3v4l.org

run code in 300+ PHP versions simultaneously
<? $str = "hallo welt"; $str[0] = "k"; $str[6] = "s"; var_dump($str); $str = ""; var_dump($str); ?>

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)
8.3.60.0100.01016.38
8.3.50.0120.00321.95
8.3.40.0150.00618.73
8.3.30.0060.00919.11
8.3.20.0040.00420.07
8.3.10.0070.00021.72
8.3.00.0080.00017.89
8.2.180.0100.00716.63
8.2.170.0040.01122.96
8.2.160.0090.00620.38
8.2.150.0000.00724.18
8.2.140.0050.00224.66
8.2.130.0080.00026.16
8.2.120.0040.00421.02
8.2.110.0040.00422.32
8.2.100.0110.00017.97
8.2.90.0000.00819.08
8.2.80.0080.00017.97
8.2.70.0030.00617.36
8.2.60.0030.00517.92
8.2.50.0030.00618.07
8.2.40.0080.00019.82
8.2.30.0050.00318.09
8.2.20.0050.00517.62
8.2.10.0000.00817.88
8.2.00.0050.00317.42
8.1.280.0100.00725.92
8.1.270.0040.00423.87
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00421.98
8.1.230.0030.00619.15
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0100.00017.10
8.1.190.0030.00616.85
8.1.180.0090.00018.10
8.1.170.0040.00418.50
8.1.160.0070.00021.93
8.1.150.0070.00018.73
8.1.140.0030.00617.26
8.1.130.0030.00317.67
8.1.120.0070.00017.23
8.1.110.0000.00717.30
8.1.100.0000.00717.24
8.1.90.0040.00417.30
8.1.80.0000.00717.33
8.1.70.0040.00417.30
8.1.60.0040.00417.43
8.1.50.0000.00817.27
8.1.40.0080.00017.27
8.1.30.0000.00817.49
8.1.20.0080.00017.43
8.1.10.0000.00717.49
8.1.00.0040.00417.30
8.0.300.0040.00418.77
8.0.290.0070.00016.58
8.0.280.0030.00318.34
8.0.270.0030.00517.19
8.0.260.0060.00017.18
8.0.250.0000.00716.84
8.0.240.0000.00716.80
8.0.230.0030.00316.68
8.0.220.0030.00316.80
8.0.210.0000.00716.59
8.0.200.0000.01016.86
8.0.190.0040.00416.83
8.0.180.0040.00416.74
8.0.170.0030.00616.77
8.0.160.0000.00716.72
8.0.150.0000.00716.60
8.0.140.0000.00716.62
8.0.130.0000.00613.35
8.0.120.0040.00416.59
8.0.110.0040.00416.65
8.0.100.0040.00416.65
8.0.90.0000.00716.73
8.0.80.0100.00716.74
8.0.70.0000.00816.81
8.0.60.0070.00016.63
8.0.50.0000.00716.57
8.0.30.0150.00617.07
8.0.20.0080.01017.40
8.0.10.0000.00716.83
8.0.00.0100.00816.60
7.4.330.0000.00515.00
7.4.320.0030.00316.46
7.4.300.0030.00316.44
7.4.290.0030.00316.38
7.4.280.0000.00716.39
7.4.270.0030.00316.41
7.4.260.0000.00716.27
7.4.250.0070.00016.23
7.4.240.0020.00516.36
7.4.230.0000.00716.36
7.4.220.0090.00916.26
7.4.210.0060.00816.46
7.4.200.0070.00016.20
7.4.160.0100.00516.45
7.4.150.0140.00317.40
7.4.140.0130.00817.86
7.4.130.0110.00616.37
7.4.120.0110.00716.41
7.4.110.0090.00816.31
7.4.100.0100.00716.24
7.4.90.0100.00716.50
7.4.80.0130.00619.39
7.4.70.0080.00816.36
7.4.60.0130.00316.32
7.4.50.0000.00816.30
7.4.40.0100.00716.47
7.4.30.0100.00616.19
7.4.00.0080.00814.96
7.3.330.0000.00513.05
7.3.320.0030.00313.23
7.3.310.0000.00716.27
7.3.300.0070.00015.99
7.3.290.0000.01516.18
7.3.280.0060.01316.13
7.3.270.0130.01017.40
7.3.260.0070.01016.09
7.3.250.0090.01016.17
7.3.240.0070.01016.23
7.3.230.0100.01016.39
7.3.210.0090.00816.35
7.3.200.0060.01519.39
7.3.190.0140.00316.29
7.3.180.0000.01516.14
7.3.170.0090.00616.35
7.3.160.0100.00716.17
7.3.120.0070.00714.91
7.3.10.0070.00716.32
7.3.00.0030.00716.61
7.2.330.0170.00016.32
7.2.320.0080.00816.46
7.2.310.0090.00816.44
7.2.300.0000.01616.47
7.2.290.0040.01216.39
7.2.130.0060.00816.75
7.2.120.0050.01016.79
7.2.110.0140.00316.86
7.2.100.0090.00316.55
7.2.90.0000.01416.65
7.2.80.0030.00916.79
7.2.70.0040.01116.92
7.2.60.0070.00716.62
7.2.50.0030.00916.68
7.2.40.0000.01416.86
7.2.30.0030.01016.61
7.2.20.0030.01016.95
7.2.10.0000.01116.58
7.2.00.0040.00818.05
7.1.250.0060.01015.49
7.1.200.0100.00315.87
7.1.100.0090.00918.14
7.1.70.0040.00417.15
7.1.60.0070.01419.70
7.1.50.0000.01016.98
7.1.00.0070.07322.33
7.0.200.0060.00616.94
7.0.140.0070.06321.98
7.0.60.0100.08320.00
7.0.50.0030.04717.81
7.0.40.0070.06320.27
7.0.30.0300.04320.18
7.0.20.0400.05020.19
7.0.10.0070.04720.09
7.0.00.0070.08020.01
5.6.280.0100.06721.08
5.6.210.0000.09020.69
5.6.200.0130.08318.11
5.6.190.0030.09020.35
5.6.180.0300.06320.66
5.6.170.0270.09320.51
5.6.160.0130.06720.63
5.6.150.0070.08318.18
5.6.140.0030.08318.18
5.6.130.0000.04718.23
5.6.120.0030.04720.99
5.6.110.0070.08721.02
5.6.100.0100.08720.88
5.6.90.0100.08020.96
5.6.80.0100.08020.36
5.5.350.0330.07720.48
5.5.340.0070.04017.99
5.5.330.0000.09320.21
5.5.320.0300.07320.28
5.5.310.0270.07720.30
5.5.300.0100.04318.04
5.5.290.0030.05318.02
5.5.280.0130.06720.79
5.5.270.0070.05320.75
5.5.260.0100.05020.86
5.5.250.0100.07720.58
5.5.240.0100.06020.25
5.4.450.0670.05319.47
5.4.440.0270.04719.24
5.4.430.0170.05319.59
5.4.420.0270.07019.62
5.4.410.0070.05718.95
5.4.400.1500.06318.72
5.4.390.0430.04718.65
5.4.380.0100.05018.50
5.4.370.0030.04318.68
5.4.360.0100.03718.59
5.4.350.0100.03511.97
5.4.340.0050.03511.96
5.4.320.0050.03812.45
5.4.310.0090.03612.45
5.4.300.0060.03712.45
5.4.290.0060.03812.45
5.4.280.0060.03612.34
5.4.270.0040.03812.35
5.4.260.0040.04112.35
5.4.250.0040.04012.35
5.4.240.0050.04512.35
5.4.230.0030.04112.34
5.4.220.0090.04112.34
5.4.210.0070.03712.34
5.4.200.0050.03912.34
5.4.190.0090.03312.33
5.4.180.0070.03612.34
5.4.170.0060.04712.35
5.4.160.0060.03612.34
5.4.150.0040.03812.34
5.4.140.0040.04012.02
5.4.130.0090.03212.01
5.4.120.0070.03611.96
5.4.110.0080.04211.96
5.4.100.0050.03711.96
5.4.90.0070.03711.96
5.4.80.0030.03911.96
5.4.70.0050.03611.96
5.4.60.0040.04311.96
5.4.50.0030.03811.96
5.4.40.0100.04111.95
5.4.30.0080.04211.95
5.4.20.0050.03711.95
5.4.10.0100.03111.95
5.4.00.0060.03611.43
5.3.290.0060.04012.80
5.3.280.0070.03612.71
5.3.270.0040.04312.72
5.3.260.0080.04512.72
5.3.250.0020.04112.71
5.3.240.0090.03412.72
5.3.230.0040.04112.71
5.3.220.0070.03812.68
5.3.210.0030.04212.68
5.3.200.0090.03312.68
5.3.190.0080.03812.67
5.3.180.0090.03712.67
5.3.170.0050.04212.66
5.3.160.0050.03812.67
5.3.150.0050.03812.68
5.3.140.0060.03712.66
5.3.130.0080.03712.66
5.3.120.0050.04012.66
5.3.110.0100.03912.66
5.3.100.0070.03712.12
5.3.90.0040.03812.08
5.3.80.0050.03712.08
5.3.70.0060.04112.08
5.3.60.0120.03512.07
5.3.50.0060.03612.00
5.3.40.0050.03812.00
5.3.30.0050.03611.94
5.3.20.0060.03511.71
5.3.10.0070.03311.69
5.3.00.0090.03411.67
5.2.170.0040.0319.17
5.2.160.0030.0329.18
5.2.150.0050.0309.18
5.2.140.0030.0339.17
5.2.130.0040.0299.13
5.2.120.0030.0299.13
5.2.110.0030.0319.14
5.2.100.0050.0289.14
5.2.90.0030.0309.14
5.2.80.0050.0329.13
5.2.70.0040.0309.13
5.2.60.0040.0319.08
5.2.50.0030.0329.05
5.2.40.0040.0289.03
5.2.30.0050.0299.00
5.2.20.0060.0278.99
5.2.10.0050.0278.92
5.2.00.0040.0338.77
5.1.60.0070.0288.05
5.1.50.0060.0278.05
5.1.40.0070.0328.04
5.1.30.0060.0278.39
5.1.20.0030.0288.41
5.1.10.0040.0268.13
5.1.00.0050.0268.13
5.0.50.0040.0206.61
5.0.40.0030.0206.46
5.0.30.0020.0336.29
5.0.20.0050.0236.25
5.0.10.0020.0226.23
5.0.00.0020.0326.22
4.4.90.0050.0134.78
4.4.80.0050.0134.75
4.4.70.0030.0154.76
4.4.60.0010.0174.76
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0030.0154.75
4.4.20.0030.0154.84
4.4.10.0040.0144.85
4.4.00.0040.0244.75
4.3.110.0030.0154.67
4.3.100.0030.0154.67
4.3.90.0040.0144.63
4.3.80.0010.0264.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0040.0214.63
4.3.40.0020.0324.53
4.3.30.0000.0203.28
4.3.20.0020.0173.25
4.3.10.0030.0143.21
4.3.00.0130.0208.35

preferences:
59.32 ms | 401 KiB | 5 Q