--TEST--
Test strval() function
--INI--
precision=14
--FILE--
<?php
/* Prototype: string strval ( mixed $var );
* Description: Returns the string value of var
*/
echo "*** Testing str_val() with scalar values***\n";
$heredoc_string = <<<EOD
This is a multiline heredoc
string. Numeric = 1232455.
EOD;
/* heredoc string with only numeric values */
$heredoc_numeric_string = <<<EOD
12345
2345
EOD;
/* null heredoc string */
$heredoc_empty_string = <<<EOD
EOD;
/* heredoc string with NULL */
$heredoc_NULL_string = <<<EOD
NULL
EOD;
// different valid scalar vlaues
$scalars = array(
/* integers */
0,
1,
-1,
-2147483648, // max negative integer value
-2147483647,
2147483647, // max positive integer value
2147483640,
0x123B, // integer as hexadecimal
0x12ab,
0Xfff,
0XFA,
/* floats */
-0x80000000, // max negative integer as hexadecimal
0x7fffffff, // max postive integer as hexadecimal
0x7FFFFFFF, // max postive integer as hexadecimal
0123, // integer as octal
01912, // should be quivalent to octal 1
-020000000000, // max negative integer as octal
017777777777, // max positive integer as octal
-2147483649, // float value
2147483648, // float value
-0x80000001, // float value, beyond max negative int
0x800000001, // float value, beyond max positive int
020000000001, // float value, beyond max positive int
-020000000001, // float value, beyond max negative int
0.0,
-0.1,
10.0000000000000000005,
10.5e+5,
1e-5,
.5e+7,
.6e-19,
.05E+44,
.0034E-30,
/* booleans */
true,
TRUE,
FALSE,
false,
/* strings */
"",
'',
" ",
' ',
'0',
"0",
"testing",
"0x564",
"0123",
"new\n",
'new\n',
"@#$$%^&&*()",
" ",
"null",
'null',
'true',
"true",
/*"\0123",
"\0x12FF",*/
$heredoc_string,
$heredoc_numeric_string,
$heredoc_empty_string
);
/* loop to check that strval() recognizes different
scalar values and retuns the string conversion of same */
$loop_counter = 1;
foreach ($scalars as $scalar ) {
echo "-- Iteration $loop_counter --\n"; $loop_counter++;
var_dump( strval($scalar) );
}
echo "\n*** Testing strval() with non_scalar values ***\n";
// get a resource type variable
$fp = fopen(__FILE__, "r");
$dfp = opendir( dirname(__FILE__) );
// unset variable
$unset_var = 10;
unset ($unset_var);
// non_scalar values, objects, arrays, resources and boolean
class foo
{
function __toString() {
return "Object";
}
}
$not_scalars = array (
new foo, //object
$fp, // resource
$dfp,
array(), // arrays
array(NULL),
array(1,2,3,4),
array("string"),
NULL, // nulls
null,
@$unset_var, // unset variable
@$undefined_var
);
/* loop through the $not_scalars to see working of
strval() on objects, arrays, boolean and others */
$loop_counter = 1;
foreach ($not_scalars as $value ) {
echo "-- Iteration $loop_counter --\n"; $loop_counter++;
var_dump( strval($value) );
}
echo "\n*** Testing error conditions ***\n";
//Zero argument
var_dump( strval() );
//arguments more than expected
var_dump( strval( $scalars[0], $scalars[1]) );
echo "Done\n";
?>
--CLEAN--
// close the resources used
fclose($fp);
closedir($dfp);
--EXPECTF--
*** Testing str_val() with scalar values***
-- Iteration 1 --
string(1) "0"
-- Iteration 2 --
string(1) "1"
-- Iteration 3 --
string(2) "-1"
-- Iteration 4 --
string(11) "-2147483648"
-- Iteration 5 --
string(11) "-2147483647"
-- Iteration 6 --
string(10) "2147483647"
-- Iteration 7 --
string(10) "2147483640"
-- Iteration 8 --
string(4) "4667"
-- Iteration 9 --
string(4) "4779"
-- Iteration 10 --
string(4) "4095"
-- Iteration 11 --
string(3) "250"
-- Iteration 12 --
string(11) "-2147483648"
-- Iteration 13 --
string(10) "2147483647"
-- Iteration 14 --
string(10) "2147483647"
-- Iteration 15 --
string(2) "83"
-- Iteration 16 --
string(1) "1"
-- Iteration 17 --
string(11) "-2147483648"
-- Iteration 18 --
string(10) "2147483647"
-- Iteration 19 --
string(11) "-2147483649"
-- Iteration 20 --
string(10) "2147483648"
-- Iteration 21 --
string(11) "-2147483649"
-- Iteration 22 --
string(11) "34359738369"
-- Iteration 23 --
string(10) "2147483649"
-- Iteration 24 --
string(11) "-2147483649"
-- Iteration 25 --
string(1) "0"
-- Iteration 26 --
string(4) "-0.1"
-- Iteration 27 --
string(2) "10"
-- Iteration 28 --
string(7) "1050000"
-- Iteration 29 --
string(6) "1.0E-5"
-- Iteration 30 --
string(7) "5000000"
-- Iteration 31 --
string(7) "6.0E-20"
-- Iteration 32 --
string(7) "5.0E+42"
-- Iteration 33 --
string(7) "3.4E-33"
-- Iteration 34 --
string(1) "1"
-- Iteration 35 --
string(1) "1"
-- Iteration 36 --
string(0) ""
-- Iteration 37 --
string(0) ""
-- Iteration 38 --
string(0) ""
-- Iteration 39 --
string(0) ""
-- Iteration 40 --
string(1) " "
-- Iteration 41 --
string(1) " "
-- Iteration 42 --
string(1) "0"
-- Iteration 43 --
string(1) "0"
-- Iteration 44 --
string(7) "testing"
-- Iteration 45 --
string(5) "0x564"
-- Iteration 46 --
string(4) "0123"
-- Iteration 47 --
string(4) "new
"
-- Iteration 48 --
string(5) "new\n"
-- Iteration 49 --
string(11) "@#$$%^&&*()"
-- Iteration 50 --
string(8) " "
-- Iteration 51 --
string(4) "null"
-- Iteration 52 --
string(4) "null"
-- Iteration 53 --
string(4) "true"
-- Iteration 54 --
string(4) "true"
-- Iteration 55 --
string(54) "This is a multiline heredoc
string. Numeric = 1232455."
-- Iteration 56 --
string(10) "12345
2345"
-- Iteration 57 --
string(0) ""
*** Testing strval() with non_scalar values ***
-- Iteration 1 --
string(6) "Object"
-- Iteration 2 --
string(14) "Resource id #5"
-- Iteration 3 --
string(14) "Resource id #6"
-- Iteration 4 --
string(5) "Array"
-- Iteration 5 --
string(5) "Array"
-- Iteration 6 --
string(5) "Array"
-- Iteration 7 --
string(5) "Array"
-- Iteration 8 --
string(0) ""
-- Iteration 9 --
string(0) ""
-- Iteration 10 --
string(0) ""
-- Iteration 11 --
string(0) ""
*** Testing error conditions ***
Warning: Wrong parameter count for strval() in %s on line %d
NULL
Warning: Wrong parameter count for strval() in %s on line %d
NULL
Done