3v4l.org

run code in 300+ PHP versions simultaneously
<?php class factorial_of_a_number{ protected $n; public function __construct($n){ if(!is_int($n){ throw new InvalidArgumentException('Not A Number or missing argument'); } $this->n = $n; } public function result(){ $factorial = 1; for($i=1;$i<= $this ->_n;$i++){ $factorial *= $i; } return $factorial; } } $newfactorial = new factorial_of_a_number(2); echo $newfactorial->result();
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.31
Parse error: syntax error, unexpected '{' in /in/4HmFj on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '{' in /in/4HmFj on line 5
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/4HmFj on line 3
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/4HmFj on line 3
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/4HmFj on line 3
Process exited with code 255.

preferences:
211.49 ms | 1395 KiB | 122 Q