3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3,4,5]; $a5 = 2233; echo "${'a'.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)
8.3.40.0110.00418.59
8.3.30.0080.00518.96
8.3.20.0040.00420.29
8.3.10.0040.00423.66
8.3.00.0030.00619.25
8.2.170.0070.00722.96
8.2.160.0100.00322.14
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00820.88
8.2.110.0100.00020.57
8.2.100.0060.00618.03
8.2.90.0000.00719.23
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0080.00017.91
8.2.50.0030.00618.07
8.2.40.0040.00418.03
8.2.30.0040.00417.98
8.2.20.0050.00217.58
8.2.10.0070.00018.03
8.2.00.0000.00717.66
8.1.270.0030.00623.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0100.00023.64
8.1.230.0040.00719.10
8.1.220.0000.00717.74
8.1.210.0000.00918.77
8.1.200.0000.00917.13
8.1.190.0030.00517.10
8.1.180.0000.00718.10
8.1.170.0050.00518.41
8.1.160.0030.00322.02
8.1.150.0000.00818.79
8.1.140.0030.00617.44
8.1.130.0000.00717.77
8.1.120.0000.00717.46
8.1.110.0040.00417.45
8.1.100.0000.00817.49
8.1.90.0000.01117.36
8.1.80.0000.00817.45
8.1.70.0000.00717.40
8.1.60.0080.00017.43
8.1.50.0000.00817.47
8.1.40.0000.00717.49
8.1.30.0040.00417.72
8.1.20.0000.00717.68
8.1.10.0000.00717.56
8.1.00.0060.00617.41
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.43
8.0.270.0070.00017.26
8.0.260.0060.00017.17
8.0.250.0030.00316.91
8.0.240.0050.00216.96
8.0.230.0040.00416.93
8.0.220.0000.00916.87
8.0.210.0030.00316.90
8.0.200.0040.00416.85
8.0.190.0040.00416.92
8.0.180.0050.00216.93
8.0.170.0080.00016.94
8.0.160.0040.00416.93
8.0.150.0060.00316.83
8.0.140.0000.00816.86
8.0.130.0060.00013.31
8.0.120.0000.00716.77
8.0.110.0050.00216.89
8.0.100.0050.00216.67
8.0.90.0040.00416.78
8.0.80.0040.01116.82
8.0.70.0040.00416.70
8.0.60.0000.00716.70
8.0.50.0000.00716.90
8.0.30.0080.01217.17
8.0.20.0090.00917.44
8.0.10.0040.00417.01
8.0.00.0090.00916.75
7.4.330.0000.00715.00
7.4.320.0030.00316.51
7.4.300.0060.00316.47
7.4.290.0040.00416.49
7.4.280.0040.00316.50
7.4.270.0040.00416.36
7.4.260.0030.00316.62
7.4.250.0040.00416.52
7.4.240.0040.00416.54
7.4.230.0000.00616.57
7.4.220.0110.00716.57
7.4.210.0030.01516.70
7.4.200.0020.00516.38
7.4.160.0040.01316.45
7.4.150.0040.01417.40
7.4.140.0080.01017.86
7.4.130.0090.00916.47
7.4.120.0080.00916.48
7.4.110.0030.01316.43
7.4.100.0100.00716.50
7.4.90.0220.00316.59
7.4.80.0100.01319.39
7.4.70.0070.01016.35
7.4.60.0090.00916.36
7.4.50.0050.00016.54
7.4.40.0130.00316.45
7.4.30.0100.00616.30
7.4.00.0120.00015.02
7.3.330.0060.00013.14
7.3.320.0000.00513.19
7.3.310.0030.00316.37
7.3.300.0030.00316.20
7.3.290.0070.00916.31
7.3.280.0040.01116.23
7.3.270.0070.01017.40
7.3.260.0130.00316.56
7.3.250.0050.01316.38
7.3.240.0130.00416.35
7.3.230.0100.00716.39
7.3.210.0060.01016.37
7.3.200.0100.00719.39
7.3.190.0120.00616.38
7.3.180.0060.00916.26
7.3.170.0090.00616.29
7.3.160.0090.00916.54
7.2.330.0110.00616.48
7.2.320.0060.01016.71
7.2.310.0000.02416.75
7.2.300.0070.01016.39
7.2.290.0040.01816.56
7.2.00.0030.00919.15
7.1.100.0000.01217.75
7.1.70.0000.00717.14
7.1.60.0130.00719.40
7.1.50.0070.01716.54
7.1.00.0030.07722.40
7.0.200.0070.00716.78
7.0.140.0000.07722.18
7.0.60.0100.08019.94
7.0.50.0030.05717.66
7.0.40.0100.06320.06
7.0.30.0530.07020.13
7.0.20.0270.07720.17
7.0.10.0230.06020.00
7.0.00.0100.03720.09
5.6.280.0030.07321.13
5.6.210.0100.08320.67
5.6.200.0070.08018.16
5.6.190.0170.08020.48
5.6.180.3970.04320.27
5.6.170.0200.07020.51
5.6.160.0170.07320.38
5.6.150.0000.04018.11
5.6.140.0030.05718.16
5.6.130.0130.03018.21
5.6.120.0130.06721.14
5.6.110.0070.08021.13
5.6.100.0130.07020.97
5.6.90.0100.04720.88
5.6.80.0070.03720.53
5.6.70.0300.07320.41
5.5.350.0330.06720.46
5.5.340.0000.04717.97
5.5.330.0100.08720.06
5.5.320.0430.04020.18
5.5.310.0270.08020.28
5.5.300.0070.08017.98
5.5.290.0130.04317.91
5.5.280.0170.07320.64
5.5.270.0130.04320.76
5.5.260.0000.04320.79
5.5.250.0070.03720.61
5.5.240.3870.02720.18
5.4.450.0830.05719.48
5.4.440.0730.05719.52
5.4.430.0830.05319.55
5.4.420.0100.05319.14
5.4.410.0600.05719.41
5.4.400.0670.05719.16
5.4.390.0000.06319.19
5.4.380.0130.05018.72
5.4.370.0070.04018.45
5.4.360.0100.04718.77
5.4.350.0120.04311.98
5.4.340.0060.04911.97
5.4.320.0080.04012.46
5.4.310.0110.04112.45
5.4.300.0130.04712.46
5.4.290.0140.06112.45
5.4.280.0090.04612.35
5.4.270.0040.03912.35
5.4.260.0080.04012.35
5.4.250.0040.05812.35
5.4.240.0130.04512.35
5.4.230.0110.05012.34
5.4.220.0140.05412.34
5.4.210.0090.03912.34
5.4.200.0070.04612.34
5.4.190.0070.04412.34
5.4.180.0100.04212.34
5.4.170.0060.04412.35
5.4.160.0110.05112.34
5.4.150.0130.05012.34
5.4.140.0090.05412.02
5.4.130.0070.03912.02
5.4.120.0110.04411.97
5.4.110.0110.03911.96
5.4.100.0040.04811.97
5.4.90.0070.04911.96
5.4.80.0090.06311.96
5.4.70.0090.04411.96
5.4.60.0100.04211.96
5.4.50.0080.04011.96
5.4.40.0060.04311.95
5.4.30.0050.03911.95
5.4.20.0060.03711.95
5.4.10.0100.03211.95
5.4.00.0120.05111.44
5.3.290.0070.04012.80
5.3.280.0110.06612.70
5.3.270.0130.04412.72
5.3.260.0120.04012.72
5.3.250.0070.07112.71
5.3.240.0060.04312.72
5.3.230.0060.04112.71
5.3.220.0070.03912.68
5.3.210.0100.04212.68
5.3.200.0050.04312.68
5.3.190.0050.04312.68
5.3.180.0100.06412.68
5.3.170.0100.05112.66
5.3.160.0070.05312.67
5.3.150.0050.05712.67
5.3.140.0170.04312.66
5.3.130.0100.04012.66
5.3.120.0070.04012.66
5.3.110.0090.05712.66
5.3.100.0090.04412.12
5.3.90.0080.04912.08
5.3.80.0150.03412.07
5.3.70.0090.04812.07
5.3.60.0060.05112.06
5.3.50.0110.04512.00
5.3.40.0060.03612.00
5.3.30.0060.03811.95
5.3.20.0050.04211.73
5.3.10.0100.03811.70
5.3.00.0100.03511.68
5.2.170.0050.0329.18
5.2.160.0050.0399.18
5.2.150.0090.0369.18
5.2.140.0110.0569.18
5.2.130.0060.0419.14
5.2.120.0040.0409.14
5.2.110.0070.0379.14
5.2.100.0090.0369.14
5.2.90.0060.0399.14
5.2.80.0040.0439.14
5.2.70.0080.0429.14
5.2.60.0070.0469.09
5.2.50.0020.0439.05
5.2.40.0080.0299.04
5.2.30.0110.0269.01
5.2.20.0040.0329.00
5.2.10.0050.0308.92
5.2.00.0050.0318.78
5.1.60.0040.0368.07
5.1.50.0050.0348.06
5.1.40.0060.0338.05
5.1.30.0080.0398.40
5.1.20.0100.0358.41
5.1.10.0100.0388.14
5.1.00.0120.0698.14
5.0.50.0190.0686.62
5.0.40.0140.0346.48
5.0.30.0150.0646.29
5.0.20.0090.0436.26
5.0.10.0060.0466.24
5.0.00.0080.0306.23
4.4.90.0050.0154.78
4.4.80.0050.0164.75
4.4.70.0030.0174.75
4.4.60.0060.0654.75
4.4.50.0080.0354.77
4.4.40.0120.0604.71
4.4.30.0040.0224.76
4.4.20.0020.0424.84
4.4.10.0040.0184.85
4.4.00.0050.0274.76
4.3.110.0030.0284.67
4.3.100.0060.0164.66
4.3.90.0020.0204.63
4.3.80.0090.0604.58
4.3.70.0060.0134.63
4.3.60.0050.0144.63
4.3.50.0020.0184.63
4.3.40.0080.0374.54
4.3.30.0030.0193.29
4.3.20.0020.0203.26
4.3.10.0010.0173.21
4.3.00.0070.0177.08

preferences:
42.23 ms | 400 KiB | 5 Q