The mutators for flags all return the JSON::PP object again and thus calls can be chained: my $json = JSON::PP->new->utf8->space_after->encode( relaxed $json = $json->relaxed() All boolean flags described below are by default disabled (with the exception of allow_nonref, which defaults to enabled since version 4.0). new $json = JSON::PP->newĬreates a new JSON::PP object that can be used to de/encode JSON strings. The object oriented interface lets you configure your own encoding or decoding style, within the limits of supported formats. This section is also taken from JSON::XS. See MAPPING, below, for more information on how JSON values are mapped to Perl. Returns true if the passed scalar represents either JSON::PP::true or JSON::PP::false, two constants that act like 1 and 0 respectively and are also used to represent JSON true and false in Perl strings. JSON::PP::is_bool $is_boolean = JSON::PP::is_bool($scalar) This function call is functionally identical to: $perl_scalar = JSON::PP->new->utf8->decode($json_text)Įxcept being faster. The opposite of encode_json: expects an UTF-8 (binary) string and tries to parse that as an UTF-8 encoded JSON text, returning the resulting reference. decode_json $perl_scalar = decode_json $json_text

This function call is functionally identical to: $json_text = JSON::PP->new->utf8->encode($perl_scalar)Įxcept being faster. encode_json $json_text = encode_json $perl_scalarĬonverts the given Perl data structure to a UTF-8 encoded, binary string (that is, the string contains octets only). encode_json and decode_json are exported by default. This section is taken from JSON::XS almost verbatim. JSON::PP has been in the Perl core since Perl 5.14, mainly for CPAN toolchain modules to parse META.json. If you need JavaScript-friendly RFC7159-compliant pure perl module, try JSON::Tiny, which is derived from Mojolicious web framework and is also smaller and faster than JSON::PP. not to escape extra characters such as U+2028 and U+2029, etc), in order for you not to lose such JavaScript-friendliness silently when you use JSON.pm and install JSON::XS for speed or by accident. JSON::PP works as a fallback module when you use JSON module without having installed JSON::XS.īecause of this fallback feature of JSON.pm, JSON::PP tries not to be more JavaScript-friendly than JSON::XS (i.e. JSON::PP is a pure perl JSON decoder/encoder, and (almost) compatible to much faster JSON::XS written by Marc Lehmann in C. # JSON::XS or JSON::PP, so you should be able to just:

# Note that JSON version 2.0 and above will automatically use $perl_scalar = $json->decode( $json_text ) $pretty_printed_json_text = $json->encode( $perl_scalar ) $json = JSON::PP->new->ascii->pretty->allow_nonref $perl_hash_or_arrayref = decode_json $utf8_encoded_json_text

$utf8_encoded_json_text = encode_json $perl_hash_or_arrayref # exported functions, they croak on error JSON::PP - JSON::XS compatible pure-Perl module.

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