SYNOPSIS string implode(mixed *arr, string del) DESCRIPTION Concatenate all strings found in array arr, with the string del between each element. Only strings are used from the array. EXAMPLES function returns ------------------------------------------------------------------- implode(({ "foo", "bar", "" }), "*") "foo*bar*" implode(({ "a", 2, this_object(), "c" }), "b") "abc" Together with explode() this can be used as a search and replace function of strings: implode(explode("a short text", " "), "_") "a_short_text" But nowadays You can also use regreplace("a short text", " ", "_", 1) instead. SEE ALSO explode(E), regreplace(E)