NAME
Mojo::JSON - Minimalistic JSON
SYNOPSIS
use Mojo::JSON qw(decode_json encode_json);
my $bytes = encode_json {foo => [1, 2], bar => 'hello!', baz => \1};
my $hash = decode_json $bytes;DESCRIPTION
Mojo::JSON is a minimalistic and possibly the fastest pure-Perl implementation of RFC 8259.
It supports normal Perl data types like scalar, array reference, hash reference and will try to call the TO_JSON method on blessed references, or stringify them if it doesn't exist. Differentiating between strings and numbers in Perl is hard, depending on how it has been used, a scalar can be both at the same time. The string value has a higher precedence unless both representations are equivalent.
[1, -2, 3] -> [1, -2, 3]
{"foo": "bar"} -> {foo => 'bar'}Literal names will be translated to and from Mojo::JSON constants or a similar native Perl value.
true -> Mojo::JSON->true
false -> Mojo::JSON->false
null -> undefIn addition scalar references will be used to generate booleans, based on if their values are true or false.
\1 -> true
\0 -> falseThe character / will always be escaped to prevent XSS attacks.
"</script>" -> "<\/script>"For better performance the optional module Cpanel::JSON::XS (4.09+) will be used automatically if possible. This can also be disabled with the MOJO_NO_JSON_XS environment variable.
FUNCTIONS
Mojo::JSON implements the following functions, which can be imported individually.
decode_json
my $value = decode_json $bytes;Decode JSON to Perl value and die if decoding fails.
encode_json
my $bytes = encode_json {i => '♥ mojolicious'};Encode Perl value to JSON.
false
my $false = false;False value, used because Perl has no native equivalent.
from_json
my $value = from_json $chars;Decode JSON text that is not UTF-8 encoded to Perl value and die if decoding fails.
j
my $bytes = j [1, 2, 3];
my $bytes = j {i => '♥ mojolicious'};
my $value = j $bytes;Encode Perl data structure (which may only be an array reference or hash reference) or decode JSON, an undef return value indicates a bare null or that decoding failed.
to_json
my $chars = to_json {i => '♥ mojolicious'};Encode Perl value to JSON text without UTF-8 encoding it.
true
my $true = true;True value, used because Perl has no native equivalent.