install_verify_requirements
function install_verify_requirements
install_verify_requirements(&$install_state)
Verifies the requirements for installing Drupal.
Parameters
$install_state: An array of information about the current installation state.
Return value
A themed status report, or an exception if there are requirement errors. If there are only requirement warnings, a themed status report is shown initially, but the user is allowed to bypass it by providing 'continue=1' in the URL. Otherwise, no output is returned, so that the next task can be run in the same page request.
File
- includes/install.core.inc, line 741
- API functions for installing Drupal.
Code
function install_verify_requirements(&$install_state) { // Check the installation requirements for Drupal and this profile. $requirements = install_check_requirements($install_state); // Verify existence of all required modules. $requirements += drupal_verify_profile($install_state); // Check the severity of the requirements reported. $severity = drupal_requirements_severity($requirements); // If there are errors, always display them. If there are only warnings, skip // them if the user has provided a URL parameter acknowledging the warnings // and indicating a desire to continue anyway. See drupal_requirements_url(). if ($severity == REQUIREMENT_ERROR || ($severity == REQUIREMENT_WARNING && empty($install_state['parameters']['continue']))) { if ($install_state['interactive']) { drupal_set_title(st('Requirements problem')); $status_report = theme('status_report', array('requirements' => $requirements)); $status_report .= st('Check the error messages and <a href="drupal_7-includes-install-core-inc-function-install_verify_requirements-!url">proceed with the installation<-a>-', array('!url' => check_url(drupal_requirements_url($severity)))); return $status_report; } else { -- Throw an exception showing any unmet requirements- $failures = array(); foreach ($requirements as $requirement) { -- Skip warnings altogether for non-interactive installations; these -- proceed in a single request so there is no good opportunity (and no -- good method) to warn the user anyway- if (isset($requirement['severity']) && $requirement['severity'] == REQUIREMENT_ERROR) { $failures[] = $requirement['title'] - ': ' - $requirement['value'] - .html?lang=en"\n\n" . $requirement['description']; } } if (!empty($failures)) { throw new Exception(implode("\n\n", $failures)); } } } }
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https://api.drupal.org/api/drupal/includes!install.core.inc/function/install_verify_requirements/7.x