Line breaks in strings inside ini files result in an error when using INI_SCANNER_RAW with parse_ini_file or parse_ini_string

Description

I don't think there should be a difference in the parsing of string literals in INI files between INI_SCANNER_RAW and other scanner modes. "abcd" is parsed the same, it should be as consistant with "ab\ncd".

The following code:

<?php

$ini = <<<EOF
a=42
b="line 1
line 2"
EOF;

var_dump(parse_ini_string($ini, false, INI_SCANNER_NORMAL));
var_dump(parse_ini_string($ini, false, INI_SCANNER_TYPED));
var_dump(parse_ini_string($ini, false, INI_SCANNER_RAW));

Resulted in this output:

array(2) {
  ["a"]=>
  string(2) "42"
  ["b"]=>
  string(13) "line 1
line 2"
}
array(2) {
  ["a"]=>
  int(42)
  ["b"]=>
  string(13) "line 1
line 2"
}

Warning: syntax error, unexpected '"' in Unknown on line 3
 in /in/RTv1g on line 11
bool(false)

But I expected this output instead:

array(2) {
  ["a"]=>
  string(2) "42"
  ["b"]=>
  string(13) "line 1
line 2"
}
array(2) {
  ["a"]=>
  int(42)
  ["b"]=>
  string(13) "line 1
line 2"
}
array(2) {
  ["a"]=>
  string(2) "42"
  ["b"]=>
  string(13) "line 1
line 2"
}

Demo: https://3v4l.org/RTv1g/rfc#vgit.master

PHP Version

all, including master

Operating System

No response

使用提供的 PHP heredoc 重现该行为，并比较 parse_ini_string 在 INI_SCANNER_NORMAL、INI_SCANNER_TYPED 和 INI_SCANNER_RAW 下的结果；然后追踪 parse_ini_file 和 parse_ini_string 的 INI 解析器入口点。完成标准是：多行带引号字符串能够在 RAW 中被接受，并且其值与其他扫描器模式中的相同，同时为该示例提供回归覆盖。