<?php
/**
* @name: set_attribute
* Create attributes for DOM element from array. The html5 data-attributes and native attributes are hadnled separately
* @param $attributes
* @param null $data_attributes
* @return string
*/
function set_attributes($attributes, $data_attributes = null){
$html = ' ';
foreach($attributes as $k => $v){
if(!is_array($v)){
$html.=$k.'="'.$v.'" ';
}
}
if($data_attributes && $data_attributes !== null && is_array($data_attributes)){
foreach($data_attributes as $k => $v){
if(!is_array($v)){
$html.='data-'.$k.'="'.$v.'" ';
}
}
}
return $html;
};
/**
* @name build_selector
* Creates a html select element with options, optgroups. It marks the selected element or if
* selected element is not presented, the first element.
* @param array $options Source for options and optgroups
* Format:
* <b>options:</b>
* - value => option
* <b>groups:</b>
* - group => array( 'groupname', array( //options )
* @param null $attributes Source for attributes
* @param null $selected Value of the selected option
* @throws Exception
*/
function build_selector($options = array(),$attributes = null,$selected = null){
$options = (!empty($options) && is_array($options)) ? $options : false;
$selected = ($selected !== null && !empty($selected) && !is_array($selected)) ? $selected : false;
$attributes = (!empty($attributes) && is_array($attributes)) ? $attributes : false;
$data_attributes = (array_key_exists('data-',$attributes) && (!empty($attributes['data-']))) ? $attributes['data-'] : false;
$html_wrapper = '<select';
$html_inside = '';
if(!$options){ throw new Exception('options argument must be an array!'); exit(1);}
function create_options($options,$selected, $i = null){
$i = ($i !== null) ? $i : 0;
foreach($options as $k => $v){
$hasChild = ( $k !== null && strtolower($k) == 'group' && is_array($v)) ? true : false;
if(!$hasChild){
if($v && !empty($v))
echo '<option value="'.$k.'"'.(($selected && $selected == $k)||(!$selected && $i == 0)).'>'.$v.'</option>';
else
echo '<option value="'.$k.'"'.(($selected && $selected == $k)||(!$selected && $i == 0)).'>'.$k.'</option>';
$i++;
}else{
echo '<optgroup label="'.$v[0].'">';
call_user_func('create_options',$v[1], $i);
echo '</optgroup>';
}
}
};
try{
var_dump($data_attributes);
$attributes_html = set_attributes($attributes,$data_attributes);
echo '<select'.$attributes_html.'>';
create_options($options,$selected);
echo '</select>';
} catch (Exception $e){
echo "build_selector error: ".$e->getMessage();
die(1);
}
};
?>
