Strings

1
// Generate a random string of length 10
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$random_string = cbo_random_string();
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echo $random_string; // e.g., "a3b2c7d9e8"
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// Generate a random string of length 16
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$random_string = cbo_random_string(16);
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echo $random_string; // e.g., "a3b2c7d9e8f1g6h5"
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// Use as a unique identifier
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$unique_id = 'element-' . cbo_random_string(8);
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echo '<div id="' . $unique_id . '">Content</div>';

1
// Truncate text to 50 characters
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$text = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.';
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$truncated = cbo_truncate($text, 50);
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echo $truncated; // "Lorem ipsum dolor sit amet, consectetur adipiscing..."
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// Truncate a post excerpt
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function custom_excerpt($post_id, $length = 150) {
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  $post = get_post($post_id);
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  $content = $post->post_content;
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  // Strip shortcodes
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  $content = strip_shortcodes($content);
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  // Strip HTML tags
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  $content = strip_tags($content);
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  // Truncate
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  return cbo_truncate($content, $length);
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}
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// Usage
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$excerpt = custom_excerpt(123, 100);
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echo $excerpt;

1
// Generate a unique token for password reset
2
function generate_password_reset_token($user_id) {
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  $token = cbo_random_string(32);
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  // Store the token in user meta with expiration
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  $expiration = time() + 24 * HOUR_IN_SECONDS; // 24 hours
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  update_user_meta($user_id, 'password_reset_token', $token);
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  update_user_meta($user_id, 'password_reset_expiration', $expiration);
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  return $token;
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}
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// Verify a password reset token
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function verify_password_reset_token($user_id, $token) {
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  $stored_token = get_user_meta($user_id, 'password_reset_token', true);
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  $expiration = get_user_meta($user_id, 'password_reset_expiration', true);
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  if (empty($stored_token) || empty($expiration)) {
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    return false;
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  }
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  if (time() > $expiration) {
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    // Token has expired
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    delete_user_meta($user_id, 'password_reset_token');
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    delete_user_meta($user_id, 'password_reset_expiration');
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    return false;
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  }
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  return $token === $stored_token;
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}
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// Usage
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$user_id = 123;
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$token = generate_password_reset_token($user_id);
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$reset_url = add_query_arg(['user_id' => $user_id, 'token' => $token], wp_login_url());
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echo 'Password reset link: ' . $reset_url;

1
// Create previews for a list of posts
2
function display_post_previews($posts, $excerpt_length = 150) {
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  if (empty($posts)) {
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    return;
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  }
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  echo '<div class="post-previews">';
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  foreach ($posts as $post) {
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    // Get post data
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    $title = get_the_title($post);
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    $permalink = get_permalink($post);
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    $content = get_the_content(null, false, $post);
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    $content = strip_shortcodes($content);
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    $content = strip_tags($content);
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    // Truncate content
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    $excerpt = cbo_truncate($content, $excerpt_length);
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    // Display post preview
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    echo '<div class="post-preview">';
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    echo '<h3><a href="' . $permalink . '">' . $title . '</a></h3>';
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    echo '<div class="excerpt">' . $excerpt . '</div>';
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    echo '<a href="' . $permalink . '" class="read-more">Read more</a>';
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    echo '</div>';
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  }
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  echo '</div>';
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}
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// Usage
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$recent_posts = get_posts(['numberposts' => 5]);
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display_post_previews($recent_posts, 120);