| Server IP : 79.136.114.73 / Your IP : 3.135.204.121 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /proc/self/root/home/b8009/php-5.6.22/ext/standard/tests/general_functions/ |
Upload File : |
--TEST--
Test is_numeric() function
--FILE--
<?php
/* Prototype: bool is_numeric ( mixed $var );
* Description: Finds whether a variable is a number or a numeric string
*/
echo "*** Testing is_numeric() with valid numeric values ***\n";
// different valid numeric vlaues
$numerics = array(
0,
1,
-1,
-0,
+0,
0.0,
-0.0,
+0.0,
1.0,
-1.0,
+1.0,
.5,
-.5,
+.5,
-.5e-2,
.5e-2,
+.5e-2,
+.5E+2,
0.70000000,
+0.70000000,
-0.70000000,
1234567890123456,
-1234567890123456,
984847472827282718178,
-984847472827282718178,
123.56e30,
123.56E30,
426.45e-30,
5657.3E-40,
3486.36e+40,
3486.36E+90,
-3486.36E+10,
-3486.36e+80,
-426.45e-50,
-426.45E-99,
1e2,
-1e2,
-1e-2,
+1e2,
+1e+2,
+1e-2,
+1e+2,
2245555555555555.444,
1.444444444444444444,
0xff, // hexa decimal numbers
0xFF,
//0x1111111111111111111111,
-0x1111111,
+0x6698319,
01000000000000000000000,
0123,
0345900,
-0200001,
-0200001.7,
0200001.7,
+0200001,
+0200001.7,
+0200001.7,
2.00000000000000000000001, // a float value with more precision points
"1", // numeric in the form of string
"-1",
"1e2",
" 1",
"2974394749328742328432",
"-1e-2",
'1',
'-1',
'1e2',
' 1',
'2974394749328742328432',
'-1e-2',
"0xff",
'0xff',
"0123",
'0123',
"-0123",
"+0123",
'-0123',
'+0123'
);
/* loop to check that is_numeric() recognizes different
numeric values, expected output: bool(true) */
$loop_counter = 1;
foreach ($numerics as $num ) {
echo "-- Iteration $loop_counter --\n"; $loop_counter++;
var_dump( is_numeric($num) );
}
echo "\n*** Testing is_numeric() on non numeric types ***\n";
// get a resource type variable
$fp = fopen (__FILE__, "r");
$dfp = opendir ( dirname(__FILE__) );
// unset variable
$unset_var = 10.5;
unset ($unset_var);
// other types in a array
$not_numerics = array(
"-0x80001",
"+0x80001",
"-0x80001.5",
"0x80001.5",
new stdclass, // object
$fp, // resource
$dfp,
array(),
array("string"),
"",
"1 ",
"- 1",
"1.2.4",
"1e7.6",
"3FF",
"20 test",
"3.6test",
"1,000",
"NULL",
"true",
true,
NULL,
null,
TRUE,
FALSE,
false,
@$unset_var, // unset variable
@$undefined_var
);
/* loop through the $not_numerics to see working of
is_numeric() on non numeric values, expected output: bool(false) */
$loop_counter = 1;
foreach ($not_numerics as $type ) {
echo "-- Iteration $loop_counter --\n"; $loop_counter++;
var_dump( is_numeric($type) );
}
echo "\n*** Testing error conditions ***\n";
//Zero argument
var_dump( is_numeric() );
//arguments more than expected
var_dump( is_numeric("10", "20") );
echo "Done\n";
// close the resources used
fclose($fp);
closedir($dfp);
?>
--EXPECTF--
*** Testing is_numeric() with valid numeric values ***
-- Iteration 1 --
bool(true)
-- Iteration 2 --
bool(true)
-- Iteration 3 --
bool(true)
-- Iteration 4 --
bool(true)
-- Iteration 5 --
bool(true)
-- Iteration 6 --
bool(true)
-- Iteration 7 --
bool(true)
-- Iteration 8 --
bool(true)
-- Iteration 9 --
bool(true)
-- Iteration 10 --
bool(true)
-- Iteration 11 --
bool(true)
-- Iteration 12 --
bool(true)
-- Iteration 13 --
bool(true)
-- Iteration 14 --
bool(true)
-- Iteration 15 --
bool(true)
-- Iteration 16 --
bool(true)
-- Iteration 17 --
bool(true)
-- Iteration 18 --
bool(true)
-- Iteration 19 --
bool(true)
-- Iteration 20 --
bool(true)
-- Iteration 21 --
bool(true)
-- Iteration 22 --
bool(true)
-- Iteration 23 --
bool(true)
-- Iteration 24 --
bool(true)
-- Iteration 25 --
bool(true)
-- Iteration 26 --
bool(true)
-- Iteration 27 --
bool(true)
-- Iteration 28 --
bool(true)
-- Iteration 29 --
bool(true)
-- Iteration 30 --
bool(true)
-- Iteration 31 --
bool(true)
-- Iteration 32 --
bool(true)
-- Iteration 33 --
bool(true)
-- Iteration 34 --
bool(true)
-- Iteration 35 --
bool(true)
-- Iteration 36 --
bool(true)
-- Iteration 37 --
bool(true)
-- Iteration 38 --
bool(true)
-- Iteration 39 --
bool(true)
-- Iteration 40 --
bool(true)
-- Iteration 41 --
bool(true)
-- Iteration 42 --
bool(true)
-- Iteration 43 --
bool(true)
-- Iteration 44 --
bool(true)
-- Iteration 45 --
bool(true)
-- Iteration 46 --
bool(true)
-- Iteration 47 --
bool(true)
-- Iteration 48 --
bool(true)
-- Iteration 49 --
bool(true)
-- Iteration 50 --
bool(true)
-- Iteration 51 --
bool(true)
-- Iteration 52 --
bool(true)
-- Iteration 53 --
bool(true)
-- Iteration 54 --
bool(true)
-- Iteration 55 --
bool(true)
-- Iteration 56 --
bool(true)
-- Iteration 57 --
bool(true)
-- Iteration 58 --
bool(true)
-- Iteration 59 --
bool(true)
-- Iteration 60 --
bool(true)
-- Iteration 61 --
bool(true)
-- Iteration 62 --
bool(true)
-- Iteration 63 --
bool(true)
-- Iteration 64 --
bool(true)
-- Iteration 65 --
bool(true)
-- Iteration 66 --
bool(true)
-- Iteration 67 --
bool(true)
-- Iteration 68 --
bool(true)
-- Iteration 69 --
bool(true)
-- Iteration 70 --
bool(true)
-- Iteration 71 --
bool(true)
-- Iteration 72 --
bool(true)
-- Iteration 73 --
bool(true)
-- Iteration 74 --
bool(true)
-- Iteration 75 --
bool(true)
-- Iteration 76 --
bool(true)
-- Iteration 77 --
bool(true)
-- Iteration 78 --
bool(true)
*** Testing is_numeric() on non numeric types ***
-- Iteration 1 --
bool(false)
-- Iteration 2 --
bool(false)
-- Iteration 3 --
bool(false)
-- Iteration 4 --
bool(false)
-- Iteration 5 --
bool(false)
-- Iteration 6 --
bool(false)
-- Iteration 7 --
bool(false)
-- Iteration 8 --
bool(false)
-- Iteration 9 --
bool(false)
-- Iteration 10 --
bool(false)
-- Iteration 11 --
bool(false)
-- Iteration 12 --
bool(false)
-- Iteration 13 --
bool(false)
-- Iteration 14 --
bool(false)
-- Iteration 15 --
bool(false)
-- Iteration 16 --
bool(false)
-- Iteration 17 --
bool(false)
-- Iteration 18 --
bool(false)
-- Iteration 19 --
bool(false)
-- Iteration 20 --
bool(false)
-- Iteration 21 --
bool(false)
-- Iteration 22 --
bool(false)
-- Iteration 23 --
bool(false)
-- Iteration 24 --
bool(false)
-- Iteration 25 --
bool(false)
-- Iteration 26 --
bool(false)
-- Iteration 27 --
bool(false)
-- Iteration 28 --
bool(false)
*** Testing error conditions ***
Warning: is_numeric() expects exactly 1 parameter, 0 given in %s on line %d
NULL
Warning: is_numeric() expects exactly 1 parameter, 2 given in %s on line %d
NULL
Done