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Annotation of embedaddon/php/ext/standard/tests/strings/trim1.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: Test trim() function
        !             3: --FILE--
        !             4: <?php
        !             5: 
        !             6: /* Prototype: string trim( string str [,string charlist] )
        !             7:  * Strip whitespace (or other characters) from the beginning and end of a string.
        !             8:  */
        !             9: 
        !            10: /* trim with unset/null/boolean variable - retuns an empty string */
        !            11: echo "\n";
        !            12: $null_var = NULL;
        !            13: var_dump( trim($null_var) );
        !            14: $null_var = "";
        !            15: var_dump( trim($null_var) );
        !            16: $null_var = 0;
        !            17: var_dump( trim($null_var) );
        !            18: $bool_val = true;
        !            19: var_dump( trim($null_var) );
        !            20: 
        !            21: /* second arguemnt charlist as null - does not trim any white spaces */
        !            22: var_dump( trim("\ttesting trim", "") );
        !            23: var_dump( trim("  \ttesting trim  ", NULL) );
        !            24: var_dump( trim("\ttesting trim  ", true) );
        !            25: 
        !            26: /* Testing error conditions */
        !            27: echo "\n*** Testing error conditions ***\n";
        !            28: 
        !            29: //Zero arguments
        !            30: var_dump( trim() );
        !            31: // More than expected number of args */
        !            32: var_dump( trim("\tstring\n", "\t\n", $null_var) );
        !            33: var_dump( trim(NULL, "", NULL ) );
        !            34: 
        !            35: 
        !            36: /* Use of class and objects */
        !            37: echo "\n*** Testing with OBJECTS ***\n";
        !            38: class string1 
        !            39: {
        !            40:   public function __toString() {
        !            41:     return "Object";
        !            42:   }
        !            43: }
        !            44: $obj = new string1;
        !            45: var_dump( trim($obj, "Ot") );
        !            46: 
        !            47: /* String with embedded NULL */
        !            48: echo "\n*** Testing with String with embedded NULL ***\n";
        !            49: var_dump( trim("\x0n1234\x0005678\x0000efgh\xijkl\x0n1", "\x0n1") );
        !            50: 
        !            51: /* heredoc string */
        !            52: $str = <<<EOD
        !            53: us
        !            54: ing heredoc string
        !            55: EOD;
        !            56: 
        !            57: echo "\n*** Testing with heredoc string ***\n";
        !            58: var_dump( trim($str, "us\ning") );
        !            59: 
        !            60: echo "\nDone";
        !            61: ?>
        !            62: --EXPECTF--
        !            63: 
        !            64: string(0) ""
        !            65: string(0) ""
        !            66: string(1) "0"
        !            67: string(1) "0"
        !            68: string(13) "   testing trim"
        !            69: string(17) "   testing trim  "
        !            70: string(15) "   testing trim  "
        !            71: 
        !            72: *** Testing error conditions ***
        !            73: 
        !            74: Warning: trim() expects at least 1 parameter, 0 given in %s on line %d
        !            75: NULL
        !            76: 
        !            77: Warning: trim() expects at most 2 parameters, 3 given in %s on line %d
        !            78: NULL
        !            79: 
        !            80: Warning: trim() expects at most 2 parameters, 3 given in %s on line %d
        !            81: NULL
        !            82: 
        !            83: *** Testing with OBJECTS ***
        !            84: string(4) "bjec"
        !            85: 
        !            86: *** Testing with String with embedded NULL ***
        !            87: string(22) "2340567800efgh\xijkl"
        !            88: 
        !            89: *** Testing with heredoc string ***
        !            90: string(12) " heredoc str"
        !            91: 
        !            92: Done