// Define a dummy text, for testing... |
$Text = "Title: Hello world!\n" ; |
$Text .= "Author: Jonas\n" ; |
$Text .= "This is a example message!\n\n" ; |
$Text .= "Title: Entry 2\n" ; |
$Text .= "Author: Sonja\n" ; |
$Text .= "Hello world, what's up!\n" ; |
// This function will replace specific matches |
// into a new form |
function RewriteText( $Match ){ |
// Entire matched section: |
// --> /.../ |
$EntireSection = $Match [0]; |
// --> "\nTitle: Hello world!" |
// Key |
// --> ([a-z0-9]+) |
$Key = $Match [1]; |
// --> "Title" |
// Value |
// --> ([^\n\r]+) |
$Value = $Match [2]; |
// --> "Hello world!" |
// Add some bold (<b>) tags to around the key to |
return '<b>' . $Key . '</b>: ' . $Value ; |
} |
// The regular expression will extract and pass all "key: value" pairs to |
// the "RewriteText" function that is definied above |
$NewText = preg_replace_callback( '/[\r\n]([a-z0-9]+): ([^\n\r]+)/i' , "RewriteText" , $Text ); |
// Print the new modified text |
print $NewText ; |