3v4l.org

run code in 300+ PHP versions simultaneously
<?php function pipe(&$_) { return new class($_) { private $_; public function __construct(&$_) { $this->$_ = &$_; } public function __call(string $name, array $args) : self { $this->_ = $name(...$args); return $this; } }; } pipe($blah)->strtoupper('hello')->strrev($blah); echo $_;
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Creation of dynamic property class@anonymous::$ is deprecated in /in/SXr69 on line 8 Deprecated: strrev(): Passing null to parameter #1 ($string) of type string is deprecated in /in/SXr69 on line 12 Warning: Undefined variable $_ in /in/SXr69 on line 19
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Creation of dynamic property class@anonymous::$ is deprecated in /in/SXr69 on line 8 Deprecated: strrev(): Passing null to parameter #1 ($string) of type string is deprecated in /in/SXr69 on line 12 Warning: Undefined variable $_ in /in/SXr69 on line 19
Output for 8.1.0 - 8.1.28
Deprecated: strrev(): Passing null to parameter #1 ($string) of type string is deprecated in /in/SXr69 on line 12 Warning: Undefined variable $_ in /in/SXr69 on line 19
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $_ in /in/SXr69 on line 19
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: _ in /in/SXr69 on line 19
Output for 7.3.32 - 7.3.33, 7.4.26
Output for 7.0.0 - 7.0.33
Fatal error: Uncaught Error: Cannot access empty property in /in/SXr69:8 Stack trace: #0 /in/SXr69(4): class@anonymous->__construct(NULL) #1 /in/SXr69(18): pipe(NULL) #2 {main} Next Error: Cannot access empty property in /in/SXr69:8 Stack trace: #0 /in/SXr69(4): class@anonymous->__construct(NULL) #1 /in/SXr69(18): pipe(NULL) #2 {main} thrown in /in/SXr69 on line 8
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/SXr69 on line 4
Process exited with code 255.
preferences:
234.68 ms | 401 KiB | 291 Q