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bug #40187 [Console] Fix PHP 8.1 null error for preg_match flag (kylekatarnls)

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This PR was merged into the 4.4 branch.

Discussion
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[Console] Fix PHP 8.1 null error for preg_match flag

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | -
| License       | MIT
| Doc PR        | -

Since PHP 8.1, `null` is no longer accepted as `$flags` in `preg_match`, default integer `0` value should be used instead.

Commits
-------

52f02e529a [Console] Fix PHP 8.1 null error for preg_match flag
This commit is contained in:
Christian Flothmann 2021-02-15 12:24:13 +01:00
commit e62ef2adb7
1 changed files with 4 additions and 4 deletions
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8
src/Symfony/Component/Console/Input/StringInput.php
View File

@ -48,12 +48,12 @@ class StringInput extends ArgvInput
$length = \strlen($input);
$cursor = 0;
while ($cursor < $length) {
if (preg_match('/\s+/A', $input, $match, null, $cursor)) {
} elseif (preg_match('/([^="\'\s]+?)(=?)('.self::REGEX_QUOTED_STRING.'+)/A', $input, $match, null, $cursor)) {
if (preg_match('/\s+/A', $input, $match, 0, $cursor)) {
} elseif (preg_match('/([^="\'\s]+?)(=?)('.self::REGEX_QUOTED_STRING.'+)/A', $input, $match, 0, $cursor)) {
$tokens[] = $match[1].$match[2].stripcslashes(str_replace(['"\'', '\'"', '\'\'', '""'], '', substr($match[3], 1, \strlen($match[3]) - 2)));
} elseif (preg_match('/'.self::REGEX_QUOTED_STRING.'/A', $input, $match, null, $cursor)) {
} elseif (preg_match('/'.self::REGEX_QUOTED_STRING.'/A', $input, $match, 0, $cursor)) {
$tokens[] = stripcslashes(substr($match[0], 1, \strlen($match[0]) - 2));
} elseif (preg_match('/'.self::REGEX_STRING.'/A', $input, $match, null, $cursor)) {
} elseif (preg_match('/'.self::REGEX_STRING.'/A', $input, $match, 0, $cursor)) {
$tokens[] = stripcslashes($match[1]);
} else {
// should never happen