@ 2014-10-28T12:42:40Z <?php
$a = array(1, 2);
$b = array(&$a);
$a[] = $b;
var_dump(json_encode($a));
//echo json_last_error_msg();
Enable javascript to submit You have javascript disabled. You will not be able to edit any code.
Output for 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 - 8.3.4 , 8.3.6 bool(false)
Output for 8.3.5 Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
bool(false)
Output for 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 Warning: json_encode(): recursion detected in /in/lOZTU on line 8
string(18) "[1,2,[[1,2,null]]]"
Output for 5.0.0 - 5.0.5 , 5.1.1 - 5.1.6 Fatal error: Call to undefined function json_encode() in /in/lOZTU on line 8
Process exited with code 255 . Output for 5.1.0 Fatal error: fatal flex scanner internal error--end of buffer missed in /in/lOZTU on line 9
Process exited with code 255 . Output for 4.4.5 - 4.4.9 Fatal error: Call to undefined function: json_encode() in /in/lOZTU 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/lOZTU 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/lOZTU on line 8
preferences:dark mode live preview
314.33 ms | 401 KiB | 459 Q