<?php

/**

 * PHP HTML Template Engine

 * http://www.phpcodemania.com

 * @2021 for PHP Beginner

 */

class PHP_Parser{

/**

* Left delimiter character for pseudo vars

*

* @var string

*/

public $left_delimiter = '{';

/**

* Right delimiter character for pseudo vars

*

* @var string

*/

public $right_delimiter = '}';

public function parse($file_path, $data, $return = FALSE)

{

$html = $this->_load_view($file_path);

$template = $this->_parse_attribute($html, $data);

if($return == TRUE){

return $template;

}else{

echo $template;

}

}

private function _load_view($file_path)

{

$base_path = getcwd();

$file_path = $base_path.'/'. $file_path;

if(file_exists($file_path)){

ob_start();

include($file_path);

$template = ob_get_clean();

}else{

$template = 'View not found : '. $file_path;

}

return $template;

}

/**

* Parse array data list with attribute

*

* @param string

* @param array

* @param boolean

* @return array

*/  

protected function _parse_attribute($template, $data)

{

if ($template === '')

{

return FALSE;

}

$replace = array();

foreach ($data as $key => $val)

{

$replace = array_merge(

$replace,

is_array($val)

? $this->_parse_attribute_pair($key, $val, $template)

: $this->_parse_variable($key, (string) $val, $template)

);

}

unset($data);

$template = strtr($template, $replace);

return $template;

}

private function _parse_variable($key, $val, $string)

{

return array($this->left_delimiter.$key.$this->right_delimiter => (string) $val);

}

/**

* Parse data to pseudo-variables between attribute parser-repeat="[*]"

*

* @param string

* @param array

* @param string

* @return array

*/

protected function _parse_attribute_pair( $attr_value, $data, $string)

{

$replace = array();

$matches = $this->_get_html_between('parser-repeat', $attr_value, $string);

if(!empty($matches)){

foreach ($matches as $match)

{

$str = '';

foreach ($data as $row)

{

$temp = array();

foreach ($row as $key => $val)

{

if (is_array($val))

{

$pair = $this->_parse_attribute_pair($key, $val, $match[0]);

if ( ! empty($pair))

{

$temp = array_merge($temp, $pair);

}

continue;

}

$temp[$this->left_delimiter.$key.$this->right_delimiter] = $val;

}

$temp[' parser-repeat="['.$attr_value.']"'] = '';//Clear repeat attribute

$str .= strtr($match[0], $temp);

}

$replace[$match[0]] = $str;

}

}

return $replace;

}

/**

* Match html element between attribute parser-repeat="[*]"

* 

* @param string

* @param string

* @param string

* @param string

* @return array

*/

private function _get_html_between( $attr, $value, $xml, $tag=null ) 

{

if( is_null($tag) ){

$tag = '\w+';

}else{

$tag = preg_quote($tag);

}

$attr = preg_quote($attr);

$value = preg_quote($value);

//SEARCH TAG TARGET (IT WILL BREAK WITH FIRST CLOSE TAG)

$tag_regex = "/<(".$tag.")[^>]*".$attr."\s*=\s*(['\"])\[$value\]\\2[^>]*>(.*?)(<\/\\1>)/si";

preg_match_all($tag_regex,

$xml,

$results,

PREG_SET_ORDER);

 

if(isset($results[0][1])){

$check = count($results); // IF HAS MORE THAN ONE TAG MUST USE \+w

if($check == 1){

$tag = $results[0][1]; // SET IF ONE TAG NAME

}

//GET CONTENT AGAIN WITH MULTI CLOSE TAG

$multi_regex = '{<'.$tag.'[^>]*'.$attr.'="\['.$value.'\]"[^>]*>((?:(?:(?!<'.$tag.'[^>]*>|<\/'.$tag.'>).)++|<'.$tag.'[^>]*>(?1)<\/'.$tag.'>)*)<\/'.$tag.'>}si';

preg_match_all($multi_regex,

$xml,

$matches_result,

PREG_SET_ORDER);

$results = $matches_result;

}

return $results;

}

}

/* End of file PHP_Parser.php */

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