How can PHP developers use readfile to display the contents of a file within an echo statement?

To display the contents of a file within an echo statement using readfile in PHP, developers can read the file contents into a variable using readfile, and then echo out the variable. This allows the file contents to be directly output within the echo statement. 

$file = 'example.txt';
ob_start();
readfile($file);
$file_contents = ob_get_clean();
echo $file_contents;

Keywords

PHP readfile echo statement file contents display

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