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PHP Documentation Parser

This package downloads gziped documentation from php.net, parses it and outputs all found functions as JSON with Markdown syntax. It comes with CLI interface for comfortable usage.

Installation

Add martinsik/php-doc-parser to your composer.json dependencies:

Then run composer.phar install.

Usage

As a CLI script

Composer adds doc-parser file to your directory with binaries (vendor/bin by default). Run it and follow the instructions on the screen.

$ vendor/bin/doc-parser

Results are saved into output directory by default. This creates following files (names are generated by selected language and mirror):

• en_php_net.json - Very large associative array with all parsed functions and their data. See sample output bellow.
• en_php_net.list.json - List of all function names in lowercase.
• en_php_net.examples.json (optional) - If you chose to export examples it'll put them into a separate file.

For full list of options run:

$ vendor/bin/doc-parser help parser:run

As a 3rd party package

Create an instance of DocParser\Package class to set language and mirror you want to parse and it'll download and unpack the documentation for you. Then give the DocParser\Parser directory with files you want to parse and it'll return a DocParser\ParserResult object with all data as arrays.

Sample output

This is what DateTime::setDate looks like deep inside en_php_net.json.

{
    "abs": { ... },
    "array_pop": { ... },
    ...
    "datetime::add": { ... },
    "datetime::setdate": {
        "desc": "Sets the date.",
        "long_desc": "Resets the current date of the DateTime object to a different date.",
        "ver": "PHP 5 >= 5.2.0",
        "ret_desc": "Returns the DateTime object for method chaining or FALSE on failure.",
        "seealso": [
            "DateTime::setISODate",
            "DateTime::setTime"
        ],
        "filename": "datetime.setdate",
        "params": [
            {
                "list": [
                    {
                        "type": "int",
                        "var": "$year",
                        "beh": "required",
                        "desc": "Year of the date."
                    },
                    {
                        "type": "int",
                        "var": "$month",
                        "beh": "required",
                        "desc": "Month of the date."
                    },
                    {
                        "type": "int",
                        "var": "$day",
                        "beh": "required",
                        "desc": "Day of the date."
                    }
                ],
                "name": "DateTime::setDate",
                "ret_type": "DateTime"
            },
            {
                "list": [
                    {
                        "type": "DateTime",
                        "var": "$object",
                        "beh": "required",
                        "desc": "Procedural style only: A DateTime object returned by date\\_create(). The function modifies this object."
                    },
                    {
                        "type": "int",
                        "var": "$year",
                        "beh": "required",
                        "desc": "Year of the date."
                    },
                    {
                        "type": "int",
                        "var": "$month",
                        "beh": "required",
                        "desc": "Month of the date."
                    },
                    {
                        "type": "int",
                        "var": "$day",
                        "beh": "required",
                        "desc": "Day of the date."
                    }
                ],
                "name": "date_date_set",
                "ret_type": "DateTime"
            }
        ],
        "examples": [
            {
                "title": "DateTime::setDate() example",
                "source": "$date = new DateTime();\n$date->setDate(2001, 2, 3);\necho $date->format('Y-m-d');",
                "output": "2001-02-03"
            },
            {
                "title": "Values exceeding ranges are added to their parent values",
                "source": "$date = new DateTime();\n\n$date->setDate(2001, 2, 28);\necho $date->format('Y-m-d') . \"\\n\";\n\n$date->setDate(2001, 2, 29);\necho $date->format('Y-m-d') . \"\\n\";\n\n$date->setDate(2001, 14, 3);\necho $date->format('Y-m-d') . \"\\n\";",
                "output": "2001-02-28\n2001-03-01\n2002-02-03"
            }
        ]
    },
    "date_date_set": "DateTime::setDate",
    "datedime::createfromformat": { ... },
    "date_create_from_format": "DateTime::createFromFormat",
    ...
    "strpos": { ... }
    "tempnam": { ... }
    ...
}

Note that this function has two different definitions, DateTime::setDate and date_date_set, where each takes different parameters. In order to be able to search both functions there are two keys for this function, where the second key, date_date_set, is just a reference to the first one. Also, all keys are lowercase.

Why?

I use this script to generate "database" for my Google Chrome Extension called PHP Ninja Manual.

By the way there's an official PHP Documentation generator for IDEs, but when I started developing my extension it didn't exist. I don't know what are its capabilities now but maybe it's worth a try.

Known limitations

• There are no PHP statements (for, if, while, ...)
• It's not able to recognize objective or procedural style in classes like in mysqli.

Testing

This package uses Behat for testing. Run tests with:

$ bin/behat

License

PHP Documentation Parser (this package) is licensed under MIT license.

PHP Documentation pages (php.net/docs.php) are licensed under Creative Commons Attribution 3.0 License.