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run code in 300+ PHP versions simultaneously
<?php $json = '{ "0 " : "test1" }'; // just decode that into an object $obj = json_decode($json); // recast it into an array $array = (array) $obj; // just dump to see the results var_dump($obj, $array, $array['0 '], $array[0]);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key 0 in /in/1WRui on line 8 object(stdClass)#1 (1) { ["0 "]=> string(5) "test1" } array(1) { ["0 "]=> string(5) "test1" } string(5) "test1" NULL
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 0 in /in/1WRui on line 8 object(stdClass)#1 (1) { ["0 "]=> string(5) "test1" } array(1) { ["0 "]=> string(5) "test1" } string(5) "test1" NULL
Output for 7.3.32 - 7.3.33
object(stdClass)#1 (1) { ["0 "]=> string(5) "test1" } array(1) { ["0 "]=> string(5) "test1" } string(5) "test1" NULL
Output for 5.2.0 - 5.2.17
Notice: Undefined offset: 0 in /in/1WRui on line 8 object(stdClass)#1 (1) { ["0 "]=> string(5) "test1" } array(1) { ["0 "]=> string(5) "test1" } string(5) "test1" 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/1WRui on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/1WRui on line 4
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/1WRui on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/1WRui on line 4

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