PHP code example of diderich / metadata

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

diderich / metadata example snippets

$metadata = new \Holiday\Metadata();

$metadata->read(FILENAME);
$data = $metadata->get(\Holiday\Metadata::FIELD_ID);

 
$metadata->set(\Holiday\Metadata::FIELD_ID, NEW_DATA); 
$metadata->write(NEW_FILENAME);

$metadata = new \Holiday\Metadata();

$metadata->read(FILENAME);
$metadata->paste(PASTE_FILENAME);

// Retrieve the default data
$caption = $metadata->get(\Holiday\Metadata::CAPTION, lang: \Holiday\Metadata::LANG_DEFAULT);

// Retrieve the data in a specific language, e.g., 'de-de' (German)
$caption = $metadata->get(\Holiday\Metadata::CAPTION, lang: 'de-de');

// Retrieve the data in all available languages (an array, indexed with the respective language identifier is returned)
$caption_ary = $metadata->get(\Holiday\Metadata::CAPTION, lang: \Holiday\Metadata::LANG_ALL);

// Create an instance of the Metadata class
$metadata = new \Holiday\Metadata();

try {
  // Read metadata from the image file FILENAME
  $metadata->read(FILENAME);

  // Read some of the metadata (assuming metadata is available)
  $caption = $metadata->get(\Holiday\Metadata::CAPTION, lang: \Holiday\Metadata::LANG_DEFAULT);
  $caption_ary = $metadata->get(\Holiday\Metadata::CAPTION);
  $date_created = $metadata->get(\Holiday\Metadata::CREATED_DATETIME);
  $credit = $metadata->get(\Holiday\Metadata::CREDIT);
  $city = $metadata->get(\Holiday\Metadata::CITY);
  $country = $metadata->get(\Holiday\Metadata::COUNTRY);
  $people = $metadata->get(\Holiday\Metadata::PEOPLE);
  $keywords = $metadata->get(\Holiday\Metadata::KEYWORDS);
  $event = $metadata->get(\Holiday\Metadata::EVENT);
  if(!empty($caption_ary)) {
    echo "CAPTION:".PHP_EOL;
    foreach($caption_ary as $lang => $text) 
      echo "   $lang: $text".PHP:EOL;
  }
  if($credit !== false) echo "CREDIT:   $credit".PHP_EOL;
  if($city !== false && $country !== false) echo "PLACE:    $city, $country".PHP_EOL;
  if($date_created !== false) echo "CREATED:  ".date('d.m.Y', $date_created).PHP_EOL;
  if($event !== false) echo "EVENT:    $event".PHP_EOL;
  if($keywords !== false) echo "KEYWORDS: ".implode(', ', $keywords).PHP_EOL;
  if($people !== false) echo "PEOPLE:   ".implode(', ', $people).PHP_EOL;

  // Update some data
  if($caption !== false && $date_created !== false && $city !== false && $country !== false && $credit !== false) {
    $caption = strtoupper($city).', '.strtoupper($country).' - '.strtoupper(date('F d', $date_created)).': '.
      $caption.' (Photo by '.$credit.')';
    $metadata->set(\Holiday\Metadata::CAPTION, $caption, lang: \Holiday\Metadata::LANG_DEFAULT);
  }
  if($event !== false) $metadata->set(\Holiday\Metadata::EVENT, strtoupper($event));


  // Write metadata back to the image file
  $metadata->write(FILENAME);

  // Paste user modifiable metadata do a different file
  $metadata->paste(ALTERNATE_FILE);