1--TEST-- 2Test ltrim() function : error conditions 3--FILE-- 4<?php 5 6/* Prototype : string ltrim ( string $str [, string $charlist ] ) 7 * Description: Strip whitespace (or other characters) from the beginning of a string. 8 * Source code: ext/standard/string.c 9*/ 10 11 12echo "*** Testing ltrim() : error conditions ***\n"; 13 14echo "\n-- Testing ltrim() function with no arguments --\n"; 15var_dump( ltrim() ); 16 17echo "\n-- Testing ltrim() function with more than expected no. of arguments --\n"; 18$extra_arg = 10; 19var_dump( ltrim("Hello World", "Heo", $extra_arg) ); 20 21 22$hello = " Hello World\n"; 23echo "\n-- Test ltrim function with various invalid charlists\n"; 24var_dump(ltrim($hello, "..a")); 25var_dump(ltrim($hello, "a..")); 26var_dump(ltrim($hello, "z..a")); 27var_dump(ltrim($hello, "a..b..c")); 28 29?> 30===DONE=== 31--EXPECTF-- 32*** Testing ltrim() : error conditions *** 33 34-- Testing ltrim() function with no arguments -- 35 36Warning: ltrim() expects at least 1 parameter, 0 given in %s on line %d 37NULL 38 39-- Testing ltrim() function with more than expected no. of arguments -- 40 41Warning: ltrim() expects at most 2 parameters, 3 given in %s on line %d 42NULL 43 44-- Test ltrim function with various invalid charlists 45 46Warning: ltrim(): Invalid '..'-range, no character to the left of '..' in %s on line %d 47string(14) " Hello World 48" 49 50Warning: ltrim(): Invalid '..'-range, no character to the right of '..' in %s on line %d 51string(14) " Hello World 52" 53 54Warning: ltrim(): Invalid '..'-range, '..'-range needs to be incrementing in %s on line %d 55string(14) " Hello World 56" 57 58Warning: ltrim(): Invalid '..'-range in %s on line %d 59string(14) " Hello World 60" 61===DONE=== 62