---
name: "Mojo::Content::Single"
section: "3pm"
platform: "linux"
package: "libmojolicious-perl"
version: "9.39+dfsg-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Mojo::Content::Single"
---

# Mojo::Content::Single(3pm)

HTTP content

## NAME

Mojo::Content::Single - HTTP content

## SYNOPSIS

```
  use Mojo::Content::Single;
  my $single = Mojo::Content::Single->new;
  $single->parse("Content-Length: 12\x0d\x0a\x0d\x0aHello World!");
  say $single->headers->content_length;
```

## DESCRIPTION

Mojo::Content::Single is a container for HTTP content, based on RFC 7230 \<https://tools.ietf.org/html/rfc7230\> and RFC 7231 \<https://tools.ietf.org/html/rfc7231\>.

## EVENTS

Mojo::Content::Single inherits all events from Mojo::Content and can emit the following new ones.

### upgrade

```
  $single->on(upgrade => sub ($single, $multi) {...});
```

Emitted when content gets upgraded to a Mojo::Content::MultiPart object.

```
  $single->on(upgrade => sub ($single, $multi) {
    return unless $multi->headers->content_type =~ /multipart\/([^;]+)/i;
    say "Multipart: $1";
  });
```

## ATTRIBUTES

Mojo::Content::Single inherits all attributes from Mojo::Content and implements the following new ones.

### asset

```
  my $asset = $single->asset;
  $single   = $single->asset(Mojo::Asset::Memory->new);
```

The actual content, defaults to a Mojo::Asset::Memory object with "auto\_upgrade" in Mojo::Asset::Memory enabled.

### auto\_upgrade

```
  my $bool = $single->auto_upgrade;
  $single  = $single->auto_upgrade($bool);
```

Try to detect multipart content and automatically upgrade to a Mojo::Content::MultiPart object, defaults to a true value.

## METHODS

Mojo::Content::Single inherits all methods from Mojo::Content and implements the following new ones.

### body\_contains

```
  my $bool = $single->body_contains('1234567');
```

Check if content contains a specific string.

### body\_size

```
  my $size = $single->body_size;
```

Content size in bytes.

### clone

```
  my $clone = $single->clone;
```

Return a new Mojo::Content::Single object cloned from this content if possible, otherwise return `"undef"`.

### get\_body\_chunk

```
  my $bytes = $single->get_body_chunk(0);
```

Get a chunk of content starting from a specific position. Note that it might not be possible to get the same chunk twice if content was generated dynamically.

### new

```
  my $single = Mojo::Content::Single->new;
  my $single = Mojo::Content::Single->new(asset => Mojo::Asset::File->new);
  my $single = Mojo::Content::Single->new({asset => Mojo::Asset::File->new});
```

Construct a new Mojo::Content::Single object and subscribe to event "read" in Mojo::Content with default content parser.

### parse

```
  $single = $single->parse("Content-Length: 12\x0d\x0a\x0d\x0aHello World!");
  my $multi = $single->parse("Content-Type: multipart/form-data\x0d\x0a\x0d\x0a");
```

Parse content chunk and upgrade to Mojo::Content::MultiPart object if necessary.

## SEE ALSO

Mojolicious, Mojolicious::Guides, \<https://mojolicious.org\>.