--TEST--
Test strtr() function : usage variations - unexpected inputs for 'replace_pairs' 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 'replace_pairs'
* and expected type for 'str' arguments
*/
echo "*** Testing strtr() function: with unexpected inputs for 'replace_pairs' ***\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";
// array of inputs for 'replace_pairs' argument
$replace_pairs_arr = array (
// integer values
0,
1,
-2,
// float values
10.5,
-20.5,
10.5e10,
// array values
array(),
array(0),
array(1, 2),
// boolean values
true,
false,
TRUE,
FALSE,
// null vlaues
NULL,
null,
// objects
new sample(),
// resource
$file_handle,
// undefined variable
@$undefined_var,
// unset variable
@$unset_var
);
// loop through with each element of the $replace_pairs array to test strtr() function
$count = 1;
for($index = 0; $index < count($replace_pairs_arr); $index++) {
echo "\n-- Iteration $count --\n";
$replace_pairs = $replace_pairs_arr[$index];
var_dump( strtr($str, $replace_pairs) );
$count ++;
}
fclose($file_handle); //closing the file handle
echo "*** Done ***";
?>
--EXPECTF--
*** Testing strtr() function: with unexpected inputs for 'replace_pairs' ***
-- Iteration 1 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 2 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 3 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 4 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 5 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 6 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 7 --
string(6) "012atm"
-- Iteration 8 --
string(6) "012atm"
-- Iteration 9 --
string(6) "122atm"
-- Iteration 10 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 11 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 12 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 13 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 14 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 15 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 16 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 17 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 18 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
-- Iteration 19 --
Warning: strtr(): The second argument is not an array in %s on line %d
bool(false)
*** Done ***
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