Markdown - cheatsheet

# H1
## H2
### H3
#### H4
##### H5
###### H6

*italic*
**bold**
***bold italic***
~~strikethrough~~

<!--- this might not work everywhere -->
==highlight yellow==

[An embedded link](https://www.pilabor.com "Link title")

[A link referenced by number][1]
[1]: https://www.pilabor.com

[A link referenced by name]
[A link referenced by name]: https://www.pilabor.com

![embedded alt text](https://picsum.photos/200 "embedded title text")


![referenced alt text][my-image]
[my-image]: https://picsum.photos/200 "referenced title text"

> This is one multiline
> blockquote

> this is a blockquote
>> this is a nested blockquote

This is a footnote[^1], that might not work everywhere

[^1]: Footnotes can be used to give details at the bottom of a page

\*literal asterisks - not italic\*
Escaping backticks might work different: `` or \`

<!--- unordered lists -->
- unordered list item 1
  - sub item
- unordered list item 2

<!--- ordered lists -->
1. ordered list item
   - unordered sub item
2. ordered list item

<!--- split lists (different lists following up each other) -->
- list one - item 1
  ^
- list two - item A
  ^
- list three - item _i_

<!--- task lists (with checkboxes) - this might not work everywhere -->
- [x] completed task
- [ ] open task
- [x] another completed task

Horizontal rules can be done like this: 

---

# We need to do something very complex here

an acronym with multiple color letters: 
<span style="color:red;">R</span>
<span style="color:green;">G</span>
<span style="color:blue;">B</span>

<!--- github variant -->
<details><summary>Show more...</summary>
here are some details
</details>

<!--- stackoverflow variant -->
>! A multi-line spoiler  
>! contains ! multiple times

| First Column (align left) | Second Column (center) | Third Column (align right) |
| ------------------------- |:----------------------:| --------------------------:|
|^---no colon align left---^|^---two colons center--^|^-right colon aligns right-^|
| Second line, col 1        | Second line, col 2     | Second line, col 3         |

`inline code`

``` 
// code block
```

```php
// php highlighted code block
// available highlighters depend on your environment
// for a list of them, see bottom of the page
```

<!--- markdown to show how to use code in markdown (INCEPTION - more backticks nest more layers)-->
# Here is how to highlight code
````markdown
My code looks like this
```php
<?php
echo "hello world!";
```
````