3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo json_encode(array('container'=>true,'req_keys'=>array('function','troop'),'content'=>array(array('key'=>'function', 'in_set'=>array('utok','validate')),array('container'=>true,'key'=>'troop','content'=>array( array('container'=>true,'key'=>array('preg_match'=>'/^[a-z][a-z_]*$/'),'num'=>3,'req_keys'=>array('pocet','phb','focus'), 'content'=>array(array('key'=>array('in_set'=>array('pocet','phb'),),'preg_sanitize'=>'/\D/','len'=>'1+','default'=>NULL,), array('key'=>'focus','in_set'=>array('pwr','dmg','poc','zvt'),),),)),),array('key'=>'utok_id','preg_sanitize'=>'/\D/','range'=>'1+'), array('container'=>true,'key'=>'podpora','content'=>array(array('key'=>array('preg_match'=>'/^\d+$/','len'=>'1+','range'=>'1+',), 'preg_sanitize'=>'/\D/','len'=>'1+','range'=>'1+',),),),array('key'=>'ready','equals'=>'ready',),array('key'=>'max_stack_pwr','preg_sanitize'=>'/\D/','len'=>'1+'),),));
Output for 5.2.0 - 7.1.0
{"container":true,"req_keys":["function","troop"],"content":[{"key":"function","in_set":["utok","validate"]},{"container":true,"key":"troop","content":[{"container":true,"key":{"preg_match":"\/^[a-z][a-z_]*$\/"},"num":3,"req_keys":["pocet","phb","focus"],"content":[{"key":{"in_set":["pocet","phb"]},"preg_sanitize":"\/\\D\/","len":"1+","default":null},{"key":"focus","in_set":["pwr","dmg","poc","zvt"]}]}]},{"key":"utok_id","preg_sanitize":"\/\\D\/","range":"1+"},{"container":true,"key":"podpora","content":[{"key":{"preg_match":"\/^\\d+$\/","len":"1+","range":"1+"},"preg_sanitize":"\/\\D\/","len":"1+","range":"1+"}]},{"key":"ready","equals":"ready"},{"key":"max_stack_pwr","preg_sanitize":"\/\\D\/","len":"1+"}]}
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/KUaUE on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/KUaUE on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/KUaUE on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/KUaUE on line 2