3v4l.org

run code in 300+ PHP versions simultaneously
<?php global $SDB; $SDB = 'a'; echo $SDB; global $SBD; $SDB = 'b'; echo $SDB;

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)
8.3.40.0090.00618.67
8.3.30.0120.00318.54
8.3.20.0040.00418.48
8.3.10.0060.00321.04
8.3.00.0040.00423.71
8.2.170.0080.00622.96
8.2.160.0070.00720.22
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00721.15
8.2.110.0060.00620.48
8.2.100.0080.00417.91
8.2.90.0040.00419.18
8.2.80.0040.00419.40
8.2.70.0000.00817.63
8.2.60.0070.00018.03
8.2.50.0030.00518.07
8.2.40.0060.00318.22
8.2.30.0000.00719.30
8.2.20.0000.00717.52
8.2.10.0000.00717.65
8.2.00.0000.00917.72
8.1.270.0040.00423.99
8.1.260.0100.00326.35
8.1.250.0000.00728.09
8.1.240.0130.00323.92
8.1.230.0110.00020.88
8.1.220.0000.00818.77
8.1.210.0070.00318.77
8.1.200.0030.00617.23
8.1.190.0060.00317.40
8.1.180.0070.00018.10
8.1.170.0000.00718.59
8.1.160.0040.00418.71
8.1.150.0070.00018.46
8.1.140.0040.00417.33
8.1.130.0000.00717.75
8.1.120.0040.00317.42
8.1.110.0000.00717.37
8.1.100.0080.00017.43
8.1.90.0030.00417.29
8.1.80.0000.00717.37
8.1.70.0070.00017.33
8.1.60.0000.00917.54
8.1.50.0030.00617.39
8.1.40.0050.00317.47
8.1.30.0000.00817.56
8.1.20.0000.00817.59
8.1.10.0020.00517.47
8.1.00.0050.00217.33
8.0.300.0050.00519.94
8.0.290.0000.00717.05
8.0.280.0050.00218.41
8.0.270.0030.00317.13
8.0.260.0070.00016.72
8.0.250.0040.00416.98
8.0.240.0000.00916.82
8.0.230.0070.00016.75
8.0.220.0000.00716.72
8.0.210.0070.00016.74
8.0.200.0000.00816.89
8.0.190.0080.00016.74
8.0.180.0000.00816.85
8.0.170.0040.00416.82
8.0.160.0030.00316.72
8.0.150.0000.00716.62
8.0.140.0070.00016.63
8.0.130.0000.00513.32
8.0.120.0040.00416.76
8.0.110.0060.00316.79
8.0.100.0000.00716.64
8.0.90.0070.00016.73
8.0.80.0080.00816.79
8.0.70.0040.00416.71
8.0.60.0040.00416.84
8.0.50.0050.00216.64
8.0.30.0120.00717.10
8.0.20.0090.00917.40
8.0.10.0000.00716.97
8.0.00.0100.00916.83
7.4.330.0030.00316.77
7.4.320.0000.00616.53
7.4.300.0030.00316.52
7.4.290.0030.00316.41
7.4.280.0040.00416.35
7.4.270.0000.00616.44
7.4.260.0030.00313.12
7.4.250.0000.00916.49
7.4.240.0030.00316.44
7.4.230.0070.00016.63
7.4.220.0040.02016.27
7.4.210.0050.01016.54
7.4.200.0030.00316.27
7.4.190.0040.00416.38
7.4.160.0060.00916.34
7.4.150.0130.01017.40
7.4.140.0100.00717.86
7.4.130.0080.00816.39
7.4.120.0130.00316.38
7.4.110.0070.01016.48
7.4.100.0090.01316.47
7.4.90.0150.00416.33
7.4.80.0080.00919.39
7.4.70.0040.01316.54
7.4.60.0060.01016.32
7.4.50.0030.00516.28
7.4.40.0060.00622.77
7.4.30.0060.01016.54
7.4.00.0000.01714.94
7.3.330.0050.00013.08
7.3.320.0070.00012.97
7.3.310.0000.00716.16
7.3.300.0000.00616.23
7.3.290.0000.01516.17
7.3.280.0090.00716.17
7.3.270.0100.00717.40
7.3.260.0120.01118.24
7.3.250.0060.01116.44
7.3.240.0120.00416.23
7.3.230.0110.00616.40
7.3.210.0170.00016.36
7.3.200.0150.00819.39
7.3.190.0060.01216.41
7.3.180.0060.00916.36
7.3.170.0130.00316.27
7.3.160.0080.00816.54
7.3.120.0030.01414.59
7.2.330.0110.00716.32
7.2.320.0060.01316.69
7.2.310.0100.00716.51
7.2.300.0030.01416.62
7.2.290.0100.01416.16
7.2.60.0050.00516.82
7.1.200.0000.01015.79
7.1.70.0050.00316.75
7.1.60.0070.01017.02
7.1.50.0120.00416.80
7.1.00.0070.05322.30
7.0.200.0070.01016.65
7.0.140.0100.06722.10
7.0.100.0070.08020.01
7.0.90.0070.08719.98
7.0.80.0130.07320.11
7.0.70.0030.08319.92
7.0.60.0070.08719.94
7.0.50.0030.08020.15
7.0.40.0100.08020.15
7.0.30.0170.07720.13
7.0.20.0100.05720.13
7.0.10.0030.07720.14
7.0.00.0100.07320.14
5.6.280.0100.06720.77
5.6.250.0130.07020.48
5.6.240.0100.07320.63
5.6.230.0100.07320.63
5.6.220.0070.08720.72
5.6.210.0100.08320.61
5.6.200.0000.07721.02
5.6.190.0100.04321.04
5.6.180.0130.08320.95
5.6.170.0000.07321.06
5.6.160.0100.05721.05
5.6.150.0030.04321.13
5.6.140.0130.07321.13
5.6.130.0070.08021.10
5.6.120.0030.07321.10
5.6.110.0070.07021.00
5.6.100.0200.06720.98
5.6.90.0100.05720.98
5.6.80.0270.05720.39
5.6.70.0030.08720.47
5.6.60.0000.06720.46
5.6.50.0130.08020.45
5.6.40.0100.07720.52
5.6.30.0130.07720.45
5.6.20.0130.04020.36
5.6.10.0030.08320.30
5.6.00.0070.07720.34
5.5.380.0070.04320.54
5.5.370.0070.07720.39
5.5.360.0100.06020.38
5.5.350.0000.05320.45
5.5.340.0100.04720.73
5.5.330.0100.06720.87
5.5.320.0170.04020.76
5.5.310.0100.07720.80
5.5.300.0100.07720.75
5.5.290.0030.08320.72
5.5.280.0170.07320.74
5.5.270.0030.08020.87
5.5.260.0170.07020.88
5.5.250.0130.08020.57
5.5.240.0100.07020.27
5.5.230.0130.07720.17
5.5.220.0030.05320.09
5.5.210.0070.07720.25
5.5.200.0130.07720.10
5.5.190.0100.07720.11
5.5.180.0070.05720.17
5.5.160.0100.08020.25
5.5.150.0070.08020.22
5.5.140.0030.08020.17
5.5.130.0030.08320.20
5.5.120.0200.06720.22
5.5.110.0230.06320.25
5.5.100.0130.07019.97
5.5.90.0100.07020.15
5.5.80.0200.06020.09
5.5.70.0130.04320.11
5.5.60.0070.07720.08
5.5.50.0070.04020.05
5.5.40.0100.07320.14
5.5.30.0070.05320.09
5.5.20.0070.06020.07
5.5.10.0030.04320.03
5.5.00.0070.04320.03
5.4.450.0170.03719.41
5.4.440.0100.07719.40
5.4.430.0070.06719.46
5.4.420.0030.04019.43
5.4.410.0070.07319.01
5.4.400.0100.07319.15
5.4.390.0170.07318.78
5.4.380.0100.04018.79
5.4.370.0100.07319.00
5.4.360.0100.07319.03
5.4.350.0030.07319.23
5.4.340.0100.07319.23
5.4.320.0070.08019.23
5.4.310.0070.07019.11
5.4.300.0130.06718.96
5.4.290.0070.07018.78
5.4.280.0030.05019.02
5.4.270.0100.07719.13
5.4.260.0070.07318.81
5.4.250.0100.06019.14
5.4.240.0100.04719.22
5.4.230.0100.07719.02
5.4.220.0030.04019.02
5.4.210.0000.08019.11
5.4.200.0070.03719.14
5.4.190.0070.08319.02
5.4.180.0030.04019.12
5.4.170.0000.04319.04
5.4.160.0100.07019.10
5.4.150.0100.07319.00
5.4.140.0100.07316.27
5.4.130.0100.07316.11
5.4.120.0130.07016.11
5.4.110.0030.07716.48
5.4.100.0070.08016.22
5.4.90.0030.04316.43
5.4.80.0070.03716.24
5.4.70.0000.04716.19
5.4.60.0030.03716.20
5.4.50.0100.06316.31
5.4.40.0000.08716.38
5.4.30.0000.07716.13
5.4.20.0000.05016.32
5.4.10.0100.06716.39
5.4.00.0130.05015.72
5.3.290.0100.05314.61
5.3.280.0030.08014.56
5.3.270.0000.04314.55
5.3.260.0100.06714.43
5.3.250.0070.06314.44
5.3.240.0070.07314.58
5.3.230.0070.04014.45
5.3.220.0070.08014.42
5.3.210.0030.07714.56
5.3.200.0000.08014.51
5.3.190.0030.08714.55
5.3.180.0100.04014.48
5.3.170.0070.06314.51
5.3.160.0100.06314.38
5.3.150.0070.08014.57
5.3.140.0100.06714.40
5.3.130.0100.07314.49
5.3.120.0070.06314.38
5.3.110.0100.07314.49
5.3.100.0100.07014.00
5.3.90.0070.06313.97
5.3.80.0130.06713.87
5.3.70.0070.07013.97
5.3.60.0070.06313.95
5.3.50.0030.07713.93
5.3.40.0030.04713.90
5.3.30.0130.07013.86
5.3.20.0070.06313.64
5.3.10.0070.07013.61
5.3.00.0100.06313.58
5.2.170.0030.05011.06
5.2.160.0030.06311.14
5.2.150.0100.05711.18
5.2.140.0070.06010.98
5.2.130.0070.05710.93
5.2.120.0070.04710.94
5.2.110.0000.04011.16
5.2.100.0000.06711.08
5.2.90.0000.04011.09
5.2.80.0030.03010.95
5.2.70.0000.04711.04
5.2.60.0030.04711.10
5.2.50.0030.06311.04
5.2.40.0130.05311.04
5.2.30.0030.05710.81
5.2.20.0000.04010.98
5.2.10.0030.05010.71
5.2.00.0000.06310.71
5.1.60.0070.05310.46
5.1.50.0030.03010.46
5.1.40.0030.04310.46
5.1.30.0100.04310.46
5.1.20.0030.05310.46
5.1.10.0000.03310.46
5.1.00.0030.05010.46
5.0.50.0030.04710.46
5.0.40.0070.03010.46
5.0.30.0030.06310.46
5.0.20.0070.02310.46
5.0.10.0000.03310.46
5.0.00.0000.05010.46
4.4.90.0000.01710.46
4.4.80.0000.01710.46
4.4.70.0070.01010.46
4.4.60.0070.01310.46
4.4.50.0000.03010.46
4.4.40.0000.05710.46
4.4.30.0000.03710.46
4.4.20.0000.03710.46
4.4.10.0000.03010.46
4.4.00.0030.05710.46
4.3.110.0030.04010.46
4.3.100.0070.02710.46
4.3.90.0000.01710.46
4.3.80.0030.03310.46
4.3.70.0000.02310.46
4.3.60.0030.02010.46
4.3.50.0000.02010.46
4.3.40.0070.03010.46
4.3.30.0000.03310.46
4.3.20.0070.03310.46
4.3.10.0000.04010.46
4.3.00.0070.03010.46

preferences:
51.33 ms | 400 KiB | 5 Q