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function webp_requirements in WebP 8

Implements hook_requirements().

File

./webp.install, line 11
Contains install and update functions for WebP.

Code

function webp_requirements($phase) {
  $requirements = [];

  // The existence of GD, does not mean, that it was compiled with webp
  // support. So check if it has webp capabilities. Otherwise prevent the
  // installation or show an error on the status page.
  $gd_info = gd_info();

  // Let's convert to capital case, so we ensure we always cover both.
  $supported_formats = [];
  if (extension_loaded('imagick')) {
    $supported_formats = array_map('strtoupper', Imagick::queryFormats());
  }
  if (!$gd_info['WebP Support'] && !in_array("WEBP", $supported_formats)) {
    $requirements['webp'] = [
      'title' => t('WebP'),
      'description' => t('The GD or ImageMagick library must be compiled with WebP support on your server. For more information consult the <a href=":php_documentation">PHP documentation</a>.', [
        ':php_documentation' => 'http://php.net/manual/en/book.image.php',
      ]),
      'severity' => REQUIREMENT_ERROR,
    ];
  }
  return $requirements;
}