1--TEST-- 2Testing rtrim() function 3--FILE-- 4<?php 5 6/* Testing for Error conditions */ 7 8/* Invalid Number of Arguments */ 9 10 echo "\n *** Output for Error Conditions ***\n"; 11 rtrim(); 12 rtrim("", " ", 1); 13 14/* Testing the Normal behaviour of rtrim() function */ 15 16 echo "\n *** Output for Normal Behaviour ***\n"; 17 var_dump ( rtrim("rtrim test \t\0 ") ); /* without second Argument */ 18 var_dump ( rtrim("rtrim test " , "") ); /* no characters in second Argument */ 19 var_dump ( rtrim("rtrim test ", NULL) ); /* with NULL as second Argument */ 20 var_dump ( rtrim("rtrim test ", true) ); /* with boolean value as second Argument */ 21 var_dump ( rtrim("rtrim test ", " ") ); /* with single space as second Argument */ 22 var_dump ( rtrim("rtrim test \t\n\r\0\x0B", "\t\n\r\0\x0B") ); /* with multiple escape sequences as second Argument */ 23 var_dump ( rtrim("rtrim testABCXYZ", "A..Z") ); /* with characters range as second Argument */ 24 var_dump ( rtrim("rtrim test0123456789", "0..9") ); /* with numbers range as second Argument */ 25 var_dump ( rtrim("rtrim test$#@", "#@$") ); /* with some special characters as second Argument */ 26 27 28/* Use of class and objects */ 29echo "\n*** Checking with OBJECTS ***\n"; 30class string1 { 31 public function __toString() { 32 return "Object"; 33 } 34} 35$obj = new string1; 36var_dump( rtrim($obj, "tc") ); 37 38/* String with embedded NULL */ 39echo "\n*** String with embedded NULL ***\n"; 40var_dump( rtrim("234\x0005678\x0000efgh\xijkl\x0n1", "\x0n1") ); 41 42/* heredoc string */ 43$str = <<<EOD 44us 45ing heredoc string 46EOD; 47 48echo "\n *** Using heredoc string ***\n"; 49var_dump( rtrim($str, "ing") ); 50 51echo "Done\n"; 52?> 53--EXPECTF-- 54*** Output for Error Conditions *** 55 56Warning: rtrim() expects at least 1 parameter, 0 given in %s on line %d 57 58Warning: rtrim() expects at most 2 parameters, 3 given in %s on line %d 59 60 *** Output for Normal Behaviour *** 61string(10) "rtrim test" 62string(13) "rtrim test " 63string(18) "rtrim test " 64string(18) "rtrim test " 65string(10) "rtrim test" 66string(11) "rtrim test " 67string(10) "rtrim test" 68string(10) "rtrim test" 69string(10) "rtrim test" 70 71*** Checking with OBJECTS *** 72string(4) "Obje" 73 74*** String with embedded NULL *** 75string(22) "234�05678�00efgh\xijkl" 76 77 *** Using heredoc string *** 78string(18) "us 79ing heredoc str" 80Done 81
