3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = str_repeat('a', 1024 * 1024); echo strlen($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)
8.5.30.0120.00718.22
8.5.20.0140.00820.70
8.5.10.0120.00617.66
8.5.00.0170.00920.86
8.4.180.0130.01020.60
8.4.170.0140.00824.97
8.4.160.0170.00824.55
8.4.150.0090.00417.33
8.4.140.0130.01018.50
8.4.130.0140.00718.78
8.4.120.0160.00621.56
8.4.110.0130.00823.39
8.4.100.0070.00818.66
8.4.90.0120.00919.43
8.4.80.0060.00719.42
8.4.70.0080.00818.68
8.4.60.0100.01119.45
8.4.50.0140.00719.46
8.4.40.0120.00418.40
8.4.30.0120.00620.26
8.4.20.0100.01018.69
8.4.10.0040.00422.32
8.3.300.0090.01121.15
8.3.290.0130.00721.64
8.3.280.0170.00519.22
8.3.270.0110.01017.40
8.3.260.0040.00517.61
8.3.250.0130.00819.70
8.3.240.0100.01017.47
8.3.230.0040.00517.57
8.3.220.0080.00718.90
8.3.210.0110.00917.44
8.3.200.0050.00517.63
8.3.190.0050.00519.55
8.3.180.0090.00717.30
8.3.170.0070.01120.49
8.3.160.0080.00718.37
8.3.150.0080.00820.59
8.3.140.0100.01017.53
8.3.130.0040.00717.58
8.3.120.0090.00019.80
8.3.110.0050.00320.94
8.3.100.0170.00324.06
8.3.90.0130.00326.77
8.3.80.0090.00317.50
8.3.70.0130.00317.38
8.3.60.0080.00818.41
8.3.50.0150.00324.17
8.3.40.0160.00619.60
8.3.30.0060.00919.57
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.300.0140.00719.77
8.2.290.0080.00722.46
8.2.280.0050.00420.27
8.2.270.0130.00618.09
8.2.260.0030.00619.85
8.2.250.0090.00017.75
8.2.240.0080.00018.68
8.2.230.0100.00722.58
8.2.220.0060.00337.54
8.2.210.0130.01026.77
8.2.200.0030.00717.38
8.2.190.0090.01217.50
8.2.180.0140.00725.92
8.2.170.0160.00619.89
8.2.160.0040.01122.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00426.35
8.2.110.0070.00320.18
8.2.100.0060.00618.91
8.2.90.0030.00719.16
8.2.80.0050.00319.03
8.2.70.0030.00618.68
8.2.60.0040.00419.16
8.2.50.0030.00518.63
8.2.40.0080.00020.47
8.2.30.0030.00520.25
8.2.20.0000.00818.93
8.2.10.0000.00820.05
8.2.00.0040.00420.21
8.1.340.0120.00920.70
8.1.330.0150.00423.04
8.1.320.0130.00717.26
8.1.310.0060.00317.84
8.1.300.0030.00617.25
8.1.290.0030.00618.88
8.1.280.0090.00625.92
8.1.270.0060.00323.99
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00718.33
8.1.230.0090.00321.81
8.1.220.0030.00618.66
8.1.210.0060.00319.91
8.1.200.0030.00618.22
8.1.190.0060.00318.00
8.1.180.0040.00418.41
8.1.170.0030.00619.61
8.1.160.0090.00019.93
8.1.150.0040.00419.82
8.1.140.0040.00419.86
8.1.130.0070.00021.07
8.1.120.0030.00618.35
8.1.110.0030.00518.43
8.1.100.0040.00418.38
8.1.90.0040.00418.43
8.1.80.0030.00518.34
8.1.70.0000.00718.41
8.1.60.0040.00418.52
8.1.50.0000.00818.30
8.1.40.0040.00418.44
8.1.30.0050.00318.62
8.1.20.0050.00518.41
8.1.10.0040.00418.36
8.1.00.0060.00618.32
8.0.300.0080.00020.65
8.0.290.0060.00317.63
8.0.280.0040.00419.49
8.0.270.0000.00817.87
8.0.260.0030.00319.46
8.0.250.0040.00417.96
8.0.240.0040.00417.96
8.0.230.0050.00217.81
8.0.220.0000.00817.73
8.0.210.0000.00717.68
8.0.200.0040.00417.83
8.0.190.0000.00817.79
8.0.180.0000.00717.86
8.0.170.0030.00617.82
8.0.160.0030.00517.87
8.0.150.0080.00017.80
8.0.140.0040.00417.64
8.0.130.0060.00014.29
8.0.120.0030.00617.69
8.0.110.0040.00417.77
8.0.100.0000.00817.69
8.0.90.0050.00217.77
8.0.80.0050.01517.72
8.0.70.0040.00417.82
8.0.60.0080.00017.93
8.0.50.0040.00417.61
8.0.30.0090.00918.25
8.0.20.0120.00717.95
8.0.10.0070.00017.93
8.0.00.0110.01117.84
7.4.330.0050.00015.55
7.4.320.0040.00417.44
7.4.300.0040.00417.46
7.4.290.0080.00017.46
7.4.280.0060.00317.52
7.4.270.0040.00417.50
7.4.260.0060.00014.27
7.4.250.0040.00417.54
7.4.240.0000.00717.46
7.4.230.0050.00317.34
7.4.220.0020.00517.29
7.4.210.0100.00617.44
7.4.200.0000.00817.32
7.4.130.0060.01217.55
7.4.120.0090.01217.39
7.4.110.0100.01017.34
7.4.100.0070.01017.37
7.4.90.0150.00917.59
7.4.80.0090.01317.54
7.4.70.0120.00617.38
7.4.60.0090.01217.51
7.4.50.0040.01817.08
7.4.40.0150.00917.29
7.4.30.0140.00917.33
7.4.20.0080.01117.54
7.4.10.0150.00917.48
7.4.00.0000.01817.59
7.3.330.0000.00717.33
7.3.320.0000.00613.93
7.3.310.0050.00217.28
7.3.300.0040.00517.04
7.3.290.0090.00817.22
7.3.260.0120.00917.27
7.3.230.0110.00717.41
7.3.210.0160.00417.52
7.3.200.0140.00717.47
7.3.190.0160.00817.34
7.3.180.0070.01717.24
7.3.170.0140.00717.42
7.3.160.0080.01017.39
7.3.150.0130.00917.32
7.3.140.0070.01417.09
7.3.130.0150.00717.16
7.3.120.0150.00617.21
7.3.110.0060.01417.45
7.3.100.0110.01117.47
7.3.90.0170.00017.18
7.3.80.0030.01317.70
7.3.70.0140.00517.18
7.3.60.0110.00617.29
7.3.50.0120.00617.30
7.3.40.0070.01017.29
7.3.30.0100.01017.34
7.3.20.0090.01217.27
7.3.10.0070.01117.34
7.3.00.0160.00417.37
7.2.330.0130.00717.55
7.2.320.0150.00617.53
7.2.310.0120.01217.61
7.2.300.0110.00817.72
7.2.290.0090.01017.66
7.2.280.0180.00017.61
7.2.270.0080.01717.41
7.2.260.0110.01117.64
7.2.250.0080.01217.68
7.2.240.0190.00017.28
7.2.230.0170.00717.61
7.2.220.0140.00317.25
7.2.210.0130.00417.59
7.2.200.0090.00917.52
7.2.190.0110.00717.31
7.2.180.0110.00717.44
7.2.170.0130.00817.39
7.2.160.0070.01217.52
7.2.150.0090.00917.61
7.2.140.0070.01417.51
7.2.130.0090.00917.50
7.2.120.0350.01217.54
7.2.110.0080.01117.46
7.2.100.0040.01817.45
7.2.90.0140.00417.54
7.2.80.0120.00917.55
7.2.70.0080.01117.71
7.2.60.0140.00617.60
7.2.50.0110.00817.37
7.2.40.0110.00817.52
7.2.30.0040.01517.35
7.2.20.0140.00517.46
7.2.10.0060.01217.47
7.2.00.0110.00817.44

preferences:
47.62 ms | 1467 KiB | 5 Q