3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { } $x = new X; function a($a) { $a = (string) $a; $b = $a[0]; } a($x);

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)
8.3.60.0070.00716.63
8.3.50.0170.00322.05
8.3.40.0090.00618.68
8.3.30.0080.00619.09
8.3.20.0050.00220.21
8.3.10.0040.00423.52
8.3.00.0040.00420.90
8.2.180.0040.01118.63
8.2.170.0040.01122.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0030.00620.74
8.2.110.0080.00822.22
8.2.100.0030.00719.63
8.2.90.0000.00719.05
8.2.80.0050.00317.97
8.2.70.0050.00617.61
8.2.60.0070.00317.91
8.2.50.0030.00518.07
8.2.40.0060.00319.68
8.2.30.0000.00818.24
8.2.20.0000.00819.41
8.2.10.0000.00718.07
8.2.00.0040.00417.67
8.1.280.0160.00325.92
8.1.270.0120.00624.01
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0050.00523.96
8.1.230.0080.00319.15
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0100.00216.98
8.1.190.0050.00317.35
8.1.180.0080.00018.10
8.1.170.0040.00418.57
8.1.160.0000.00821.89
8.1.150.0050.00318.57
8.1.140.0070.00017.34
8.1.130.0040.00417.83
8.1.120.0030.00317.32
8.1.110.0000.00717.34
8.1.100.0040.00417.35
8.1.90.0000.00717.36
8.1.80.0000.00817.39
8.1.70.0000.00817.38
8.1.60.0030.00617.55
8.1.50.0040.00417.52
8.1.40.0060.00617.40
8.1.30.0000.00817.71
8.1.20.0080.00017.56
8.1.10.0000.00717.52
8.1.00.0040.00417.55
8.0.300.0000.00718.77
8.0.290.0000.00717.04
8.0.280.0000.00718.38
8.0.270.0050.00317.24
8.0.260.0030.00617.10
8.0.250.0000.00816.95
8.0.240.0040.00417.02
8.0.230.0070.00016.79
8.0.220.0050.00216.86
8.0.210.0000.00716.92
8.0.200.0070.00016.84
8.0.190.0040.00416.90
8.0.180.0040.00416.79
8.0.170.0000.00816.81
8.0.160.0040.00416.88
8.0.150.0050.00316.82
8.0.140.0050.00516.85
8.0.130.0000.00513.40
8.0.120.0060.00316.90
8.0.110.0040.00416.91
8.0.100.0040.00416.90
8.0.90.0050.00216.93
8.0.80.0150.00016.81
8.0.70.0000.00816.78
8.0.60.0070.00016.76
8.0.50.0000.00716.79
8.0.30.0140.00416.93
8.0.20.0090.01217.40
8.0.10.0070.00016.90
8.0.00.0070.01416.76
7.4.330.0000.00515.14
7.4.320.0030.00316.55
7.4.300.0060.00016.64
7.4.290.0040.00416.60
7.4.280.0030.00316.48
7.4.270.0040.00416.42
7.4.260.0050.00216.55
7.4.250.0080.00016.57
7.4.240.0040.00316.61
7.4.230.0040.00416.49
7.4.220.0030.01316.59
7.4.210.0090.00516.51
7.4.200.0040.00416.41
7.4.190.0070.00016.55
7.4.160.0130.01016.41
7.4.150.0120.00617.40
7.4.140.0090.00817.86
7.4.130.0120.00816.51
7.4.120.0150.00816.54
7.4.110.0070.01016.61
7.4.100.0060.01216.36
7.4.90.0090.00916.54
7.4.80.0030.01519.39
7.4.70.0100.00716.66
7.4.60.0030.01316.40
7.4.50.0040.00416.45
7.4.40.0100.01316.63
7.4.30.0030.01416.55
7.4.00.0030.00914.86
7.3.330.0000.00513.36
7.3.320.0050.00013.33
7.3.310.0070.00016.46
7.3.300.0000.00616.41
7.3.290.0090.00616.39
7.3.280.0090.00816.36
7.3.270.0100.01017.40
7.3.260.0130.00316.32
7.3.250.0080.00816.44
7.3.240.0100.00616.52
7.3.230.0130.00316.45
7.3.210.0030.01916.59
7.3.200.0060.01219.39
7.3.190.0100.00716.30
7.3.180.0120.00916.38
7.3.170.0130.00316.54
7.3.160.0060.01016.45
7.3.120.0040.01114.95
7.2.330.0110.00616.48
7.2.320.0140.00716.68
7.2.310.0070.01116.59
7.2.300.0050.01116.55
7.2.290.0120.00416.71
7.2.60.0120.00416.44
7.2.00.0030.01019.15
7.1.200.0000.01215.39
7.1.100.0060.01018.27
7.1.70.0000.01817.13
7.1.60.0110.01419.46
7.1.50.0030.01116.90
7.1.00.0100.07022.36
7.0.200.0070.00716.47
7.0.140.0000.07721.95
7.0.110.0130.06721.66
7.0.100.0030.08321.73
7.0.90.0070.07721.67
7.0.80.0100.05721.82
7.0.70.0070.07721.79
7.0.60.0030.04021.68
7.0.50.0070.08322.00
7.0.40.0030.08020.08
7.0.30.0030.07720.11
7.0.20.0100.04319.94
7.0.10.0030.04720.01
7.0.00.0030.05019.99
5.6.280.0000.07721.07
5.6.260.0030.08320.61
5.6.250.0070.08320.67
5.6.240.0030.05020.53
5.6.230.0100.05720.66
5.6.220.0130.08020.40
5.6.210.0000.06020.53
5.6.200.0100.07321.01
5.6.190.0000.04720.96
5.6.180.0100.05020.90
5.6.170.0030.04321.04
5.6.160.0070.03721.14
5.6.150.0000.04021.08
5.6.140.0030.04720.86
5.6.130.0070.04020.88
5.6.120.0000.04720.88
5.6.110.0100.04020.91
5.6.100.0000.05021.22
5.6.90.0070.03721.12
5.6.80.0030.03720.36
5.6.70.0030.06020.31
5.6.60.0100.03320.44
5.6.50.0070.03320.36
5.6.40.0030.07320.26
5.6.30.0030.06720.30
5.6.20.0030.05320.43
5.6.10.0070.04320.33
5.6.00.0030.08020.44
5.5.380.0070.06020.48
5.5.370.0030.07720.42
5.5.360.0070.06020.22
5.5.350.0070.04720.46
5.5.340.0030.04020.91
5.5.330.0030.06320.81
5.5.320.0100.04720.89
5.5.310.0070.07320.81
5.5.300.0030.04020.98
5.5.290.0070.03720.93
5.5.280.0030.04720.89
5.5.270.0070.06320.84
5.5.260.0030.04020.80
5.5.250.0000.04720.66
5.5.240.0070.03720.04
5.5.230.0030.04320.20
5.5.220.0070.03320.36
5.5.210.0000.04320.28
5.5.200.0000.07320.25
5.5.190.0070.08020.20
5.5.180.0030.09020.14
5.5.160.0030.06020.25
5.5.150.0000.09020.07
5.5.140.0070.06320.07
5.5.130.0070.07720.32
5.5.120.0070.07020.28
5.5.110.0000.08019.98
5.5.100.0030.08020.10
5.5.90.0000.06720.13
5.5.80.0000.07019.97
5.5.70.0030.04719.99
5.5.60.0030.05020.02
5.5.50.0100.04720.04
5.5.40.0100.04020.20
5.5.30.0100.03320.18
5.5.20.0030.06719.90
5.5.10.0030.06320.00
5.5.00.0100.05319.95
5.4.450.0030.04019.46
5.4.440.0000.04319.36
5.4.430.0030.04019.51
5.4.420.0030.04019.50
5.4.410.0030.04719.43
5.4.400.0100.03319.10
5.4.390.0030.03719.33
5.4.380.0030.03719.14
5.4.370.0000.04019.16
5.4.360.0030.03719.01
5.4.350.0070.05019.16
5.4.340.0070.04318.95
5.4.320.0030.03718.99
5.4.310.0000.08318.95
5.4.300.0030.06019.22
5.4.290.0130.03719.16
5.4.280.0100.07019.02
5.4.270.0130.06718.99
5.4.260.0070.05719.00
5.4.250.0000.06018.99
5.4.240.0030.07718.99
5.4.230.0070.07019.22
5.4.220.0030.07719.18
5.4.210.0070.04019.05
5.4.200.0100.06719.09
5.4.190.0030.07019.25
5.4.180.0030.07719.00
5.4.170.0030.04719.02
5.4.160.0030.05718.96
5.4.150.0030.07019.22
5.4.140.0070.06316.28
5.4.130.0030.07716.40
5.4.120.0070.05316.38
5.4.110.0000.07316.37
5.4.100.0030.06316.42
5.4.90.0030.06716.55
5.4.80.0130.05716.54
5.4.70.0030.04016.63
5.4.60.0070.04716.51
5.4.50.0070.04316.59
5.4.40.0000.08016.68
5.4.30.0070.07016.50
5.4.20.0000.07316.47
5.4.10.0030.06316.46
5.4.00.0030.07015.86
5.3.290.0070.06014.66
5.3.280.0030.07314.63
5.3.270.0030.04014.74
5.3.260.0030.07014.63
5.3.250.0000.04014.74
5.3.240.0030.07014.69
5.3.230.0000.08014.45
5.3.220.0030.06014.60
5.3.210.0130.07314.69
5.3.200.0030.04714.69
5.3.190.0030.07014.57
5.3.180.0070.06014.56
5.3.170.0070.07314.52
5.3.160.0030.03314.69
5.3.150.0030.03314.64
5.3.140.0030.04014.54
5.3.130.0030.05314.50
5.3.120.0070.05014.50
5.3.110.0030.04714.55
5.3.100.0070.06714.04
5.3.90.0070.07014.04
5.3.80.0030.06314.08
5.3.70.0070.05714.15
5.3.60.0000.07013.85
5.3.50.0030.07013.90
5.3.40.0070.06314.01
5.3.30.0070.06313.98
5.3.20.0070.06713.54
5.3.10.0030.06713.51
5.3.00.0000.05713.65
5.2.170.0030.04311.32
5.2.160.0070.04711.32
5.2.150.0070.04711.32
5.2.140.0000.06711.32
5.2.130.0070.05711.32
5.2.120.0030.06011.32
5.2.110.0000.06011.32
5.2.100.0000.06311.32
5.2.90.0030.03011.32
5.2.80.0030.06011.32
5.2.70.0030.06011.32
5.2.60.0100.05011.32
5.2.50.0030.06011.32
5.2.40.0030.06311.32
5.2.30.0070.04311.32
5.2.20.0030.03711.32
5.2.10.0070.05711.32
5.2.00.0070.05311.32
5.1.60.0070.05011.32
5.1.50.0000.04311.32
5.1.40.0070.04711.32
5.1.30.0000.06011.32
5.1.20.0000.05011.32
5.1.10.0070.04011.32
5.1.00.0030.05711.32
5.0.50.0000.04311.32
5.0.40.0030.04011.32
5.0.30.0030.06311.32
5.0.20.0000.04711.32
5.0.10.0030.03311.32
5.0.00.0000.03311.32
4.4.90.0000.02711.32
4.4.80.0030.03311.32
4.4.70.0070.02011.32
4.4.60.0000.01711.32
4.4.50.0000.03311.32
4.4.40.0000.03711.32
4.4.30.0000.02311.32
4.4.20.0000.03311.32
4.4.10.0030.01711.32
4.4.00.0000.04311.32
4.3.110.0000.03711.32
4.3.100.0000.03311.32
4.3.90.0070.02311.32
4.3.80.0000.04711.32
4.3.70.0030.02311.32
4.3.60.0000.01711.32
4.3.50.0000.03011.32
4.3.40.0000.04711.32
4.3.30.0070.02711.32
4.3.20.0000.03311.32
4.3.10.0030.03011.32
4.3.00.0030.02711.32

preferences:
47.98 ms | 401 KiB | 5 Q