3v4l.org

run code in 300+ PHP versions simultaneously
<?php $constants = get_defined_constants(true); $json_errors = array(); foreach ($constants as $name => $value) { if (!strncmp($name, "JSON_ERROR_", 11)) { $json_errors[$value] = $name; } } var_dump($json_errors);
Output for git.master, git.master_jit, rfc.property-hooks
array(0) { }

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page


preferences:
41.76 ms | 401 KiB | 8 Q