<?php
$tests = [
'[] == false' => [] == false,
'[0] == true' => [0] == true,
'"" == false' => '' == false,
'"ABC" == false' => 'ABC' == false,
'"0" == false' => '0' == false,
'"1" == true' => '1' == true,
'"123" == false' => '123' == true,
'null == false' => null == false,
'0 == false' => 0 == false,
'0.49 == false' => 0.49 == false,
'$xyz == false' => $xyz == false
];
$i = 0;
foreach($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: Undefined variable $xyz in /in/IgaXE on line 4
1) [] == false => T
2) [0] == true => T
3) "" == false => T
4) "ABC" == false => F
5) "0" == false => T
6) "1" == true => T
7) "123" == false => T
8) null == false => T
9) 0 == false => T
10) 0.49 == false => F
11) $xyz == false => T
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
- Notice: Undefined variable: xyz in /in/IgaXE on line 4
1) [] == false => T
2) [0] == true => T
3) "" == false => T
4) "ABC" == false => F
5) "0" == false => T
6) "1" == true => T
7) "123" == false => T
8) null == false => T
9) 0 == false => T
10) 0.49 == false => F
11) $xyz == false => T
- Output for 7.3.32 - 7.3.33
- 1) [] == false => T
2) [0] == true => T
3) "" == false => T
4) "ABC" == false => F
5) "0" == false => T
6) "1" == true => T
7) "123" == false => T
8) null == false => T
9) 0 == false => T
10) 0.49 == false => F
11) $xyz == false => T
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
- Notice: Undefined variable: xyz in /in/IgaXE on line 15
1) [] == false => T
2) [0] == true => T
3) "" == false => T
4) "ABC" == false => F
5) "0" == false => T
6) "1" == true => T
7) "123" == false => T
8) null == false => T
9) 0 == false => T
10) 0.49 == false => F
11) $xyz == false => T
- 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/IgaXE on line 3
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/IgaXE on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/IgaXE on line 3
Process exited with code 255.
preferences:
205.93 ms | 401 KiB | 314 Q