=’ short open tag mean in PHP ? The to identify the start of a PHP document.

Does PHP file need closing tag?

The closing tag of a PHP block at the end of a file is optional, and in some cases omitting it is helpful when using include() or require(), so unwanted whitespace will not occur at the end of files, and you will still be able to add headers to the response later.

What is the PHP tag?

The PHP syntax is a set of rules that define how a program should be written. All code written in PHP must be identified as PHP code. A set of tags are used to mark the beginning and end of a block of code, in between which any amount of code can be written.

Should you close PHP tags?

To recap, closing PHP tags (?>) are entirely optional if you’re coding a PHP-only file and there’s no intermingled HTML. Files containing single class definitions are good candidates. Omitting the closing tag has another benefit: it becomes impossible to accidentally add white space to the end of the file.

What are PHP tags?

All code written in PHP must be identified as PHP code. A set of tags are used to mark the beginning and end of a block of code, in between which any amount of code can be written.

What is line break in PHP?

Line breaks are the separators which are used to escape from continuing with the same line. This is for splitting the lengthy line into small, easy readable chunks to be shown line by line. PHP allow adding these line breaks by using escape sequences or predefined constants, as listed below. Linefeed

What is syntax in PHP?

The PHP syntax and semantics are the format ( syntax) and the related meanings ( semantics) of the text and symbols in the PHP programming language. They form a set of rules that define how a PHP program can be written and interpreted.