<?php
$a = array('', 0, false, 1, 'false', null, '0', true, 1, '1');
foreach($a as $i => $val) {
echo "$val : \n"; $b = (isset($a[$i]) && (bool) $a[$i]);
var_dump($b);
}
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.3.4, 8.3.6
- :
bool(false)
0 :
bool(false)
:
bool(false)
1 :
bool(true)
false :
bool(true)
:
bool(false)
0 :
bool(false)
1 :
bool(true)
1 :
bool(true)
1 :
bool(true)
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
:
bool(false)
0 :
bool(false)
:
bool(false)
1 :
bool(true)
false :
bool(true)
:
bool(false)
0 :
bool(false)
1 :
bool(true)
1 :
bool(true)
1 :
bool(true)
preferences:
233.06 ms | 402 KiB | 322 Q