a = 1;
echo 'Before function: a = ' . $a . "<br />";
echo multiply3($a) . "<br />";
echo 'After function: a = ' . $a . "<br />";
echo "Стойността на променливата ha = {$ha}<br>";
if (multiply($a, $ha) <= 30) {
?>
<div id="green">
<?php
echo "Лицето на триъгълника е:(a x ha)/2 = " . multiply($a, $ha) . " " . "кв.см.";
}
?>
<br></div>
<?php
if (multiply($a, $ha) >= 31 && multiply($a, $ha) <= 60) {
?>
<div id="red">
<?php
echo "Лицето на триъгълника е:(a x ha)/2 = " . multiply($a, $ha) . " " . "кв.см.";
}
?>
<br></div>
<?php
if (multiply($a, $ha) >= 61) {
?>
<div id="blue">
<?php
echo "Лицето на триъгълника е:(a x ha)/2 = " . multiply($a, $ha) . " " . "кв.см.";
}
?>
</div>
</body>
</html>