<?php
/*$tests = [
'[] == false' => [] == false,
'[0] == true' => [0] == true,
'"" == false' => '' == false,
'"ABC" == false' => 'ABC' == false,
'"0" == false' => '0' == false,
'"1" == true' => '1' == true,
'"123" == false' => '123' == true,
'null == false' => null == false,
'0 == false' => 0 == false,
'0.49 == false' => 0.49 == false,
'undefined == false' => $xyz == false
];*/
function _setType($var, $type)
{
settype($var, $type);
return $var;
}
function testTypeCasting($val)
{
static $types = ["bool", "int", "float", "string", "array", "object", "null"];
$result = [];
foreach ($types as $type) {
$temp = _setType($val, $type);
if ($type === 'object') {
$type .= '(' . get_class($temp) . ')';
}
$result[$type] = $temp;
}
return $result;
}
var_dump(testTypeCasting([123, 'b', 'c']));
var_dump(0 == null);
/*
$i = 0;
foreach($tests as $name => $val) {
echo ++$i . ') ' . $name . ' => ' . ($val ? 'T' : 'F') . "\n";
}
*/
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Warning: Array to string conversion in /in/lHtQV on line 19
array(7) {
["bool"]=>
bool(true)
["int"]=>
int(1)
["float"]=>
float(1)
["string"]=>
string(5) "Array"
["array"]=>
array(3) {
[0]=>
int(123)
[1]=>
string(1) "b"
[2]=>
string(1) "c"
}
["object(stdClass)"]=>
object(stdClass)#1 (3) {
["0"]=>
int(123)
["1"]=>
string(1) "b"
["2"]=>
string(1) "c"
}
["null"]=>
NULL
}
bool(true)
- Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
- Notice: Array to string conversion in /in/lHtQV on line 19
array(7) {
["bool"]=>
bool(true)
["int"]=>
int(1)
["float"]=>
float(1)
["string"]=>
string(5) "Array"
["array"]=>
array(3) {
[0]=>
int(123)
[1]=>
string(1) "b"
[2]=>
string(1) "c"
}
["object(stdClass)"]=>
object(stdClass)#1 (3) {
["0"]=>
int(123)
["1"]=>
string(1) "b"
["2"]=>
string(1) "c"
}
["null"]=>
NULL
}
bool(true)
- Output for 7.3.32 - 7.3.33
- array(7) {
["bool"]=>
bool(true)
["int"]=>
int(1)
["float"]=>
float(1)
["string"]=>
string(5) "Array"
["array"]=>
array(3) {
[0]=>
int(123)
[1]=>
string(1) "b"
[2]=>
string(1) "c"
}
["object(stdClass)"]=>
object(stdClass)#1 (3) {
["0"]=>
int(123)
["1"]=>
string(1) "b"
["2"]=>
string(1) "c"
}
["null"]=>
NULL
}
bool(true)
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
- Notice: Array to string conversion in /in/lHtQV on line 19
array(7) {
["bool"]=>
bool(true)
["int"]=>
int(1)
["float"]=>
float(1)
["string"]=>
string(5) "Array"
["array"]=>
array(3) {
[0]=>
int(123)
[1]=>
string(1) "b"
[2]=>
string(1) "c"
}
["object(stdClass)"]=>
object(stdClass)#1 (3) {
[0]=>
int(123)
[1]=>
string(1) "b"
[2]=>
string(1) "c"
}
["null"]=>
NULL
}
bool(true)
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/lHtQV on line 24
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/lHtQV on line 24
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/lHtQV on line 24
Process exited with code 255.
preferences:
268.24 ms | 401 KiB | 460 Q