AnkietyGO/questions/functions.php

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<?php
/**
* Helper functions for plugin
* @author awesome.ug, Author <support@awesome.ug>
* @package Questions/Core
* @version 1.0.0
* @since 1.0.0
* @license GPL 2
Copyright 2015 awesome.ug (support@awesome.ug)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2, as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/*
* Getting Plugin Template
* @since 1.0.0
*/
if ( defined( 'QUESTIONS_FOLDER' ) ):
function qu_locate_template( $template_names, $load = FALSE, $require_once = TRUE ) {
$located = locate_template( $template_names, $load, $require_once );
if ( '' == $located ):
foreach ( ( array ) $template_names as $template_name ):
if ( ! $template_name ) {
continue;
}
if ( file_exists( QUESTIONS_FOLDER . '/templates/' . $template_name ) ):
$located = QUESTIONS_FOLDER . '/templates/' . $template_name;
break;
endif;
endforeach;
endif;
if ( $load && '' != $located ) {
load_template( $located, $require_once );
}
return $located;
}
endif;
/**
* Getting standard mailtext strings
* @param string $mailtext_title Type of mailtext which have to be chosen
* @return string $mailtext Mailtext as String
*/
function qu_get_mail_template_text( $mailtext_title ) {
$text = '';
switch ( $mailtext_title ) {
case 'thankyou_participating':
$text = stripslashes( get_option( 'questions_thankyou_participating_text_template' ) );
if ( empty( $text ) ):
$text = esc_attr__(
'Dear %username%,
thank you for participating on the survey "%survey_title%". Your survey data was saved successfully.
Best regards,
%site_name%', 'questions-locale'
);
endif;
break;
case 'invitation':
$text = stripslashes( get_option( 'questions_invitation_text_template' ) );
if ( empty( $text ) ):
$text = esc_attr__(
'Dear %username%,
you have been invited to participate to the survey "%survey_title%". Participate here:
%survey_url%
Best regards,
%site_name%', 'questions-locale'
);
endif;
break;
case 'reinvitation':
$text = stripslashes( get_option( 'questions_reinvitation_text_template' ) );
if ( empty( $text ) ):
$text = esc_attr__(
'Dear %username%,
the survey "%survey_title%" is not finished yet. Please fill out and finish the survey. Participate here:
%survey_url%
Best regards,
%site_name%', 'questions-locale'
);
endif;
break;
}
return $text;
}
/**
* Getting standard mailsubject strings
* @param string $mailtext_title Type of mail subject which have to be chosen
* @return string $mailtext Mail subject as String
*/
function qu_get_mail_template_subject( $mailsubject_title ) {
$text = '';
switch ( $mailsubject_title ) {
case 'thankyou_participating':
$text = stripslashes( get_option( 'questions_thankyou_participating_subject_template' ) );
if ( empty( $text ) ):
$text = esc_attr__( 'Thank you for participating!', 'questions-locale' );
endif;
break;
case 'invitation':
$text = stripslashes( get_option( 'questions_invitation_subject_template' ) );
if ( empty( $text ) ):
$text = esc_attr__( 'You are invited to answer a survey', 'questions-locale' );
endif;
break;
case 'reinvitation':
$text = stripslashes( get_option( 'questions_reinvitation_subject_template' ) );
if ( empty( $text ) ):
$text = esc_attr__( 'Don´t forget to answer the Survey', 'questions-locale' );
endif;
break;
}
return $text;
}
/**
* Get mail sender settings
* @param $option string Mail sender option to get
* @return mixed $setting Setting
*/
function qu_get_mail_settings( $option ) {
$setting = '';
switch ( $option ) {
case 'from_name':
$setting = stripslashes( get_option( 'questions_mail_from_name' ) );
if ( empty( $setting ) ):
$setting = get_option( 'blogname' );
endif;
break;
case 'from_email':
$setting = stripslashes( get_option( 'questions_mail_from_email' ) );
if ( empty( $setting ) ):
$setting = get_option( 'admin_email' );
endif;
break;
}
return $setting;
}
/**
* Shortener to get email return name from options
* @return string $from_name "From" name
*/
function qu_change_email_return_name() {
return qu_get_mail_settings( 'from_name' );
}
/**
* Shortener to get email return address from options
* @return string $from_email "From" email address
*/
function qu_change_email_return_address() {
return qu_get_mail_settings( 'from_email' );
}
/**
* Own Email function
* @param string $to_email Mail address for sending to
* @param string $subject Subject of mail
* @param string $content
* @return bool
*/
function qu_mail( $to_email, $subject, $content ) {
add_filter( 'wp_mail_from_name', 'qu_change_email_return_name' );
add_filter( 'wp_mail_from', 'qu_change_email_return_address' );
$result = wp_mail( $to_email, $subject, $content );
// Logging
$content = str_replace( chr( 13 ), '', strip_tags( $content ) );
qu_create_log_entry( array( $to_email, $subject, $content ) );
remove_filter( 'wp_mail_from_name', 'qu_change_email_return_name' );
remove_filter( 'wp_mail_from', 'qu_change_email_return_address' );
return $result;
}
/**
* Base logging function
* @param array $values The values which have to be saved
*/
function qu_create_log_entry( $values ) {
if ( ! is_array( $values ) ) {
return;
}
$line = date( 'Y-m-d;H:i:s;' );
foreach ( $values AS $value ):
$line .= $value . ';';
endforeach;
$line = str_replace( array( "\r\n", "\n\r", "\n", "\r" ), ' ', $line );
$line .= chr( 13 );
$logdir = WP_CONTENT_DIR . '/logs/';
if ( ! file_exists( $logdir ) ) {
mkdir( $logdir );
}
$logfile = $logdir . 'questions.log';
$file = fopen( $logfile, 'a' );
fwrite( $file, $line );
fclose( $file );
}
/**
* Preparing input data
* @param string $data
* @return string $data
*/
function qu_prepare_post_data( $data ){
// Do not preparing objects or arrays
if( is_object( $data ) || is_array( $data ) )
return $data;
$data = trim( $data );
$data = stripslashes( $data );
return $data;
}
/**
* Creates a random id
* @return string $id ID string
*/
function qu_id(){
$id = md5( rand() );
return $id;
}
/**
* Debugging helper function
*/
if( !function_exists( 'p' ) ){
function p( $var ){
echo '<pre>';
print_r( $var );
echo '</pre>';
}
}