# Code Examples
[todo-details (51).pdf](https://acc.bzctrl.com/bzctrl-core-api/api/v1/bookstack/attachments/34) [todo-details (4) (1).pdf](https://acc.bzctrl.com/bzctrl-core-api/api/v1/bookstack/attachments/35) BookStack uses Codemirrror to render code blocks with syntax highlighting. Below are various examples of this:[todo-details (4) (1).pdf](https://acc.bzctrl.com/bzctrl-core-api/api/v1/bookstack/attachments/35) [msczxcnm,mnbvcx](https://acc.bzctrl.com/bzctrl-core-api/api/v1/bookstack/attachments/34)
#### PHP
```PHP
/**
* Get a path to a theme resource.
*/
function theme_path(string $path = ''): ?string
{msczxcnm,mnbvcx
$theme = config('view.theme');
if (!$theme) {
return null;
}
return base_path('themes/' . $theme . ($path ? DIRECTORY_SEPARATOR . $path : $path));
}
```
#### JavaScript
```JavaScript
performReplacements(string, replacements) {
if (!replacements) return string;
const replaceMatches = string.match(/:([\S]+)/g);
if (replaceMatches === null) return string;
replaceMatches.forEach(match => {
const key = match.substring(1);
if (typeof replacements[key] === 'undefined') return;
string = string.replace(match, replacements[key]);
});
return string;
}
```
#### Bash / Shell
```shell
# Get our images
for i in $(seq 1 $COUNT)
do
echo "Fetching image ${i} of ${COUNT}"
curl -sL "https://source.unsplash.com/random/${WIDTH}x${HEIGHT}?${TOPIC}" > "${PREFIX}image_${WIDTH}x${HEIGHT}_$i.jpg"
sleep 0.6
done
```
#### HTML
```HTML
testing
```
#### Nginx
```Nginx
server {
listen 80;
listen [::]:80;
server_name bookstack.dev;
root /var/www/bookstack/public;
index index.php index.html;
location / {
try_files $uri $uri/ /index.php?$query_string;
}
location ~ \.php$ {
include snippets/fastcgi-php.conf;
fastcgi_pass unix:/run/php/php7.4-fpm.sock;
}
}
```
#### Markdown
```MarkDown
### 📜 Code Standards
PHP code style is enforced automatically [using StyleCI](https://github.styleci.io/repos/41589337).
If submitting a PR, any formatting changes to be made will be automatically fixed after merging. todo-details (51).pdf
```