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Annotation of embedaddon/php/ext/standard/tests/strings/strtr_variation4.phpt, revision 1.1.1.1

1.1       misho       1: --TEST--
                      2: Test strtr() function : usage variations - empty string & null for 'str' argument
                      3: --FILE--
                      4: <?php
                      5: /* Prototype  : string strtr(string $str, string $from[, string $to]);
                      6:                 string strtr(string $str, array $replace_pairs);
                      7:  * Description: Translates characters in str using given translation tables
                      8:  * Source code: ext/standard/string.c
                      9: */
                     10: 
                     11: /* Testing strtr() function by passing the
                     12:  *   empty string & null for 'str' argument and
                     13:  *   corresponding translation pair of chars for 'from', 'to' & 'replace_pairs' arguments
                     14: */
                     15: 
                     16: echo "*** Testing strtr() : empty string & null for 'str' arg ***\n";
                     17: /* definitions of required input variables */
                     18: $count = 1;
                     19: 
                     20: $heredoc_str = <<<EOD
                     21: 
                     22: EOD;
                     23: 
                     24: //array of string inputs for $str
                     25: $str_arr = array(
                     26:   "",
                     27:   '',
                     28:   NULL,
                     29:   null,
                     30:   FALSE,
                     31:   false,
                     32:   $heredoc_str
                     33: );
                     34: 
                     35: $from = "";
                     36: $to = "TEST";
                     37: $replace_pairs = array("" => "t", '' => "TEST");
                     38: 
                     39: 
                     40: /* loop through to test strtr() with each element of $str_arr */
                     41: for($index = 0; $index < count($str_arr); $index++) {
                     42:   echo "-- Iteration $count --\n";
                     43: 
                     44:   $str = $str_arr[$index];  //getting the array element in 'str' variable
                     45: 
                     46:   //strtr() call in three args syntax form
                     47:   var_dump( strtr($str, $from, $to) );
                     48: 
                     49:   //strtr() call in two args syntax form
                     50:   var_dump( strtr($str, $replace_pairs) );
                     51: 
                     52:   $count++;
                     53: }
                     54: echo "*** Done ***";
                     55: ?>
                     56: --EXPECTF--
                     57: *** Testing strtr() : empty string & null for 'str' arg ***
                     58: -- Iteration 1 --
                     59: string(0) ""
                     60: string(0) ""
                     61: -- Iteration 2 --
                     62: string(0) ""
                     63: string(0) ""
                     64: -- Iteration 3 --
                     65: string(0) ""
                     66: string(0) ""
                     67: -- Iteration 4 --
                     68: string(0) ""
                     69: string(0) ""
                     70: -- Iteration 5 --
                     71: string(0) ""
                     72: string(0) ""
                     73: -- Iteration 6 --
                     74: string(0) ""
                     75: string(0) ""
                     76: -- Iteration 7 --
                     77: string(0) ""
                     78: string(0) ""
                     79: *** Done ***