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@ 2014-06-23T17:29:31Z

<?php

if (!function_exists('json_last_error_msg')) {
    function json_last_error_msg() {
        static $errors = array(
            JSON_ERROR_NONE             => null,
            JSON_ERROR_DEPTH            => 'Maximum stack depth exceeded',
            JSON_ERROR_STATE_MISMATCH   => 'Underflow or the modes mismatch',
            JSON_ERROR_CTRL_CHAR        => 'Unexpected control character found',
            JSON_ERROR_SYNTAX           => 'Syntax error, malformed JSON',
            JSON_ERROR_UTF8             => 'Malformed UTF-8 characters, possibly incorrectly encoded'
        );
        $error = json_last_error();
        return array_key_exists($error, $errors) ? $errors[$error] : "Unknown error ({$error})";
    }
}

echo json_decode("2014-06-06");
echo json_last_error_msg();
?>

Output for git.master, git.master_jit, rfc.property-hooks: Syntax error

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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