1--TEST-- 2Test rtrim() function : basic functionality 3--FILE-- 4<?php 5 6/* Prototype : string rtrim ( string $str [, string $charlist ] ) 7 * Description: Strip whitespace (or other characters) from the end of a string. 8 * Source code: ext/standard/string.c 9*/ 10 11echo "*** Testing rtrim() : basic functionality ***\n"; 12 13$text = "---These are a few words--- \t\r\n\0\x0B "; 14$hello = "!===Hello World===!"; 15$alpha = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; 16$binary = "Example string\x0A\x0D"; 17 18 19 20echo "\n-- Trim string with all white space characters --\n"; 21var_dump(rtrim($text)); 22 23echo "\n-- Trim non-whitespace from a string --\n"; 24var_dump(rtrim($hello, "=!")); 25 26echo "\n-- Trim some non-white space characters from a string --\n"; 27var_dump(rtrim($hello, "!dlWro=")); 28 29echo "\n-- Trim some non-white space characters from a string using a character range --\n"; 30var_dump(rtrim($alpha, "A..Z")); 31 32echo "\n-- Trim the ASCII control characters at the beginning of a string --\n"; 33var_dump(rtrim($binary, "\x00..\x1F")); 34 35?> 36===DONE=== 37--EXPECT-- 38*** Testing rtrim() : basic functionality *** 39 40-- Trim string with all white space characters -- 41string(27) "---These are a few words---" 42 43-- Trim non-whitespace from a string -- 44string(15) "!===Hello World" 45 46-- Trim some non-white space characters from a string -- 47string(10) "!===Hello " 48 49-- Trim some non-white space characters from a string using a character range -- 50string(10) "0123456789" 51 52-- Trim the ASCII control characters at the beginning of a string -- 53string(14) "Example string" 54===DONE=== 55
