surferxo3 · October 30, 2016 18:18
diff --git a/equivalence.php b/equivalence.php
 <?php

 /*#############################
 * Developer: Mohammad Sharaf Ali
 * Designation: Web Developer
 * Version: 1.0
 */#############################

 ##################### CONSTANTS #####################
 // grade equivalence constants
 const IBCC_GRADES = array(
 		'A*' => 90, 
 		'A' => 85, 
 		'B' => 75, 
 		'C' => 65, 
 		'D' => 55,
 		'E' => 45);

 const IBCC_MATRIC_TOTAL = 900;
 const IBCC_INTERMEDIATE_TOTAL = 1100;


 ##################### HELPER METHODS #####################
 function notEmptyString($str) {
 	return $str !== '';
 }

 function getEquivalent($grade) {
 	$percent = 0;

 	if (array_key_exists($grade, IBCC_GRADES)) {
 		$percent = IBCC_GRADES[$grade];
 	}

 	return $percent;
 }

 function significatDigits($num, $sep = '.', $sig = 2) { 
    $cut = substr($num, 0, ((strpos($num, $sep) + 1) + $sig)); 
     
    return $cut;
 }

 function printResult($str) {
 	echo '<pre>';
 	echo $str;
 	echo '</pre>';
 }


 ##################### MAIN #####################
 if (isset($_POST['submit'])) {
 	$OLevelSum = 0;
 	$OLevelTotal = 0;
 	$ALevelSum = 0;
 	$ALevelTotal = 0;

 	$OLevelGrades = isset($_POST['grades_o']) ? $_POST['grades_o'] : array();
 	$ALevelGrades = isset($_POST['grades_a']) ? $_POST['grades_a'] : array();

 	if (!empty($OLevelGrades)) { // calculate Matric Equivalence Certificate
 		$OLevelGrades = explode(',', $_POST['grades_o']); // validation when no comma separated
 		$OLevelGrades = array_map('trim', $OLevelGrades);
 		$OLevelGrades = array_filter($OLevelGrades, 'notEmptyString');

 		foreach ($OLevelGrades as $OLevelGrade) {
 			list($subject, $grade) = explode('-', $OLevelGrade); // validation when no hyphen separated

 			$equivalentGrade = getEquivalent(strtoupper($grade));
 			$OLevelSum += $subject * $equivalentGrade;
 			
 			if ($equivalentGrade > 0) {
 				$OLevelTotal += $subject;
 			}
 		}
 		
 		$equivalentMarks = ceil(($OLevelSum / ($OLevelTotal * 100)) * IBCC_MATRIC_TOTAL);
 		$equivalentPercent = ($equivalentMarks / IBCC_MATRIC_TOTAL) * 100;

 		$toScreen = 'Matric Marks obtained:';
 		$toScreen .= '<br />';
 		$toScreen .= 'In number <strong>'. $equivalentMarks. '</strong> out of <strong>'. IBCC_MATRIC_TOTAL. '</strong>';
 		$toScreen .= '<br />';
 		$toScreen .= 'In percentage <strong>'. significatDigits($equivalentPercent). '%</strong>';
 		
 		printResult($toScreen);

 		if (!empty($ALevelGrades)) { // calculate Intermediate Equivalence Certificate
 			$ALevelGrades = explode(',', $_POST['grades_a']); // validation when no comma separated
 			$ALevelGrades = array_map('trim', $ALevelGrades);
 			$ALevelGrades = array_filter($ALevelGrades, 'notEmptyString');

 			foreach ($ALevelGrades as $ALevelGrade) {
 				list($subject, $grade) = explode('-', $ALevelGrade); // validation when no hyphen separated

 				$equivalentGrade = getEquivalent(strtoupper($grade));
 				$ALevelSum += $subject * $equivalentGrade;
 		
 				if ($equivalentGrade > 0) {
 					$ALevelTotal += $subject;
 				}
 			}

 			$equivalentMarks = ceil((($OLevelSum + $ALevelSum) / (($OLevelTotal + $ALevelTotal) * 100)) * IBCC_INTERMEDIATE_TOTAL);
 			$equivalentPercent = ($equivalentMarks / IBCC_INTERMEDIATE_TOTAL) * 100;

 			$toScreen = 'Intermediate Marks obtained:';
 			$toScreen .= '<br />';
 			$toScreen .= 'In number <strong>'. $equivalentMarks. '</strong> out of <strong>'. IBCC_INTERMEDIATE_TOTAL. '</strong>';
 			$toScreen .= '<br />';
 			$toScreen .= 'In percentage <strong>'. significatDigits($equivalentPercent). '%</strong>';
 			
 			printResult($toScreen);
 		}
 	}
 }

 ?>

 <html>
 <head>
 	<title>Script for calculating O and A Level's Equivalence</title>
 </head>

 <body>

 <h4>O and A Level Equivalence Calculator</h4>

 <form action="<?php echo $_SERVER['PHP_SELF'] ?>" method="POST">
 	<input type="text" id="grades_o" name="grades_o" required autofocus tabindex="1" placeholder="Enter grades as 3-A, 2-B, 1-C, 1-D, 1-E" />
 	<br /><br />

 	<input type="text" id="grades_a" name="grades_a" tabindex="2" placeholder="Enter grades as 1-A*, 2-B" />
 	<br /><br />
 	
 	<input type="submit" id="submit" name="submit" value="CALCULATE" tabindex="3" />
 </form>

 </body>
 </html>
	<?php

	/*#############################
	* Developer: Mohammad Sharaf Ali
	* Designation: Web Developer
	* Version: 1.0
	*/#############################

	##################### CONSTANTS #####################
	// grade equivalence constants
	const IBCC_GRADES = array(
	'A*' => 90,
	'A' => 85,
	'B' => 75,
	'C' => 65,
	'D' => 55,
	'E' => 45);

	const IBCC_MATRIC_TOTAL = 900;
	const IBCC_INTERMEDIATE_TOTAL = 1100;


	##################### HELPER METHODS #####################
	function notEmptyString($str) {
	return $str !== '';
	}

	function getEquivalent($grade) {
	$percent = 0;

	if (array_key_exists($grade, IBCC_GRADES)) {
	$percent = IBCC_GRADES[$grade];
	}

	return $percent;
	}

	function significatDigits($num, $sep = '.', $sig = 2) {
	$cut = substr($num, 0, ((strpos($num, $sep) + 1) + $sig));

	return $cut;
	}

	function printResult($str) {
	echo '<pre>';
	echo $str;
	echo '</pre>';
	}


	##################### MAIN #####################
	if (isset($_POST['submit'])) {
	$OLevelSum = 0;
	$OLevelTotal = 0;
	$ALevelSum = 0;
	$ALevelTotal = 0;

	$OLevelGrades = isset($_POST['grades_o']) ? $_POST['grades_o'] : array();
	$ALevelGrades = isset($_POST['grades_a']) ? $_POST['grades_a'] : array();

	if (!empty($OLevelGrades)) { // calculate Matric Equivalence Certificate
	$OLevelGrades = explode(',', $_POST['grades_o']); // validation when no comma separated
	$OLevelGrades = array_map('trim', $OLevelGrades);
	$OLevelGrades = array_filter($OLevelGrades, 'notEmptyString');

	foreach ($OLevelGrades as $OLevelGrade) {
	list($subject, $grade) = explode('-', $OLevelGrade); // validation when no hyphen separated

	$equivalentGrade = getEquivalent(strtoupper($grade));
	$OLevelSum += $subject * $equivalentGrade;

	if ($equivalentGrade > 0) {
	$OLevelTotal += $subject;
	}
	}

	$equivalentMarks = ceil(($OLevelSum / ($OLevelTotal * 100)) * IBCC_MATRIC_TOTAL);
	$equivalentPercent = ($equivalentMarks / IBCC_MATRIC_TOTAL) * 100;

	$toScreen = 'Matric Marks obtained:';
	$toScreen .= '<br />';
	$toScreen .= 'In number <strong>'. $equivalentMarks. '</strong> out of <strong>'. IBCC_MATRIC_TOTAL. '</strong>';
	$toScreen .= '<br />';
	$toScreen .= 'In percentage <strong>'. significatDigits($equivalentPercent). '%</strong>';

	printResult($toScreen);

	if (!empty($ALevelGrades)) { // calculate Intermediate Equivalence Certificate
	$ALevelGrades = explode(',', $_POST['grades_a']); // validation when no comma separated
	$ALevelGrades = array_map('trim', $ALevelGrades);
	$ALevelGrades = array_filter($ALevelGrades, 'notEmptyString');

	foreach ($ALevelGrades as $ALevelGrade) {
	list($subject, $grade) = explode('-', $ALevelGrade); // validation when no hyphen separated

	$equivalentGrade = getEquivalent(strtoupper($grade));
	$ALevelSum += $subject * $equivalentGrade;

	if ($equivalentGrade > 0) {
	$ALevelTotal += $subject;
	}
	}

	$equivalentMarks = ceil((($OLevelSum + $ALevelSum) / (($OLevelTotal + $ALevelTotal) * 100)) * IBCC_INTERMEDIATE_TOTAL);
	$equivalentPercent = ($equivalentMarks / IBCC_INTERMEDIATE_TOTAL) * 100;

	$toScreen = 'Intermediate Marks obtained:';
	$toScreen .= '<br />';
	$toScreen .= 'In number <strong>'. $equivalentMarks. '</strong> out of <strong>'. IBCC_INTERMEDIATE_TOTAL. '</strong>';
	$toScreen .= '<br />';
	$toScreen .= 'In percentage <strong>'. significatDigits($equivalentPercent). '%</strong>';

	printResult($toScreen);
	}
	}
	}

	?>

	<html>
	<head>
	<title>Script for calculating O and A Level's Equivalence</title>
	</head>

	<body>

	<h4>O and A Level Equivalence Calculator</h4>

	<form action="<?php echo $_SERVER['PHP_SELF'] ?>" method="POST">
	<input type="text" id="grades_o" name="grades_o" required autofocus tabindex="1" placeholder="Enter grades as 3-A, 2-B, 1-C, 1-D, 1-E" />
	<br /><br />

	<input type="text" id="grades_a" name="grades_a" tabindex="2" placeholder="Enter grades as 1-A*, 2-B" />
	<br /><br />

	<input type="submit" id="submit" name="submit" value="CALCULATE" tabindex="3" />
	</form>

	</body>
	</html>