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The PHP serialization format is the serialization format used by the PHP programming language. The format can serialize PHP's primitive and compound types, ...
Varchar fields can be of any size up to a limit, which varies by databases: an Oracle 11g database has a limit of 4000 bytes, [1] a MySQL 5.7 database has a limit of 65,535 bytes (for the entire row) [2] and Microsoft SQL Server 2008 has a limit of 8000 bytes (unless varchar(max) is used, which has a maximum storage capacity of 2 gigabytes).
PHP has hundreds of base functions and thousands more from extensions. Prior to PHP version 5.3.0, functions are not first-class functions and can only be referenced by their name, whereas PHP 5.3.0 introduces closures. [35] User-defined functions can be created at any time and without being prototyped. [35]
Percent-encoding a reserved character involves converting the character to its corresponding byte value in ASCII and then representing that value as a pair of hexadecimal digits (if there is a single hex digit, a leading zero is added).
Punched tape with the word "Wikipedia" encoded in ASCII.Presence and absence of a hole represents 1 and 0, respectively; for example, W is encoded as 1010111.. Character encoding is the process of assigning numbers to graphical characters, especially the written characters of human language, allowing them to be stored, transmitted, and transformed using computers. [1]
The carriage return character (CR), when sent to such a device, causes it to put the character at the edge of the paper at which writing begins (it may, or may not, also move the printing position to the next line). The line feed character (LF/NL) causes the device to put the printing position on the next line.
If the sigil is doubled, it refers to a type for which equality is defined. The "'" character may also appear within or at the end of a variable, in which case it has no special meaning. In Transact-SQL, "@" precedes a local variable or parameter name. System functions (previously known as global variables) are distinguished by a "@@" prefix.
Zend Server is a complete and certified PHP distribution stack originally developed by Zend Technologies intended for high performance and scalable use cases.. Zend Server includes over 80 PHP extensions and supports Apache, Nginx and IIS web servers.