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| 1 | <?php | |
| 2 | ||
| 3 | - | $file = '/tmp/' . uniqid(); |
| 3 | + | // create random file name |
| 4 | - | var_dump(file_exists($file)); |
| 4 | + | $file = '/tmp/' . uniqid(); |
| 5 | ||
| 6 | // the file doesn't exist yet | |
| 7 | - | var_dump(file_exists($file)); |
| 7 | + | var_dump(file_exists($file)); // false |
| 8 | ||
| 9 | // create the file | |
| 10 | file_put_contents($file, 'test'); | |
| 11 | var_dump(file_exists($file)); // true | |
| 12 | ||
| 13 | // as the manual points out, unlink will clear the cache | |
| 14 | // use the shell to remove the file | |
| 15 | `rm '$file'`; | |
| 16 | ||
| 17 | // can return true when results get cached | |
| 18 | if(file_exists($file)) {
| |
| 19 | // behaviour like mentioned in PHP documentation | |
| 20 | echo 'error'; // never happended at my machine | |
| 21 | } |
