hasDependencies() статический публичный Метод

Dependency check.
static public hasDependencies ( ) : boolean
Результат boolean
Пример #1
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} else {
    $epub = true;
}
if (false == \Pressbooks\Modules\Export\Mobi\Kindlegen::hasDependencies()) {
    $mobi = false;
    $dependency_errors['mobi'] = 'MOBI';
} else {
    $mobi = true;
}
if (false == \Pressbooks\Modules\Export\Xhtml\Xhtml11::hasDependencies()) {
    $xhtml = false;
    $dependency_errors['xhtml'] = 'XHTML';
} else {
    $xhtml = true;
}
if (false == \Pressbooks\Modules\Export\InDesign\Icml::hasDependencies()) {
    $icml = false;
    $dependency_errors['icml'] = 'ICML';
} else {
    $icml = true;
}
if (false == \Pressbooks\Modules\Export\Odt\Odt::hasDependencies()) {
    $odt = false;
    $dependency_errors['odt'] = 'OpenDocument';
} else {
    $odt = true;
}
foreach ($dependency_errors as $key => $format) {
    printf('<div class="error"><p>%s</p></div>', sprintf(__('Some dependencies for %1$s export could not be found. Please verify that you have completed the <a href="%2$s">installation instructions</a>.', 'pressbooks'), $format, 'https://pressbooks.org/installation'));
}
if (!empty($_GET['export_error'])) {