Search results for: "variable content"

What server variable in PHP can be used to determine the content length of a page?

To determine the content length of a page in PHP, you can use the `$_SERVER['CONTENT_LENGTH']` server variable. This variable contains the length of t...

How can PHP be used to display the content of a variable within a link to a PDF file?

To display the content of a variable within a link to a PDF file in PHP, you can use the concatenation operator (.) to insert the variable value into...

What are some methods for loading file content into a variable in PHP without the content being output during inclusion?

When including a file in PHP using functions like `include` or `require`, the file's content is typically output immediately. To load the file content...

How can output buffering be used to solve the issue of displaying content before a variable is set in PHP?

Issue: When trying to display content that relies on a variable that is set later in the script, PHP will throw an undefined variable error. Output bu...

What potential pitfalls should be considered when using eregi() function in PHP to validate variable content?

Using the eregi() function in PHP to validate variable content can pose potential security risks as it is case-insensitive and may not provide accurat...