3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $x = 63; for ($x = 0; $x < 10000; $x++) { // $a[] = substr($x, 0, 1); // $a[] = substr($x, 1, 1); $x_arr = str_split($x); $a[] = $x_arr[0]; $a[] = $x_arr[1]; } echo count($a);

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)
8.3.60.0130.00618.64
8.3.50.0130.00317.79
8.3.40.0180.00620.22
8.3.30.0100.00719.92
8.3.20.0060.00322.86
8.3.10.0050.00523.45
8.3.00.0030.00623.61
8.2.180.0150.00618.50
8.2.170.0150.00622.96
8.2.160.0150.00321.47
8.2.150.0030.00624.18
8.2.140.0000.01024.66
8.2.130.0060.00319.64
8.2.120.0090.00026.35
8.2.110.0060.00622.14
8.2.100.0100.00318.78
8.2.90.0070.00318.88
8.2.80.0050.00518.75
8.2.70.0040.00719.17
8.2.60.0030.00719.41
8.2.50.0050.00518.75
8.2.40.0070.00720.46
8.2.30.0060.00320.46
8.2.20.0070.00319.81
8.2.10.0000.00920.46
8.2.00.0090.00020.47
8.1.280.0180.00725.92
8.1.270.0030.00624.64
8.1.260.0090.00026.35
8.1.250.0030.00628.09
8.1.240.0030.00724.66
8.1.230.0060.00919.33
8.1.220.0030.00719.28
8.1.210.0000.01018.77
8.1.200.0070.00418.98
8.1.190.0000.01121.69
8.1.180.0060.00319.03
8.1.170.0000.01020.34
8.1.160.0030.00620.30
8.1.150.0030.00620.21
8.1.140.0000.00925.34
8.1.130.0000.01021.59
8.1.120.0060.00318.87
8.1.110.0030.00619.04
8.1.100.0060.00318.96
8.1.90.0060.00318.97
8.1.80.0080.00319.03
8.1.70.0060.00318.98
8.1.60.0070.00318.99
8.1.50.0000.01219.05
8.1.40.0030.00718.99
8.1.30.0000.01119.14
8.1.20.0050.00519.13
8.1.10.0030.00719.12
8.1.00.0100.00019.07
8.0.300.0050.00523.35
8.0.290.0030.00718.25
8.0.280.0040.00419.82
8.0.270.0040.00418.55
8.0.260.0030.00619.75
8.0.250.0040.00818.34
8.0.240.0070.00318.43
8.0.230.0030.00618.41
8.0.220.0070.00318.33
8.0.210.0060.00318.24
8.0.200.0030.00618.34
8.0.190.0040.00718.38
8.0.180.0030.00718.35
8.0.170.0070.00418.33
8.0.160.0030.00618.29
8.0.150.0040.00718.13
8.0.140.0060.00318.20
8.0.130.0040.00714.85
8.0.120.0030.00618.22
8.0.110.0030.00618.26
8.0.100.0030.00618.34
8.0.90.0030.00618.36
8.0.80.0310.01218.29
8.0.70.0030.00718.18
8.0.60.0030.00618.13
8.0.50.0030.00618.15
8.0.30.0140.01018.50
8.0.20.0140.01018.32
8.0.10.0000.01018.25
8.0.00.0120.01118.26
7.4.330.0000.00816.90
7.4.320.0030.00617.92
7.4.300.0070.00317.83
7.4.290.0050.00517.74
7.4.280.0000.01017.94
7.4.270.0000.00917.82
7.4.260.0000.00917.92
7.4.250.0030.00717.91
7.4.240.0000.01117.86
7.4.230.0070.00317.77
7.4.220.0000.01017.96
7.4.210.0020.01617.90
7.4.200.0060.00317.82
7.4.160.0100.01317.99
7.4.140.0140.01017.92
7.4.130.0190.01217.78
7.4.120.0030.02718.07
7.4.110.0150.00717.85
7.4.100.0100.01517.82
7.4.90.0150.01117.84
7.4.80.0120.01519.39
7.4.70.0110.01517.84
7.4.60.0130.01618.01
7.4.50.0070.01317.79
7.4.40.0110.01117.90
7.4.00.0120.00616.09
7.3.330.0000.00714.80
7.3.320.0000.00914.78
7.3.310.0030.00717.78
7.3.300.0000.00917.82
7.3.290.0000.00917.75
7.3.280.0130.00817.73
7.3.260.0110.01217.80
7.3.240.0110.01117.82
7.3.230.0120.00917.89
7.3.210.0140.00717.86
7.3.200.0000.02117.87
7.3.190.0100.02017.90
7.3.180.0070.01817.76
7.3.170.0220.00717.91
7.3.160.0070.01418.04
7.3.120.0030.01716.31
7.3.110.0060.01516.14
7.3.100.0040.01816.30
7.3.90.0060.01616.48
7.3.80.0090.01216.36
7.3.70.0040.01916.20
7.3.60.0070.01116.25
7.3.50.0100.00616.49
7.3.40.0090.00916.29
7.3.30.0000.01816.16
7.3.20.0040.01418.56
7.3.10.0100.00718.20
7.3.00.2330.01117.22
7.2.330.0130.01317.84
7.2.320.0150.01218.07
7.2.310.0030.02018.18
7.2.300.0030.01918.04
7.2.290.0000.02017.92
7.2.240.0050.01716.18
7.2.230.0070.01416.29
7.2.220.0000.01716.16
7.2.210.0090.00916.48
7.2.200.0090.00616.10
7.2.190.0110.01116.38
7.2.180.0120.00616.39
7.2.170.0110.00416.30
7.2.160.0070.01516.62
7.2.150.0040.01818.52
7.2.140.0070.00718.83
7.2.130.3890.01217.30
7.2.120.2840.01117.39
7.2.110.2810.01317.24
7.2.100.2520.01017.33
7.2.90.2540.01217.46
7.2.80.1340.00817.34
7.2.70.1760.01217.51
7.2.60.1710.01217.50
7.2.50.1790.01517.43
7.2.40.1970.01417.45
7.2.30.2280.01717.50
7.2.20.2280.01417.53
7.2.10.2460.01617.52
7.2.00.2470.01217.49
7.1.330.0070.01417.93
7.1.320.0100.01717.60
7.1.310.0000.01617.77
7.1.300.0030.01617.53
7.1.290.0070.01117.91
7.1.280.0040.01217.48
7.1.270.0100.01017.72
7.1.260.0070.00717.42
7.1.250.3720.01216.51
7.0.330.3720.01015.61
5.6.380.0170.01317.61

preferences:
59.72 ms | 400 KiB | 5 Q