2025-02-26 10:13:24 +08:00

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## Writers
### MathML
The name of the writer is `MathML`.
``` php
<?php
use PhpOffice\Math\Element;
use PhpOffice\Math\Math;
use PhpOffice\Math\Writer\MathML;
$math = new Math();
$math->add(new Element\Operator('+'));
$writer = new MathML();
$output = $writer->write($math);
```
### OfficeMathML
The name of the writer is `OfficeMathML`.
``` php
<?php
use PhpOffice\Math\Element;
use PhpOffice\Math\Math;
use PhpOffice\Math\Writer\OfficeMathML;
$math = new Math();
$math->add(new Element\Operator('+'));
$writer = new OfficeMathML();
$output = $writer->write($math);
```
## Methods
### writer
The method has one parameter :
* `PhpOffice\Math\Math` **$math**
The method returns a `string`.