1--TEST-- 2Test strrev() function : basic functionality 3--FILE-- 4<?php 5/* Prototype : string strrev(string $str); 6 * Description: Reverse a string 7 * Source code: ext/standard/string.c 8*/ 9 10echo "*** Testing strrev() : basic functionality ***\n"; 11$heredoc = <<<EOD 12Hello, world 13EOD; 14 15//regular string 16var_dump( strrev("Hello, World") ); 17var_dump( strrev('Hello, World') ); 18 19//single character 20var_dump( strrev("H") ); 21var_dump( strrev('H') ); 22 23//string containing simalr chars 24var_dump( strrev("HHHHHH") ); 25var_dump( strrev("HhhhhH") ); 26 27//string containing escape char 28var_dump( strrev("Hello, World\n") ); 29var_dump( strrev('Hello, World\n') ); 30 31//heredoc string 32var_dump( strrev($heredoc) ); 33echo "*** Done ***"; 34?> 35--EXPECTF-- 36*** Testing strrev() : basic functionality *** 37string(12) "dlroW ,olleH" 38string(12) "dlroW ,olleH" 39string(1) "H" 40string(1) "H" 41string(6) "HHHHHH" 42string(6) "HhhhhH" 43string(13) " 44dlroW ,olleH" 45string(14) "n\dlroW ,olleH" 46string(12) "dlrow ,olleH" 47*** Done *** 48