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-<?php |
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- |
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-/* |
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- * This file is part of the Symfony package. |
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- * |
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- * (c) Fabien Potencier <fabien@symfony.com> |
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- * |
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- * For the full copyright and license information, please view the LICENSE |
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- * file that was distributed with this source code. |
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- */ |
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- |
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-namespace Symfony\Component\Translation; |
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- |
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-@trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.2, use IdentityTranslator instead.', Interval::class), E_USER_DEPRECATED); |
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- |
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-use Symfony\Component\Translation\Exception\InvalidArgumentException; |
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- |
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-/** |
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- * Tests if a given number belongs to a given math interval. |
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- * |
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- * An interval can represent a finite set of numbers: |
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- * |
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- * {1,2,3,4} |
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- * |
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- * An interval can represent numbers between two numbers: |
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- * |
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- * [1, +Inf] |
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- * ]-1,2[ |
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- * |
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- * The left delimiter can be [ (inclusive) or ] (exclusive). |
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- * The right delimiter can be [ (exclusive) or ] (inclusive). |
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- * Beside numbers, you can use -Inf and +Inf for the infinite. |
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- * |
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- * @author Fabien Potencier <fabien@symfony.com> |
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- * |
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- * @see http://en.wikipedia.org/wiki/Interval_%28mathematics%29#The_ISO_notation |
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- * @deprecated since Symfony 4.2, use IdentityTranslator instead |
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- */ |
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-class Interval |
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-{ |
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- /** |
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- * Tests if the given number is in the math interval. |
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- * |
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- * @param int $number A number |
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- * @param string $interval An interval |
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- * |
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- * @return bool |
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- * |
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- * @throws InvalidArgumentException |
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- */ |
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- public static function test($number, $interval) |
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- { |
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- $interval = trim($interval); |
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- |
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- if (!preg_match('/^'.self::getIntervalRegexp().'$/x', $interval, $matches)) { |
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- throw new InvalidArgumentException(sprintf('"%s" is not a valid interval.', $interval)); |
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- } |
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- |
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- if ($matches[1]) { |
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- foreach (explode(',', $matches[2]) as $n) { |
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- if ($number == $n) { |
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- return true; |
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- } |
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- } |
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- } else { |
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- $leftNumber = self::convertNumber($matches['left']); |
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- $rightNumber = self::convertNumber($matches['right']); |
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- |
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- return |
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- ('[' === $matches['left_delimiter'] ? $number >= $leftNumber : $number > $leftNumber) |
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- && (']' === $matches['right_delimiter'] ? $number <= $rightNumber : $number < $rightNumber) |
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- ; |
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- } |
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- |
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- return false; |
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- } |
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- |
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- /** |
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- * Returns a Regexp that matches valid intervals. |
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- * |
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- * @return string A Regexp (without the delimiters) |
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- */ |
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- public static function getIntervalRegexp() |
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- { |
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- return <<<EOF |
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- ({\s* |
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- (\-?\d+(\.\d+)?[\s*,\s*\-?\d+(\.\d+)?]*) |
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- \s*}) |
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- |
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- | |
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- |
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- (?P<left_delimiter>[\[\]]) |
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- \s* |
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- (?P<left>-Inf|\-?\d+(\.\d+)?) |
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- \s*,\s* |
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- (?P<right>\+?Inf|\-?\d+(\.\d+)?) |
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- \s* |
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- (?P<right_delimiter>[\[\]]) |
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-EOF; |
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- } |
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- |
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- private static function convertNumber($number) |
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- { |
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- if ('-Inf' === $number) { |
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- return log(0); |
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- } elseif ('+Inf' === $number || 'Inf' === $number) { |
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- return -log(0); |
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- } |
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- |
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- return (float) $number; |
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- } |
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-} |
1 | 1 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,112 @@ |
1 |
+<?php |
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2 |
+ |
|
3 |
+/* |
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+ * This file is part of the Symfony package. |
|
5 |
+ * |
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+ * (c) Fabien Potencier <fabien@symfony.com> |
|
7 |
+ * |
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+ * For the full copyright and license information, please view the LICENSE |
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+ * file that was distributed with this source code. |
|
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+ */ |
|
11 |
+ |
|
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+namespace Symfony\Component\Translation; |
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+ |
|
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+@trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.2, use IdentityTranslator instead.', Interval::class), E_USER_DEPRECATED); |
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+ |
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+use Symfony\Component\Translation\Exception\InvalidArgumentException; |
|
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+ |
|
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+/** |
|
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+ * Tests if a given number belongs to a given math interval. |
|
20 |
+ * |
|
21 |
+ * An interval can represent a finite set of numbers: |
|
22 |
+ * |
|
23 |
+ * {1,2,3,4} |
|
24 |
+ * |
|
25 |
+ * An interval can represent numbers between two numbers: |
|
26 |
+ * |
|
27 |
+ * [1, +Inf] |
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+ * ]-1,2[ |
|
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+ * |
|
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+ * The left delimiter can be [ (inclusive) or ] (exclusive). |
|
31 |
+ * The right delimiter can be [ (exclusive) or ] (inclusive). |
|
32 |
+ * Beside numbers, you can use -Inf and +Inf for the infinite. |
|
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+ * |
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+ * @author Fabien Potencier <fabien@symfony.com> |
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+ * |
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+ * @see http://en.wikipedia.org/wiki/Interval_%28mathematics%29#The_ISO_notation |
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+ * @deprecated since Symfony 4.2, use IdentityTranslator instead |
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+ */ |
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+class Interval |
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+{ |
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+ /** |
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+ * Tests if the given number is in the math interval. |
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+ * |
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+ * @param int $number A number |
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+ * @param string $interval An interval |
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+ * |
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+ * @return bool |
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+ * |
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+ * @throws InvalidArgumentException |
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+ */ |
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+ public static function test($number, $interval) |
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+ { |
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+ $interval = trim($interval); |
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+ |
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+ if (!preg_match('/^'.self::getIntervalRegexp().'$/x', $interval, $matches)) { |
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+ throw new InvalidArgumentException(sprintf('"%s" is not a valid interval.', $interval)); |
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+ } |
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+ |
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+ if ($matches[1]) { |
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+ foreach (explode(',', $matches[2]) as $n) { |
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+ if ($number == $n) { |
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+ return true; |
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+ } |
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+ } |
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+ } else { |
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+ $leftNumber = self::convertNumber($matches['left']); |
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+ $rightNumber = self::convertNumber($matches['right']); |
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+ |
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+ return |
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+ ('[' === $matches['left_delimiter'] ? $number >= $leftNumber : $number > $leftNumber) |
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+ && (']' === $matches['right_delimiter'] ? $number <= $rightNumber : $number < $rightNumber) |
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+ ; |
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+ } |
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+ |
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+ return false; |
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+ } |
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+ |
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+ /** |
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+ * Returns a Regexp that matches valid intervals. |
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80 |
+ * |
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81 |
+ * @return string A Regexp (without the delimiters) |
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+ */ |
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+ public static function getIntervalRegexp() |
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+ { |
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+ return <<<EOF |
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+ ({\s* |
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+ (\-?\d+(\.\d+)?[\s*,\s*\-?\d+(\.\d+)?]*) |
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+ \s*}) |
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+ |
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+ | |
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+ |
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+ (?P<left_delimiter>[\[\]]) |
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+ \s* |
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+ (?P<left>-Inf|\-?\d+(\.\d+)?) |
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+ \s*,\s* |
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+ (?P<right>\+?Inf|\-?\d+(\.\d+)?) |
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+ \s* |
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+ (?P<right_delimiter>[\[\]]) |
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+EOF; |
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+ } |
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+ |
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+ private static function convertNumber($number) |
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+ { |
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+ if ('-Inf' === $number) { |
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+ return log(0); |
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+ } elseif ('+Inf' === $number || 'Inf' === $number) { |
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+ return -log(0); |
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+ } |
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+ |
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+ return (float) $number; |
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+ } |
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+} |