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DennisRono · Jul 8, 2021 · 37c3dd8 · 37c3dd8
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diff --git a/arrays.php b/arrays.php
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<title>Arrays</title>
+</head>
+<body>
+	<?php
+		$brands = array("Toyota","Volkswagen","Subaru","Audi","Range Rover","Lexus","Chevrolet");
+		print_r($brands);
+
+
+		$brand[0] = "Toyota";
+		$brand[1] = "Volkswagen";
+		$brand[2] = "Subaru";
+		$brand[3] = "Audi";
+		$brand[4] = "Range Rover";
+		$brand[5] = "Lexus";
+		$brand[6] = "Chevrolet";
+
+		print_r($brand);
+
+		$grades = array("Mike"=>80, "Vincent"=>78, "Victor"=>75);
+		print_r($grades);
+
+
+		$contacts = array(
+			array("name"=>"Mike Chepkwonyi",
+				  "email"=>"[email protected]"),
+			array("name"=>"Vincent Sigei",
+				  "email"=>"[email protected]"),
+			array("name"=>"Victor Sirma",
+				  "email"=>"[email protected]")
+		);
+
+		echo "Mike Chepkwonyi's Email Id is: ". $contacts[0]["email"];
+	?>
+</body>
+</html>
diff --git a/den_functions/arithmetic.php b/den_functions/arithmetic.php
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<meta charset="utf-8">
+	<title>Arithmetic</title>
+</head>
+<body>
+	<?php
+		function getSum($num1, $num2){
+			$sum = $num1 + $num2;
+			$subtraction = $num1 - $num2;
+			$multiplication = $num1 * $num2;
+			$division = $num1 / $num2;
+			echo "The sum of $num1 and $num2 is: $sum <br>";
+			echo "The subtraction of $num1 and $num2 is: $subtraction <br>";
+			echo "The multiplication of $num1 and $num2 is: $multiplication <br>";
+			echo "The division of $num1 and $num2 is: $division <br>";
+		}
+
+		getSum(20, 30);
+	?>
+</body>
+</html>
diff --git a/den_functions/functionreturning.php b/den_functions/functionreturning.php
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<meta charset="utf-8">
+	<title>PHP Function returning values</title>
+</head>
+<body>
+<?php
+	//Defining a function
+
+	function getSum($num1, $num2){
+		$total = $num1 + $num2;
+		return $total;
+	}
+
+	//printing returned value
+	echo getSum(50, 100);
+?>
+</body>
+</html>
diff --git a/den_functions/payment.php b/den_functions/payment.php
@@ -0,0 +1,64 @@
+<?php
+function amortiazationTable($pNum, $periodicPayment, $balance, $monthlyInterest){
+	// Calculate payment interest
+	$paymentInterest = round($balance * $monthlyInterest, 2);
+
+	//Calculate payment principal
+	$paymentPrincipal = round($periodicPayment - $paymentInterest, 2);
+
+	//Deduct principal from the remaining balance
+	$newBalance = round($balance - $paymentPrincipal, 2);
+
+	//If new balance < Monthly payment, set to zero
+	if($newBalance < $paymentPrincipal){
+		$newBalance = 0;
+	}
+
+	printf("<tr><td>%s</td>", $pNum);
+	printf("<tr><td>%s</td>", number_format($newBalance, 2));
+	printf("<tr><td>%s</td>", number_format($periodicPayment, 2));
+	printf("<tr><td>%s</td>", number_format($paymentPrincipal, 2));
+	printf("<tr><td>%s</td>", number_format($paymentInterest, 2));
+
+	#if balance not yet zero, recursively call amortizationTable()
+	if($newBalance > 0){
+		$pNum++;
+		amortiazationTable($pNum, $periodicPayment, $newBalance, $monthlyInterest);
+	} else {
+		return 0;
+	}
+}
+
+//Loan balance
+$balance = 6000000.00;
+//Loan interest rate
+$interestRate = 0.0575;
+//Monthly interest rate
+$monthlyInterest = $interestRate/12;
+//Term length of the loan, in Years
+$termLength = 5;
+//Number of payments per year
+$paymentsPerYear = 12;
+//Payments iteration
+$paymentNumber = 1;
+//Determine total number payments
+$totalPayments = $termLength * $paymentsPerYear;
+//Determine interst component of periodic payments
+$intCalc = 1+$interestRate/$paymentsPerYear;
+//Determine periodic payment
+$periodicPayment = $balance * pow($intCalc, $totalPayments)*($intCalc-1)/(pow($intCalc,$totalPayments)-1);
+//Round periodic payments to two decimal places
+$periodicPayment = round($periodicPayment, 2);
+
+//Create table
+echo "<table width='50%' align='center' border='1'>";
+echo "<tr>
+<th>Payment Number</th><th>Balance</th>
+<th>Payment</th><th>Principal</th><th>Interest</th>
+</tr>";
+
+//call recursive function
+amortiazationTable($paymentNumber, $periodicPayment, $balance, $monthlyInterest);
+//close table
+echo '</table>';
+?>
diff --git a/den_functions/reuturningArrayofFunctions.php b/den_functions/reuturningArrayofFunctions.php
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<meta charset="utf-8">
+	<title>PHP Returning Array with Functions</title>
+</head>
+<body>
+<?php
+	function divideNumbers($dividend, $divisor){
+		$quotient = $dividend/$divisor;
+		$array = array($dividend, $divisor, $quotient);
+		return $array;
+	}
+
+	//assign Variables as if they were an array
+
+	list($dividend, $divisor, $quotient) = divideNumbers(10, 2);
+	echo $dividend."<br>";
+	echo $divisor."<br>";
+	echo $quotient."<br>";
+?>
+</body>
+</html>
diff --git a/den_functions/t.php b/den_functions/t.php
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta charset="utf-8">
+	<title>PHP Functions</title>
+</head>
+<body>
+	<?php
+		//Defining a function
+	function leo(){
+		echo "Today is" .date('l', mktime());
+	}
+	//calling of a function
+	leo();
+	?>
+</body>
+</html>
diff --git a/derekbanas.php b/derekbanas.php
@@ -0,0 +1,2 @@
+<?php
+echo PHP_PEAR_SYSCONF_DIR;
diff --git a/echo.php b/echo.php
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<title>use of echo statement</title>
+</head>
+<body>
+<h1>
+<?php echo "world safari rally championship was hold in naivasha kenya"; ?>
+</h1>
+<h2>
+<?php echo "world safari rally championship was hold in naivasha kenya"; ?>
+</h2>
+<h3>
+<?php echo "world safari rally championship was hold in naivasha kenya"; ?>
+</h3>
+<h4>
+<?php echo "world safari rally championship was hold in naivasha kenya"; ?>
+</h4>
+<h5>
+<?php echo "world safari rally championship was hold in naivasha kenya"; ?>
+</h5>
+<h6>
+<?php echo "world safari rally championship was hold in naivasha kenya"; ?>
+</h6>
+/* this is a comment */
+</body>
+</html>
diff --git a/get.php b/get.php
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Example of PHP GET method</title>
+</head>
+<body>
+    <?php
+        if (isset($_GET['name'])){
+            echo "<p>Hi, ".$_GET['name']."</p>";
+            echo "<p>Your username is , ".$_GET['username']."</p>";
+            echo "<p>Your Email is, ".$_GET['email']."</p>";
+            echo "<p>You are , ".$_GET['age']." years old.</p>";
+        }
+
+    ?>
+    <form action="<?php echo $_SERVER["PHP_SELF"]; ?>" method="get">
+        <label for="inputName">Name:</label>
+        <input type="text" name="name" id="inputName">
+        <br><br>
+        <!-- username, email and age -->
+        <label for="inputUsername">Username:</label>
+        <input type="text" name="username" id="inputUsername">
+        <br><br>
+        <label for="inputEmail">Email:</label>
+        <input type="email" name="email" id="inputEmail">
+        <br><br>
+        <label for="inputAge">Age:</label>
+        <input type="text" name="age" id="inputAge">
+        <br><br>
+        <input type="submit" Value="Submit">
+    </form>
+</body>
+</html>
diff --git a/ifstatement.php b/ifstatement.php
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<title>Strings</title>
+</head>
+<body>
+	<?php
+		$t = date("H");
+		if($t>"20"){
+			echo "Have a good day";
+		} else {
+			echo "Have a good night";
+		}
+
+		$d = date("M");
+		if($d == "Mon"){
+			echo "Time and Day to got to work";
+		} else if($d == "SAT") {
+			echo "Enjoy your Weekend";
+		} else {
+			echo "Have a nice day";
+		}
+	?>
+</body>
+</html>
diff --git a/loan1.php b/loan1.php
@@ -0,0 +1,60 @@
+<?php
+function amortizationTable($pNum, $periodicPayment, $balance, $monthlyInterest)
+{
+// Calculate payment interest
+$paymentInterest = round($balance * $monthlyInterest, 2);
+// Calculate payment principal
+$paymentPrincipal = round($periodicPayment - $paymentInterest, 2);
+// Deduct principal from remaining balance
+$newBalance = round($balance - $paymentPrincipal, 2);
+// If new balance < monthly payment, set to zero
+if ($newBalance < $paymentPrincipal) {
+$newBalance = 0;
+}
+printf("<tr><td>%d</td>", $pNum);
+printf("<td>$%s</td>", number_format($newBalance, 2));
+printf("<td>$%s</td>", number_format($periodicPayment, 2));
+printf("<td>$%s</td>", number_format($paymentPrincipal, 2));
+printf("<td>$%s</td></tr>", number_format($paymentInterest, 2));
+# If balance not yet zero, recursively call amortizationTable()
+if ($newBalance > 0) {
+$pNum++;
+amortizationTable($pNum, $periodicPayment,
+$newBalance, $monthlyInterest);
+} else {
+return 0;
+}
+}
+// Loan balance
+$balance = 6000000.00;
+// Loan interest rate
+$interestRate = .0575;
+// Monthly interest rate
+$monthlyInterest = $interestRate / 12;
+// Term length of the loan, in years.
+$termLength = 5;
+// Number of payments per year.
+$paymentsPerYear = 12;
+// Payment iteration
+$paymentNumber = 1;
+// Determine total number payments
+$totalPayments = $termLength * $paymentsPerYear;
+// Determine interest component of periodic payment
+$intCalc = 1 + $interestRate / $paymentsPerYear;
+// Determine periodic payment
+$periodicPayment = $balance * pow($intCalc,$totalPayments) * ($intCalc - 1) /
+(pow($intCalc,$totalPayments) - 1);
+// Round periodic payment to two decimals
+$periodicPayment = round($periodicPayment,2);
+// Create table
+echo "<table width='50%' align='center' border='1'>";
+echo "<tr>
+<th>Payment Number</th><th>Balance</th>
+<th>Payment</th><th>Principal</th><th>Interest</th>
+</tr>";
+// Call recursive function
+amortizationTable($paymentNumber, $periodicPayment, $balance,
+$monthlyInterest);
+// Close table
+echo "</table>";
+?>
diff --git a/loops.php b/loops.php
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<title>Loops</title>
+</head>
+<body>
+	<?php
+
+		$i = 30;
+		while($i <= 34){
+			$i++;
+			echo "The Age-group for the persons are ".$i."<br>";
+		}
+
+
+
+		$i = 30;
+		do{
+			$i++;
+			echo "The Age-group is $i"."<br>";
+		} while ($i <= 34);
+
+
+
+		for($i = 30; $i<=34; $i++){
+			echo "The Age-group is $i"."<br>";
+		}
+
+
+		$brands = array("Toyota","Volkswagen","Subaru","Audi","Range Rover","Lexus","Chevrolet");
+		foreach($brands as $value){
+			echo "$value <br>";
+		}
+	?>
+</body>
+</html>
diff --git a/notes.docx b/notes.docx