3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = json_decode('{"3":{"friend":45,"all":100},"2":{"friend":30,"all":50},"1":{"friend":25,"all":25}}'); $b = (array) $a; $n = '3'; var_dump($b); var_dump($b[$n]);
Output for 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
array(3) { [3]=> object(stdClass)#1 (2) { ["friend"]=> int(45) ["all"]=> int(100) } [2]=> object(stdClass)#3 (2) { ["friend"]=> int(30) ["all"]=> int(50) } [1]=> object(stdClass)#4 (2) { ["friend"]=> int(25) ["all"]=> int(25) } } object(stdClass)#1 (2) { ["friend"]=> int(45) ["all"]=> int(100) }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25
array(3) { ["3"]=> object(stdClass)#1 (2) { ["friend"]=> int(45) ["all"]=> int(100) } ["2"]=> object(stdClass)#3 (2) { ["friend"]=> int(30) ["all"]=> int(50) } ["1"]=> object(stdClass)#4 (2) { ["friend"]=> int(25) ["all"]=> int(25) } } Notice: Undefined offset: 3 in /in/X7PK3 on line 6 NULL
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
array(3) { ["3"]=> object(stdClass)#2 (2) { ["friend"]=> int(45) ["all"]=> int(100) } ["2"]=> object(stdClass)#3 (2) { ["friend"]=> int(30) ["all"]=> int(50) } ["1"]=> object(stdClass)#4 (2) { ["friend"]=> int(25) ["all"]=> int(25) } } Notice: Undefined offset: 3 in /in/X7PK3 on line 6 NULL
Output for 5.3.0 - 5.3.29
array(3) { ["3"]=> object(stdClass)#2 (2) { ["friend"]=> int(45) ["all"]=> int(100) } ["2"]=> object(stdClass)#3 (2) { ["friend"]=> int(30) ["all"]=> int(50) } ["1"]=> object(stdClass)#4 (2) { ["friend"]=> int(25) ["all"]=> int(25) } } Notice: Undefined index: 3 in /in/X7PK3 on line 6 NULL
Output for 5.2.0 - 5.2.17
array(3) { ["3"]=> object(stdClass)#2 (2) { ["friend"]=> int(45) ["all"]=> int(100) } ["2"]=> object(stdClass)#3 (2) { ["friend"]=> int(30) ["all"]=> int(50) } ["1"]=> object(stdClass)#4 (2) { ["friend"]=> int(25) ["all"]=> int(25) } } Notice: Undefined index: 3 in /in/X7PK3 on line 6 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/X7PK3 on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/X7PK3 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/X7PK3 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/X7PK3 on line 2

preferences:
302.9 ms | 401 KiB | 424 Q