PHP Syntax

PHP Programming Language

Syntax

When PHP parses a file, it looks for opening and closing tags, which are <?php and ?> which tell PHP to start and stop interpreting the code between them. Parsing in this manner allows PHP to be embedded in all sorts of different documents, as everything outside of a pair of opening and closing tags is ignored by the PHP parser.

Instruction separation

As in C or Perl, PHP requires instructions to be terminated with a semicolon at the end of each statement. The closing tag of a block of PHP code automatically implies a semicolon; you do not need to have a semicolon terminating the last line of a PHP block. The closing tag for the block will include the immediately trailing newline if one is present.

Overview of Topics

Topics
PHP Introduction PHP Syntax Basics PHP Basic Output PHP Variables Constants Strings Arrays Include File	PHP Control Structures If Statements Looping Constructs Switch Statements Exception Handling Operators Operators Operator precedence Forms Form Handling Form Validation File uploads Cookies Sessions	File Handling Basic I/O Filesystem Functions & OOP Functions Classes Other Topics Date and Time Error Handling Sending Emails

Resources

• blockly (choose PHP)
• Official documentation
• PHP the right way

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