/**
* Get version bounds from two version strings, that can be on the
* format '5', '5.2', '5.x.x' even be 'false'
*/
function GetVersionBounds($minimumVersion, $maximumVersion)
{
$current = VersionStringToArray(phpversion());
# PHP ALWAYS HAS FULL VERSION STRING!!
$minimum = VersionStringToArray($minimumVersion, '0');
// Any higher version is accepted!
if ($maximumVersion === false) {
return array('current' => $current, 'lower' => $minimum, 'upper' => VersionStringToArray('99.99.99'));
} else {
if ($maximumVersion !== false) {
return array('current' => $current, 'lower' => $minimum, 'upper' => VersionStringToArray($maximumVersion, '99'));
} else {
// Create upper bounds from the required version, such that
// any undefined values will be maximum
return array('current' => $current, 'lower' => $minimum, 'upper' => VersionStringToArray($minversion, '99'));
}
}
}
// If minimum PHP version is required
if ($steps[STEP_PHPREQUIRES]['phpversion'] !== false) {
$page->SubTitle('PHP Version', 'notepad');
$bounds = GetVersionBounds($steps[STEP_PHPREQUIRES]['phpversion'], $steps[STEP_PHPREQUIRES]['maxversion']);
$CurLow = CompareVersons($bounds['current'], $bounds['lower']);
$CurHig = CompareVersons($bounds['current'], $bounds['upper']);
// Start the version table
$page->StartTable(4, array('class' => 'dbtests', 'cellspacing' => '0', 'cellpadding' => '0'));
// Display the requirements
$page->AddTableData('', array('class' => 'currentico'));
$page->AddTableData('Required:', array('style' => 'padding-right:15px;'));
// If range is defined or not
if ($steps[STEP_PHPREQUIRES]['maxversion'] === false) {
$str = ' or later';
} else {
$str = ' - ' . implode('.', VersionStringToArray($steps[STEP_PHPREQUIRES]['maxversion']));
}
$page->AddTableData(implode('.', $bounds['lower']) . $str, array('style' => 'padding-right:15px;'));
$page->AddTableData('');
// If current version is equal or higher than lower bound
// and is below the upper bound - then accepted!
if ($CurLow >= 0 && $CurHig < 0) {
$page->AddTableData('', array('class' => 'okayico'));
$page->AddTableData('You have:');
$page->AddTableData(phpversion(), array('style' => 'text-align:center;'));
$page->AddTableData('Supported!', array('class' => 'okay'));
} else {
$phpversion = false;
if ($CurLow < 0) {
$str = 'Below required version!';
} else {
if($key == 'phpversion')
{
$version = implode('.', VersionStringToArray($value, '0'));
if($version != $value)
$show .= ' <span style="color:#8F8F8F; font-size:11px;">(becomes minimum: '.$version.')</span>';
$page->AddTableData('<tt>'.$show.'</tt>');
}
/* -----------------------( PHP VERSION STRING )----------------------- */
else if($key == 'maxversion')
{
if($value === false)
$value = 'x';
$version = implode('.', VersionStringToArray($value, '99'));
if($version != $value)
$show .= ' <span style="color:#8F8F8F; font-size:11px;">(becomes maximum: '.$version.')</span>';
$page->AddTableData('<tt>'.$show.'</tt>');
}
/* -----------------------( PHP EXTENSIONS )----------------------- */
else if($key == 'extensions' && is_array($value))
{
$show = '';
foreach($value as $ext=>$title)
{
if(IsExtensionInstalled($ext))
$show .= '['.GetAsGreen($ext).'] '.$title.'<br />';
else $show .= '['.GetAsRed($ext).'] '.$title.'<br />';
