3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_SESSION ['test'] [ 't****' ] = 'Hello'; var_dump($_SESSION); echo "\n" . $_SESSION [ 'test' ] [ 't****' ]; $var = "test2"; for ($i = 4 ; $i > 0 ; $i--){ $var [$i] = "*"; echo "\n" . $_SESSION['test'][$var]; } $var = "test2"; for ($i = 0 ; $i < 4 ; $i++){ $var = substr($var, count($var)-1, -$i) . '*'; echo "\n" . $_SESSION['test'][$var]; }
Output for 8.0.10 - 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(1) { ["test"]=> array(1) { ["t****"]=> string(5) "Hello" } } Hello Warning: Undefined array key "test*" in /in/A5AID on line 12 Warning: Undefined array key "tes**" in /in/A5AID on line 12 Warning: Undefined array key "te***" in /in/A5AID on line 12 Hello Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in /in/A5AID:18 Stack trace: #0 {main} thrown in /in/A5AID on line 18
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(1) { ["test"]=> array(1) { ["t****"]=> string(5) "Hello" } } Hello Warning: Undefined array key "test*" in /in/A5AID on line 12 Warning: Undefined array key "tes**" in /in/A5AID on line 12 Warning: Undefined array key "te***" in /in/A5AID on line 12 Hello Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in /in/A5AID:18 Stack trace: #0 {main} thrown in /in/A5AID on line 18
Process exited with code 255.
Output for 8.0.0 - 8.0.9
array(1) { ["test"]=> array(1) { ["t****"]=> string(5) "Hello" } } Hello Warning: Undefined array key "test*" in /in/A5AID on line 12 Warning: Undefined array key "tes**" in /in/A5AID on line 12 Warning: Undefined array key "te***" in /in/A5AID on line 12 Hello Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, string given in /in/A5AID:18 Stack trace: #0 {main} thrown in /in/A5AID on line 18
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
array(1) { ["test"]=> array(1) { ["t****"]=> string(5) "Hello" } } Hello Notice: Undefined index: test* in /in/A5AID on line 12 Notice: Undefined index: tes** in /in/A5AID on line 12 Notice: Undefined index: te*** in /in/A5AID on line 12 Hello Warning: count(): Parameter must be an array or an object that implements Countable in /in/A5AID on line 18 Notice: Undefined index: * in /in/A5AID on line 19 Warning: count(): Parameter must be an array or an object that implements Countable in /in/A5AID on line 18 Notice: Undefined index: * in /in/A5AID on line 19 Warning: count(): Parameter must be an array or an object that implements Countable in /in/A5AID on line 18 Notice: Undefined index: * in /in/A5AID on line 19 Warning: count(): Parameter must be an array or an object that implements Countable in /in/A5AID on line 18 Notice: Undefined index: * in /in/A5AID on line 19
Output for 7.3.32 - 7.3.33
array(1) { ["test"]=> array(1) { ["t****"]=> string(5) "Hello" } } Hello Hello Warning: count(): Parameter must be an array or an object that implements Countable in /in/A5AID on line 18 Warning: count(): Parameter must be an array or an object that implements Countable in /in/A5AID on line 18 Warning: count(): Parameter must be an array or an object that implements Countable in /in/A5AID on line 18 Warning: count(): Parameter must be an array or an object that implements Countable in /in/A5AID on line 18
Output for 5.6.0 - 5.6.38, 7.0.11 - 7.0.33, 7.1.0 - 7.1.25
array(1) { ["test"]=> array(1) { ["t****"]=> string(5) "Hello" } } Hello Notice: Undefined index: test* in /in/A5AID on line 12 Notice: Undefined index: tes** in /in/A5AID on line 12 Notice: Undefined index: te*** in /in/A5AID on line 12 Hello Notice: Undefined index: * in /in/A5AID on line 19 Notice: Undefined index: * in /in/A5AID on line 19 Notice: Undefined index: * in /in/A5AID on line 19 Notice: Undefined index: * in /in/A5AID on line 19
Output for 7.0.0 - 7.0.10
array(1) { ["test"]=> array(1) { ["t****"]=> string(5) "Hello" } } Hello Notice: Undefined index: test* in /in/A5AID on line 12 Notice: Undefined index: tes** in /in/A5AID on line 12 Notice: Undefined index: te*** in /in/A5AID on line 12 Notice: Undefined index: t**** in /in/A5AID on line 12 Notice: Undefined index: * in /in/A5AID on line 19 Notice: Undefined index: * in /in/A5AID on line 19 Notice: Undefined index: * in /in/A5AID on line 19 Notice: Undefined index: * in /in/A5AID on line 19

preferences:
212.23 ms | 402 KiB | 255 Q