modx-formlog.php

<?php
/**
 * MODX FormLog hook to store formIt data in a jSon log file
 *
 * @author Kilian Bohnenblust (sofasurfer.org)
 * @example [[!FormIt?
 *				&hooks=`spam,formlog,email,redirect`
 *				&logfile=`[[++base_path]]assets/data/form-contact.log`
 *
 */
  
 	/* path to data file */
	$logFile = $modx->getOption('logfile',$scriptProperties,$modx->getOption('logfile'));
 	
 	/* variable for error message */
 	$errorMessage = false;
 	
	/* setup default properties */
	$type = $modx->getOption('type',$scriptProperties,'');

	/* check if form file exist */
	if( file_exists($logFile) ){
	
		/* get form from file */
		$formText = file_get_contents($logFile);
	
		/* create array list from form */
		$formList = json_decode($formText,true);
	}
 
 	/* get form data */
 	$formValues = $hook->getValues();
 	$formValues['clientip'] = $_SERVER['REMOTE_ADDR'];
 	$formValues['logtime'] = time(); 	
		 	

	/* add form date to array */
	$formList['formdata'][] = $formValues;

	/* convert form to string */
	$formText = json_encode($formList);

	/* save comment to file */
	if( file_put_contents($logFile, $formText) == false ){

		/* return error */
		$hook->addError("error_message","Form data could bot be saved to " . $logFile );
		return false;	
	
	}else{

		return true;
		
	}