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