Feedback form

perfect.css

/* PERFECT PHP - centerkey.com/php - MIT or WTFPL (your choice) */

/* PERFECT style */
form.perfect { max-width: 25em; background-color: whitesmoke; color: dimgray; border: 1px solid; border-radius: 2px; padding: 20px; margin: 0px auto 20px auto; }
form.perfect h2 { font-size: 1.2rem; text-align: center; color: white; padding: 0.3em; margin: -20px -20px 20px -20px; clear: none; }
form.perfect fieldset { border: none; padding: 0px; margin: 0px; }
form.perfect label { display: block; text-align: left; }
form.perfect input:not([type=checkbox]):not([type=radio]), form.perfect textarea { width: 100%; max-width: 100%; font-size: 1.2rem; margin: 0px 0px 15px 0px; -webkit-appearance: none; }
form.perfect input[type=checkbox], form.perfect input[type=radio] { font-size: 1.2rem; margin: 0px 0.5em 0.2em 1.5em; }
form.perfect label:last-of-type input { margin-bottom: 20px; }
form.perfect select { font-size: 1.2rem; }
form.perfect textarea { height: 4.1em; }
form.perfect input, form.perfect textarea { box-sizing: border-box; border: 1px solid silver; border-radius: 5px; padding: 0.3em; }
form.perfect p { display: flex; justify-content: space-between; align-items: flex-end; margin: 0px; }
form.perfect p button { font-size: 1.1rem; font-weight: bold; color: white; background-color: dimgray; border: none; border-radius: 0.4em; padding: 0.6em 1.2em; margin-bottom: 0px; cursor: pointer; transition: background-color 400ms; }
form.perfect p button:hover:not(:disabled) { background-color: black; }
form.perfect p span { font-size: 0.6rem; color: gray; }
form.perfect p span a { color: gray; background-color: transparent; text-decoration: none; border: none; outline: none; }

/* PERFECT colors */
form.perfect { border-color: seagreen; }                                    /* outer color */
form.perfect h2 { background-color: seagreen; }                             /* outer color */
form.perfect input, form.perfect textarea { background-color: mintcream; }  /* input fields */

perfect.html

<form class=perfect>
   <h2>Send us a message</h2>
   <label>
      <span>Message:</span>
      <textarea name=message placeholder="Enter your message"></textarea>
   </label>
   <label>
      <span>Name:</span>
      <input name=name placeholder="Enter your name">
   </label>
   <label>
      <span>Email:</span>
      <input name=email type=email placeholder="Enter your email">
   </label>
   <p>
      <span>Powered by <a href=https://centerkey.com/php>PERFECT</a></span>
      <button type=submit>Send</button>
   </p>
</form>

<script src=https://cdn.jsdelivr.net/npm/jquery@3.6/dist/jquery.min.js></script>
<script>
   $('form.perfect').attr({ method: 'post', action: 'perfect.php' });
</script>

perfect.php

<?php
///////////////////////////////////////////////////////
// PERFECT PHP v2.2.2 (April 19, 2021)               //
// Process a web form to extract the user input and  //
//    then email the data to a predefined recipient. //
// MIT License or WTFPL (your choice)                //
// https://centerkey.com/php                         //
///////////////////////////////////////////////////////

// Configuration settings
$sendFrom =    "Feedback <feedback@yourdomain.com>";
$sendTo =      "username@yourdomain.com";
$subjectLine = "Feedback Submission";
$thanksUrl =   "thanks.html";  //confirmation page

// Build message body from web form input
$lines = array($_SERVER["SERVER_NAME"], '');
foreach ($_POST as $field=>$value)
   array_push($lines, "$field: $value");
array_push($lines, '', @gethostbyaddr($_SERVER["REMOTE_ADDR"]), '');
$body = htmlspecialchars(implode(PHP_EOL, $lines), ENT_NOQUOTES);

// Send email and direct browser to confirmation page
$valid = str_word_count(reset($_POST)) > 2;  //words in first field
if ($valid)  //simplistic check to reduce spam
   mail($sendTo, $subjectLine, $body, "From: $sendFrom");
header("Location: $thanksUrl");
?>

publish.sh.command

#!/bin/bash
######################################
# PERFECT PHP                        #
# Gist developer's script            #
# MIT License or WTFPL (your choice) #
######################################

# To make this file runnable:
#     $ chmod +x *.sh.command

banner="Publish PERFECT PHP"
projectHome=$(cd $(dirname $0); pwd)
apacheCfg=/usr/local/etc/httpd
apacheLog=/usr/local/var/log/httpd/error_log
webDocRoot=$(grep ^DocumentRoot $apacheCfg/httpd.conf | awk -F'"' '{ print $2 }')

displayIntro() {
   cd $projectHome
   echo
   echo $banner
   echo $(echo $banner | sed s/./=/g)
   pwd
   version=$(grep "// PERFECT PHP v" perfect.php | awk '{ print $4 }')
   echo $version
   echo
   }

lintPhp() {
   cd $projectHome
   echo "Linting:"
   php --syntax-check *.php
   echo
   }

publishWebFiles() {
   # For debugging:
   #  echo '<pre>', var_dump($valid, $sendTo, $subjectLine, $body, "From: $sendFrom"), '</pre>';
   cd $projectHome
   publishSite=$webDocRoot/centerkey.com
   publishFolder=$publishSite/php
   publish() {
      echo "Publishing:"
      mkdir -p $publishFolder
      cp -v *.css *.php  $publishFolder
      cp -v perfect.php  $publishFolder/archive/perfect-$version.php.txt
      cp -v perfect.html $publishFolder/perfect.html.txt
      sed -e "s/Feedback/PERFECT Feedback/" -e "s/yourdomain/centerkey/" \
         -e "s/username/feedback/" perfect.php > $publishFolder/perfect-real.php
      echo
      }
   test -w $publishSite && publish
   }

launchBrowser() {
   cd $projectHome
   url=https://centerkey.com/php
   test -w $publishSite && url=http://localhost/centerkey.com/php
   echo "Opening:"
   echo $url
   sleep 2
   open $url
   echo
   }

displayIntro
lintPhp
publishWebFiles
launchBrowser