php:empty
Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Beide Seiten der vorigen RevisionVorhergehende ÜberarbeitungNächste Überarbeitung | Vorhergehende Überarbeitung | ||
| php:empty [05/04/2023 08:24] – Manuel | php:empty [05/04/2023 08:48] (aktuell) – Manuel | ||
|---|---|---|---|
| Zeile 21: | Zeile 21: | ||
| </ | </ | ||
| - | === empty() === | + | === empty() / ($case==false) / !boolval() === |
| <file php> | <file php> | ||
| - | 1 => true | + | 1 => true |
| - | 2 => true | + | 2 => true |
| - | 3 => true | + | 3 => true |
| - | 4 => true | + | 4 => true |
| - | 5 => true | + | 5 => true |
| - | 6 => true | + | 6 => true |
| - | 7 => true | + | 7 => true |
| - | 8 => true | + | 8 => true (0) |
| - | 9 => true | + | 9 => true (0.0) |
| - | 10 => false | + | 10 => false (stdClass()) |
| </ | </ | ||
| - | === empty() === | + | === isset() === |
| <file php> | <file php> | ||
| - | 1=> true | + | 1 => true |
| - | 2=> true | + | 2 => true |
| - | 3=> true | + | 3 => false (null) |
| - | 4=> true | + | 4 => true (array()) |
| - | 5=> true | + | 5 => true (FALSE) |
| - | 6=> true | + | 6 => false (NULL) |
| - | 7=> true | + | 7 => true (' |
| - | 8=> true | + | 8 => true (0) |
| + | 9 => true (0.0) | ||
| + | 10 => false (stdClass()) | ||
| + | </ | ||
| + | |||
| + | === is_null() === | ||
| + | |||
| + | <file php> | ||
| + | 1 => false ('' | ||
| + | 2 => false ("" | ||
| + | 3 | ||
| + | 4 => false (array()) | ||
| + | 5 => false (FALSE) | ||
| + | 6 | ||
| + | 7 => false (' | ||
| + | 8 => false (0) | ||
| + | 9 => false (0.0) | ||
| + | 10 => false (stdClass()) | ||
| + | </ | ||
| + | |||
| + | === ($case == 0) === | ||
| + | |||
| + | <file php> | ||
| + | 1 => true ('' | ||
| + | 2 => true ("" | ||
| + | 3 => true (null) | ||
| + | 4 => false (array()) | ||
| + | 5 => true | ||
| + | 6 => true | ||
| + | 7 => true | ||
| + | 8 => true (0) | ||
| + | 9 => true (0.0) | ||
| + | 10 => false (stdClass()) | ||
| + | </ | ||
| + | |||
| + | === ($case == '' | ||
| + | |||
| + | <file php> | ||
| + | 1 => true ('' | ||
| + | 2 => true ("" | ||
| + | 3 => true (null) | ||
| + | 4 => false (array()) | ||
| + | 5 => true (FALSE) | ||
| + | 6 => true (NULL) | ||
| + | 7 => false (' | ||
| + | 8 => true (0) | ||
| + | 9 => true (0.0) | ||
| + | 10 => false (stdClass()) | ||
| + | </ | ||
| + | |||
| + | === ($case == null) === | ||
| + | |||
| + | <file php> | ||
| + | 1 => true ('' | ||
| + | 2 => true ("" | ||
| + | 3 => true (null) | ||
| + | 4 => true (array()) | ||
| + | 5 => true (FALSE) | ||
| + | 6 => true (NULL) | ||
| + | 7 => false (' | ||
| + | 8 => true (0) | ||
| + | 9 => true (0.0) | ||
| + | 10 => false (stdClass()) | ||
| </ | </ | ||
php/empty.1680675897.txt.gz · Zuletzt geändert: 05/04/2023 08:24 von Manuel
