1--TEST-- 2Test ltrim() function 3--FILE-- 4<?php 5 6/* Testing for Error conditions */ 7 8/* Invalid Number of Arguments */ 9 10 echo "\n *** Output for Error Conditions ***\n"; 11 12/* heredoc string */ 13$str = <<<EOD 14us 15ing heredoc string 16EOD; 17 18echo "\n *** Using heredoc string ***\n"; 19var_dump( ltrim($str, "\nusi") ); 20 21/* Testing the Normal behaviour of ltrim() function */ 22 23 echo "\n *** Output for Normal Behaviour ***\n"; 24 var_dump ( ltrim(" \t\0 ltrim test") ); /* without second Argument */ 25 var_dump ( ltrim(" ltrim test" , "") ); /* no characters in second Argument */ 26 var_dump ( ltrim(" ltrim test", true) ); /* with boolean value as second Argument */ 27 var_dump ( ltrim(" ltrim test", " ") ); /* with single space as second Argument */ 28 var_dump ( ltrim("\t\n\r\0\x0B ltrim test", "\t\n\r\0\x0B") ); /* with multiple escape sequences as second Argument */ 29 var_dump ( ltrim("ABCXYZltrim test", "A..Z") ); /* with characters range as second Argument */ 30 var_dump ( ltrim("0123456789ltrim test", "0..9") ); /* with numbers range as second Argument */ 31 var_dump ( ltrim("@$#ltrim test", "#@$") ); /* with some special characters as second Argument */ 32 33 34echo "\n *** Output for scalar argument) ***\n"; 35var_dump( ltrim( 12345 ) ); /* Scalar argument */ 36 37echo "\nDone\n"; 38 39?> 40--EXPECT-- 41*** Output for Error Conditions *** 42 43 *** Using heredoc string *** 44string(17) "ng heredoc string" 45 46 *** Output for Normal Behaviour *** 47string(10) "ltrim test" 48string(13) " ltrim test" 49string(18) " ltrim test" 50string(10) "ltrim test" 51string(11) " ltrim test" 52string(10) "ltrim test" 53string(10) "ltrim test" 54string(10) "ltrim test" 55 56 *** Output for scalar argument) *** 57string(5) "12345" 58 59Done 60
