- Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- array(2) {
["foo"]=>
int(42)
["bar"]=>
NULL
}
- 'foo'
isset: bool(true)
array_key_exists: bool(true)
- 'bar'
isset: bool(false)
array_key_exists: bool(true)
- 'qux'
isset: bool(false)
array_key_exists: bool(false)
array(0) {
}
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(2) {
["foo"]=>
int(42)
["bar"]=>
NULL
}
}
- 'foo'
isset: bool(true)
array_key_exists: bool(true)
- 'bar'
isset: bool(false)
array_key_exists: bool(true)
- 'qux'
isset: bool(false)
array_key_exists: bool(false)
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(0) {
}
}
- 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
array(2) {
["foo"]=>
int(42)
["bar"]=>
NULL
}
- 'foo'
isset: bool(true)
array_key_exists: bool(true)
- 'bar'
isset: bool(false)
array_key_exists: bool(true)
- 'qux'
isset: bool(false)
array_key_exists: bool(false)
array(0) {
}
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(2) {
["foo"]=>
int(42)
["bar"]=>
NULL
}
}
- 'foo'
isset: bool(true)
array_key_exists: bool(true)
- 'bar'
isset: bool(false)
array_key_exists: bool(true)
- 'qux'
isset: bool(false)
array_key_exists: bool(false)
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(0) {
}
}
- Output for 8.0.0 - 8.0.30
- array(2) {
["foo"]=>
int(42)
["bar"]=>
NULL
}
- 'foo'
isset: bool(true)
array_key_exists: bool(true)
- 'bar'
isset: bool(false)
array_key_exists: bool(true)
- 'qux'
isset: bool(false)
array_key_exists: bool(false)
array(0) {
}
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(2) {
["foo"]=>
int(42)
["bar"]=>
NULL
}
}
- 'foo'
isset: bool(true)
array_key_exists: bool(true)
- 'bar'
isset: bool(false)
array_key_exists: bool(true)
- 'qux'
isset: bool(false)
array_key_exists: bool(false)
Warning: Undefined array key "qux" in /in/WVJnf on line 12
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(0) {
}
}
- Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- array(2) {
["foo"]=>
int(42)
["bar"]=>
NULL
}
- 'foo'
isset: bool(true)
array_key_exists: bool(true)
- 'bar'
isset: bool(false)
array_key_exists: bool(true)
- 'qux'
isset: bool(false)
array_key_exists: bool(false)
array(0) {
}
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(2) {
["foo"]=>
int(42)
["bar"]=>
NULL
}
}
- 'foo'
isset: bool(true)
array_key_exists: bool(true)
- 'bar'
isset: bool(false)
array_key_exists: bool(true)
- 'qux'
isset: bool(false)
array_key_exists: bool(false)
Notice: Undefined index: qux in /in/WVJnf on line 12
object(ArrayObject)#1 (1) {
["storage":"ArrayObject":private]=>
array(0) {
}
}