} else {
echo '<br /> Installing FLEXIcontent version ' . $this->release;
}
echo '<br /> Minimum Joomla version = ' . $this->minimum_joomla_release . '   Current is ' . $jversion->getShortVersion();
echo '<p> -- ' . JText::_('Performing PRE-installation Tasks/Checks') . '</p>';
// Abort if the current Joomla release is older
if (version_compare($jversion->getShortVersion(), $this->minimum_joomla_release, 'lt')) {
Jerror::raiseWarning(null, 'Cannot install com_flexicontent in a Joomla release prior to ' . $this->minimum_joomla_release);
return false;
}
// Abort if the component being installed is not newer than the currently installed version
if ($type == 'update') {
$oldRelease = $this->getParam('version');
$rel = $this->release_existing . ' to ' . $this->release;
if (version_compare($this->release, $oldRelease, 'l')) {
Jerror::raiseNotice(null, 'Downgrading component from ' . $rel);
//return false; // Returning false here would abort
}
}
// Detect FLEXIcontent installed
if (FLEXI_J16GE) {
define('FLEXI_INSTALLED', $this->release_existing ? 1 : 0);
} else {
define('FLEXI_INSTALLED', JPluginHelper::isEnabled('system', 'flexisystem'));
}
// init vars
$error = false;
$extensions = array();
// clear a cache
$cache = JFactory::getCache();
$cache->clean('_system');
function preflight($type, $parent)
{
// Make sure that fatal errors are printed
error_reporting(E_ERROR);
ini_set('display_errors', 1);
// Try to increment some limits
@set_time_limit(240);
// execution time 5 minutes
ignore_user_abort(true);
// continue execution if client disconnects
// Try to increment memory limits
$memory_limit = trim(@ini_get('memory_limit'));
if ($memory_limit) {
switch (strtolower(substr($memory_limit, -1))) {
case 'm':
$memory_limit = (int) substr($memory_limit, 0, -1) * 1048576;
break;
case 'k':
$memory_limit = (int) substr($memory_limit, 0, -1) * 1024;
break;
case 'g':
$memory_limit = (int) substr($memory_limit, 0, -1) * 1073741824;
break;
case 'b':
switch (strtolower(substr($memory_limit, -2, 1))) {
case 'm':
$memory_limit = (int) substr($memory_limit, 0, -2) * 1048576;
break;
case 'k':
$memory_limit = (int) substr($memory_limit, 0, -2) * 1024;
break;
case 'g':
$memory_limit = (int) substr($memory_limit, 0, -2) * 1073741824;
break;
default:
break;
}
break;
default:
break;
}
if ($memory_limit < 16000000) {
@ini_set('memory_limit', '16M');
}
if ($memory_limit < 32000000) {
@ini_set('memory_limit', '32M');
}
if ($memory_limit < 64000000) {
@ini_set('memory_limit', '64M');
}
}
// first check if PHP5 is running
$PHP_VERSION_NEEDED = FLEXI_J16GE ? '5.3.0' : '5.1.0';
if (version_compare(PHP_VERSION, $PHP_VERSION_NEEDED, '<')) {
// load english language file for 'com_flexicontent' component then override with current language file
JFactory::getLanguage()->load('com_flexicontent', JPATH_ADMINISTRATOR, 'en-GB', true);
JFactory::getLanguage()->load('com_flexicontent', JPATH_ADMINISTRATOR, null, true);
Jerror::raiseWarning(null, JText::sprintf('FLEXI_UPGRADE_PHP_VERSION_GE', $PHP_VERSION_NEEDED));
return false;
}
// Get Joomla version
$jversion = new JVersion();
// File version of new manifest file
$this->release = FLEXI_J16GE ? $parent->get("manifest")->version : $this->manifest->getElementByPath('version')->data();
// File version of existing manifest file
$this->release_existing = FLEXI_J16GE ? $this->getParam('version') : 0;
// Manifest file minimum Joomla version
$this->minimum_joomla_release = FLEXI_J16GE ? $parent->get("manifest")->attributes()->version : $this->manifest->attributes('version');
// Show the essential information at the install/update back-end
if ($this->release_existing) {
echo '<br /> Updating FLEXIcontent from ' . $this->release_existing . ' to version ' . $this->release;
} else {
echo '<br /> Installing FLEXIcontent version ' . $this->release;
}
echo '<br /> Minimum Joomla version = ' . $this->minimum_joomla_release . '   Current is ' . $jversion->getShortVersion();
echo '<p> -- ' . JText::_('Performing PRE-installation Tasks/Checks') . '</p>';
// Abort if the current Joomla release is older
if (version_compare($jversion->getShortVersion(), $this->minimum_joomla_release, 'lt')) {
Jerror::raiseWarning(null, 'Cannot install com_flexicontent in a Joomla release prior to ' . $this->minimum_joomla_release);
return false;
}
// Abort if the component being installed is not newer than the currently installed version
if ($type == 'update') {
$oldRelease = $this->getParam('version');
$rel = $this->release_existing . ' to ' . $this->release;
if (version_compare($this->release, $oldRelease, 'l')) {
Jerror::raiseNotice(null, 'Downgrading component from ' . $rel);
//return false; // Returning false here would abort
}
}
// Detect FLEXIcontent installed
if (FLEXI_J16GE) {
define('FLEXI_INSTALLED', $this->release_existing ? 1 : 0);
} else {
define('FLEXI_INSTALLED', JPluginHelper::isEnabled('system', 'flexisystem'));
}
}
