3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = str_repeat('a', 1000000000);

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)
8.3.40.0150.00018.79
8.3.30.0100.00618.42
8.3.20.0000.00921.77
8.3.10.0070.00021.66
8.3.00.0030.00519.43
8.2.170.0040.01122.96
8.2.160.0030.01020.26
8.2.150.0060.00324.18
8.2.140.0030.00624.66
8.2.130.0050.00320.52
8.2.120.0070.00026.35
8.2.110.0000.00922.16
8.2.100.0000.01118.09
8.2.90.0030.00617.63
8.2.80.0000.00818.47
8.2.70.0060.00317.38
8.2.60.0080.00017.38
8.2.50.0030.00617.38
8.2.40.0040.00419.01
8.2.30.0040.00419.04
8.2.20.0000.00717.86
8.2.10.0040.00417.79
8.2.00.0040.00417.90
8.1.270.0040.00420.60
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00023.85
8.1.230.0110.00021.98
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0040.00417.11
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0060.00317.62
8.1.160.0040.00418.70
8.1.150.0030.00320.25
8.1.140.0000.00719.44
8.1.130.0000.00718.75
8.1.120.0000.00717.21
8.1.110.0040.00417.22
8.1.100.0000.00717.22
8.1.90.0000.00817.21
8.1.80.0000.00717.37
8.1.70.0000.00817.21
8.1.60.0040.00417.42
8.1.50.0000.00817.38
8.1.40.0060.00317.41
8.1.30.0040.00417.34
8.1.20.0040.00417.48
8.1.10.0050.00317.27
8.1.00.0040.00417.34
8.0.300.0000.00719.63
8.0.290.0040.00416.58
8.0.280.0050.00218.21
8.0.270.0060.00316.75
8.0.260.0030.00318.79
8.0.250.0030.00316.78
8.0.240.0000.00716.79
8.0.230.0040.00416.88
8.0.220.0040.00416.78
8.0.210.0000.00716.82
8.0.200.0000.00616.77
8.0.190.0050.00316.79
8.0.180.0080.00016.80
8.0.170.0040.00416.83
8.0.160.0070.00016.75
8.0.150.0040.00416.64
8.0.140.0080.00016.78
8.0.130.0060.00013.17
8.0.120.0040.00416.85
8.0.110.0000.00716.64
8.0.100.0040.00416.79
8.0.90.0000.00716.77
8.0.80.0050.01016.81
8.0.70.0040.00416.69
8.0.60.0040.00416.84
8.0.50.0000.00816.80
8.0.30.0070.01017.00
8.0.20.0080.01117.40
8.0.10.0030.00416.97
8.0.00.0000.01716.67
7.4.330.0020.00215.55
7.4.320.0030.00316.38
7.4.300.0030.00316.35
7.4.290.0060.00016.31
7.4.280.0000.00816.50
7.4.270.0000.00716.42
7.4.260.0030.00716.34
7.4.250.0090.00016.34
7.4.240.0070.00016.38
7.4.230.0070.00016.20
7.4.220.0060.01616.38
7.4.210.0070.00716.48
7.4.200.0030.00316.27
7.4.160.0130.00916.47
7.4.150.0190.00017.40
7.4.140.0140.00817.86
7.4.130.0120.00816.45
7.4.120.0080.01116.43
7.4.110.0100.00716.37
7.4.100.0070.01016.23
7.4.90.0120.00616.23
7.4.80.0130.00719.39
7.4.70.0110.00716.07
7.4.60.0030.01316.29
7.4.50.0090.00616.38
7.4.40.0000.01816.45
7.4.30.0100.01016.29
7.4.00.0130.00314.95
7.3.330.0030.00312.99
7.3.320.0000.00513.02
7.3.310.0020.00516.03
7.3.300.0030.00316.24
7.3.290.0110.00516.20
7.3.280.0080.00816.21
7.3.270.0140.00317.40
7.3.260.0070.01016.21
7.3.250.0090.00916.20
7.3.240.0110.00816.27
7.3.230.0110.01116.36
7.3.210.0110.00616.20
7.3.200.0080.00816.20
7.3.190.0080.00816.16
7.3.180.0120.00616.29
7.3.170.0070.01316.39
7.3.160.0110.01016.39
7.2.330.0070.01016.29
7.2.320.0110.00616.37
7.2.310.0070.01416.48
7.2.300.0140.00416.32
7.2.290.0100.00516.25
7.2.60.0030.01016.65
7.2.00.0040.00819.19
7.1.200.0000.00615.67
7.1.70.0000.01516.81
7.1.60.0230.01033.18
7.1.50.0130.02333.03
7.1.40.1400.01032.54
7.1.30.0200.01032.58
7.1.20.1300.01032.64
7.1.10.0900.01714.55
7.1.00.0670.01314.88
7.0.200.0030.01314.45
7.0.190.0130.00014.82
7.0.180.1570.01314.37
7.0.170.1100.01014.17
7.0.160.0130.01014.42
7.0.150.0700.01314.19
7.0.140.0830.00714.43
7.0.130.0800.01314.57
7.0.120.0830.01014.53
7.0.110.0770.00314.35
7.0.100.0770.01314.34
7.0.90.0870.00714.39
7.0.80.0930.00714.31
7.0.70.0570.01314.36
7.0.60.0570.00013.94
7.0.50.0700.00714.38
7.0.40.0530.00714.50
7.0.30.1870.01014.30
7.0.20.0670.01714.69
7.0.10.0700.00714.23
7.0.00.0730.01014.51
5.6.300.0130.07320.98
5.6.290.0070.06720.71
5.6.280.0170.07720.75
5.6.270.0030.07320.75
5.6.260.0130.07320.86
5.6.250.0070.07320.97
5.6.240.0230.08020.81
5.6.230.0070.07020.92
5.6.220.0170.06320.79
5.6.210.0270.04720.94
5.6.200.0230.06720.90
5.6.190.0070.07020.66
5.6.180.0030.06720.90
5.6.170.0030.07320.69
5.6.160.0130.09020.74
5.6.150.0170.09020.86
5.6.140.0170.06720.89
5.6.130.0170.06020.89
5.6.120.0130.07720.68
5.6.110.0100.06320.86
5.6.100.0200.07720.90
5.6.90.0200.06720.89
5.6.80.0170.04720.20
5.6.70.0070.06020.05
5.6.60.0070.06020.30
5.6.50.0070.05720.35
5.6.40.0100.07720.29
5.6.30.0000.08720.07
5.6.20.0130.08020.32
5.6.10.0100.07020.28
5.6.00.0230.05320.04
5.5.380.0170.07717.44
5.5.370.0130.06317.57
5.5.360.0030.07017.43
5.5.350.0070.06317.40
5.5.340.0100.07317.97
5.5.330.0130.05717.93
5.5.320.0170.05317.91
5.5.310.0170.07317.99
5.5.300.0230.07317.88
5.5.290.0200.06317.96
5.5.280.0100.07017.99
5.5.270.0100.06017.89
5.5.260.0000.07017.87
5.5.250.0100.07717.77
5.5.240.0200.04717.10
5.5.230.0200.05317.25
5.5.220.0130.07317.33
5.5.210.0030.05717.08
5.5.200.0130.05317.33
5.5.190.0130.06317.12
5.5.180.0070.08317.13
5.5.160.0030.07317.30
5.5.150.0100.05317.28
5.5.140.0030.08317.12
5.5.130.0130.07317.22
5.5.120.0130.05317.03
5.5.110.0200.04017.05
5.5.100.0070.08017.19
5.5.90.0130.05017.18
5.5.80.0030.06317.15
5.5.70.0170.07017.20
5.5.60.0030.06016.98
5.5.50.0170.04717.21
5.5.40.0100.06717.21
5.5.30.0200.06017.04
5.5.20.0130.06017.01
5.5.10.0270.06016.94
5.5.00.0100.08716.97
5.4.450.0170.06319.36
5.4.440.0170.06019.12
5.4.430.0130.07719.32
5.4.420.0100.05719.11
5.4.410.0170.05019.13
5.4.400.0130.06318.80
5.4.390.0130.07018.98
5.4.380.0070.05718.91
5.4.370.0200.05018.98
5.4.360.0130.05318.92
5.4.350.0170.04318.79
5.4.340.0100.05718.80
5.4.320.0030.06318.98
5.4.310.0170.04319.08
5.4.300.0070.06319.00
5.4.290.0100.05318.87
5.4.280.0030.06019.03
5.4.270.0100.06019.01
5.4.260.0030.06018.83
5.4.250.0070.06019.16
5.4.240.0100.07718.84
5.4.230.0100.05719.07
5.4.220.0070.05719.07
5.4.210.0070.06718.78
5.4.200.0170.07019.07
5.4.190.0100.05319.02
5.4.180.0100.08019.07
5.4.170.0230.07319.00
5.4.160.0170.04718.94
5.4.150.0100.05719.05
5.4.140.0130.06016.28
5.4.130.0130.06716.47
5.4.120.0130.05316.26
5.4.110.0230.04316.59
5.4.100.0100.05316.51
5.4.90.0070.05716.30
5.4.80.0000.05716.57
5.4.70.0030.05716.48
5.4.60.0100.06016.51
5.4.50.0000.06016.48
5.4.40.0070.05016.54
5.4.30.0070.05716.59
5.4.20.0070.05316.48
5.4.10.0070.05316.32
5.4.00.0100.05715.95
5.3.290.0100.06314.65
5.3.280.0100.06314.65
5.3.270.0100.07714.75
5.3.260.0070.05714.55
5.3.250.0170.05014.75
5.3.240.0070.05314.75
5.3.230.0030.06314.68
5.3.220.0100.06014.63
5.3.210.0130.05714.63
5.3.200.0030.07014.67
5.3.190.0130.04714.55
5.3.180.0130.06314.64
5.3.170.0030.05714.52
5.3.160.0130.05714.35
5.3.150.0070.07014.73
5.3.140.0070.05714.54
5.3.130.0170.05714.33
5.3.120.0130.05314.60
5.3.110.0070.05014.73
5.3.100.0200.06313.84
5.3.90.0100.05014.18
5.3.80.0070.05314.00
5.3.70.0130.06314.09
5.3.60.0100.05014.07
5.3.50.0100.04713.87
5.3.40.0200.05014.00
5.3.30.0070.06313.96
5.3.20.0030.06713.49
5.3.10.0100.06713.63
5.3.00.0030.07313.63
5.2.170.0100.05711.38
5.2.160.0030.07011.15
5.2.150.0070.05011.25
5.2.140.0070.05011.27
5.2.130.0100.04011.23
5.2.120.0130.04011.09
5.2.110.0070.04711.25
5.2.100.0200.02711.31
5.2.90.0030.04011.22
5.2.80.0070.04011.23
5.2.70.0100.04011.07
5.2.60.0100.04311.17
5.2.50.0070.06011.06
5.2.40.0130.04711.12
5.2.30.0030.05311.07
5.2.20.0000.06011.14
5.2.10.0200.03311.05
5.2.00.0070.05710.86
5.1.60.0070.04710.18
5.1.50.0130.0339.91
5.1.40.0100.03010.21
5.1.30.0100.04010.31
5.1.20.0100.05010.33
5.1.10.0070.04310.20
5.1.00.0100.04310.09
5.0.50.0130.0278.58
5.0.40.0100.0208.39
5.0.30.0030.0508.30
5.0.20.0030.0338.41
5.0.10.0030.0338.26
5.0.00.0000.0438.07
4.4.90.0100.0277.32
4.4.80.0030.0207.32
4.4.70.0000.0307.32
4.4.60.0030.0277.32
4.4.50.0000.0277.32
4.4.40.0070.0437.32
4.4.30.0000.0237.32
4.4.20.0070.0237.32
4.4.10.0070.0177.32
4.4.00.0070.0377.32
4.3.110.0070.0237.32
4.3.100.0070.0237.32
4.3.90.0070.0237.32
4.3.80.0070.0407.32
4.3.70.0030.0337.32
4.3.60.0070.0177.32
4.3.50.0000.0337.32
4.3.40.0030.0407.32
4.3.30.0030.0207.32
4.3.20.0030.0207.32
4.3.10.0030.0207.32
4.3.00.0030.0207.32

preferences:
136.95 ms | 400 KiB | 5 Q