3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Past { private $value; private $pastValues; function __construct($value, array $pastValues = []) { $this->value = $value; $this->pastValues = $pastValues; } function map(callable $fn) { return $this->update($fn($this->value)); } function update($value) { return new Past($value, array_merge($this->pastValues, [$this->value])); } function get() { return array_rand($this->pastValues); } } $answer = new Past(42); $answer = $answer->map(function ($number) { return $number + 1; }); $answer = $answer->update(-3); $answer = $answer->map(function ($number) { return $number * -1; }); $answer = $answer->map(function ($number) { return $number * 3; }); $answer = $answer->update('completely new value, hehehe'); var_dump($answer->get());
Output for 5.4.0 - 5.4.4, 5.4.7, 5.4.17, 5.4.19 - 5.4.20, 5.4.30, 5.4.35, 5.4.43, 5.5.0, 5.5.2, 5.5.9, 5.5.14, 5.5.19, 5.5.28 - 5.5.29, 5.5.31, 5.6.1, 5.6.6, 5.6.10, 5.6.21, 7.0.5, 7.0.14 - 7.1.0
int(3)
Output for 5.4.8, 5.4.10, 5.4.12 - 5.4.13, 5.4.15 - 5.4.16, 5.4.21, 5.4.23, 5.4.25, 5.4.37, 5.4.42, 5.4.44 - 5.4.45, 5.5.1, 5.5.5 - 5.5.7, 5.5.12, 5.5.22, 5.5.24, 5.6.2 - 5.6.3, 5.6.9, 5.6.13, 5.6.15, 5.6.18, hhvm-3.10.0, 7.0.7
int(0)
Output for 5.4.18, 5.4.22, 5.4.26 - 5.4.28, 5.4.32, 5.4.36, 5.4.39, 5.5.3, 5.5.13, 5.5.15, 5.5.21, 5.5.23, 5.5.26, 5.5.36, 5.6.4, 5.6.12, 5.6.19 - 5.6.20, 5.6.28, 7.0.1, 7.0.4, 7.0.6
int(4)
Output for 5.4.9, 5.4.14, 5.4.24, 5.4.38, 5.4.40, 5.5.4, 5.5.11, 5.5.18, 5.5.27, 5.5.30, 5.5.33, 5.6.5, 5.6.14, 5.6.17, 5.6.22, hhvm-3.12.0, 7.0.0, 7.0.3
int(2)
Output for 5.4.5 - 5.4.6, 5.4.11, 5.4.29, 5.4.31, 5.4.34, 5.4.41, 5.5.8, 5.5.10, 5.5.16, 5.5.20, 5.5.25, 5.5.32, 5.5.34 - 5.5.35, 5.6.0, 5.6.7 - 5.6.8, 5.6.11, 5.6.16, 7.0.2
int(1)
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/GhbOE on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/GhbOE on line 7
Process exited with code 255.
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/GhbOE on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/GhbOE 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/GhbOE on line 4
Process exited with code 255.