string.format

vsprintf or sprintf with named arguments, or simple template parsing in PHP

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Late to the party, but you can simply use strtr to “translate characters or replace substrings” <?php $hours = 2; $minutes = 24; $seconds = 35; // Option 1: Replacing %variable echo strtr( ‘Last time logged in was %hours hours, %minutes minutes, %seconds seconds ago’, [ ‘%hours’ => $hours, ‘%minutes’ => $minutes, ‘%seconds’ => $seconds … Read more

named String.Format, is it possible?

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No, but this extension method will do it static string FormatFromDictionary(this string formatString, Dictionary<string, string> valueDict) { int i = 0; StringBuilder newFormatString = new StringBuilder(formatString); Dictionary<string, int> keyToInt = new Dictionary<string,int>(); foreach (var tuple in valueDict) { newFormatString = newFormatString.Replace(“{” + tuple.Key + “}”, “{” + i.ToString() + “}”); keyToInt.Add(tuple.Key, i); i++; } return … Read more

Is String.Format as efficient as StringBuilder

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NOTE: This answer was written when .NET 2.0 was the current version. This may no longer apply to later versions. String.Format uses a StringBuilder internally: public static string Format(IFormatProvider provider, string format, params object[] args) { if ((format == null) || (args == null)) { throw new ArgumentNullException((format == null) ? “format” : “args”); } … Read more

Is it better practice to use String.format over string Concatenation in Java?

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I’d suggest that it is better practice to use String.format(). The main reason is that String.format() can be more easily localised with text loaded from resource files whereas concatenation can’t be localised without producing a new executable with different code for each language. If you plan on your app being localisable you should also get … Read more