1--TEST-- 2Test strrchr() function : basic functionality 3--FILE-- 4<?php 5echo "*** Testing strrchr() function: basic functionality ***\n"; 6var_dump( strrchr("Hello, World", "H") ); //needle as single char 7var_dump( strrchr("Hello, World", "Hello") ); //needle as a first word of haystack 8var_dump( strrchr('Hello, World', 'H') ); 9var_dump( strrchr('Hello, World', 'Hello') ); 10 11//considering case 12var_dump( strrchr("Hello, World", "h") ); 13var_dump( strrchr("Hello, World", "hello") ); 14 15//needle as second word of haystack 16var_dump( strrchr("Hello, World", "World") ); 17var_dump( strrchr('Hello, World', 'World') ); 18 19//needle as special char 20var_dump( strrchr("Hello, World", ",") ); 21var_dump( strrchr('Hello, World', ',') ); 22 23var_dump( strrchr("Hello, World", "Hello, World") ); //needle as haystack 24 25//needle string containing one existing and one non-existing char 26var_dump( strrchr("Hello, World", "Hi") ); 27 28//multiple existence of needle in haystack 29var_dump( strrchr("Hello, World", "o") ); 30var_dump( strrchr("Hello, World", "ooo") ); 31 32var_dump( strrchr("Hello, World", "Zzzz") ); //non-existent needle in haystack 33echo "*** Done ***"; 34?> 35--EXPECT-- 36*** Testing strrchr() function: basic functionality *** 37string(12) "Hello, World" 38string(12) "Hello, World" 39string(12) "Hello, World" 40string(12) "Hello, World" 41bool(false) 42bool(false) 43string(5) "World" 44string(5) "World" 45string(7) ", World" 46string(7) ", World" 47string(12) "Hello, World" 48string(12) "Hello, World" 49string(4) "orld" 50string(4) "orld" 51bool(false) 52*** Done *** 53