searching and storing unknown number of lines based on the string with a condition

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LEARN ABOUT PHP

yaml_parse

YAML_PARSE(3)								 1							     YAML_PARSE(3)

yaml_parse - Parse a YAML stream

SYNOPSIS

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

DESCRIPTION

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

PARAMETERS

	      o $input
		- The string to parse as a YAML document stream.

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

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

	      o $callbacks
		- Content handlers for YAML nodes. Associative array of YAML tag => callable mappings. See parse callbacks for more details.

RETURN VALUES

	Returns  the  value  encoded in $input in appropriate PHP type or FALSE on failure. If $pos is -1 an array will be returned with one entry
       for each document found in the stream.

EXAMPLES

       Example #1

	      yaml_parse(3) 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);
	      ?>

	      The above example will output something similar to:

	      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."
	      }

NOTES

       Warning

	       Processing untrusted user input with yaml_parse(3) is dangerous if the use  of  unserialize(3)  is  enabled  for  nodes	using  the
	      !php/object tag. This behavior can be disabled by using the yaml.decode_php ini setting.

SEE ALSO

       yaml_parse_file(3), yaml_parse_url(3), yaml_emit(3).

PHP Documentation Group 													     YAML_PARSE(3)

Shell Programming and Scripting