8000 Added docs for Yaml::PARSE_CONSTANT by javiereguiluz · Pull Request #7194 · symfony/symfony-docs · GitHub
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Added docs for Yaml::PARSE_CONSTANT #7194

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Added docs for Yaml::PARSE_CONSTANT #7194

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Added docs for Yaml::PARSE_CONSTANT
javiereguiluz Nov 28, 2016
06f344a
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javiereguiluz Nov 29, 2016
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11 changes: 11 additions & 0 deletions components/yaml.rst
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Expand Up @@ -293,6 +293,17 @@ flag::
// Line
// String

Parsing PHP Constants
~~~~~~~~~~~~~~~~~~~~~

By default, the YAML parser treats the PHP constants included in the contents as
regular strings. Use the ``PARSE_CONSTANT`` flag and the special ``!php/const:``
syntax to parse them as proper PHP constants::

$yaml = '{ foo: PHP_INT_SIZE, bar: !php/const:PHP_INT_SIZE }';
$parameters = Yaml::parse($yaml, Yaml::PARSE_CONSTANT);
// $parameters = array('foo' => 'PHP_INT_SIZE', 'bar' => 8);

Syntax Validation
~~~~~~~~~~~~~~~~~

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