3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public function something() { print_r(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 1)); } } class bar { public static function elses() { $foo = new foo(); $foo->something(); } } bar::elses();
Output for 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 - 8.3.4, 8.3.6
Array ( [0] => Array ( [file] => /in/HEIas [line] => 15 [function] => something [class] => foo [type] => -> ) )
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 Array ( [0] => Array ( [file] => /in/HEIas [line] => 15 [function] => something [class] => foo [type] => -> ) )
Output for 5.3.6 - 5.3.29
Warning: debug_backtrace() expects at most 1 parameter, 2 given in /in/HEIas on line 6
Output for 5.2.5 - 5.2.17, 5.3.0 - 5.3.5
Notice: Use of undefined constant DEBUG_BACKTRACE_IGNORE_ARGS - assumed 'DEBUG_BACKTRACE_IGNORE_ARGS' in /in/HEIas on line 6 Warning: debug_backtrace() expects at most 1 parameter, 2 given in /in/HEIas on line 6
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.4
Notice: Use of undefined constant DEBUG_BACKTRACE_IGNORE_ARGS - assumed 'DEBUG_BACKTRACE_IGNORE_ARGS' in /in/HEIas on line 6 Warning: Wrong parameter count for debug_backtrace() in /in/HEIas on line 6
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/HEIas on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/HEIas on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/HEIas on line 4
Process exited with code 255.

preferences:
269.39 ms | 401 KiB | 459 Q