3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); $array = ["foo", 124, 42, "bar"]; $actions = [ function() use($array, &$actions, &$i) { // Do something with $array[$i] $actions[!isset($array[++$i])](); }, function() { /* abort */ } ]; $i = 0; $actions[!isset($array[$i])](); foreach (get_defined_vars() as $var) { var_dump($var, $$var); }
Output for 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) { } NULL array(0) { } NULL array(0) { } NULL array(0) { } NULL array(1) { [0]=> string(9) "/in/gp22o" } NULL int(1) NULL array(17) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/gp22o" ["SCRIPT_NAME"]=> string(9) "/in/gp22o" ["SCRIPT_FILENAME"]=> string(9) "/in/gp22o" ["PATH_TRANSLATED"]=> string(9) "/in/gp22o" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1440192204.0001) ["REQUEST_TIME"]=> int(1440192204) ["argv"]=> array(1) { [0]=> string(9) "/in/gp22o" } ["argc"]=> int(1) } NULL array(4) { [0]=> string(3) "foo" [1]=> int(124) [2]=> int(42) [3]=> string(3) "bar" } NULL array(2) { [0]=> object(Closure)#1 (1) { ["static"]=> array(3) { ["array"]=> array(4) { [0]=> string(3) "foo" [1]=> int(124) [2]=> int(42) [3]=> string(3) "bar" } ["actions"]=> *RECURSION* ["i"]=> &int(4) } } [1]=> object(Closure)#2 (0) { } } NULL int(4) NULL
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) { } NULL array(0) { } NULL array(0) { } NULL array(0) { } NULL array(1) { [0]=> string(9) "/in/gp22o" } NULL int(1) NULL array(17) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/gp22o" ["SCRIPT_NAME"]=> string(9) "/in/gp22o" ["SCRIPT_FILENAME"]=> string(9) "/in/gp22o" ["PATH_TRANSLATED"]=> string(9) "/in/gp22o" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1440192204.0001) ["REQUEST_TIME"]=> int(1440192204) ["argv"]=> array(1) { [0]=> string(9) "/in/gp22o" } ["argc"]=> int(1) } NULL array(4) { [0]=> string(3) "foo" [1]=> int(124) [2]=> int(42) [3]=> string(3) "bar" } NULL array(2) { [0]=> object(Closure)#1 (1) { ["static"]=> array(3) { ["array"]=> array(4) { [0]=> string(3) "foo" [1]=> int(124) [2]=> int(42) [3]=> string(3) "bar" } ["actions"]=> *RECURSION* ["i"]=> &int(4) } } [1]=> object(Closure)#2 (0) { } } NULL int(4) NULL
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
array(0) { } NULL array(0) { } NULL array(0) { } NULL array(0) { } NULL array(1) { [0]=> string(9) "/in/gp22o" } NULL int(1) NULL array(17) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/gp22o" ["SCRIPT_NAME"]=> string(9) "/in/gp22o" ["SCRIPT_FILENAME"]=> string(9) "/in/gp22o" ["PATH_TRANSLATED"]=> string(9) "/in/gp22o" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1440192204.0001) ["REQUEST_TIME"]=> int(1440192204) ["argv"]=> array(1) { [0]=> string(9) "/in/gp22o" } ["argc"]=> int(1) } NULL array(4) { [0]=> string(3) "foo" [1]=> int(124) [2]=> int(42) [3]=> string(3) "bar" } NULL array(2) { [0]=> object(Closure)#1 (1) { ["static"]=> array(3) { ["array"]=> array(4) { [0]=> string(3) "foo" [1]=> int(124) [2]=> int(42) [3]=> string(3) "bar" } ["actions"]=> &array(2) { [0]=> *RECURSION* [1]=> object(Closure)#2 (0) { } } ["i"]=> &int(4) } } [1]=> object(Closure)#2 (0) { } } NULL int(4) NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/gp22o on line 5
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/gp22o on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gp22o on line 5
Process exited with code 255.
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297.68 ms | 401 KiB | 464 Q