3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('session.name', ''); var_dump(session_name("foo"));

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)
8.3.60.0110.00418.27
8.3.50.0130.00816.48
8.3.40.0070.01318.79
8.3.30.0100.00618.57
8.3.20.0040.00418.52
8.3.10.0040.00420.46
8.3.00.0040.00417.38
8.2.180.0130.00916.50
8.2.170.0040.01122.96
8.2.160.0120.00322.09
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00419.82
8.2.110.0000.01121.12
8.2.100.0090.00317.91
8.2.90.0050.00520.83
8.2.80.0070.00017.55
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0000.00918.07
8.2.40.0040.00418.09
8.2.30.0040.00417.88
8.2.20.0000.00717.52
8.2.10.0050.00217.65
8.2.00.0000.00817.54
8.1.280.0030.01025.92
8.1.270.0070.00023.99
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00622.34
8.1.230.0070.00320.77
8.1.220.0090.00017.74
8.1.210.0060.00618.89
8.1.200.0030.00617.22
8.1.190.0000.00717.28
8.1.180.0050.00318.10
8.1.170.0030.00518.90
8.1.160.0000.00718.73
8.1.150.0000.00718.41
8.1.140.0070.00017.38
8.1.130.0060.00017.66
8.1.120.0030.00417.28
8.1.110.0050.00317.33
8.1.100.0050.00217.27
8.1.90.0030.00317.22
8.1.80.0050.00317.24
8.1.70.0030.00517.31
8.1.60.0040.00417.48
8.1.50.0000.00717.22
8.1.40.0000.00717.24
8.1.30.0000.00817.43
8.1.20.0000.00817.53
8.1.10.0000.00717.25
8.1.00.0090.00017.33
8.0.300.0000.00819.76
8.0.290.0040.00416.63
8.0.280.0000.00718.35
8.0.270.0070.00017.03
8.0.260.0080.00016.76
8.0.250.0000.01016.85
8.0.240.0030.00716.89
8.0.230.0040.00416.78
8.0.220.0030.00316.84
8.0.210.0000.00716.84
8.0.200.0030.00316.77
8.0.190.0000.00716.79
8.0.180.0050.00216.81
8.0.170.0090.00016.76
8.0.160.0070.00016.73
8.0.150.0030.00516.65
8.0.140.0040.00816.80
8.0.130.0060.00013.21
8.0.120.0040.00416.72
8.0.110.0070.00016.78
8.0.100.0000.00716.64
8.0.90.0040.00416.69
8.0.80.0040.01116.74
8.0.70.0000.00816.88
8.0.60.0070.00016.71
8.0.50.0030.00516.61
8.0.30.0060.01317.08
8.0.20.0090.00917.18
8.0.10.0080.00017.00
8.0.00.0100.00816.50
7.4.330.0000.00514.71
7.4.320.0030.00316.35
7.4.300.0000.00616.36
7.4.290.0030.00416.37
7.4.280.0030.00316.46
7.4.270.0070.00016.28
7.4.260.0030.00313.24
7.4.250.0040.00416.38
7.4.240.0030.00516.51
7.4.230.0040.00316.46
7.4.220.0150.00516.35
7.4.210.0080.00816.46
7.4.200.0000.00716.50
7.4.190.0070.00016.41
7.4.160.0090.00616.34
7.4.150.0110.00617.18
7.4.140.0160.00617.08
7.4.130.0060.01316.44
7.4.120.0090.00916.34
7.4.110.0070.01016.41
7.4.100.0110.00616.31
7.4.90.0110.00716.45
7.4.80.0150.00618.80
7.4.70.0160.00316.39
7.4.60.0140.00316.43
7.4.50.0030.00615.99
7.4.40.0070.01022.27
7.4.30.0090.00716.35
7.4.00.0060.00814.91
7.3.330.0000.00612.95
7.3.320.0000.00513.10
7.3.310.0030.00316.14
7.3.300.0000.00716.22
7.3.290.0130.00616.24
7.3.280.0090.01116.14
7.3.270.0000.01617.18
7.3.260.0060.01218.24
7.3.250.0110.00916.29
7.3.240.0120.00616.25
7.3.230.0080.00816.39
7.3.210.0090.00616.14
7.3.200.0040.01116.19
7.3.190.0190.00316.23
7.3.180.0130.00316.27
7.3.170.0140.00916.28
7.3.160.0120.00416.43
7.3.120.0110.00514.65
7.3.110.0060.01214.25
7.3.100.0040.01214.57
7.3.90.0070.00314.73
7.3.80.0070.00714.70
7.3.70.0040.00814.65
7.3.60.0070.00714.45
7.3.50.0060.00614.67
7.3.40.0040.01114.65
7.3.30.0030.01014.65
7.3.20.0120.00316.59
7.3.10.0040.00416.22
7.3.00.0020.00816.29
7.2.330.0160.00916.48
7.2.320.0100.00716.57
7.2.310.0050.01416.29
7.2.300.0030.01316.54
7.2.290.0100.00716.56
7.2.250.0090.00614.55
7.2.240.0060.00914.69
7.2.230.0000.01414.92
7.2.220.0030.01014.83
7.2.210.0030.01014.66
7.2.200.0060.00614.98
7.2.190.0110.00714.70
7.2.180.0090.00014.79
7.2.170.0040.01114.69
7.2.130.0100.00316.70
7.2.120.0100.00316.67
7.2.110.0000.01416.68
7.2.100.0000.01116.54
7.2.90.0030.00916.46
7.2.80.0070.00716.63
7.2.70.0030.00616.29
7.2.60.0020.01216.41
7.2.50.0030.00916.77
7.2.40.0040.00716.45
7.2.30.0100.00316.45
7.2.20.0090.00316.52
7.2.10.0060.00316.54
7.2.00.0020.01218.00
7.1.330.0030.00915.74
7.1.320.0040.01215.61
7.1.310.0120.00315.56
7.1.300.0040.00815.65
7.1.290.0040.00815.71
7.1.280.0120.00015.83
7.1.270.0000.01515.75
7.1.260.0080.00015.82
7.1.250.0080.00015.49
7.1.200.0040.00415.69
7.1.100.0040.00818.01
7.1.70.0090.00016.75
7.1.60.0030.01919.40
7.1.50.0040.00816.87
7.1.00.0000.08022.54
7.0.200.0530.01014.71
7.0.140.0070.07022.21
7.0.60.0200.06020.06
7.0.50.0130.07017.88
7.0.40.0070.09319.96
7.0.30.0370.05720.34
7.0.20.0330.07720.12
7.0.10.0000.07720.11
7.0.00.0000.07320.01
5.6.280.0000.07721.10
5.6.210.1130.06320.78
5.6.200.0030.05718.07
5.6.190.0070.04020.49
5.6.180.0330.05020.60
5.6.170.0370.06020.47
5.6.160.0100.06320.52
5.6.150.0070.03718.16
5.6.140.0130.07318.18
5.6.130.0200.07018.16
5.6.120.0000.04320.96
5.6.110.0170.07321.04
5.6.100.0070.08720.95
5.6.90.0130.08021.11
5.6.80.0030.07020.37
5.5.350.4000.02720.38
5.5.340.0030.04318.00
5.5.330.0070.04320.39
5.5.320.0000.08720.18
5.5.310.0170.06320.33
5.5.300.0070.04017.98
5.5.290.0170.07017.97
5.5.280.0200.07320.73
5.5.270.0130.08020.75
5.5.260.0100.07320.75
5.5.250.0030.08320.57
5.5.240.0100.07720.35
5.4.450.3230.04019.57
5.4.440.3500.03319.41
5.4.430.3470.03719.37
5.4.420.3300.04019.41
5.4.410.3200.04019.33
5.4.400.3770.04018.81
5.4.390.2600.04019.18
5.4.380.3530.04019.08
5.4.370.3070.03719.16
5.4.360.3400.04019.16
5.4.350.4170.03718.93
5.4.340.2770.04018.88
5.4.320.3670.04019.13
5.4.310.3670.04019.26
5.4.300.3400.04319.05
5.4.290.3500.03719.08
5.4.280.3700.03719.07
5.4.270.3830.03319.13
5.4.260.3530.03719.16
5.4.250.4200.03018.89
5.4.240.4370.03718.80
5.4.230.4030.03319.07
5.4.220.4130.04019.15
5.4.210.3870.03019.12
5.4.200.4230.03319.08
5.4.190.3500.02719.05
5.4.180.3670.04019.05
5.4.170.3070.04319.10
5.4.160.3500.04318.78
5.4.150.3400.04318.77
5.4.140.3470.03316.45
5.4.130.3300.03716.27
5.4.120.3730.04016.54
5.4.110.2900.03316.19
5.4.100.3070.03316.43
5.4.90.3370.03316.36
5.4.80.3370.04016.38
5.4.70.3370.04016.21
5.4.60.3930.04016.38
5.4.50.4000.04016.28
5.4.40.4070.04016.36
5.4.30.3930.03716.30
5.4.20.3570.03016.04
5.4.10.3630.04716.36
5.4.00.3570.03315.70
5.3.290.3400.04314.61
5.3.280.4130.04014.63
5.3.270.3000.04314.58
5.3.260.2600.04314.55
5.3.250.3570.03314.46
5.3.240.3330.03014.58
5.3.230.3000.04014.45
5.3.220.3230.04314.47
5.3.210.3270.03314.43
5.3.200.3170.03714.54
5.3.190.3030.03014.52
5.3.180.3400.03314.51
5.3.170.3830.03714.50
5.3.160.4030.03714.60
5.3.150.3470.03714.39
5.3.140.4030.04014.59
5.3.130.4170.04014.39
5.3.120.4030.03314.38
5.3.110.3930.03714.40
5.3.100.3630.04013.87
5.3.90.3630.04013.97
5.3.80.3530.03713.79
5.3.70.3830.03013.96
5.3.60.3530.03713.77
5.3.50.3600.03713.79
5.3.40.3930.04313.96
5.3.30.3330.04013.85
5.3.20.3270.03713.62
5.3.10.3430.03713.43
5.3.00.3900.03313.46
5.2.170.3070.02711.04
5.2.160.3400.02711.08
5.2.150.3000.03011.19
5.2.140.3100.02711.16
5.2.130.3270.02711.12
5.2.120.3170.03310.95
5.2.110.3100.03010.96
5.2.100.3000.02311.12
5.2.90.3430.03010.94
5.2.80.3470.03011.00
5.2.70.3570.03311.10
5.2.60.3630.03010.90
5.2.50.2900.03011.05
5.2.40.2500.02710.84
5.2.30.2230.02311.02
5.2.20.2430.02310.91
5.2.10.2370.03010.85
5.2.00.2570.02710.86
5.1.60.2470.0209.96
5.1.50.2100.0309.98
5.1.40.2230.0209.90
5.1.30.2170.02710.33
5.1.20.2670.02310.28
5.1.10.3070.02010.18
5.1.00.3030.02710.04
5.0.50.1600.0238.52
5.0.40.1430.0238.45
5.0.30.1330.0238.29
5.0.20.1470.0178.17
5.0.10.1470.0178.09
5.0.00.1670.0338.04
4.4.90.1600.0176.41
4.4.80.1530.0136.41
4.4.70.1400.0106.41
4.4.60.1330.0176.41
4.4.50.1330.0136.41
4.4.40.1230.0276.41
4.4.30.1130.0176.41
4.4.20.1670.0206.41
4.4.10.1300.0176.41
4.4.00.1330.0236.41
4.3.110.1200.0176.41
4.3.100.1000.0176.41
4.3.90.1530.0176.41
4.3.80.1500.0236.41
4.3.70.1630.0176.41
4.3.60.1330.0176.41
4.3.50.1300.0136.41
4.3.40.1570.0236.41
4.3.30.0770.0136.41
4.3.20.0730.0136.41
4.3.10.0730.0176.41
4.3.00.0970.0206.41

preferences:
46.87 ms | 401 KiB | 5 Q