3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); $_SESSION = array('a' => 5, 'b' => 'รก', 'c' => 55); var_dump($_SESSION); var_dump(session_encode());

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)
8.3.60.0090.01316.38
8.3.50.0160.00516.61
8.3.40.0090.00918.50
8.3.30.0040.01118.77
8.3.20.0050.00518.77
8.3.10.0040.00420.52
8.3.00.0140.00517.25
8.2.180.0110.00716.63
8.2.170.0150.00022.96
8.2.160.0030.01021.02
8.2.150.0170.00324.18
8.2.140.0070.00724.66
8.2.130.0000.00926.16
8.2.120.0080.00019.95
8.2.110.0030.00621.13
8.2.100.0070.00417.91
8.2.90.0030.00619.30
8.2.80.0040.00419.32
8.2.70.0040.00417.49
8.2.60.0000.01017.55
8.2.50.0040.00418.07
8.2.40.0000.00918.28
8.2.30.0040.00417.99
8.2.20.0040.00417.71
8.2.10.0090.00017.65
8.2.00.0100.00017.68
8.1.280.0100.00725.92
8.1.270.0080.00024.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00022.34
8.1.230.0080.00420.96
8.1.220.0040.00417.76
8.1.210.0060.00318.97
8.1.200.0030.00617.25
8.1.190.0050.00217.51
8.1.180.0080.00018.10
8.1.170.0040.00418.74
8.1.160.0040.00418.88
8.1.150.0050.00218.61
8.1.140.0000.00817.45
8.1.130.0050.00217.77
8.1.120.0000.00717.46
8.1.110.0020.00517.52
8.1.100.0000.00717.31
8.1.90.0030.00517.35
8.1.80.0050.00217.41
8.1.70.0040.00417.36
8.1.60.0000.00817.55
8.1.50.0050.00317.51
8.1.40.0050.00217.45
8.1.30.0040.00417.69
8.1.20.0040.00417.52
8.1.10.0060.00317.52
8.1.00.0040.00417.46
8.0.300.0070.00019.99
8.0.290.0000.00816.75
8.0.280.0030.00318.52
8.0.270.0030.00317.26
8.0.260.0030.00316.89
8.0.250.0080.00016.88
8.0.240.0090.00016.96
8.0.230.0030.00316.98
8.0.220.0050.00216.89
8.0.210.0060.00316.88
8.0.200.0030.00316.92
8.0.190.0070.00016.99
8.0.180.0050.00216.88
8.0.170.0040.00416.90
8.0.160.0040.00416.80
8.0.150.0030.00616.80
8.0.140.0080.00016.79
8.0.130.0030.00313.39
8.0.120.0000.00716.79
8.0.110.0000.00816.96
8.0.100.0070.00016.98
8.0.90.0000.00716.80
8.0.80.0060.00916.89
8.0.70.0070.00016.79
8.0.60.0040.00416.93
8.0.50.0040.00416.86
8.0.30.0080.01417.10
8.0.20.0090.00917.08
8.0.10.0040.00416.98
8.0.00.0080.01016.78
7.4.330.0020.00213.00
7.4.320.0070.00016.46
7.4.300.0030.00316.54
7.4.290.0030.00316.52
7.4.280.0040.00416.37
7.4.270.0030.00316.53
7.4.260.0030.00313.28
7.4.250.0030.00616.51
7.4.240.0030.00316.61
7.4.230.0030.00316.62
7.4.220.0080.01116.67
7.4.210.0090.00816.65
7.4.200.0030.00316.71
7.4.190.0000.00716.55
7.4.160.0120.00416.60
7.4.150.0030.01316.43
7.4.140.0090.01316.56
7.4.130.0050.01516.35
7.4.120.0130.00416.52
7.4.110.0120.00616.47
7.4.100.0040.01516.59
7.4.90.0150.00916.58
7.4.80.0030.01616.48
7.4.70.0070.01016.39
7.4.60.0150.00916.45
7.4.50.0000.00716.29
7.4.40.0030.00816.55
7.4.30.0040.01316.50
7.4.00.0090.00314.86
7.3.330.0060.00012.89
7.3.320.0030.00313.05
7.3.310.0070.00016.19
7.3.300.0030.00315.99
7.3.290.0090.00616.13
7.3.280.0100.00616.16
7.3.270.0060.01116.21
7.3.260.0080.00816.16
7.3.250.0080.01316.26
7.3.240.0070.01016.54
7.3.230.0060.01116.54
7.3.210.0130.01016.53
7.3.200.0060.01119.39
7.3.190.0090.01216.20
7.3.180.0090.00616.17
7.3.170.0060.00916.33
7.3.160.0080.00816.40
7.3.120.0040.00814.67
7.2.330.0130.00916.31
7.2.320.0140.00716.70
7.2.310.0100.01016.34
7.2.300.0080.00816.30
7.2.290.0120.00616.40
7.1.70.0030.00616.72
7.1.60.0110.01419.40
7.1.50.0140.02134.47
7.1.00.0070.07322.50
7.0.200.0000.00916.55
7.0.140.0100.07022.07
7.0.120.0070.06322.13
7.0.60.0070.08020.03
7.0.50.0070.08717.78
7.0.40.0130.03317.75
7.0.30.0030.06317.75
7.0.20.0070.05717.76
7.0.10.0130.06717.77
7.0.00.0000.09017.69
5.6.280.0070.07020.80
5.6.210.0130.08020.76
5.6.200.0030.08318.22
5.6.190.0130.05018.20
5.6.180.0070.08318.09
5.6.170.0070.05318.16
5.6.160.0100.08018.18
5.6.150.0100.08018.19
5.6.140.0070.08018.20
5.6.130.0070.05018.20
5.6.120.0030.09018.23
5.6.110.0070.08018.21
5.6.100.0070.08018.21
5.6.90.0100.05018.16
5.6.80.0130.05017.55
5.6.70.0100.04317.46
5.6.60.0030.08317.56
5.6.50.0070.05717.55
5.6.40.0070.07717.51
5.6.30.0030.05317.48
5.6.20.0100.04717.55
5.6.10.0170.03017.53
5.6.00.0230.05317.58
5.5.350.0030.08020.40
5.5.340.0030.05317.96
5.5.330.0030.04317.89
5.5.320.0030.08717.93
5.5.310.0070.07718.02
5.5.300.0000.05718.02
5.5.290.0070.05317.97
5.5.280.0030.08717.93
5.5.270.0100.08717.94
5.5.260.0100.05718.00
5.5.250.0030.04017.79
5.5.240.0070.08017.26
5.5.230.0070.04017.35
5.5.220.0070.06317.29
5.5.210.0170.06317.43
5.5.200.0130.04317.34
5.5.190.0030.08017.31
5.5.180.0000.05717.19
5.5.160.0130.07317.34
5.5.150.0100.04717.26
5.5.140.0030.04717.32
5.5.130.0070.07717.27
5.5.120.0030.07317.30
5.5.110.0070.07717.31
5.5.100.0030.06017.21
5.5.90.0030.06017.15
5.5.80.0100.03317.25
5.5.70.0070.08017.21
5.5.60.0100.05717.12
5.5.50.0100.04017.20
5.5.40.0070.05017.22
5.5.30.0000.05017.13
5.5.20.0130.03017.13
5.5.10.0130.03017.16
5.5.00.0070.08317.19
5.4.450.0130.06319.30
5.4.440.0070.08319.45
5.4.430.0100.07719.48
5.4.420.0200.06719.35
5.4.410.0070.03719.18
5.4.400.0030.06318.95
5.4.390.0000.04719.04
5.4.380.0070.03718.98
5.4.370.0070.06318.95
5.4.360.0170.06718.98
5.4.350.0100.07319.12
5.4.340.0130.07318.95
5.4.320.0130.07719.21
5.4.310.0070.08019.03
5.4.300.0100.06718.95
5.4.290.0070.07719.20
5.4.280.0070.06018.99
5.4.270.0030.05718.83
5.4.260.0070.04019.05
5.4.250.0030.04318.98
5.4.240.0000.04319.20
5.4.230.0100.07018.88
5.4.220.0100.05019.20
5.4.210.0030.07018.88
5.4.200.0170.06718.94
5.4.190.0100.04019.06
5.4.180.0000.04019.02
5.4.170.0070.06719.03
5.4.160.0030.08318.87
5.4.150.0070.07019.03
5.4.140.0030.07716.33
5.4.130.0200.06016.28
5.4.120.0070.05016.33
5.4.110.0000.05316.29
5.4.100.0030.08016.44
5.4.90.0070.06716.42
5.4.80.0070.07716.27
5.4.70.0000.04016.26
5.4.60.0030.04016.36
5.4.50.0070.06716.36
5.4.40.0070.07016.55
5.4.30.0000.06316.25
5.4.20.0100.04716.23
5.4.10.0100.07016.25
5.4.00.0070.06015.70
5.3.290.0030.06014.59
5.3.280.0030.08014.52
5.3.270.0030.04014.43
5.3.260.0100.07014.52
5.3.250.0070.06014.43
5.3.240.0130.07314.68
5.3.230.0070.04314.41
5.3.220.0100.06014.50
5.3.210.0030.04714.48
5.3.200.0030.06314.50
5.3.190.0030.06014.51
5.3.180.0070.05314.64
5.3.170.0030.04714.50
5.3.160.0070.07714.34
5.3.150.0070.05714.47
5.3.140.0070.07314.52
5.3.130.0130.07314.50
5.3.120.0070.05714.37
5.3.110.0100.07314.48
5.3.100.0070.06713.95
5.3.90.0230.05313.84
5.3.80.0000.04313.93
5.3.70.0100.07313.85
5.3.60.0070.05713.92
5.3.50.0100.03713.92
5.3.40.0030.04313.88
5.3.30.0100.03013.74
5.3.20.0030.03713.47
5.3.10.0070.03013.57
5.3.00.0000.03713.60
5.2.170.0030.02711.13
5.2.160.0030.02711.11
5.2.150.0000.03311.14
5.2.140.0100.02311.13
5.2.130.0000.03011.24
5.2.120.0000.03011.04
5.2.110.0030.02711.13
5.2.100.0070.02311.06
5.2.90.0000.03010.92
5.2.80.0000.03011.06
5.2.70.0000.03311.05
5.2.60.0000.03010.95
5.2.50.0030.02710.96
5.2.40.0070.02311.00
5.2.30.0000.03010.96
5.2.20.0000.03010.98
5.2.10.0000.03010.87
5.2.00.0070.02310.61
5.1.60.0070.01710.04
5.1.50.0000.02310.06
5.1.40.0030.02010.04
5.1.30.0030.02310.37
5.1.20.0100.02710.40
5.1.10.0000.02710.05
5.1.00.0070.02010.13
5.0.50.0030.0178.48
5.0.40.0000.0208.38
5.0.30.0000.0308.29
5.0.20.0030.0208.17
5.0.10.0000.0207.99
5.0.00.0000.0308.11
4.4.90.0000.0137.75
4.4.80.0000.0137.75
4.4.70.0030.0177.75
4.4.60.0000.0177.75
4.4.50.0030.0177.75
4.4.40.0000.0237.75
4.4.30.0000.0177.75
4.4.20.0030.0137.75
4.4.10.0000.0177.75
4.4.00.0000.0237.75
4.3.110.0000.0177.75
4.3.100.0000.0137.75
4.3.90.0000.0177.75
4.3.80.0030.0207.75
4.3.70.0000.0137.75
4.3.60.0000.0177.75
4.3.50.0000.0137.75
4.3.40.0000.0237.75
4.3.30.0000.0137.75
4.3.20.0000.0137.75
4.3.10.0000.0377.75
4.3.00.0030.0137.75

preferences:
40.91 ms | 401 KiB | 5 Q