3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); $bar = &$_SESSION['foo']; var_dump($_SESSION['foo']); $foo = 1; ?>

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)
8.3.60.0140.00718.30
8.3.50.0130.00821.27
8.3.40.0090.00918.84
8.3.30.0110.00420.47
8.3.20.0000.00820.61
8.3.10.0050.00321.17
8.3.00.0000.00722.38
8.2.180.0040.01816.75
8.2.170.0120.00322.96
8.2.160.0100.00320.47
8.2.150.0040.00424.18
8.2.140.0110.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00421.02
8.2.110.0090.00019.45
8.2.100.0030.00817.91
8.2.90.0030.00519.17
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0100.00018.28
8.2.30.0070.00019.56
8.2.20.0070.00017.78
8.2.10.0040.00417.87
8.2.00.0040.00417.81
8.1.280.0100.01025.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00521.40
8.1.230.0080.00417.52
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.47
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0040.00418.70
8.1.160.0050.00218.87
8.1.150.0040.00418.70
8.1.140.0030.00517.38
8.1.130.0050.00317.87
8.1.120.0040.00417.46
8.1.110.0040.00417.45
8.1.100.0040.00417.29
8.1.90.0000.00717.37
8.1.80.0000.00717.50
8.1.70.0000.00717.36
8.1.60.0040.00417.53
8.1.50.0000.00917.49
8.1.40.0070.00317.55
8.1.30.0000.00717.53
8.1.20.0030.00617.70
8.1.10.0030.00617.57
8.1.00.0000.00717.50
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.52
8.0.270.0030.00317.18
8.0.260.0030.00318.51
8.0.250.0030.00716.89
8.0.240.0030.00616.97
8.0.230.0030.00316.81
8.0.220.0070.00016.91
8.0.210.0040.00416.82
8.0.200.0030.00316.99
8.0.190.0070.00016.89
8.0.180.0000.00816.95
8.0.170.0030.00516.82
8.0.160.0000.00716.79
8.0.150.0030.00516.72
8.0.140.0040.00416.71
8.0.130.0000.00713.35
8.0.120.0000.00716.75
8.0.110.0050.00316.72
8.0.100.0000.00716.77
8.0.90.0050.00316.92
8.0.80.0070.01016.94
8.0.70.0040.00416.86
8.0.60.0000.00716.91
8.0.50.0080.00016.90
8.0.30.0090.01216.96
8.0.20.0090.01017.40
8.0.10.0000.00817.02
8.0.00.0120.01616.71
7.4.330.0000.00516.77
7.4.320.0030.00316.46
7.4.300.0000.00616.56
7.4.290.0050.00316.43
7.4.280.0030.00316.60
7.4.270.0060.00016.62
7.4.260.0030.00313.28
7.4.250.0000.00816.56
7.4.240.0000.00716.52
7.4.230.0070.00016.64
7.4.220.0070.01116.69
7.4.210.0070.01016.54
7.4.200.0070.00016.49
7.4.190.0030.00316.55
7.4.160.0130.00316.68
7.4.150.0090.00917.40
7.4.140.0070.01317.86
7.4.130.0110.00616.57
7.4.120.0060.01116.52
7.4.110.0110.00816.49
7.4.100.0120.00616.41
7.4.90.0100.00716.35
7.4.80.0140.00719.39
7.4.70.0040.01716.44
7.4.60.0160.01416.45
7.4.50.0040.00416.65
7.4.40.0110.00622.77
7.4.30.0090.00816.36
7.4.00.0060.00615.08
7.3.330.0030.00312.99
7.3.320.0030.00213.05
7.3.310.0040.00416.29
7.3.300.0030.00316.20
7.3.290.0030.01016.24
7.3.280.0070.01016.18
7.3.270.0030.01317.40
7.3.260.0130.00418.24
7.3.250.0160.00616.49
7.3.240.0080.00816.41
7.3.230.0090.00616.39
7.3.210.0000.01716.36
7.3.200.0080.01119.39
7.3.190.0100.01316.35
7.3.180.0070.01516.24
7.3.170.0070.01016.51
7.3.160.0070.01016.49
7.3.120.0040.00814.47
7.2.330.0070.01116.36
7.2.320.0070.01016.76
7.2.310.0110.01116.32
7.2.300.0030.01316.73
7.2.290.0100.00616.68
7.2.60.0090.00616.63
7.2.00.0090.00619.49
7.1.200.0040.01115.85
7.1.100.0080.00018.23
7.1.70.0030.00716.99
7.1.60.0060.01819.17
7.1.50.0040.01817.03
7.1.00.0000.03722.48
7.0.200.0030.00616.68
7.0.140.0130.06322.00
7.0.60.0030.07719.79
7.0.50.0070.03717.86
7.0.40.0130.07320.20
7.0.30.0230.08020.18
7.0.20.0370.07320.13
7.0.10.0030.04720.00
7.0.00.0100.04020.04
5.6.280.0070.07020.86
5.6.210.0100.05720.61
5.6.200.0100.07718.08
5.6.190.0100.04020.43
5.6.180.0300.07020.34
5.6.170.0200.04020.48
5.6.160.0070.08320.54
5.6.150.0130.07318.18
5.6.140.0000.05018.14
5.6.130.0070.08318.17
5.6.120.0130.04321.04
5.6.110.0130.07721.05
5.6.100.0030.05320.99
5.6.90.0170.07321.11
5.6.80.0070.07020.40
5.5.350.2730.03720.31
5.5.340.0000.04017.88
5.5.330.0100.06020.21
5.5.320.0300.07020.41
5.5.310.0200.05720.31
5.5.300.0070.08018.00
5.5.290.0130.04717.97
5.5.280.0270.06720.87
5.5.270.0030.05320.86
5.5.260.0100.06720.86
5.5.250.0100.06320.79
5.5.240.0070.08320.06
5.4.450.0300.07019.41
5.4.440.0170.05019.38
5.4.430.0130.07319.45
5.4.420.0230.04319.54
5.4.410.0270.06319.00
5.4.400.0200.06318.78
5.4.390.0230.05018.92
5.4.380.0170.04019.15
5.4.370.0230.06319.10
5.4.360.0170.05319.16
5.4.350.0230.04319.10
5.4.340.0230.08719.13
5.4.320.0200.06319.07
5.4.310.0270.07718.89
5.4.300.0270.05019.08
5.4.290.0170.06719.21
5.4.280.0170.04719.16
5.4.270.0300.06319.21
5.4.260.0270.06319.13
5.4.250.0130.04318.88
5.4.240.0270.06019.07
5.4.230.0230.06718.92
5.4.220.0270.07019.08
5.4.210.0230.04319.18
5.4.200.0170.04018.77
5.4.190.0130.04319.07
5.4.180.0270.03018.92
5.4.170.0300.06718.92
5.4.160.0230.04318.79
5.4.150.0170.07019.14
5.4.140.0300.06716.27
5.4.130.0230.06716.37
5.4.120.0300.06016.27
5.4.110.0230.04316.34
5.4.100.0330.04316.50
5.4.90.0270.06716.50
5.4.80.0230.06716.37
5.4.70.0370.06716.32
5.4.60.0270.04016.04
5.4.50.0330.06316.04
5.4.40.0270.05016.33
5.4.30.0200.05016.27
5.4.20.0200.07316.36
5.4.10.0300.06016.49
5.4.00.0130.06315.89
5.3.290.0170.07714.50
5.3.280.0170.05314.64
5.3.270.0200.05314.70
5.3.260.0300.06014.54
5.3.250.0300.07314.66
5.3.240.0100.05314.44
5.3.230.0170.04014.50
5.3.220.0270.07014.51
5.3.210.0270.06714.42
5.3.200.0200.07314.40
5.3.190.0300.05714.51
5.3.180.0230.05714.42
5.3.170.0270.07014.66
5.3.160.0270.04714.53
5.3.150.0300.03714.54
5.3.140.0270.07014.50
5.3.130.0170.06714.64
5.3.120.0230.05314.50
5.3.110.0230.04714.64
5.3.100.0270.04013.87
5.3.90.0170.06313.95
5.3.80.0100.05714.11
5.3.70.0170.03713.88
5.3.60.0200.07013.95
5.3.50.0170.05713.90
5.3.40.0230.07013.79
5.3.30.0170.07313.75
5.3.20.0130.06013.79
5.3.10.0230.06313.50
5.3.00.0270.02713.59
5.2.170.0230.04313.00
5.2.160.0070.03713.00
5.2.150.0170.03313.00
5.2.140.0170.03013.00
5.2.130.0130.03013.00
5.2.120.0170.05013.00
5.2.110.0270.05013.00
5.2.100.0230.06013.00
5.2.90.0200.03013.00
5.2.80.0170.03013.00
5.2.70.0200.03713.00
5.2.60.0170.06013.00
5.2.50.0170.03013.00
5.2.40.0100.03313.00
5.2.30.0130.05313.00
5.2.20.0230.05013.00
5.2.10.0200.05313.00
5.2.00.0130.04013.00
5.1.60.0170.03313.00
5.1.50.0170.04013.00
5.1.40.0130.04013.00
5.1.30.0170.05013.00
5.1.20.0130.05313.00
5.1.10.0200.05013.00
5.1.00.0170.03013.00
5.0.50.0170.04013.00
5.0.40.0100.02313.00
5.0.30.0100.05713.00
5.0.20.0070.04713.00
5.0.10.0100.03713.00
5.0.00.0100.05713.00
4.4.90.0070.02313.00
4.4.80.0100.03313.00
4.4.70.0130.02013.00
4.4.60.0100.02013.00
4.4.50.0030.03013.00
4.4.40.0070.04013.00
4.4.30.0130.03013.00
4.4.20.0130.03013.00
4.4.10.0070.03013.00
4.4.00.0130.03313.00
4.3.110.0130.02313.00
4.3.100.0100.01713.00
4.3.90.0030.02013.00
4.3.80.0030.05013.00
4.3.70.0100.03013.00
4.3.60.0070.03713.00
4.3.50.0100.02713.00
4.3.40.0170.02313.00
4.3.30.0070.03313.00
4.3.20.0030.02713.00
4.3.10.0070.02013.00
4.3.00.0030.02013.00

preferences:
32 ms | 401 KiB | 5 Q