PHP (1)--Basic syntax

First, the language tag

1. Standard delimiter: form;

Such as:

echo "HelloWorld";

?>

2, paragraph label delimiter: form;

Using this form requires that the Short_open_tag in the php.ini file be set to ON, and the Apache server will be restarted after it takes effect.

3. Script label delimiter: form;

4, ASP style delimiter: <%%> form;

Using this form requires that the asp_tags in the php.ini file be set to ON and the Apache server is also restarted.

Note: The official recommendation uses the standard delimiter form, because the other ways can cause errors, such as the second way may lead to parsing the XML file exception, the third easy to lead to the front page of the script (such as JS script) confusion, ASP style is the same year for the ASP to seize the market and a form of support.

Second, basic grammar

The statement ends with a semicolon ";";

Comment Method:

Way,/* */Mode and # method, originating from C, C + +, and Unix shell language annotation methods.

Identifiers: Can only consist of letters, numbers, and underscores, and can only start with letters or underscores.

The above introduces PHP (1)-the basic syntax, including the aspects of the content, I hope to be interested in PHP tutorial friends helpful.

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