@@ -95,16 +95,20 @@ acts as a thin wrapper that simplifies common uses.
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Reading YAML Files
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~~~~~~~~~~~~~~~~~~
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- The :method: `Symfony\\ Component\\ Yaml\\ Parser ::parse ` method parses a YAML
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+ The :method: `Symfony\\ Component\\ Yaml\\ Yaml ::parse ` method parses a YAML
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string and converts it to a PHP array:
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.. code-block :: php
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- use Symfony\Component\Yaml\Parser;
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+ use Symfony\Component\Yaml\Yaml;
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+
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+ $value = Yaml::parse(file_get_contents('/path/to/file.yml'));
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- $yaml = new Parser();
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+ .. caution ::
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- $value = $yaml->parse(file_get_contents('/path/to/file.yml'));
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+ Because it is currently possible to pass a filename to this method, you
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+ must validate the input first. Passing a filename is deprecated in
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+ Symfony 2.2, and was removed in Symfony 3.0.
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If an error occurs during parsing, the parser throws a
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:class: `Symfony\\ Component\\ Yaml\\ Exception\\ ParseException ` exception
@@ -116,71 +120,35 @@ error occurred:
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use Symfony\Component\Yaml\Exception\ParseException;
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try {
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- $value = $yaml-> parse(file_get_contents('/path/to/file.yml'));
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+ $value = Yaml:: parse(file_get_contents('/path/to/file.yml'));
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} catch (ParseException $e) {
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printf("Unable to parse the YAML string: %s", $e->getMessage());
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}
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- .. tip ::
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-
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- As the parser is re-entrant, you can use the same parser object to load
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- different YAML strings.
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-
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- It may also be convenient to use the
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- :method: `Symfony\\ Component\\ Yaml\\ Yaml::parse ` wrapper method:
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-
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- .. code-block :: php
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-
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- use Symfony\Component\Yaml\Yaml;
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-
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- $yaml = Yaml::parse(file_get_contents('/path/to/file.yml'));
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-
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- The :method: `Symfony\\ Component\\ Yaml\\ Yaml::parse ` static method takes a YAML
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- string or a file containing YAML. Internally, it calls the
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- :method: `Symfony\\ Component\\ Yaml\\ Parser::parse ` method, but enhances the
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- error if something goes wrong by adding the filename to the message.
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-
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- .. caution ::
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-
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- Because it is currently possible to pass a filename to this method, you
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- must validate the input first. Passing a filename is deprecated in
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- Symfony 2.2, and will be removed in Symfony 3.0.
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-
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.. _components-yaml-dump :
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Writing YAML Files
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~~~~~~~~~~~~~~~~~~
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- The :method: `Symfony\\ Component\\ Yaml\\ Dumper ::dump ` method dumps any PHP
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+ The :method: `Symfony\\ Component\\ Yaml\\ Yaml ::dump ` method dumps any PHP
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array to its YAML representation:
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.. code-block :: php
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- use Symfony\Component\Yaml\Dumper ;
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+ use Symfony\Component\Yaml\Yaml ;
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$array = array(
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'foo' => 'bar',
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'bar' => array('foo' => 'bar', 'bar' => 'baz'),
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);
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- $dumper = new Dumper();
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-
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- $yaml = $dumper->dump($array);
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+ $yaml = Yaml::dump($array);
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file_put_contents('/path/to/file.yml', $yaml);
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If an error occurs during the dump, the parser throws a
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:class: `Symfony\\ Component\\ Yaml\\ Exception\\ DumpException ` exception.
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- If you only need to dump one array, you can use the
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- :method: `Symfony\\ Component\\ Yaml\\ Yaml::dump ` static method shortcut:
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-
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- .. code-block :: php
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-
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- use Symfony\Component\Yaml\Yaml;
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-
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- $yaml = Yaml::dump($array);
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-
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Array Expansion and Inlining
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............................
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@@ -192,7 +160,7 @@ representation:
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{ foo: bar, bar: { foo: bar, bar: baz } }
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- The second argument of the :method: `Symfony\\ Component\\ Yaml\\ Dumper ::dump `
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+ The second argument of the :method: `Symfony\\ Component\\ Yaml\\ Yaml ::dump `
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method customizes the level at which the output switches from the expanded
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representation to the inline one:
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