foxnoodles · October 29, 2023 09:08
diff --git a/0-PHP-IMAGE-GALLERY.MD b/0-PHP-IMAGE-GALLERY.MD
diff --git a/1a-gallery.php b/1a-gallery.php
 <!DOCTYPE html>
 <html>
  <head>
    <title>Very Simple PHP gallery</title>
    <meta charset="utf-8">

    <!-- (A) CSS & JS -->
    <link href="1b-gallery.css" rel="stylesheet">
    <script src="1c-gallery.js"></script>
  </head>
  <body>
    <div class="gallery"><?php
      // (B) GET IMAGES IN GALLERY FOLDER
      $dir = __DIR__ . DIRECTORY_SEPARATOR . "gallery" . DIRECTORY_SEPARATOR;
      $images = glob("$dir*.{jpg,jpeg,gif,png,bmp,webp}", GLOB_BRACE);

      // (C) OUTPUT IMAGES
      foreach ($images as $i) {
        printf("<img src='gallery/%s'>", rawurlencode(basename($i)));
      }
    ?></div>
  </body>
 </html>
diff --git a/1b-gallery.css b/1b-gallery.css
 /* (A) GALLERY WRAPPER */
 /* (A1) BIG SCREENS - 3 IMAGES PER ROW */
 .gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 10px;
  max-width: 1200px;
  margin: 0 auto; /* horizontal center */
 }

 /* (A2) SMALL SCREENS - 2 IMAGES PER ROW */
 @media screen and (max-width: 640px) {
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
 }

 /* (B) THUMBNAILS */
 .gallery img {
  width: 100%;
  height: 200px;
  object-fit: cover; /* fill | contain | cover | scale-down */
  border: 1px solid #cdcdcd;
  cursor: pointer;
 }

 /* (C) FULLSCREEN IMAGE */
 .gallery img.full {
  position: fixed;
  top: 0; left: 0; z-index: 999;
  width: 100vw; height: 100vh;
  object-fit: contain; /* fill | contain | cover | scale-down */
  border: 0;
  background: #fff;
 }

 /* (D) OPTIONAL ANIMATION *
 .gallery { overflow-x: hidden; }
 .gallery img { transition: all 0.3s; } */
diff --git a/1c-gallery.js b/1c-gallery.js
 window.addEventListener("DOMContentLoaded", () => {
  // (A) GET ALL IMAGES
  var all = document.querySelectorAll(".gallery img");
  
  // (B) CLICK ON IMAGE TO TOGGLE FULLSCREEN
  if (all.length>0) { for (let img of all) {
    img.onclick = () => img.classList.toggle("full");
  }}
 });
diff --git a/2a-caption-gallery.php b/2a-caption-gallery.php
 <!DOCTYPE html>
 <html>
  <head>
    <title>Very Simple PHP gallery</title>
    <meta charset="utf-8">

    <!-- (A) CSS & JS -->
    <link href="2b-caption-gallery.css" rel="stylesheet">
    <script src="1c-gallery.js"></script>
  </head>
  <body>
    <div class="gallery"><?php
      // (B) GET IMAGES IN GALLERY FOLDER
      $dir = __DIR__ . DIRECTORY_SEPARATOR . "gallery" . DIRECTORY_SEPARATOR;
      $images = glob("$dir*.{jpg,jpeg,gif,png,bmp,webp}", GLOB_BRACE);

      // (C) OUTPUT IMAGES
      foreach ($images as $i) {
        $img = basename($i);
        $caption = substr($img, 0, strrpos($img, "."));
        printf("<figure><img src='gallery/%s'><figcaption>%s</figcaption></figure>", 
          rawurlencode($img), $caption
        );
      }
    ?></div>
  </body>
 </html>
diff --git a/2b-caption-gallery.css b/2b-caption-gallery.css
 /* (A) GALLERY CONTAINER */
 /* (A1) BIG SCREENS - 3 IMAGES PER ROW */
 .gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
 }

 /* (A2) SMALL SCREENS - 2 IMAGES PER ROW */
 @media screen and (max-width: 640px) {
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
 }

 /* (B) THUMBNAILS & CAPTION */
 .gallery figure {
  margin: 0;
  border: 1px solid #cdcdcd;
  background: #000;
 }
 .gallery img {
  width: 100%;
  height: 200px;
  object-fit: cover; /* fill | contain | cover | scale-down */
  cursor: pointer;
 }
 .gallery figcaption {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.1em;
  text-align: center;
  color: #fff;
  padding: 5px 10px;
 }

 /* (C) FULLSCREEN IMAGE */
 .gallery img.full {
  position: fixed;
  top: 0; left: 0; z-index: 999;
  width: 100vw; height: 100vh;
  object-fit: contain; /* fill | contain | cover | scale-down */
  background: #fff;
 }

 /* (D) OPTIONAL ANIMATION *
 .gallery { overflow-x: hidden; }
 .gallery img { transition: all 0.3s; } */
	<!DOCTYPE html>
	<html>
	<head>
	<title>Very Simple PHP gallery</title>
	<meta charset="utf-8">

	<!-- (A) CSS & JS -->
	<link href="1b-gallery.css" rel="stylesheet">
	<script src="1c-gallery.js"></script>
	</head>
	<body>
	<div class="gallery"><?php
	// (B) GET IMAGES IN GALLERY FOLDER
	$dir = __DIR__ . DIRECTORY_SEPARATOR . "gallery" . DIRECTORY_SEPARATOR;
	$images = glob("$dir*.{jpg,jpeg,gif,png,bmp,webp}", GLOB_BRACE);

	// (C) OUTPUT IMAGES
	foreach ($images as $i) {
	printf("<img src='gallery/%s'>", rawurlencode(basename($i)));
	}
	?></div>
	</body>
	</html>
	/* (A) GALLERY WRAPPER */
	/* (A1) BIG SCREENS - 3 IMAGES PER ROW */
	.gallery {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	grid-gap: 10px;
	max-width: 1200px;
	margin: 0 auto; /* horizontal center */
	}

	/* (A2) SMALL SCREENS - 2 IMAGES PER ROW */
	@media screen and (max-width: 640px) {
	.gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	}

	/* (B) THUMBNAILS */
	.gallery img {
	width: 100%;
	height: 200px;
	object-fit: cover; /* fill \| contain \| cover \| scale-down */
	border: 1px solid #cdcdcd;
	cursor: pointer;
	}

	/* (C) FULLSCREEN IMAGE */
	.gallery img.full {
	position: fixed;
	top: 0; left: 0; z-index: 999;
	width: 100vw; height: 100vh;
	object-fit: contain; /* fill \| contain \| cover \| scale-down */
	border: 0;
	background: #fff;
	}

	/* (D) OPTIONAL ANIMATION *
	.gallery { overflow-x: hidden; }
	.gallery img { transition: all 0.3s; } */
	window.addEventListener("DOMContentLoaded", () => {
	// (A) GET ALL IMAGES
	var all = document.querySelectorAll(".gallery img");

	// (B) CLICK ON IMAGE TO TOGGLE FULLSCREEN
	if (all.length>0) { for (let img of all) {
	img.onclick = () => img.classList.toggle("full");
	}}
	});
	/* (A) GALLERY CONTAINER */
	/* (A1) BIG SCREENS - 3 IMAGES PER ROW */
	.gallery {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	grid-gap: 10px;
	max-width: 1200px;
	margin: 0 auto;
	}

	/* (A2) SMALL SCREENS - 2 IMAGES PER ROW */
	@media screen and (max-width: 640px) {
	.gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	}

	/* (B) THUMBNAILS & CAPTION */
	.gallery figure {
	margin: 0;
	border: 1px solid #cdcdcd;
	background: #000;
	}
	.gallery img {
	width: 100%;
	height: 200px;
	object-fit: cover; /* fill \| contain \| cover \| scale-down */
	cursor: pointer;
	}
	.gallery figcaption {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 1.1em;
	text-align: center;
	color: #fff;
	padding: 5px 10px;
	}

	/* (C) FULLSCREEN IMAGE */
	.gallery img.full {
	position: fixed;
	top: 0; left: 0; z-index: 999;
	width: 100vw; height: 100vh;
	object-fit: contain; /* fill \| contain \| cover \| scale-down */
	background: #fff;
	}

	/* (D) OPTIONAL ANIMATION *
	.gallery { overflow-x: hidden; }
	.gallery img { transition: all 0.3s; } */