install_check_requirements($install_state)Check installation requirements and report any errors.
includes/install.core.inc, line 1511
<?php
function install_check_requirements($install_state) {
$profile = $install_state['parameters']['profile'];
// Check the profile requirements.
$requirements = drupal_check_profile($profile);
// If Drupal is not set up already, we need to create a settings file.
if (!$install_state['settings_verified']) {
$writable = FALSE;
$conf_path = './' . conf_path(FALSE, TRUE);
$settings_file = $conf_path . '/settings.php';
$file = $conf_path;
$exists = FALSE;
// Verify that the directory exists.
if (drupal_verify_install_file($conf_path, FILE_EXIST, 'dir')) {
// Check to make sure a settings.php already exists.
$file = $settings_file;
if (drupal_verify_install_file($settings_file, FILE_EXIST)) {
$exists = TRUE;
// If it does, make sure it is writable.
$writable = drupal_verify_install_file($settings_file, FILE_READABLE|FILE_WRITABLE);
$exists = TRUE;
}
}
if (!$exists) {
$requirements['settings file exists'] = array(
'title' => st('Settings file'),
'value' => st('The settings file does not exist.'),
'severity' => REQUIREMENT_ERROR,
'description' => st('The @drupal installer requires that you create a settings file as part of the installation process. Copy the %default_file file to %file. More details about installing Drupal are available in <a href="@install_txt">INSTALL.txt</a>.', array('@drupal' => drupal_install_profile_distribution_name(), '%file' => $file, '%default_file' => $conf_path . '/default.settings.php', '@install_txt' => base_path() . 'INSTALL.txt')),
);
}
else {
$requirements['settings file exists'] = array(
'title' => st('Settings file'),
'value' => st('The %file file exists.', array('%file' => $file)),
);
if (!$writable) {
$requirements['settings file writable'] = array(
'title' => st('Settings file'),
'value' => st('The settings file is not writable.'),
'severity' => REQUIREMENT_ERROR,
'description' => st('The @drupal installer requires write permissions to %file during the installation process. If you are unsure how to grant file permissions, consult the <a href="@handbook_url">online handbook</a>.', array('@drupal' => drupal_install_profile_distribution_name(), '%file' => $file, '@handbook_url' => 'http://drupal.org/server-permissions')),
);
}
else {
$requirements['settings file'] = array(
'title' => st('Settings file'),
'value' => st('Settings file is writable.'),
);
}
}
}
return $requirements;
}
?>