Add parsing of hexadecimal strings for PHP 7 #14107
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PHP 7 does not handle the hexadecimal notation in is_numeric checks anymore, so the detection needs to be implemented explicitly.
| @@ -200,6 +200,8 @@ public static function phpize($value) | |||
| return false; | |||
| case is_numeric($value): | |||
| return '0x' === $value[0].$value[1] ? hexdec($value) : (float) $value; | |||
| case preg_match('/^0x[0-9a-f]++$/i', $value): | |||
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Out of curiosity: what is the meaning of the double ++ ?
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this is a possessive quantifier to forbid backtracking (because backtracking cannot allow to find another way to match for this regex anyway). this allows to match much longer strings since we won't reach the backtracking limit.
See http://php.net/manual/en/regexp.reference.repetition.php for the doc about it
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Thank you @stof. |
fabpot
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Mar 30, 2015
This PR was merged into the 2.3 branch. Discussion ---------- Add parsing of hexadecimal strings for PHP 7 | Q | A | ------------- | --- | Bug fix? | yes | New feature? | no | BC breaks? | no | Deprecations? | no | Tests pass? | yes | Fixed tickets | #14086 | License | MIT | Doc PR | n/a PHP 7 does not handle the hexadecimal notation in is_numeric checks anymore, so the detection needs to be implemented explicitly. With this change, we should have a passing testsuite on PHP 7 Commits ------- e848040 Add parsing of hexadecimal strings for PHP 7
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@fabpot should we remove the allow_failure for PHP 7 or not yet ? |
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@stof: Yes, let's do that. |
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PHP 7 does not handle the hexadecimal notation in is_numeric checks anymore, so the detection needs to be implemented explicitly.
With this change, we should have a passing testsuite on PHP 7