3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(0=>"kwan",1=>"dear"); array_unshift($a,"kwandear"); print_r($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)
8.3.70.0060.00918.18
8.3.60.0070.00718.30
8.3.50.0110.01021.99
8.3.40.0060.00818.59
8.3.30.0070.00718.96
8.3.20.0040.00420.29
8.3.10.0080.00020.54
8.3.00.0070.00319.02
8.2.180.0110.00416.50
8.2.170.0070.00722.96
8.2.160.0100.00320.57
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00722.18
8.2.110.0110.00022.11
8.2.100.0090.00319.21
8.2.90.0040.00419.09
8.2.80.0080.00017.97
8.2.70.0030.00617.48
8.2.60.0050.00517.79
8.2.50.0040.00418.07
8.2.40.0040.00818.09
8.2.30.0070.00019.42
8.2.20.0000.00817.49
8.2.10.0040.00417.85
8.2.00.0050.00217.49
8.1.280.0100.00725.92
8.1.270.0040.00423.82
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0090.00023.75
8.1.230.0040.00819.15
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0030.00617.10
8.1.190.0040.00417.00
8.1.180.0030.00618.10
8.1.170.0040.00418.61
8.1.160.0030.00321.82
8.1.150.0040.00418.80
8.1.140.0070.00017.43
8.1.130.0000.00717.87
8.1.120.0000.00717.41
8.1.110.0050.00217.39
8.1.100.0070.00017.42
8.1.90.0030.00317.28
8.1.80.0070.00017.29
8.1.70.0000.00817.29
8.1.60.0000.00817.41
8.1.50.0050.00317.45
8.1.40.0040.00417.46
8.1.30.0030.00517.61
8.1.20.0000.00717.63
8.1.10.0030.00617.41
8.1.00.0000.00717.40
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.39
8.0.270.0000.00717.09
8.0.260.0000.00717.10
8.0.250.0030.00316.93
8.0.240.0100.00016.88
8.0.230.0000.00716.95
8.0.220.0030.00416.75
8.0.210.0040.00416.82
8.0.200.0040.00416.93
8.0.190.0040.00416.91
8.0.180.0070.00016.90
8.0.170.0050.00316.84
8.0.160.0000.00716.86
8.0.150.0030.00316.77
8.0.140.0070.00016.81
8.0.130.0030.00313.23
8.0.120.0000.00816.85
8.0.110.0050.00316.77
8.0.100.0000.00816.66
8.0.90.0080.00016.72
8.0.80.0130.00816.88
8.0.70.0090.00016.86
8.0.60.0020.00516.79
8.0.50.0000.00816.68
8.0.30.0100.00917.21
8.0.20.0150.00317.40
8.0.10.0000.00716.83
8.0.00.0090.00916.61
7.4.330.0020.00215.00
7.4.320.0060.00016.43
7.4.300.0030.00316.57
7.4.290.0070.00016.54
7.4.280.0030.00616.52
7.4.270.0040.00416.40
7.4.260.0030.00616.53
7.4.250.0040.00416.32
7.4.240.0030.00316.43
7.4.230.0030.00316.24
7.4.220.0110.01316.45
7.4.210.0080.00516.50
7.4.200.0070.00016.56
7.4.160.0120.00416.34
7.4.150.0110.00717.40
7.4.140.0100.00817.86
7.4.130.0090.01016.29
7.4.120.0070.01016.43
7.4.110.0070.01116.61
7.4.100.0060.01516.32
7.4.90.0110.00616.31
7.4.80.0100.01219.39
7.4.70.0070.01116.47
7.4.60.0120.00316.41
7.4.50.0050.00016.49
7.4.40.0100.00616.25
7.4.30.0100.00716.40
7.4.00.0070.00714.77
7.3.330.0050.00012.89
7.3.320.0000.00612.98
7.3.310.0030.00316.21
7.3.300.0030.00316.16
7.3.290.0070.01016.18
7.3.280.0040.01216.10
7.3.270.0070.01017.40
7.3.260.0110.00616.23
7.3.250.0100.00916.37
7.3.240.0140.01016.43
7.3.230.0100.00716.39
7.3.210.0060.01216.05
7.3.200.0120.00916.38
7.3.190.0040.01616.18
7.3.180.0030.01316.24
7.3.170.0130.00316.52
7.3.160.0090.00616.35
7.2.330.0070.01116.49
7.2.320.0090.00916.35
7.2.310.0050.01416.48
7.2.300.0140.00316.42
7.2.290.0040.01216.42
7.2.00.0290.00019.25
7.1.100.0040.00818.06
7.1.70.0040.00716.80
7.1.60.0130.01019.61
7.1.50.0000.01916.84
7.1.00.0070.07322.31
7.0.200.0110.00716.56
7.0.140.0000.07021.92
7.0.60.0170.05719.77
7.0.50.0030.04717.84
7.0.40.0130.06320.13
7.0.30.0200.03720.24
7.0.20.0330.07720.20
7.0.10.0130.08020.30
7.0.00.0330.03720.16
5.6.280.0070.07021.09
5.6.210.0100.07720.64
5.6.200.0170.02718.27
5.6.190.0030.04720.68
5.6.180.0270.07320.61
5.6.170.0270.04720.49
5.6.160.0000.06020.46
5.6.150.0070.07318.15
5.6.140.0100.08018.19
5.6.130.0070.08718.13
5.6.120.0030.08720.89
5.6.110.0070.06020.98
5.6.100.0300.06021.07
5.6.90.0030.09021.07
5.6.80.0200.06720.37
5.6.70.3970.03720.27
5.5.350.0000.08720.40
5.5.340.0070.07718.02
5.5.330.0000.05320.45
5.5.320.0270.04020.29
5.5.310.0370.07020.26
5.5.300.0100.08718.07
5.5.290.0130.07318.07
5.5.280.0130.04020.86
5.5.270.0070.05320.77
5.5.260.0200.07720.86
5.5.250.0000.04320.48
5.5.240.0030.03020.18
5.4.450.0300.04319.31
5.4.440.0430.04019.32
5.4.430.0300.04719.28
5.4.420.0330.04019.48
5.4.410.0300.04019.03
5.4.400.0400.03019.15
5.4.390.0300.04019.09
5.4.380.0330.06018.69
5.4.370.0330.06318.77
5.4.360.0200.06718.80
5.4.350.0400.05718.77
5.4.340.0500.06018.75
5.4.320.0010.04212.48
5.4.310.0040.04012.48
5.4.300.0050.03712.48
5.4.290.0050.03912.48
5.4.280.0040.03812.38
5.4.270.0040.03712.38
5.4.260.0080.03512.38
5.4.250.0070.03712.38
5.4.240.0040.04312.38
5.4.230.0060.04612.36
5.4.220.0070.03412.37
5.4.210.0070.03412.37
5.4.200.0020.04212.37
5.4.190.0080.03412.36
5.4.180.0050.03712.36
5.4.170.0080.03312.38
5.4.160.0030.03712.37
5.4.150.0070.04712.37
5.4.140.0050.04312.05
5.4.130.0060.04312.04
5.4.120.0060.04411.99
5.4.110.0070.04111.99
5.4.100.0040.03711.99
5.4.90.0040.04611.99
5.4.80.0100.03812.00
5.4.70.0050.03811.99
5.4.60.0080.03211.99
5.4.50.0060.04111.99
5.4.40.0070.03511.98
5.4.30.0050.03611.97
5.4.20.0060.03611.97
5.4.10.0030.03811.97
5.4.00.0050.04311.47
5.3.290.0060.04212.80
5.3.280.0060.03712.71
5.3.270.0060.03912.73
5.3.260.0080.04112.72
5.3.250.0080.03712.72
5.3.240.0070.04012.72
5.3.230.0060.03812.71
5.3.220.0030.04012.68
5.3.210.0060.03912.68
5.3.200.0070.04012.68
5.3.190.0080.03612.67
5.3.180.0040.04712.68
5.3.170.0060.03912.67
5.3.160.0090.03312.67
5.3.150.0090.03312.67
5.3.140.0070.04012.66
5.3.130.0030.04312.66
5.3.120.0070.03812.66
5.3.110.0070.04812.66
5.3.100.0070.04012.12
5.3.90.0120.03512.09
5.3.80.0080.03412.07
5.3.70.0040.03712.07
5.3.60.0060.03612.07
5.3.50.0070.04012.01
5.3.40.0070.05112.01
5.3.30.0090.04211.97
5.3.20.0080.03211.75
5.3.10.0070.03311.71
5.3.00.0080.03311.70
5.2.170.0030.0319.21
5.2.160.0040.0309.20
5.2.150.0060.0299.20
5.2.140.0050.0299.20
5.2.130.0040.0299.16
5.2.120.0030.0309.16
5.2.110.0050.0299.16
5.2.100.0030.0309.17
5.2.90.0050.0299.16
5.2.80.0060.0309.16
5.2.70.0060.0299.16
5.2.60.0040.0329.12
5.2.50.0050.0319.08
5.2.40.0060.0289.05
5.2.30.0050.0309.04
5.2.20.0030.0319.02
5.2.10.0050.0298.93
5.2.00.0060.0298.79
5.1.60.0080.0258.05
5.1.50.0010.0348.05
5.1.40.0040.0258.04
5.1.30.0090.0208.39
5.1.20.0040.0268.41
5.1.10.0050.0258.14
5.1.00.0060.0248.13
5.0.50.0030.0216.61
5.0.40.0030.0206.46
5.0.30.0030.0316.29
5.0.20.0030.0206.25
5.0.10.0030.0196.23
5.0.00.0040.0306.22
4.4.90.0060.0134.78
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0030.0154.76
4.4.50.0040.0144.77
4.4.40.0020.0254.71
4.4.30.0010.0174.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0010.0274.76
4.3.110.0010.0174.67
4.3.100.0020.0154.66
4.3.90.0020.0154.63
4.3.80.0020.0254.58
4.3.70.0030.0154.63
4.3.60.0030.0154.62
4.3.50.0020.0164.63
4.3.40.0050.0284.54
4.3.30.0040.0163.28
4.3.20.0030.0153.26
4.3.10.0010.0163.21
4.3.00.0030.02016.72

preferences:
64.89 ms | 401 KiB | 5 Q