Validates the plugin requirements for WordPress version and PHP version.
Description
Uses the information from Requires at least
, Requires PHP
and Requires Plugins
headers defined in the plugin’s main PHP file.
Parameters
$plugin
stringrequired- Path to the plugin file relative to the plugins directory.
Source
function validate_plugin_requirements( $plugin ) {
$plugin_headers = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
$requirements = array(
'requires' => ! empty( $plugin_headers['RequiresWP'] ) ? $plugin_headers['RequiresWP'] : '',
'requires_php' => ! empty( $plugin_headers['RequiresPHP'] ) ? $plugin_headers['RequiresPHP'] : '',
'requires_plugins' => ! empty( $plugin_headers['RequiresPlugins'] ) ? $plugin_headers['RequiresPlugins'] : '',
);
$compatible_wp = is_wp_version_compatible( $requirements['requires'] );
$compatible_php = is_php_version_compatible( $requirements['requires_php'] );
$php_update_message = '</p><p>' . sprintf(
/* translators: %s: URL to Update PHP page. */
__( '<a href="%s">Learn more about updating PHP</a>.' ),
esc_url( wp_get_update_php_url() )
);
$annotation = wp_get_update_php_annotation();
if ( $annotation ) {
$php_update_message .= '</p><p><em>' . $annotation . '</em>';
}
if ( ! $compatible_wp && ! $compatible_php ) {
return new WP_Error(
'plugin_wp_php_incompatible',
'<p>' . sprintf(
/* translators: 1: Current WordPress version, 2: Current PHP version, 3: Plugin name, 4: Required WordPress version, 5: Required PHP version. */
_x( '<strong>Error:</strong> Current versions of WordPress (%1$s) and PHP (%2$s) do not meet minimum requirements for %3$s. The plugin requires WordPress %4$s and PHP %5$s.', 'plugin' ),
get_bloginfo( 'version' ),
PHP_VERSION,
$plugin_headers['Name'],
$requirements['requires'],
$requirements['requires_php']
) . $php_update_message . '</p>'
);
} elseif ( ! $compatible_php ) {
return new WP_Error(
'plugin_php_incompatible',
'<p>' . sprintf(
/* translators: 1: Current PHP version, 2: Plugin name, 3: Required PHP version. */
_x( '<strong>Error:</strong> Current PHP version (%1$s) does not meet minimum requirements for %2$s. The plugin requires PHP %3$s.', 'plugin' ),
PHP_VERSION,
$plugin_headers['Name'],
$requirements['requires_php']
) . $php_update_message . '</p>'
);
} elseif ( ! $compatible_wp ) {
return new WP_Error(
'plugin_wp_incompatible',
'<p>' . sprintf(
/* translators: 1: Current WordPress version, 2: Plugin name, 3: Required WordPress version. */
_x( '<strong>Error:</strong> Current WordPress version (%1$s) does not meet minimum requirements for %2$s. The plugin requires WordPress %3$s.', 'plugin' ),
get_bloginfo( 'version' ),
$plugin_headers['Name'],
$requirements['requires']
) . '</p>'
);
}
WP_Plugin_Dependencies::initialize();
if ( WP_Plugin_Dependencies::has_unmet_dependencies( $plugin ) ) {
$dependency_names = WP_Plugin_Dependencies::get_dependency_names( $plugin );
$unmet_dependencies = array();
$unmet_dependency_names = array();
foreach ( $dependency_names as $dependency => $dependency_name ) {
$dependency_file = WP_Plugin_Dependencies::get_dependency_filepath( $dependency );
if ( false === $dependency_file ) {
$unmet_dependencies['not_installed'][ $dependency ] = $dependency_name;
$unmet_dependency_names[] = $dependency_name;
} elseif ( is_plugin_inactive( $dependency_file ) ) {
$unmet_dependencies['inactive'][ $dependency ] = $dependency_name;
$unmet_dependency_names[] = $dependency_name;
}
}
$error_message = sprintf(
/* translators: 1: Plugin name, 2: Number of plugins, 3: A comma-separated list of plugin names. */
_n(
'<strong>Error:</strong> %1$s requires %2$d plugin to be installed and activated: %3$s.',
'<strong>Error:</strong> %1$s requires %2$d plugins to be installed and activated: %3$s.',
count( $unmet_dependency_names )
),
$plugin_headers['Name'],
count( $unmet_dependency_names ),
implode( wp_get_list_item_separator(), $unmet_dependency_names )
);
if ( is_multisite() ) {
if ( current_user_can( 'manage_network_plugins' ) ) {
$error_message .= ' ' . sprintf(
/* translators: %s: Link to the plugins page. */
__( '<a href="%s">Manage plugins</a>.' ),
esc_url( network_admin_url( 'plugins.php' ) )
);
} else {
$error_message .= ' ' . __( 'Please contact your network administrator.' );
}
} else {
$error_message .= ' ' . sprintf(
/* translators: %s: Link to the plugins page. */
__( '<a href="%s">Manage plugins</a>.' ),
esc_url( admin_url( 'plugins.php' ) )
);
}
return new WP_Error(
'plugin_missing_dependencies',
"<p>{$error_message}</p>",
$unmet_dependencies
);
}
return true;
}
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