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--TEST--
Test strtr() function : usage variations - unexpected inputs for 'to' argument
--FILE--
<?php
/* Prototype : string strtr(string $str, string $from[, string $to]);
string strtr(string $str, array $replace_pairs);
* Description: Translates characters in str using given translation tables
* Source code: ext/standard/string.c
*/
/* Test strtr() function: with unexpected inputs for 'to'
* and expected types for 'str' & 'from' arguments
*/
echo "*** Testing strtr() function: with unexpected inputs for 'to' ***\n";
//get an unset variable
$unset_var = 'string_val';
unset($unset_var);
//defining a class
class sample {
public function __toString() {
return "sample object";
}
}
//getting the resource
$file_handle = fopen(__FILE__, "r");
//defining 'str' argument
$str = "012atm";
//defining 'from' argument
$from = "atm012";
// array of values for 'to' argument
$to_arr = array (
// integer values
/*1*/ 0,
1,
-2,
// float values
/*4*/ 10.5,
-20.5,
10.12345675e10,
// array values
/*7*/ array(),
array(0),
array(1, 2),
// boolean values
/*10*/ true,
false,
TRUE,
FALSE,
// null vlaues
/*14*/ NULL,
null,
// objects
/*16*/ new sample(),
// resource
/*17*/ $file_handle,
// undefined variable
/*18*/ @$undefined_var,
// unset variable
/*19*/ @$unset_var
);
// loop through with each element of the $to array to test strtr() function
$count = 1;
for($index = 0; $index < count($to_arr); $index++) {
echo "\n-- Iteration $count --\n";
$to = $to_arr[$index];
var_dump( strtr($str, $from, $to) );
$count ++;
}
fclose($file_handle); //closing the file handle
?>
===DONE===
--EXPECTF--
*** Testing strtr() function: with unexpected inputs for 'to' ***
-- Iteration 1 --
string(6) "0120tm"
-- Iteration 2 --
string(6) "0121tm"
-- Iteration 3 --
string(6) "012-2m"
-- Iteration 4 --
string(6) "51210."
-- Iteration 5 --
string(6) ".52-20"
-- Iteration 6 --
string(6) "234101"
-- Iteration 7 --
Warning: strtr() expects parameter 3 to be string, array given in %s on line %d
NULL
-- Iteration 8 --
Warning: strtr() expects parameter 3 to be string, array given in %s on line %d
NULL
-- Iteration 9 --
Warning: strtr() expects parameter 3 to be string, array given in %s on line %d
NULL
-- Iteration 10 --
string(6) "0121tm"
-- Iteration 11 --
string(6) "012atm"
-- Iteration 12 --
string(6) "0121tm"
-- Iteration 13 --
string(6) "012atm"
-- Iteration 14 --
string(6) "012atm"
-- Iteration 15 --
string(6) "012atm"
-- Iteration 16 --
string(6) "plesam"
-- Iteration 17 --
Warning: strtr() expects parameter 3 to be string, resource given in %s on line %d
NULL
-- Iteration 18 --
string(6) "012atm"
-- Iteration 19 --
string(6) "012atm"
===DONE===
|
