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chr_variation1.phpt
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Tue Feb 21 23:48:04 2012 UTC (12 years, 6 months ago) by
misho
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CVS tags:
v5_4_3elwix,
v5_4_29p0,
v5_4_29,
v5_4_20p0,
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v5_4_17p0,
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php
--TEST--
Test chr() function : usage variations - test values for $ascii argument
--FILE--
<?php
/* Prototype : string chr ( int $ascii )
* Description: Return a specific character
* Source code: ext/standard/string.c
*/
echo "*** Testing chr() function: with unexpected inputs for 'ascii' argument ***\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");
// array with different values for $input
$inputs = array (
// integer values
/*1*/ 0,
1,
255,
256,
// float values
/*5*/ 10.5,
-20.5,
1.1234e6,
// array values
/*8*/ array(),
array(0),
array(1, 2),
// boolean values
/*11*/ true,
false,
TRUE,
FALSE,
// null values
/*15*/ NULL,
null,
// objects
/*17*/ new sample(),
// resource
/*18*/ $file_handle,
// undefined variable
/*19*/ @$undefined_var,
// unset variable
/*20*/ @$unset_var
);
// loop through with each element of the $inputs array to test chr() function
$count = 1;
foreach($inputs as $input) {
echo "-- Iteration $count --\n";
var_dump( bin2hex(chr($input)) );
$count ++;
}
fclose($file_handle); //closing the file handle
?>
===DONE===
--EXPECTF--
*** Testing chr() function: with unexpected inputs for 'ascii' argument ***
-- Iteration 1 --
string(2) "00"
-- Iteration 2 --
string(2) "01"
-- Iteration 3 --
string(2) "ff"
-- Iteration 4 --
string(2) "00"
-- Iteration 5 --
string(2) "0a"
-- Iteration 6 --
string(2) "ec"
-- Iteration 7 --
string(2) "48"
-- Iteration 8 --
string(2) "00"
-- Iteration 9 --
string(2) "00"
-- Iteration 10 --
string(2) "00"
-- Iteration 11 --
string(2) "01"
-- Iteration 12 --
string(2) "00"
-- Iteration 13 --
string(2) "01"
-- Iteration 14 --
string(2) "00"
-- Iteration 15 --
string(2) "00"
-- Iteration 16 --
string(2) "00"
-- Iteration 17 --
string(2) "00"
-- Iteration 18 --
string(2) "00"
-- Iteration 19 --
string(2) "00"
-- Iteration 20 --
string(2) "00"
===DONE===
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