3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Amount { private $_list = array(); protected $_number; public function __construct($number) { $this->_number = $number; } public function add(Amount $a) { array_push($this->_list, $this->_number); unset($this->_number); array_push($this->_list, $a->_number); $this->_number += $a->_number; } } $x = new Amount(2); $y = new Amount(3); var_dump($x->add($y);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.310.0500.03019.15
5.4.300.0330.04019.22
5.4.290.0430.03019.20
5.4.280.0530.06019.22
5.4.270.0500.05319.20
5.4.260.0370.03719.19
5.4.250.0600.05019.15
5.4.240.0370.03718.87
5.4.230.0370.03719.09
5.4.220.0400.04019.31
5.4.210.0330.04318.97
5.4.200.0330.03719.16
5.4.190.0400.03319.29
5.4.180.0370.04019.07
5.4.170.0430.03719.30
5.4.160.0430.03019.22
5.4.150.0400.04018.92
5.4.140.0400.04316.72
5.4.130.0330.04016.33
5.4.120.0370.03016.40
5.4.110.0400.03016.46
5.4.100.0370.03716.57
5.4.90.0370.03716.64
5.4.80.0370.03316.55
5.4.70.0330.04316.41
5.4.60.0370.03316.43
5.4.50.0330.04016.38
5.4.40.0370.04716.54
5.4.30.0600.03016.47
5.4.20.0630.03316.46
5.4.10.0370.03716.53
5.4.00.0400.03015.95
5.3.280.0330.03714.50
5.3.270.0300.04314.52
5.3.260.0430.04014.77
5.3.250.0470.04314.83
5.3.240.0470.03314.58
5.3.230.0430.03314.53
5.3.220.0370.03314.58
5.3.210.0400.03314.59
5.3.200.0330.04314.48
5.3.190.0370.04014.73
5.3.180.0300.04714.47
5.3.170.0400.04014.48
5.3.160.0330.03714.64
5.3.150.0400.03714.54
5.3.140.0370.03314.61
5.3.130.0470.02714.48
5.3.120.0330.03714.53
5.3.110.0370.03714.54
5.3.100.0330.03714.16
5.3.90.0300.04014.11
5.3.80.0330.03714.18
5.3.70.0400.03714.10
5.3.60.0430.03313.99
5.3.50.0370.03313.85
5.3.40.0400.04013.97
5.3.30.0570.02313.84
5.3.20.0470.04013.70
5.3.10.0330.03713.64
5.3.00.0400.03013.66
5.2.170.0300.03011.09
5.2.160.0270.03011.08
5.2.150.0330.04011.23
5.2.140.0300.03711.06
5.2.130.0270.03311.02
5.2.120.0370.02711.11
5.2.110.0270.03311.08
5.2.100.0300.02711.04
5.2.90.0270.04011.23
5.2.80.0430.03711.06
5.2.70.0400.04311.28
5.2.60.0330.02310.98
5.2.50.0300.03310.93
5.2.40.0200.03010.93
5.2.30.0270.02711.02
5.2.20.0300.02311.04
5.2.10.0230.03010.79
5.2.00.0170.03310.77
5.1.60.0200.0309.91
5.1.50.0230.0279.90
5.1.40.0300.0539.96
5.1.30.0270.03310.27
5.1.20.0330.04710.41
5.1.10.0270.0239.95
5.1.00.0200.03010.05
5.0.50.0130.0338.63
5.0.40.0100.0278.30
5.0.30.0230.0238.16
5.0.20.0170.0408.26
5.0.10.0100.0238.08
5.0.00.0130.0408.18
4.4.90.0130.0177.54
4.4.80.0100.0177.54
4.4.70.0170.0107.54
4.4.60.0070.0207.54
4.4.50.0300.0207.54
4.4.40.0130.0307.54
4.4.30.0100.0177.54
4.4.20.0170.0337.54
4.4.10.0170.0337.54
4.4.00.0100.0277.54
4.3.110.0170.0177.54
4.3.100.0130.0137.54
4.3.90.0070.0207.54
4.3.80.0170.0307.54
4.3.70.0100.0177.54
4.3.60.0200.0177.54
4.3.50.0130.0237.54
4.3.40.0200.0377.54
4.3.30.0070.0177.54
4.3.20.0070.0177.54
4.3.10.0030.0177.54
4.3.00.0070.0237.54

preferences:
141.5 ms | 1386 KiB | 7 Q