3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( 'foo' => 'bar', 'baz' => array( 'test' => 'bat', ), ); $string = json_encode($arr); echo $string, '<br/>'; $json = json_decode($string, true); $json['stuff']['name'] ='me'; $newJsonString = json_encode($json); echo $newJsonString;
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 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 - 8.3.6
{"foo":"bar","baz":{"test":"bat"}}<br/>{"foo":"bar","baz":{"test":"bat"},"stuff":{"name":"me"}}
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/NalRm on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/NalRm on line 8
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_encode() in /in/NalRm on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/NalRm on line 8
preferences:
287.08 ms | 401 KiB | 460 Q