Php Serialization Format
From Handwiki The PHP serialization format is the serialization format used by the PHP programming language. The format can serialize PHP's primitive and compound types, and also properly serializes references.[1] The format was first introduced in PHP 4.[2] In addition to PHP, the format is also used by some third-party applications that are often integrated with PHP applications, for example by Lucene/Solr.[3]
Syntax
The syntax generally follows the pattern of one-letter code of the variable type, followed by a colon and the length of the data, followed by the variable value, and ending with a semicolon.
| Type | Serialization examples |
|---|---|
| Null | N;
|
| Boolean | b:1;b:0;
|
| Integer | i:685230;i:-685230;
|
| Floating point | d:685230.15;d:INF;d:-INF;d:NAN;
|
| String | s:5:"apple";s:6:"A to Z";
|
| Associative array | a:4:{i:0;b:1;i:1;N;i:2;d:-421000000;i:3;s:6:"A to Z";}a:2:{i:42;b:1;s:6:"A to Z";a:3:{i:0;i:1;i:1;i:2;i:2;i:3;}}
|
| Object | O:8:"stdClass":2:{s:4:"John";d:3.14;s:4:"Jane";d:2.718;}
|
References
- ↑ "Serialization". http://www.phpinternalsbook.com/php5/classes_objects/serialization.html.
- ↑ "PHP: serialize - Manual". https://www.php.net/manual/en/function.serialize.php.
- ↑ "Response Writers | Apache Solr Reference Guide 8.5". https://lucene.apache.org/solr/guide/8_5/response-writers.html#php-writer.
External links
- PHP Scripts
- PHP: Serialize
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Categories: [Data serialization formats]
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☰ Source: https://handwiki.org/wiki/PHP_serialization_format | License: CC BY-SA 3.0
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