function callbackFunction($matches)
{
$res = checkRequirement($matches[0], $this->courseCompleted);
$res = $res ? 'True' : 'False';
return $res;
}
function requirements(&$Page)
{
$missing = array();
if (!checkRequirement(phpversion(), 'version', '5.2')) {
$Page->log->pushToLog('Requirement - PHP Version is not correct. ' . phpversion() . ' detected.', E_ERROR, true);
$missing[] = MISSING_PHP;
}
if (!checkRequirement('mysql_connect', 'func', true)) {
$Page->log->pushToLog('Requirement - MySQL extension not present', E_ERROR, true);
$missing[] = MISSING_MYSQL;
}
if (!checkRequirement('zlib', 'ext', true)) {
$Page->log->pushToLog('Requirement - ZLib extension not present', E_ERROR, true);
$missing[] = MISSING_ZLIB;
}
if (!checkRequirement('xml:libxml', 'ext', true)) {
$Page->log->pushToLog('Requirement - No XML extension present', E_ERROR, true);
$missing[] = MISSING_XML;
}
if (!checkRequirement('xsl:xslt', 'ext', true) && !checkRequirement('domxml_xslt_stylesheet', 'func', true)) {
$Page->log->pushToLog('Requirement - No XSL extension present', E_ERROR, true);
$missing[] = MISSING_XSL;
}
$Page->missing = $missing;
return;
}
function filterCourseListByPrerequisite($courseCompleted, $yearStanding, $unCompletedCourses)
{
$sql = "SELECT `Subject`, `CourseNumber`, `Requirement`, `YearReq` FROM Prerequisite";
$result = mysqli_query($this->mysqli, $sql);
$filteredResult = [];
foreach ($unCompletedCourses as $c) {
$filteredResult[] = [$c];
}
while ($row = mysqli_fetch_array($result)) {
foreach ($filteredResult as $key => $course) {
if ($row['Subject'] . " " . $row['CourseNumber'] == $course[0]) {
// Find one course in prerequisite table, lets check
if ($row['YearReq'] > $yearStanding) {
break;
} else {
array_push($filteredResult[$key], $row['Requirement']);
break;
}
}
}
}
$result = [];
foreach ($filteredResult as $key => $coursRequiremnt) {
if (sizeof($coursRequiremnt) == 2) {
$requirement = $coursRequiremnt[1];
if (!checkRequirement($requirement, $courseCompleted)) {
unset($filteredResult[$key]);
continue;
}
}
$result[] = $coursRequiremnt[0];
}
return $result;
}
