function truncate_at_ellipsis($content)
{
$end = '[...]';
if (sustr::has($content, $end)) {
$content = sustr::upto($content, $end);
$content = sustr::rtrim_substr($content, $end);
}
return sustr::endwith($content, '[…]');
}
/**
* Outputs a set of radio buttons into an admin form and saves the set's value into the database after form submission.
*
* @since 1.5
* @uses is_action()
* @uses update_setting()
* @uses admin_form_group_start()
* @uses admin_form_group_end()
* @uses su_esc_attr()
* @uses get_setting()
*
* @param string $name The name of the set of radio buttons.
* @param array $values The keys of this array are the radio button values, and the array values are the label strings.
* @param string|false $grouptext The text to display in a table cell to the left of the one containing the radio buttons. Optional.
*/
function radiobuttons($name, $values, $grouptext = false)
{
//Save radio button setting after form submission
if ($this->is_action('update') && isset($_POST[$name])) {
$this->update_setting($name, $_POST[$name]);
}
if ($grouptext) {
$this->admin_form_group_start($grouptext, false);
} else {
echo "<tr valign='top' class='su-admin-form-radio'>\n<td colspan='2'>\n";
}
if (is_array($values)) {
register_setting($this->get_module_key(), $name);
$name = su_esc_attr($name);
$first = true;
foreach ($values as $value => $desc) {
$value = su_esc_attr($value);
$id = "{$name}_{$value}";
$current = strcmp($this->get_setting($name), $value) == 0;
$class = $first ? 'first' : '';
$first = false;
if ($current) {
$class .= ' current-setting';
}
$class = trim($class);
if ($class) {
$class = " class='{$class}'";
}
extract($this->insert_subfield_textboxes($name, $desc));
echo "<div class='radio'><label for='{$id}'{$class}><input name='{$name}' id='{$id}' type='radio' value='{$value}'";
if ($current) {
echo " checked='checked'";
}
echo " /> {$label}";
if (!sustr::has($label, '</label>')) {
echo '</label>';
}
echo "</div>\n";
}
}
if ($grouptext) {
$this->admin_form_group_end(false);
}
}
/**
* Converts an array into a CSV file and outputs it.
*
* @param array $csv The array to convert and output
*
* @return bool Whether or not the conversion was successful
*/
function print_csv($csv)
{
if (!is_array($csv) || !count($csv) || !is_array($csv[0])) {
return false;
}
$headers = array_keys($csv[0]);
array_unshift($csv, array_combine($headers, $headers));
foreach ($csv as $row) {
$csv_row = array();
foreach ($headers as $header) {
$csv_row[$header] = $row[$header];
if (sustr::has($csv_row[$header], ',')) {
$csv_row[$header] = '"' . $csv_row[$header] . '"';
}
}
echo implode(',', $csv_row) . "\r\n";
}
return true;
}
