| public render ( string | callable $content = null ) : string | ||
| $content | string | callable | the content within the field container. If null (not set), the default methods will be called to generate the label, error tag and input tag, and use them as the content. If a callable, it will be called to generate the content. The signature of the callable should be: ```php function ($field) { return $html; } ``` |
| return | string | the rendering result |
public function render($content = null)
{
if ($content === null) {
if (!isset($this->parts['{icon}'])) {
$this->icon();
}
if (!isset($this->parts['{input}'])) {
$this->textInput();
}
if (!isset($this->parts['{label}'])) {
$this->label();
}
if (!isset($this->parts['{error}'])) {
$this->error();
}
if (!isset($this->parts['{hint}'])) {
$this->hint(null);
}
$content = strtr($this->template, $this->parts);
} elseif (!is_string($content)) {
$content = call_user_func($content, $this);
}
return $this->begin() . "\n" . $content . "\n" . $this->end();
}