1--TEST-- 2Test ltrim() function : basic functionality 3--FILE-- 4<?php 5 6echo "*** Testing ltrim() : basic functionality ***\n"; 7 8$text = " \t\r\n\0\x0B ---These are a few words--- "; 9$hello = "!===Hello World===!"; 10$binary = "\x09\x0AExample string"; 11$alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; 12 13echo "\n-- Trim string with all white space characters --\n"; 14var_dump(ltrim($text)); 15 16echo "\n-- Trim non-whitespace from a string --\n"; 17var_dump(ltrim($hello, "=!")); 18 19echo "\n-- Trim some non-white space characters from a string --\n"; 20var_dump(ltrim($hello, "!oleH=")); 21 22echo "\n-- Trim some non-white space characters from a string suing a character range --\n"; 23var_dump(ltrim($alpha, "A..Z")); 24 25 26echo "\n-- Trim the ASCII control characters at the beginning of a string --\n"; 27var_dump(ltrim($binary, "\x00..\x1F")); 28 29?> 30--EXPECT-- 31*** Testing ltrim() : basic functionality *** 32 33-- Trim string with all white space characters -- 34string(29) "---These are a few words--- " 35 36-- Trim non-whitespace from a string -- 37string(15) "Hello World===!" 38 39-- Trim some non-white space characters from a string -- 40string(10) " World===!" 41 42-- Trim some non-white space characters from a string suing a character range -- 43string(10) "0123456789" 44 45-- Trim the ASCII control characters at the beginning of a string -- 46string(14) "Example string" 47