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|
--TEST--
Test iconv_strlen() function : usage variations - Pass different data types as $str arg
--SKIPIF--
<?php
extension_loaded('iconv') or die('skip');
function_exists('iconv_strlen') or die("skip iconv_strlen() is not available in this build");
?>
--FILE--
<?php
/* Prototype : int iconv_strlen(string str [, string charset])
* Description: Get character numbers of a string
* Source code: ext/iconv/iconv.c
*/
/*
* Test iconv_strlen by passing different data types as $str argument
*/
echo "*** Testing iconv_strlen() : usage variations ***\n";
// Initialise function arguments not being substituted
$encoding = 'utf-8';
//get an unset variable
$unset_var = 10;
unset ($unset_var);
// get a class
class classA
{
public function __toString() {
return "Class A object";
}
}
// heredoc string
$heredoc = <<<EOT
hello world
EOT;
// get a resource variable
$fp = fopen(__FILE__, "r");
// unexpected values to be passed to $str argument
$inputs = array(
// int data
/*1*/
'int 0' => 0,
'int 1' => 1,
'int 12345' => 12345,
'int -12345' => -12345,
// float data
/*5*/
'float 10.5' => 10.5,
'float -10.5' => -10.5,
'float 12.3456789000e10' => 12.3456789000e10,
'float 12.3456789000e-10' => 12.3456789000e-10,
'float .5' => .5,
// null data
/*10*/
'uppercase NULL' => NULL,
'lowercase null' => null,
// boolean data
/*12*/
'lowercase true' => true,
'lowercase false' =>false,
'uppercase TRUE' =>TRUE,
'uppercase FALSE' =>FALSE,
// empty data
/*16*/
'empty string DQ' => "",
'empty string SQ' => '',
// string data
/*18*/
'string DQ' => "string",
'string SQ' => 'string',
'mixed case string' => "sTrInG",
'heredoc' => $heredoc,
// object data
/*21*/
'instance of class' => new classA(),
// undefined data
/*22*/
'undefined var' => @$undefined_var,
// unset data
/*23*/
'unset var' => @$unset_var,
// resource variable
/*24*/
'resource' => $fp
);
// loop through each element of $inputs to check the behavior of iconv_strlen()
$iterator = 1;
foreach($inputs as $key =>$value) {
echo "\n--$key--\n";
var_dump( iconv_strlen($value, $encoding));
$iterator++;
};
fclose($fp);
?>
===DONE===
--EXPECTF--
*** Testing iconv_strlen() : usage variations ***
--int 0--
int(1)
--int 1--
int(1)
--int 12345--
int(5)
--int -12345--
int(6)
--float 10.5--
int(4)
--float -10.5--
int(5)
--float 12.3456789000e10--
int(12)
--float 12.3456789000e-10--
int(13)
--float .5--
int(3)
--uppercase NULL--
int(0)
--lowercase null--
int(0)
--lowercase true--
int(1)
--lowercase false--
int(0)
--uppercase TRUE--
int(1)
--uppercase FALSE--
int(0)
--empty string DQ--
int(0)
--empty string SQ--
int(0)
--string DQ--
int(6)
--string SQ--
int(6)
--mixed case string--
int(6)
--heredoc--
int(11)
--instance of class--
int(14)
--undefined var--
int(0)
--unset var--
int(0)
--resource--
Warning: iconv_strlen() expects parameter 1 to be string, resource given in %s on line %d
bool(false)
===DONE===
|
