3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_ = ''; $_[+$_]++; $_ = $_ . ''; $__ = $_[+'']; $_ = $__; $___ = $_; $__ = $_; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $___ .= $__; $___ .= $__; $__ = $_; $__++; $__++; $__++; $__++; $___ .= $__; $__ = $_; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $___ .= $__; $__ = $_; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $___ .= $__; $____ = '_'; $__ = $_; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $__++; $____ .= $__; $__ = $_; $__++; $__++; $__++; $__;
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
Fatal error: Uncaught TypeError: Unsupported operand types: string * int in /in/ZmM3V:4 Stack trace: #0 {main} thrown in /in/ZmM3V on line 4
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 Fatal error: Uncaught TypeError: Unsupported operand types: string * int in /in/ZmM3V:4 Stack trace: #0 {main} thrown in /in/ZmM3V on line 4
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/ZmM3V on line 4 Fatal error: Uncaught Error: Cannot increment/decrement string offsets in /in/ZmM3V:4 Stack trace: #0 {main} thrown in /in/ZmM3V on line 4
Process exited with code 255.
Output for 5.6.38, 7.0.33
Notice: Undefined offset: 0 in /in/ZmM3V on line 4 Notice: Array to string conversion in /in/ZmM3V on line 5

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188.76 ms | 401 KiB | 208 Q