Edit file File name : Oxymel.php Content :<?php class Oxymel { private $xml; private $dom; private $current_element; private $last_inserted; private $go_deep_on_next_element = 0; private $go_up_on_next_element = 0; private $nesting_level = 0; private $contains_nesting_level = 0; private $indentation= ' '; public function __construct() { $this->xml = ''; $this->init_new_dom(); } public function to_string() { return $this->xml .= $this->indent( $this->xml_from_dom(), $this->nesting_level ); } public function __call( $name, $args ) { array_unshift( $args, $name ); return call_user_func_array( array( $this, 'tag' ), $args ); } public function __get( $name ) { return $this->$name(); } public function contains() { $this->contains_nesting_level++; $this->nesting_level++; if ( $this->go_deep_on_next_element ) { throw new OxymelException( 'contains cannot be used consecutively more than once' ); } $this->go_deep_on_next_element++; return $this; } public function end() { $this->contains_nesting_level--; $this->nesting_level--; if ( $this->contains_nesting_level < 0 ) { throw new OxymelException( 'end is used without a matching contains' ); } $this->go_up_on_next_element++; return $this; } public function tag( $name, $content_or_attributes = null, $attributes = array() ) { list( $content, $attributes ) = $this->get_content_and_attributes_from_tag_args( $content_or_attributes, $attributes ); $is_opening = 0 === strpos( $name, 'open_' ); $is_closing = 0 === strpos( $name, 'close_' ); $name = preg_replace("/^(open|close)_/", '', $name ); $element = $this->create_element( $name, $content, $attributes ); if ( !$is_opening && !$is_closing ) $this->add_element_to_dom( $element ); elseif ( $is_opening ) $this->add_opening_tag_from_element( $element ); elseif ( $is_closing ) $this->add_closing_tag_from_tag_name( $name ); return $this; } public function cdata( $text ) { $this->add_element_to_dom( $this->dom->createCDATASection( $text ) ); return $this; } public function text( $text ) { $this->add_element_to_dom( $this->dom->createTextNode( $text ) ); return $this; } public function comment( $text ) { $this->add_element_to_dom( $this->dom->createComment( $text ) ); return $this; } public function xml() { $this->add_element_to_dom( $this->dom->createProcessingInstruction( 'xml', 'version="1.0" encoding="UTF-8"' ) ); return $this; } public function oxymel( Oxymel $other ) { foreach( $other->dom->childNodes as $child ) { $child = $this->dom->importNode( $child, true ); $this->add_element_to_dom( $child ); } return $this; } public function raw( $raw_xml ) { if ( !$raw_xml ) { return $this; } $fragment = $this->dom->createDocumentFragment(); $fragment->appendXML($raw_xml); $this->add_element_to_dom( $fragment ); return $this; } private function add_element_to_dom( $element ) { $this->move_current_element_deep(); $this->move_current_element_up(); $this->last_inserted = $this->current_element->appendChild($element); } private function move_current_element_deep() { if ( $this->go_deep_on_next_element ) { if ( !$this->last_inserted ) { throw new OxymelException( 'contains has been used before adding any tags' ); } $this->current_element = $this->last_inserted; $this->go_deep_on_next_element--; } } private function move_current_element_up() { if ( $this->go_up_on_next_element ) { while ( $this->go_up_on_next_element ) { $this->current_element = $this->current_element->parentNode; $this->go_up_on_next_element--; } } } private function get_content_and_attributes_from_tag_args( $content_or_attributes, array $attributes ) { $content = null; if ( !$attributes ) { if ( is_array( $content_or_attributes ) ) $attributes = $content_or_attributes; else $content = $content_or_attributes; } else { $content = $content_or_attributes; } return array( $content, $attributes ); } private function init_new_dom() { unset( $this->dom, $this->current_element ); $this->dom = new DOMDocument(); $this->dom->formatOutput = true; $this->current_element = $this->dom; $this->last_inserted = null; } private function xml_from_dom() { if ( 0 !== $this->contains_nesting_level ) { throw new OxymelException( 'contains and end calls do not match' ); } $xml = ''; foreach( $this->dom->childNodes as $child ) { $xml .= $this->dom->saveXML( $child ) . "\n"; } return $xml; } private function create_element( $name, $content, $attributes ) { if ( !is_null( $content ) ) $element = $this->dom->createElement( $name, $content ); else $element = $this->dom->createElement( $name ); foreach( $attributes as $attribute_name => $attribute_value ) { $element->setAttribute( $attribute_name, $attribute_value ); } return $element; } private function add_opening_tag_from_element( $element ) { $this->xml .= $this->indent( $this->xml_from_dom(), $this->nesting_level ); $tag = $this->dom->saveXML($element); $this->xml .= $this->indent( str_replace( '/>', '>', $tag ) . "\n", $this->nesting_level ); $this->nesting_level++; $this->init_new_dom(); } private function add_closing_tag_from_tag_name( $name ) { $this->xml .= $this->xml_from_dom(); $this->nesting_level--; if ( $this->nesting_level < 0 ) { $this->xml = $this->indent( $this->xml, -$this->nesting_level ); $this->nesting_level = 0; } $this->xml .= $this->indent( "</$name>\n", $this->nesting_level ); $this->init_new_dom(); } private function indent( $string, $level ) { if ( !$level ) { return $string; } $lines = explode( "\n", $string ); foreach( $lines as &$line ) { if ( !trim( $line ) ) continue; $line = str_repeat( $this->indentation, $level ) . $line; } return implode( "\n", $lines ); } } class OxymelException extends Exception { } Save