Edit Microsoft word docx file with php

docx_php_editor.php

<?php
	/**
	* Edit docx file with php
	* In this file some keyword are replacing with new data
	* the docx file is written in archived xml files
	* so their is need of accessing the main file of xml which holding the 
	* actual data of docx file
	* but some of our keyword/variable/token are split in xml tags
	* It is impossible to search and replace data in file
	* So,first combining these splits keywords then  
	* replacing these keyword with new data
	*/

	// target filepath and filename 
	$file="demo.docx";

	// check valid .docx file
	if(pathinfo($file,PATHINFO_EXTENSION) !== "docx"){
		die("File is not a valid docx file");
	}

	// Create reference variable/object of php zip class
	$zip=new ZipArchive();

	//opening docx file
	if($zip->open($file) == FALSE){
		die("Unable to open file");
	}
	// accessing the document.xml file and its content from subdirectory in the archived file
	$xml_content = $zip->getFromName('word/document.xml');
	
	// modifying the keyword(s) in docx file which could be split in internal xml tags
	preg_match_all("/\[(.*?)\]/",$xml_content,$match);
	
	// here we can change opening/closing [ ] with {},() or other unique symbol which could be well paired   
		if(isset($match[0])){
			
			foreach($match[0] as $keyword) {
				$new_word[] = strip_tags($keyword);
			}
			
		$xml_content = str_replace($match[0],$new_word,$xml_content);
		}else {
			die("Unable to modify keyword");
		}
		
		//file could have multiple words,so grouping keywords in array form
		
		// our key word and [] could be replaced with other symbol but should be same as search symbol
		$keywords=array(
			"[keyword_1]",
			"[key_word_2]",
			"[Key_Word 3]",
			"[key word4]"
		);
		// replacement data
		$replacement=array(
			"newkeyword1",
			"newkeyword2",
			"newkeyword3",
			"newkeyword4"
		);
		
	// replacing data with keywords
	$xml_content = str_replace($keywords,$replacement,$xml_content);
	
	// write data back to main docx file
	if($zip->addFromString('word/document.xml', $xml_content) !== FALSE){
		echo "File written successfully";
	}else {
		echo "Unable to write file";
	}
	$zip->close();
?>

Thank you for sharing, and for images there is any way to replace image Or add images to word document using xml ?