3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public static function ii(){ var_dump($this->BB); } } class b { public $BB; public function ii(){ $a = new a(); $a->ii(); } } $bb = new b(); $bb->ii();

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)
8.3.60.0120.00618.30
8.3.50.0140.00722.04
8.3.40.0090.00618.86
8.3.30.0040.01220.33
8.3.20.0050.00320.26
8.3.10.0030.00522.11
8.3.00.0040.00422.51
8.2.180.0160.00616.50
8.2.170.0110.00322.96
8.2.160.0090.00618.79
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0120.00626.16
8.2.120.0080.00020.91
8.2.110.0030.00622.09
8.2.100.0040.00717.91
8.2.90.0040.00418.88
8.2.80.0000.00719.32
8.2.70.0040.00417.38
8.2.60.0050.00317.80
8.2.50.0050.00318.07
8.2.40.0060.00318.03
8.2.30.0020.00517.99
8.2.20.0030.00617.60
8.2.10.0070.00017.74
8.2.00.0030.00617.67
8.1.280.0060.00825.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00023.98
8.1.230.0070.00419.10
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0090.00017.35
8.1.190.0030.00617.51
8.1.180.0030.00619.01
8.1.170.0000.01018.45
8.1.160.0030.00322.05
8.1.150.0050.00218.48
8.1.140.0070.00017.37
8.1.130.0040.00417.73
8.1.120.0040.00417.39
8.1.110.0000.00717.38
8.1.100.0050.00217.43
8.1.90.0030.00317.38
8.1.80.0050.00517.36
8.1.70.0000.00717.40
8.1.60.0060.00317.48
8.1.50.0070.00017.51
8.1.40.0080.00017.47
8.1.30.0060.00317.59
8.1.20.0000.00917.69
8.1.10.0000.00817.40
8.1.00.0070.00317.52
8.0.300.0020.00518.77
8.0.290.0000.00817.05
8.0.280.0030.00318.37
8.0.270.0000.00717.12
8.0.260.0000.00716.85
8.0.250.0000.00716.89
8.0.240.0040.00416.92
8.0.230.0030.00316.96
8.0.220.0000.00816.88
8.0.210.0040.00416.75
8.0.200.0000.00716.95
8.0.190.0000.00816.92
8.0.180.0080.00016.94
8.0.170.0070.00016.86
8.0.160.0000.00816.76
8.0.150.0000.00716.79
8.0.140.0000.00716.84
8.0.130.0030.00313.38
8.0.120.0040.00416.73
8.0.110.0040.00416.70
8.0.100.0030.00516.82
8.0.90.0070.00016.86
8.0.80.0000.01516.87
8.0.70.0040.00416.95
8.0.60.0000.00716.95
8.0.50.0030.00516.73
8.0.30.0080.01016.84
8.0.20.0130.00517.40
8.0.10.0000.00716.96
8.0.00.0090.00916.73
7.4.330.0050.00015.00
7.4.320.0030.00316.41
7.4.300.0030.00316.51
7.4.290.0030.00316.63
7.4.280.0000.00916.61
7.4.270.0030.00316.57
7.4.260.0030.00313.26
7.4.250.0070.00016.57
7.4.240.0000.00716.56
7.4.230.0050.00316.61
7.4.220.0030.01416.70
7.4.210.0050.01216.65
7.4.200.0030.00316.66
7.4.190.0040.00416.76
7.4.160.0060.00916.54
7.4.150.0090.00917.40
7.4.140.0100.01417.86
7.4.130.0070.01116.58
7.4.120.0120.00516.58
7.4.110.0040.01816.66
7.4.100.0070.01016.65
7.4.90.0070.01016.56
7.4.80.0100.00719.39
7.4.70.0100.00716.23
7.4.60.0030.01316.30
7.4.50.0060.00316.62
7.4.40.0030.01322.77
7.4.30.0080.00816.59
7.4.00.0070.01015.02
7.3.330.0060.00013.30
7.3.320.0000.00713.21
7.3.310.0040.00416.19
7.3.300.0070.00016.27
7.3.290.0030.01216.36
7.3.280.0050.01116.38
7.3.270.0080.00817.40
7.3.260.0210.00016.38
7.3.250.0090.00816.58
7.3.240.0040.01416.54
7.3.230.0060.01616.39
7.3.210.0100.00616.61
7.3.200.0100.00719.39
7.3.190.0180.00416.59
7.3.180.0070.01016.45
7.3.170.0030.01316.49
7.3.160.0100.00616.32
7.3.120.0070.00714.89
7.2.330.0130.00616.57
7.2.320.0100.01316.51
7.2.310.0040.01816.38
7.2.300.0060.01016.55
7.2.290.0120.00916.73
7.2.60.0000.01216.82
7.1.200.0040.01215.75
7.1.70.0040.00416.71
7.1.60.0070.01719.43
7.1.50.0110.01116.46
7.1.00.0000.04022.44
7.0.200.0170.00016.48
7.0.140.0000.07021.96
7.0.60.0070.07720.00
7.0.50.0100.07717.91
7.0.40.0070.07720.23
7.0.30.0300.08020.20
7.0.20.0200.07020.09
7.0.10.0200.03320.07
7.0.00.0030.04720.22
5.6.280.0100.06720.82
5.6.210.0170.07320.51
5.6.200.0070.04018.18
5.6.190.0130.07720.33
5.6.180.0400.04720.33
5.6.170.0430.06720.44
5.6.160.0030.06020.43
5.6.150.0100.06318.29
5.6.140.0000.05018.18
5.6.130.0030.04318.14
5.6.120.0100.08021.01
5.6.110.0000.08021.02
5.6.100.0030.09320.98
5.6.90.0100.06021.09
5.6.80.0070.03720.54
5.5.350.0170.08320.44
5.5.340.0170.07317.95
5.5.330.0070.08320.41
5.5.320.0370.07720.38
5.5.310.0270.07320.20
5.5.300.0030.04017.94
5.5.290.0070.05317.98
5.5.280.0170.07020.94
5.5.270.0170.07720.80
5.5.260.0070.08320.68
5.5.250.0000.04320.58
5.5.240.0070.07320.25
5.4.450.0270.06319.48
5.4.440.0700.07019.48
5.4.430.0070.05719.42
5.4.420.0070.05719.43
5.4.410.0070.05719.09
5.4.400.0070.05318.79
5.4.390.0170.04318.77
5.4.380.0230.04018.75
5.4.370.0170.05318.51
5.4.360.0200.04718.79
5.4.350.0080.04612.02
5.4.340.0020.04312.02
5.4.320.0090.03412.51
5.4.310.0060.04112.50
5.4.300.0070.04112.50
5.4.290.0070.03912.50
5.4.280.0080.03912.40
5.4.270.0050.03812.40
5.4.260.0060.04012.40
5.4.250.0050.04212.39
5.4.240.0070.05018.99
5.4.230.0130.04318.99
5.4.220.0130.04718.90
5.4.210.0070.05018.93
5.4.200.0100.05018.65
5.4.190.0000.05718.96
5.4.180.0070.05018.98
5.4.170.0070.05318.95
5.4.160.0030.05318.75
5.4.150.0130.05018.64
5.4.140.0030.05316.45
5.4.130.0170.03716.47
5.4.120.0100.04316.54
5.4.110.0100.04716.38
5.4.100.0000.06016.55
5.4.90.0070.04716.43
5.4.80.0130.03716.53
5.4.70.0100.04316.45
5.4.60.0070.04716.44
5.4.50.0000.05016.54
5.4.40.0000.05316.48
5.4.30.0070.05016.59
5.4.20.0070.04716.59
5.4.10.0030.05016.50
5.4.00.0030.05315.84
5.3.290.0060.04112.80
5.3.280.0170.05714.68
5.3.270.0070.05014.44
5.3.260.0070.05014.77
5.3.250.0130.04314.59
5.3.240.0030.06314.59
5.3.230.0100.06314.43
5.3.220.0130.04314.47
5.3.210.0100.04714.54
5.3.200.0030.05014.65
5.3.190.0000.05714.74
5.3.180.0000.05314.78
5.3.170.0070.04714.66
5.3.160.0130.04714.66
5.3.150.0000.05714.72
5.3.140.0070.04714.46
5.3.130.0100.04714.73
5.3.120.0030.07014.72
5.3.110.0000.05714.54
5.3.100.0100.04314.14
5.3.90.0030.05714.08
5.3.80.0000.05714.18
5.3.70.0030.05314.11
5.3.60.0100.04314.17
5.3.50.0100.04313.97
5.3.40.0030.05013.93
5.3.30.0070.06713.98
5.3.20.0100.04013.67
5.3.10.0130.06313.67
5.3.00.0000.07313.73
5.2.170.0100.03711.33
5.2.160.0070.04011.05
5.2.150.0070.03710.98
5.2.140.0030.04311.23
5.2.130.0070.03711.07
5.2.120.0000.04011.09
5.2.110.0030.03711.09
5.2.100.0100.03011.18
5.2.90.0000.04311.18
5.2.80.0070.03711.31
5.2.70.0000.04011.00
5.2.60.0070.03710.96
5.2.50.0030.04011.09
5.2.40.0070.03310.84
5.2.30.0100.04710.96
5.2.20.0000.04311.04
5.2.10.0030.05010.95
5.2.00.0070.03710.70
5.1.60.0070.0279.84
5.1.50.0070.03310.05
5.1.40.0030.03310.22
5.1.30.0000.03710.23
5.1.20.0000.04010.44
5.1.10.0000.03710.03
5.1.00.0070.03310.14
5.0.50.0030.0278.59
5.0.40.0000.0278.56
5.0.30.0030.0408.20
5.0.20.0000.0308.26
5.0.10.0100.0338.01
5.0.00.0030.0438.21
4.4.90.0000.0206.62
4.4.80.0000.0206.62
4.4.70.0000.0236.62
4.4.60.0070.0236.62
4.4.50.0000.0306.62
4.4.40.0100.0336.55
4.4.30.0000.0306.55
4.4.20.0000.0236.55
4.4.10.0000.0275.91
4.4.00.0070.0275.88
4.3.110.0000.0335.79
4.3.100.0000.0205.73
4.3.90.0000.0235.82
4.3.80.0000.0335.74
4.3.70.0000.0205.73
4.3.60.0000.0205.79
4.3.50.0000.0205.82
4.3.40.0070.0275.69
4.3.30.0000.0234.48
4.3.20.0000.0234.48
4.3.10.0030.0204.45
4.3.00.0130.0106.92

preferences:
38.69 ms | 401 KiB | 5 Q