1--TEST-- 2Test strrchr() function : usage variations - empty heredoc string for 'haystack' 3--FILE-- 4<?php 5/* Prototype : string strrchr(string $haystack, string $needle); 6 * Description: Finds the last occurrence of a character in a string. 7 * Source code: ext/standard/string.c 8*/ 9 10/* Test strrchr() function by passing empty heredoc string for haystack 11 * and with various needles 12*/ 13 14echo "*** Testing strrchr() function: with heredoc strings ***\n"; 15$empty_str = <<<EOD 16EOD; 17 18$needles = array( 19 "", 20 '', 21 FALSE, 22 NULL, 23 "\0", 24 $empty_str //needle as haystack 25); 26 27//loop through to test strrchr() with each needle 28foreach($needles as $needle) { 29 var_dump( strrchr($empty_str, $needle) ); 30} 31echo "*** Done ***"; 32?> 33--EXPECTF-- 34*** Testing strrchr() function: with heredoc strings *** 35bool(false) 36bool(false) 37bool(false) 38bool(false) 39bool(false) 40bool(false) 41*** Done *** 42