3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Liquid { } class Juice extends Liquid { protected $apple; protected $orange; public function __construct($apple, $orange) { $this->apple = $apple; $this->orange = $orange; } public function __get($name) { return $this->$name; } public function __isset($name) { return $name == "apple" || $name == "orange"; } } class Glass { protected $liquid; public function __construct() { $this->liquid = new Juice(3, 5); } public function __get($name) { return $name == "liquid" ? $this->liquid : false; } public function __isset($name) { return $name == "liquid"; } } $glass = new Glass(); var_dump(empty($glass->liquid)); var_dump(empty($glass->liquid->apple)); var_dump(empty(($glass->liquid->apple)));
Output for 5.5.24 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
bool(false) bool(false) bool(false)
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/qaeJL on line 7
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qaeJL on line 7
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/qaeJL on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '(' in /in/qaeJL on line 46
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected '(', expecting T_STRING or T_VARIABLE or '$' in /in/qaeJL on line 46
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '(', expecting T_STRING or T_VARIABLE or '$' in /in/qaeJL on line 46
Process exited with code 255.
preferences:
34.72 ms | 1160 KiB | 21 Q