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Filename : fix_images2.php
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<?php
// Fix extension mismatch: rename .png->.jpg, betulkan _wp_attached_file, regenerate saiz sebagai JPEG.
if (!defined('WP_CLI')) { echo "Run via wp eval-file\n"; return; }
require_once ABSPATH . 'wp-admin/includes/image.php';

$atts = get_posts(array('post_type'=>'attachment','numberposts'=>-1,'post_status'=>'any'));
$done = 0;
foreach ($atts as $att) {
  $file = get_attached_file($att->ID);
  if (!$file || !file_exists($file)) continue;
  $info = @getimagesize($file);
  if (!$info) continue;
  $dir = dirname($file);
  $base = pathinfo($file, PATHINFO_FILENAME);
  $ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));

  // padam SEMUA fail saiz lama (png & jpg) untuk basename ini
  foreach (glob($dir . '/' . $base . '-*x*.{png,jpg,jpeg,webp}', GLOB_BRACE) as $old) { @unlink($old); }

  // pastikan kandungan = JPEG (dah ditukar pusingan lepas; jaga-jaga)
  if ($info['mime'] !== 'image/jpeg') {
    $im = @imagecreatefromstring(file_get_contents($file));
    if ($im) { imagejpeg($im, $file, 82); imagedestroy($im); }
  }

  // rename ke .jpg jika perlu
  if ($ext !== 'jpg') {
    $newfile = $dir . '/' . $base . '.jpg';
    if (@rename($file, $newfile)) {
      $rel = _wp_relative_upload_path($newfile);
      update_post_meta($att->ID, '_wp_attached_file', $rel);
      $file = $newfile;
    }
  }
  wp_update_post(array('ID'=>$att->ID, 'post_mime_type'=>'image/jpeg'));
  $meta = wp_generate_attachment_metadata($att->ID, $file);
  if ($meta) wp_update_attachment_metadata($att->ID, $meta);
  $large = !empty($meta['sizes']['large']['file']) ? $meta['sizes']['large']['file'] : '(tiada large)';
  WP_CLI::log(basename($file) . ' | large: ' . $large);
  $done++;
}
WP_CLI::success("Dibaiki: $done attachment");