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# yaml_parse

(PECL yaml >= 0.4.0)

yaml_parse — Parse a YAML stream

### Descrição

mixed yaml_parse ( string `$input` [, int `$pos` = 0 [, int `&$ndocs` [, array `$callbacks` ]]] )

Convert all or part of a YAML document stream to a PHP variable.

### Parâmetros

`input`

  The string to parse as a YAML document stream.

`pos`

  Document to extract from stream (-1 for all documents, 0 for first document, ...).

`ndocs`

  If `ndocs` is provided, then it is filled with the number of documents found in stream.

`callbacks`

  Content handlers for YAML nodes. Associative array of YAML tag => callback mappings.

### Valor Retornado

Returns the value encoded in `input` in appropriate PHP type. `NULL` is returned if the `input` cannot be decoded. If `pos` is -1 an array will be returned with one entry for each document found in the stream.

### Exemplos

Exemplo #1 yaml_parse() example

`<?php
$yaml = <<<EOD
---
invoice: 34843
date: "2001-01-23"
bill-to: &id001
given: Chris
family: Dumars
address:
lines: |-
458 Walkman Dr.
Suite #292
city: Royal Oak
state: MI
postal: 48046
ship-to: *id001
product:
- sku: BL394D
quantity: 4
description: Basketball
price: 450
- sku: BL4438H
quantity: 1
description: Super Hoop
price: 2392
tax: 251.420000
total: 4443.520000
comments: Late afternoon is best. Backup contact is Nancy Billsmer @ 338-4338.
...
EOD;
$parsed = yaml_parse($yaml);
var_dump($parsed);
?>`

O exemplo acima irá imprimir algo similar a:

    array(8) {
      ["invoice"]=>
      int(34843)
      ["date"]=>
      string(10) "2001-01-23"
      ["bill-to"]=>
      &array(3) {
        ["given"]=>
        string(5) "Chris"
        ["family"]=>
        string(6) "Dumars"
        ["address"]=>
        array(4) {
          ["lines"]=>
          string(34) "458 Walkman Dr.
            Suite #292"
          ["city"]=>
          string(9) "Royal Oak"
          ["state"]=>
          string(2) "MI"
          ["postal"]=>
          int(48046)
        }
      }
      ["ship-to"]=>
      &array(3) {
        ["given"]=>
        string(5) "Chris"
        ["family"]=>
        string(6) "Dumars"
        ["address"]=>
        array(4) {
          ["lines"]=>
          string(34) "458 Walkman Dr.
            Suite #292"
          ["city"]=>
          string(9) "Royal Oak"
          ["state"]=>
          string(2) "MI"
          ["postal"]=>
          int(48046)
        }
      }
      ["product"]=>
      array(2) {
        [0]=>
        array(4) {
          ["sku"]=>
          string(6) "BL394D"
          ["quantity"]=>
          int(4)
          ["description"]=>
          string(10) "Basketball"
          ["price"]=>
          int(450)
        }
        [1]=>
        array(4) {
          ["sku"]=>
          string(7) "BL4438H"
          ["quantity"]=>
          int(1)
          ["description"]=>
          string(10) "Super Hoop"
          ["price"]=>
          int(2392)
        }
      }
      ["tax"]=>
      float(251.42)
      ["total"]=>
      float(4443.52)
      ["comments"]=>
      string(68) "Late afternoon is best. Backup contact is Nancy Billsmer @ 338-4338."
    }

### Veja Também

- yaml_parse_file() - Parse a YAML stream from a file
- yaml_parse_url() - Parse a Yaml stream from a URL
- yaml_emit() - Returns the YAML representation of a value

yaml_parse_url
Outros Serviços
Yaml Funções
PHP Manual