function wpcf7_install()
{
global $wpdb, $wpcf7;
if (wpcf7_table_exists()) {
return;
}
// Exists already
$charset_collate = '';
if ($wpdb->has_cap('collation')) {
if (!empty($wpdb->charset)) {
$charset_collate = "DEFAULT CHARACTER SET {$wpdb->charset}";
}
if (!empty($wpdb->collate)) {
$charset_collate .= " COLLATE {$wpdb->collate}";
}
}
$wpdb->query("CREATE TABLE IF NOT EXISTS {$wpcf7->contactforms} (\r\n\t\tcf7_unit_id bigint(20) unsigned NOT NULL auto_increment,\r\n\t\ttitle varchar(200) NOT NULL default '',\r\n\t\tform text NOT NULL,\r\n\t\tmail text NOT NULL,\r\n\t\tmail_2 text NOT NULL,\r\n\t\tmessages text NOT NULL,\r\n\t\tadditional_settings text NOT NULL,\r\n\t\tPRIMARY KEY (cf7_unit_id)) {$charset_collate};");
if (!wpcf7_table_exists()) {
return false;
}
// Failed to create
$legacy_data = get_option('wpcf7');
if (is_array($legacy_data) && is_array($legacy_data['contact_forms']) && $legacy_data['contact_forms']) {
foreach ($legacy_data['contact_forms'] as $key => $value) {
$wpdb->insert($wpcf7->contactforms, array('cf7_unit_id' => $key, 'title' => $value['title'], 'form' => maybe_serialize($value['form']), 'mail' => maybe_serialize($value['mail']), 'mail_2' => maybe_serialize($value['mail_2']), 'messages' => maybe_serialize($value['messages']), 'additional_settings' => maybe_serialize($value['additional_settings'])), array('%d', '%s', '%s', '%s', '%s', '%s', '%s'));
}
} else {
wpcf7_load_plugin_textdomain();
$wpdb->insert($wpcf7->contactforms, array('title' => __('Contact form', 'wpcf7') . ' 1', 'form' => maybe_serialize(wpcf7_default_form_template()), 'mail' => maybe_serialize(wpcf7_default_mail_template()), 'mail_2' => maybe_serialize(wpcf7_default_mail_2_template()), 'messages' => maybe_serialize(wpcf7_default_messages_template())));
}
}
<?php
/* No table warning */
if (!wpcf7_table_exists()) {
if (current_user_can('activate_plugins')) {
$create_table_link_url = wpcf7_admin_url('admin.php', array('wpcf7-create-table' => 1));
$create_table_link_url = wp_nonce_url($create_table_link_url, 'wpcf7-create-table');
$message = sprintf(__('<strong>The database table for Contact Form 7 does not exist.</strong> You must <a href="%s">create the table</a> for it to work.', 'wpcf7'), $create_table_link_url);
} else {
$message = __("<strong>The database table for Contact Form 7 does not exist.</strong>", 'wpcf7');
}
?>
<div class="wrap">
<?php
screen_icon('edit-pages');
?>
<h2><?php
echo esc_html(__('Contact Form 7', 'wpcf7'));
?>
</h2>
<div id="message" class="updated fade">
<p><?php
echo $message;
?>
</p>
</div>
</div>
<?php
return;
}
?>