3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { public function __construct() { $x =& $this; $x = new stdClass; var_dump($this); } } var_dump(new x);

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)
8.3.60.0100.01016.50
8.3.50.0120.00522.11
8.3.40.0040.01118.64
8.3.30.0030.01018.96
8.3.20.0070.00020.29
8.3.10.0060.00323.41
8.3.00.0050.00319.56
8.2.180.0070.01116.63
8.2.170.0120.00322.96
8.2.160.0070.00720.45
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0000.00719.83
8.2.110.0050.00520.57
8.2.100.0030.00717.66
8.2.90.0030.00519.23
8.2.80.0000.00817.97
8.2.70.0000.00817.25
8.2.60.0050.00317.80
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0070.00318.24
8.2.20.0040.00417.54
8.2.10.0000.00717.98
8.2.00.0000.00717.62
8.1.280.0120.00325.92
8.1.270.0040.00423.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.77
8.1.230.0120.00021.04
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00617.23
8.1.190.0000.00917.10
8.1.180.0040.00418.10
8.1.170.0060.00318.51
8.1.160.0040.00421.95
8.1.150.0040.00418.88
8.1.140.0000.00717.39
8.1.130.0000.00717.79
8.1.120.0000.00717.30
8.1.110.0040.00417.33
8.1.100.0040.00417.32
8.1.90.0040.00417.35
8.1.80.0030.00317.29
8.1.70.0030.00617.34
8.1.60.0070.00417.47
8.1.50.0040.00417.42
8.1.40.0050.00217.41
8.1.30.0060.00317.49
8.1.20.0040.00417.61
8.1.10.0040.00417.38
8.1.00.0000.00817.42
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00818.29
8.0.270.0040.00416.75
8.0.260.0060.00017.07
8.0.250.0000.00716.78
8.0.240.0000.00616.80
8.0.230.0050.00316.88
8.0.220.0030.00516.80
8.0.210.0000.00716.71
8.0.200.0030.00316.79
8.0.190.0030.00516.88
8.0.180.0020.00516.76
8.0.170.0040.00416.84
8.0.160.0000.00716.70
8.0.150.0070.00016.75
8.0.140.0070.00016.78
8.0.130.0030.00313.18
8.0.120.0040.00416.74
8.0.110.0040.00416.87
8.0.100.0050.00316.87
8.0.90.0020.00516.88
8.0.80.0030.01116.76
8.0.70.0030.00416.94
8.0.60.0040.00416.89
8.0.50.0050.00216.71
8.0.30.0080.01016.94
8.0.20.0090.00917.40
8.0.10.0040.00416.96
8.0.00.0090.01216.85
7.4.330.0020.00215.07
7.4.320.0000.00616.54
7.4.300.0030.00316.37
7.4.290.0030.00316.59
7.4.280.0040.00416.51
7.4.270.0070.00016.50
7.4.260.0040.00416.45
7.4.250.0070.00016.32
7.4.240.0050.00216.46
7.4.230.0000.00816.36
7.4.220.0030.01416.68
7.4.210.0100.00616.62
7.4.200.0000.00716.64
7.4.160.0100.00616.28
7.4.150.0120.00617.40
7.4.140.0100.01117.86
7.4.130.0080.01016.54
7.4.120.0130.00316.37
7.4.110.0090.00916.26
7.4.100.0030.01216.49
7.4.90.0120.00916.34
7.4.80.0070.01519.39
7.4.70.0030.01416.44
7.4.60.0120.00616.58
7.4.50.0040.00416.39
7.4.40.0080.00816.55
7.4.30.0030.01316.54
7.4.00.0040.01114.82
7.3.330.0000.00613.20
7.3.320.0050.00013.10
7.3.310.0000.00716.14
7.3.300.0030.00316.25
7.3.290.0120.00316.31
7.3.280.0090.01016.20
7.3.270.0150.00317.40
7.3.260.0090.01216.60
7.3.250.0070.01016.46
7.3.240.0060.01216.41
7.3.230.0070.01016.39
7.3.210.0060.01016.22
7.3.200.0080.00819.39
7.3.190.0100.00716.38
7.3.180.0040.01416.27
7.3.170.0130.00616.27
7.3.160.0040.01216.21
7.3.120.0080.00814.58
7.3.10.0050.00916.07
7.3.00.0040.01116.20
7.2.330.0070.01016.49
7.2.320.0090.01216.39
7.2.310.0060.01516.28
7.2.300.0080.00816.58
7.2.290.0090.01216.37
7.2.130.0080.00716.50
7.2.120.0050.00916.71
7.2.110.0040.01116.20
7.2.100.0070.00516.71
7.2.90.0030.01116.44
7.2.80.0070.00916.31
7.2.70.0020.01116.33
7.2.60.0130.00716.72
7.2.50.0050.01016.61
7.2.40.0050.01216.43
7.2.30.0090.00816.56
7.2.20.0130.00816.48
7.2.10.0160.00216.54
7.2.00.0100.00516.54
7.1.250.0100.00415.54
7.1.200.0040.00815.66
7.1.100.0080.00318.17
7.1.70.0000.00816.82
7.1.60.0100.01319.70
7.1.50.0090.01516.66
7.1.00.0070.07322.45
7.0.200.0000.00716.63
7.0.140.0000.07722.12
7.0.130.0100.05322.11
7.0.120.0070.07021.96
7.0.110.0070.07022.11
7.0.100.0070.06022.08
7.0.90.0030.07722.11
7.0.80.0100.05022.07
7.0.70.0030.07322.09
7.0.60.0100.05322.14
7.0.50.0030.07022.07
7.0.40.0100.06722.07
7.0.30.0100.06721.96
7.0.20.0030.07022.20
7.0.10.0070.07022.11
7.0.00.0100.06721.98
5.6.280.0130.06321.07
5.6.260.0100.06320.97
5.6.250.0070.06321.05
5.6.240.0070.07320.81
5.6.230.0030.07720.90
5.6.220.0070.06320.92
5.6.210.0030.07320.98
5.6.200.0070.07321.04
5.6.190.0030.07720.82
5.6.180.0100.05720.84
5.6.170.0070.06721.02
5.6.160.0030.07021.09
5.6.150.0000.07720.75
5.6.140.0030.07721.00
5.6.130.0070.07021.00
5.6.120.0130.06720.85
5.6.110.0100.07020.88
5.6.100.0000.08021.02
5.6.90.0000.07720.99
5.6.80.0030.06020.44
5.6.70.0070.05720.45
5.6.60.0100.06720.20
5.6.50.0000.07320.30
5.6.40.0030.07020.42
5.6.30.0030.07020.19
5.6.20.0030.07320.19
5.6.10.0000.07320.38
5.6.00.0070.06720.35
5.5.380.0030.07017.64
5.5.370.0030.07017.72
5.5.360.0000.07717.68
5.5.350.0030.05717.68
5.5.340.0070.06718.13
5.5.330.0030.07017.96
5.5.320.0070.05717.91
5.5.310.0030.06718.25
5.5.300.0000.06717.89
5.5.290.0000.07717.93
5.5.280.0000.07317.91
5.5.270.0070.07018.06
5.5.260.0070.06317.90
5.5.250.0030.06717.88
5.5.240.0070.06717.52
5.5.230.0030.07317.59
5.5.220.0000.07017.21
5.5.210.0000.06717.29
5.5.200.0030.06717.48
5.5.190.0030.07317.61
5.5.180.0000.07317.40
5.5.160.0000.05317.28
5.5.150.0000.06717.46
5.5.140.0070.06317.43
5.5.130.0030.06717.41
5.5.120.0000.06717.57
5.5.110.0000.06017.41
5.5.100.0030.07017.38
5.5.90.0070.06317.35
5.5.80.0030.06717.36
5.5.70.0030.07017.34
5.5.60.0000.04717.49
5.5.50.0000.04717.17
5.5.40.0000.04717.46
5.5.30.0030.06017.14
5.5.20.0030.06717.19
5.5.10.0000.07317.46
5.5.00.0100.05717.16
5.4.450.0030.07319.32
5.4.440.0000.07719.54
5.4.430.0070.07019.49
5.4.420.0000.07319.64
5.4.410.0000.07019.28
5.4.400.0030.06719.01
5.4.390.0070.06719.02
5.4.380.0000.06719.24
5.4.370.0030.06318.94
5.4.360.0030.07019.32
5.4.350.0130.04719.22
5.4.340.0030.07018.98
5.4.320.0070.06719.17
5.4.310.0000.07019.00
5.4.300.0070.06019.00
5.4.290.0000.06718.93
5.4.280.0030.07019.08
5.4.270.0000.07019.05
5.4.260.0000.07018.99
5.4.250.0000.07319.13
5.4.240.0000.07019.10
5.4.230.0030.07018.97
5.4.220.0070.06718.99
5.4.210.0000.04719.02
5.4.200.0030.06719.04
5.4.190.0030.06318.96
5.4.180.0000.07018.95
5.4.170.0000.06718.93
5.4.160.0000.07018.97
5.4.150.0000.07319.21
5.4.140.0000.07016.53
5.4.130.0070.06016.42
5.4.120.0030.04716.34
5.4.110.0000.07016.55
5.4.100.0000.06316.50
5.4.90.0000.06716.41
5.4.80.0000.06716.41
5.4.70.0030.06316.45
5.4.60.0000.06316.56
5.4.50.0000.06716.53
5.4.40.0030.06316.28
5.4.30.0070.05716.39
5.4.20.0030.06316.63
5.4.10.0000.07016.43
5.4.00.0000.06015.79
5.3.290.0000.07314.65
5.3.280.0000.06714.82
5.3.270.0030.07014.68
5.3.260.0030.05014.74
5.3.250.0070.06014.56
5.3.240.0030.06714.60
5.3.230.0030.06714.73
5.3.220.0000.06314.65
5.3.210.0000.06714.55
5.3.200.0030.06714.66
5.3.190.0030.06714.59
5.3.180.0030.06714.57
5.3.170.0000.06314.57
5.3.160.0000.06714.59
5.3.150.0030.06314.66
5.3.140.0030.06714.54
5.3.130.0000.07014.57
5.3.120.0070.06014.54
5.3.110.0000.06014.55
5.3.100.0030.06714.07
5.3.90.0030.06014.01
5.3.80.0000.06713.87
5.3.70.0000.06314.04
5.3.60.0000.06714.03
5.3.50.0100.05713.98
5.3.40.0030.06313.94
5.3.30.0030.06313.89
5.3.20.0030.06013.77
5.3.10.0000.06713.66
5.3.00.0000.06013.64
5.2.170.0000.06013.14
5.2.160.0030.05313.14
5.2.150.0000.05713.14
5.2.140.0030.05713.14
5.2.130.0070.05013.14
5.2.120.0030.05313.14
5.2.110.0000.05313.14
5.2.100.0000.05313.14
5.2.90.0130.04313.14
5.2.80.0000.05713.14
5.2.70.0070.05313.14
5.2.60.0030.05313.14
5.2.50.0070.04313.14
5.2.40.0000.05313.14
5.2.30.0000.05713.14
5.2.20.0030.05313.14
5.2.10.0030.05313.14
5.2.00.0000.05713.14
5.1.60.0070.04313.14
5.1.50.0030.04313.14
5.1.40.0000.04713.14
5.1.30.0000.05013.14
5.1.20.0030.05013.14
5.1.10.0000.04713.14
5.1.00.0030.04313.14
5.0.50.0030.04013.14
5.0.40.0000.04013.14
5.0.30.0000.06013.14
5.0.20.0000.04013.14
5.0.10.0030.03713.14
5.0.00.0000.05713.14
4.4.90.0000.03013.14
4.4.80.0030.02713.14
4.4.70.0030.03013.14
4.4.60.0030.02713.14
4.4.50.0030.02713.14
4.4.40.0000.05013.14
4.4.30.0070.02313.14
4.4.20.0000.03013.14
4.4.10.0000.03013.14
4.4.00.0000.04713.14
4.3.110.0000.03313.14
4.3.100.0000.03013.14
4.3.90.0000.03013.14
4.3.80.0000.04013.14
4.3.70.0030.02313.14
4.3.60.0000.02713.14
4.3.50.0000.03013.14
4.3.40.0030.04313.14
4.3.30.0030.02713.15
4.3.20.0030.03013.15
4.3.10.0000.02713.15
4.3.00.0000.03313.15

preferences:
46.71 ms | 401 KiB | 5 Q