1--TEST-- 2Test strtok() function : error conditions 3--FILE-- 4<?php 5/* Prototype : string strtok ( string $str, string $token ) 6 * Description: splits a string (str) into smaller strings (tokens), with each token being delimited by any character from token 7 * Source code: ext/standard/string.c 8*/ 9 10/* 11 * Testing strtok() for error conditions 12*/ 13 14echo "*** Testing strtok() : error conditions ***\n"; 15 16// Zero argument 17echo "\n-- Testing strtok() function with Zero arguments --\n"; 18var_dump( strtok() ); 19 20// More than expected number of arguments 21echo "\n-- Testing strtok() function with more than expected no. of arguments --\n"; 22$str = 'sample string'; 23$token = ' '; 24$extra_arg = 10; 25 26var_dump( strtok($str, $token, $extra_arg) ); 27var_dump( $str ); 28 29// Less than expected number of arguments 30echo "\n-- Testing strtok() with less than expected no. of arguments --\n"; 31$str = 'string val'; 32 33var_dump( strtok($str)); 34var_dump( $str ); 35 36echo "Done\n"; 37?> 38--EXPECTF-- 39*** Testing strtok() : error conditions *** 40 41-- Testing strtok() function with Zero arguments -- 42 43Warning: strtok() expects at least 1 parameter, 0 given in %s on line %d 44NULL 45 46-- Testing strtok() function with more than expected no. of arguments -- 47 48Warning: strtok() expects at most 2 parameters, 3 given in %s on line %d 49NULL 50string(13) "sample string" 51 52-- Testing strtok() with less than expected no. of arguments -- 53bool(false) 54string(10) "string val" 55Done 56