<?php
$a = [];
$a['aaaa']['mode'] = 'test';
$a['b'] = false;
$a['c'] = '';
$a['d'] = 0;
$a['e'] = new \stdClass();
$a['f'] = null;
var_dump('isset');
var_dump(isset($a['a']));
var_dump(isset($a['b']));
var_dump(isset($a['c']));
var_dump(isset($a['d']));
var_dump(isset($a['e']));
var_dump(isset($a['f']));
var_dump('empty');
var_dump(empty($a['a']));
var_dump(empty($a['b']));
var_dump(empty($a['c']));
var_dump(empty($a['d']));
var_dump(empty($a['e']));
var_dump(empty($a['f']));
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- string(5) "isset"
bool(false)
bool(true)
bool(true)
bool(true)
bool(true)
bool(false)
string(5) "empty"
bool(true)
bool(true)
bool(true)
bool(true)
bool(false)
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/hK0db on line 2
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/hK0db on line 2
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/hK0db on line 2
Process exited with code 255.
preferences:
283.42 ms | 401 KiB | 422 Q