3v4l.org

run code in 300+ PHP versions simultaneously
<?php $session = array(); $session['one']['two'] = 'value'; var_dump($session['one']);

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)
8.3.60.0120.00316.50
8.3.50.0100.01022.06
8.3.40.0070.00718.65
8.3.30.0150.00618.90
8.3.20.0060.00320.39
8.3.10.0000.00723.48
8.3.00.0110.00017.50
8.2.180.0090.00618.55
8.2.170.0040.01122.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0070.01026.16
8.2.120.0000.00722.14
8.2.110.0000.01122.06
8.2.100.0040.00817.91
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0040.00418.05
8.2.50.0030.00518.07
8.2.40.0040.00418.16
8.2.30.0040.00418.09
8.2.20.0000.00717.66
8.2.10.0030.00518.08
8.2.00.0100.00017.55
8.1.280.0140.00025.92
8.1.270.0060.00323.96
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0070.01023.89
8.1.230.0040.00719.14
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0040.00417.26
8.1.180.0080.00018.10
8.1.170.0080.00018.54
8.1.160.0000.00721.93
8.1.150.0050.00218.54
8.1.140.0080.00017.29
8.1.130.0000.00717.70
8.1.120.0000.00717.41
8.1.110.0060.00317.28
8.1.100.0080.00017.28
8.1.90.0050.00317.39
8.1.80.0000.00717.43
8.1.70.0030.00317.26
8.1.60.0070.00017.41
8.1.50.0080.00017.44
8.1.40.0050.00317.44
8.1.30.0030.00517.50
8.1.20.0070.00017.51
8.1.10.0080.00017.38
8.1.00.0030.00517.30
8.0.300.0050.00218.77
8.0.290.0070.00017.15
8.0.280.0000.00718.29
8.0.270.0070.00017.18
8.0.260.0030.00617.06
8.0.250.0000.00716.82
8.0.240.0040.00416.80
8.0.230.0060.00016.89
8.0.220.0000.00716.82
8.0.210.0000.00716.79
8.0.200.0040.00416.74
8.0.190.0030.00616.91
8.0.180.0030.00916.75
8.0.170.0040.00416.86
8.0.160.0040.00416.78
8.0.150.0030.00316.88
8.0.140.0030.00316.80
8.0.130.0030.00313.21
8.0.120.0000.00716.76
8.0.110.0050.00316.73
8.0.100.0040.00416.69
8.0.90.0040.00316.81
8.0.80.0110.00416.79
8.0.70.0040.00416.84
8.0.60.0050.00316.89
8.0.50.0000.00716.78
8.0.30.0150.00517.07
8.0.20.0060.01217.40
8.0.10.0050.00316.84
8.0.00.0100.00916.49
7.4.330.0000.00615.06
7.4.320.0030.00316.45
7.4.300.0040.00416.44
7.4.290.0030.00316.32
7.4.280.0030.00316.42
7.4.270.0060.00316.45
7.4.260.0030.00316.39
7.4.250.0030.00316.49
7.4.240.0030.00316.51
7.4.230.0000.00716.59
7.4.220.0100.01416.46
7.4.210.0070.00816.49
7.4.200.0070.00016.64
7.4.190.0030.00316.63
7.4.160.0100.00716.34
7.4.150.0090.00917.40
7.4.140.0120.01117.86
7.4.130.0140.00516.58
7.4.120.0100.00916.34
7.4.110.0130.01016.47
7.4.100.0100.01016.43
7.4.90.0070.01216.62
7.4.80.0130.01319.39
7.4.70.0030.01316.33
7.4.60.0040.01216.21
7.4.50.0050.00516.19
7.4.40.0040.01222.77
7.4.30.0040.01216.44
7.4.00.0100.00315.05
7.3.330.0050.00013.10
7.3.320.0000.00512.93
7.3.310.0070.00016.18
7.3.300.0030.00316.03
7.3.290.0000.01416.22
7.3.280.0070.01116.27
7.3.270.0110.00717.40
7.3.260.0120.00616.33
7.3.250.0130.00616.36
7.3.240.0030.01416.41
7.3.230.0030.01416.39
7.3.210.0090.00916.63
7.3.200.0130.00919.39
7.3.190.0090.01216.19
7.3.180.0120.00316.48
7.3.170.0130.00316.30
7.3.160.0120.00416.07
7.3.120.0100.00315.04
7.2.330.0070.01116.29
7.2.320.0070.01016.61
7.2.310.0120.01216.68
7.2.300.0110.00516.60
7.2.290.0060.01316.71
7.2.60.0030.00916.59
7.2.00.0190.00818.91
7.1.200.0090.00315.54
7.1.100.0000.01017.98
7.1.70.0190.00717.02
7.1.60.0070.01119.33
7.1.50.0070.00716.89
7.1.00.0030.07722.32
7.0.200.0030.01016.71
7.0.140.0100.06722.14
7.0.100.0200.06719.83
7.0.90.0070.07719.84
7.0.80.0170.06719.83
7.0.70.0100.08320.09
7.0.60.0230.08719.91
7.0.50.0230.04320.28
7.0.40.0100.07720.05
7.0.30.0070.07720.11
7.0.20.0070.08320.10
7.0.10.0030.05320.16
7.0.00.0130.08020.07
5.6.280.0100.06720.86
5.6.250.0030.05320.76
5.6.240.0000.05720.58
5.6.230.0170.08020.57
5.6.220.0130.08020.56
5.6.210.0130.04720.64
5.6.200.0030.08020.96
5.6.190.0100.05720.98
5.6.180.0070.06021.01
5.6.170.0030.08721.16
5.6.160.0130.05021.00
5.6.150.0130.08021.02
5.6.140.0070.04021.07
5.6.130.0100.07721.01
5.6.120.0030.05320.93
5.6.110.0070.06021.00
5.6.100.0100.07321.11
5.6.90.0170.07720.98
5.6.80.0100.05320.34
5.6.70.0070.08320.38
5.6.60.0030.08320.46
5.6.50.0170.07320.51
5.6.40.0030.07020.38
5.6.30.0070.07720.32
5.6.20.0100.07020.45
5.6.10.0030.05020.30
5.6.00.0030.08020.43
5.5.380.0170.07720.31
5.5.370.0200.07320.39
5.5.360.0030.07720.45
5.5.350.0070.08320.28
5.5.340.0100.07720.85
5.5.330.0170.06020.73
5.5.320.0070.06320.79
5.5.310.0030.06720.84
5.5.300.0130.07720.79
5.5.290.0070.05720.79
5.5.280.0130.07720.88
5.5.270.0000.09320.90
5.5.260.0170.06720.74
5.5.250.0070.08320.62
5.5.240.0130.08020.18
5.5.230.0130.07720.24
5.5.220.0200.06720.00
5.5.210.0070.04320.29
5.5.200.0000.06720.14
5.5.190.0130.07020.23
5.5.180.0070.08320.24
5.5.160.0100.08020.03
5.5.150.0070.08020.21
5.5.140.0000.06320.26
5.5.130.0200.06020.25
5.5.120.0100.06720.21
5.5.110.0200.06720.09
5.5.100.0030.04019.97
5.5.90.0070.03720.05
5.5.80.0000.04320.07
5.5.70.0030.04020.15
5.5.60.0030.03720.13
5.5.50.0070.03720.10
5.5.40.0030.04020.05
5.5.30.0030.04320.07
5.5.20.0000.04319.98
5.5.10.0030.04020.02
5.5.00.0000.05020.07
5.4.450.0000.07719.29
5.4.440.0030.05719.30
5.4.430.0000.06319.32
5.4.420.0070.05719.34
5.4.410.0070.04319.32
5.4.400.0170.07319.13
5.4.390.0070.07318.81
5.4.380.0070.07718.96
5.4.370.0130.07019.14
5.4.360.0070.07719.06
5.4.350.0130.06719.02
5.4.340.0100.08019.03
5.4.320.0130.05318.95
5.4.310.0170.06018.94
5.4.300.0070.08018.90
5.4.290.0070.07718.83
5.4.280.0170.03719.09
5.4.270.0030.07718.78
5.4.260.0000.05018.89
5.4.250.0100.03718.80
5.4.240.0030.03719.23
5.4.230.0030.03719.02
5.4.220.0100.03019.04
5.4.210.0030.04019.02
5.4.200.0000.04018.89
5.4.190.0030.03719.05
5.4.180.0030.03719.11
5.4.170.0070.03718.95
5.4.160.0030.03719.07
5.4.150.0070.04019.07
5.4.140.0070.03716.30
5.4.130.0000.04016.29
5.4.120.0030.03015.98
5.4.110.0030.03716.31
5.4.100.0030.03316.21
5.4.90.0030.03716.41
5.4.80.0030.03316.20
5.4.70.0000.04016.24
5.4.60.0100.02716.23
5.4.50.0000.04016.33
5.4.40.0070.03016.34
5.4.30.0030.03716.23
5.4.20.0030.03016.27
5.4.10.0000.03316.28
5.4.00.0030.03015.68
5.3.290.0000.08014.51
5.3.280.0000.04014.52
5.3.270.0030.04014.60
5.3.260.0030.03714.56
5.3.250.0030.06314.54
5.3.240.0030.04014.59
5.3.230.0030.04014.55
5.3.220.0030.03714.42
5.3.210.0030.03014.55
5.3.200.0030.04014.55
5.3.190.0000.03314.55
5.3.180.0000.04014.46
5.3.170.0000.04314.39
5.3.160.0030.05714.57
5.3.150.0030.03014.42
5.3.140.0000.04314.50
5.3.130.0070.03014.54
5.3.120.0000.03314.40
5.3.110.0000.04714.50
5.3.100.0070.03313.98
5.3.90.0000.04313.88
5.3.80.0030.03714.02
5.3.70.0030.03013.99
5.3.60.0070.02713.98
5.3.50.0000.03313.91
5.3.40.0000.03713.93
5.3.30.0030.03013.81
5.3.20.0000.03713.66
5.3.10.0100.02013.51
5.3.00.0070.03013.58
5.2.170.0030.02710.97
5.2.160.0000.03011.14
5.2.150.0030.02311.18
5.2.140.0030.03011.13
5.2.130.0000.02711.16
5.2.120.0000.03011.09
5.2.110.0030.02310.93
5.2.100.0000.02711.11
5.2.90.0000.03011.04
5.2.80.0000.02711.11
5.2.70.0000.02711.08
5.2.60.0000.02711.03
5.2.50.0000.02711.02
5.2.40.0030.02310.98
5.2.30.0030.03010.81
5.2.20.0000.02311.04
5.2.10.0030.02710.80
5.2.00.0000.04710.63
5.1.60.0000.05310.08
5.1.50.0000.04710.01
5.1.40.0070.04310.01
5.1.30.0030.04010.19
5.1.20.0030.04310.41
5.1.10.0000.04710.07
5.1.00.0030.05710.05
5.0.50.0070.0439.49
5.0.40.0000.0309.49
5.0.30.0070.0639.49
5.0.20.0070.0279.49
5.0.10.0000.0479.49
5.0.00.0000.0409.49
4.4.90.0030.0139.49
4.4.80.0000.0139.49
4.4.70.0030.0379.49
4.4.60.0070.0279.49
4.4.50.0000.0239.49
4.4.40.0000.0279.49
4.4.30.0030.0379.49
4.4.20.0000.0339.49
4.4.10.0030.0339.49
4.4.00.0030.0409.49
4.3.110.0070.0239.49
4.3.100.0000.0309.49
4.3.90.0030.0309.49
4.3.80.0000.0309.49
4.3.70.0000.0339.49
4.3.60.0030.0179.49
4.3.50.0000.0379.49
4.3.40.0000.0439.49
4.3.30.0000.0209.49
4.3.20.0030.0309.49
4.3.10.0000.0179.49
4.3.00.0000.0309.49

preferences:
81.99 ms | 400 KiB | 5 Q