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@ 2016-01-09T15:34:48Z

<?php

$str = <<<END
{
    "swagger": "2.0",
    "paths": {
        "/": {
            "get": {
                "responses": {
                    "200": {
                        "description": "OK"
                    }
                }
            }
        }
    },
    "definitions": {
        "Pet": {
            "type": "object",
            "required": [
                "id"
            ],
            "properties": {
                "id": {
                    "type": "integer",
                    "format": "int64"
                }
            }
        },
        "Dog": {
            "type": "object",
            "allOf": [
                {
                    "$ref": "#/definitions/Pet"
                },
                {
                    "required": [
                        "name"
                    ],
                    "properties": {
                        "name": {
                            "type": "string"
                        }
                    }
                }
            ],
            "x-vendor-ext": "some data"
        }
    }
}
END;

$str = str_replace("\t", "  ", $str);
$str = str_replace('"', '\"', $str);
$lines = explode("\n", $str);

foreach($lines as &$l) {
    $l = '"' . $l;
}

echo implode('\n" +' . "\n", $lines) . '";';

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Undefined variable $ref in /in/IEPWM on line 34 "{\n" + " \"swagger\": \"2.0\",\n" + " \"paths\": {\n" + " \"/\": {\n" + " \"get\": {\n" + " \"responses\": {\n" + " \"200\": {\n" + " \"description\": \"OK\"\n" + " }\n" + " }\n" + " }\n" + " }\n" + " },\n" + " \"definitions\": {\n" + " \"Pet\": {\n" + " \"type\": \"object\",\n" + " \"required\": [\n" + " \"id\"\n" + " ],\n" + " \"properties\": {\n" + " \"id\": {\n" + " \"type\": \"integer\",\n" + " \"format\": \"int64\"\n" + " }\n" + " }\n" + " },\n" + " \"Dog\": {\n" + " \"type\": \"object\",\n" + " \"allOf\": [\n" + " {\n" + " \"\": \"#/definitions/Pet\"\n" + " },\n" + " {\n" + " \"required\": [\n" + " \"name\"\n" + " ],\n" + " \"properties\": {\n" + " \"name\": {\n" + " \"type\": \"string\"\n" + " }\n" + " }\n" + " }\n" + " ],\n" + " \"x-vendor-ext\": \"some data\"\n" + " }\n" + " }\n" + "}";

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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