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duplicates.php
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duplicates.php
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<p>Enter 5 random numbers.</p>
<form action="" method="POST">
<input type="text" name="value0">
<input type="text" name="value1">
<input type="text" name="value2">
<input type="text" name="value3">
<input type="text" name="value4">
<button type="submit" name="submit">Send</button>
</form>
</body>
</html>
//This Program finds the unique elements in an array and outputs them.
<?php
// put the values taken from the user and put them in variables.
$firstValue = $_POST['value0'];
$secondValue = $_POST['value1'];
$thirdValue = $_POST['value2'];
$fourthValue = $_POST['value3'];
$fifthValue = $_POST['value4'];
//put the varibales into an array and assign the array into a value.
$arr = array("$firstValue","$secondValue","$thirdValue","$fourthValue","$fifthValue");
// create an isset if statement to run the function if and only if the submit button is clicked by the user
if (isset($_POST['submit'])) {
//create a function that that counts the number of times an element occurs in an array
function uniqueValues($arr){
//put that count into a variable
$counts = array_count_values($arr);
foreach ($counts as $value => $count) {
//print all elements which have a count of 1.
if ($count == 1) {
$uniques[] = $value;
} else {
$duplicates[] = $value;
}
}
echo "<p>Your array was " . $arr[0] . " " . $arr[1] . " " . $arr[2] . " " . $arr[3] . " " . $arr[4] . "</p>";
echo " <p>And your unique values are:</p> " , implode(", ", $uniques) , "\n";
// echo "duplicate values: " , implode(", ", $duplicates);
}
uniqueValues($arr);
}
?>