3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("a","b","c"); echo "this is " . $array[3] . "\n"; echo empty($array[3]). "\n"; echo empty($array[2]). "\n"; echo $_SERVER['REQUEST_URI'];

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)
8.3.60.0090.00918.55
8.3.50.0130.00921.99
8.3.40.0040.01118.78
8.3.30.0060.00819.01
8.3.20.0080.00020.15
8.3.10.0080.00022.08
8.3.00.0050.00322.46
8.2.180.0060.00916.62
8.2.170.0120.00322.96
8.2.160.0100.00720.81
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0080.00019.48
8.2.110.0090.00022.14
8.2.100.0110.00017.91
8.2.90.0040.00419.39
8.2.80.0000.00917.97
8.2.70.0060.00317.75
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0030.00618.07
8.2.30.0030.00618.18
8.2.20.0040.00417.67
8.2.10.0080.00019.58
8.2.00.0070.00017.62
8.1.280.0100.00325.92
8.1.270.0040.00422.07
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0080.00023.92
8.1.230.0080.00319.22
8.1.220.0000.00917.77
8.1.210.0050.00318.77
8.1.200.0060.00317.24
8.1.190.0040.00417.40
8.1.180.0070.00318.10
8.1.170.0040.00418.46
8.1.160.0020.00522.06
8.1.150.0070.00018.64
8.1.140.0000.00717.43
8.1.130.0000.00717.73
8.1.120.0040.00417.41
8.1.110.0030.00317.35
8.1.100.0070.00017.33
8.1.90.0040.00417.42
8.1.80.0040.00417.46
8.1.70.0000.00717.45
8.1.60.0060.00317.57
8.1.50.0040.00417.43
8.1.40.0030.00717.53
8.1.30.0030.00517.65
8.1.20.0000.00817.58
8.1.10.0030.00517.54
8.1.00.0000.00717.41
8.0.300.0070.00018.77
8.0.290.0000.00817.18
8.0.280.0000.00718.36
8.0.270.0030.00317.17
8.0.260.0030.00316.75
8.0.250.0000.00716.90
8.0.240.0030.00316.91
8.0.230.0050.00317.00
8.0.220.0070.00016.96
8.0.210.0050.00316.97
8.0.200.0030.00317.03
8.0.190.0050.00217.02
8.0.180.0030.00516.86
8.0.170.0040.00416.93
8.0.160.0000.00716.93
8.0.150.0030.00316.93
8.0.140.0040.00316.84
8.0.130.0030.00313.37
8.0.120.0000.00816.93
8.0.110.0040.00416.87
8.0.100.0000.00717.02
8.0.90.0000.00816.91
8.0.80.0070.00716.83
8.0.70.0040.00416.82
8.0.60.0070.00016.90
8.0.50.0080.00016.82
8.0.30.0080.01016.99
8.0.20.0070.01517.40
8.0.10.0040.00417.08
8.0.00.0110.00716.83
7.4.330.0000.00515.08
7.4.320.0030.00316.53
7.4.300.0040.00416.51
7.4.290.0000.00816.65
7.4.280.0000.00616.50
7.4.270.0070.00016.59
7.4.260.0050.00316.55
7.4.250.0000.00716.39
7.4.240.0020.00516.52
7.4.230.0060.00316.30
7.4.220.0040.01216.67
7.4.210.0030.01016.59
7.4.200.0050.00316.50
7.4.190.0030.00316.73
7.4.160.0040.01116.38
7.4.150.0090.01317.40
7.4.140.0130.00617.86
7.4.130.0130.00516.69
7.4.120.0090.00716.50
7.4.110.0100.00716.57
7.4.100.0080.00816.55
7.4.90.0070.01016.62
7.4.80.0100.01019.39
7.4.70.0060.01016.55
7.4.60.0090.00616.71
7.4.50.0040.00416.41
7.4.40.0070.00722.77
7.4.30.0080.00816.48
7.4.00.0070.00715.03
7.3.330.0030.00313.15
7.3.320.0000.00513.29
7.3.310.0040.00416.43
7.3.300.0030.00316.38
7.3.290.0120.00616.34
7.3.280.0130.00616.36
7.3.270.0100.00717.40
7.3.260.0090.01216.41
7.3.250.0110.00716.38
7.3.240.0040.01216.46
7.3.230.0170.00316.39
7.3.210.0090.00916.43
7.3.200.0160.00619.39
7.3.190.0130.00916.29
7.3.180.0030.01316.41
7.3.170.0100.00716.46
7.3.160.0060.01116.42
7.3.120.0060.01215.02
7.2.330.0100.01016.73
7.2.320.0060.01116.82
7.2.310.0060.01016.33
7.2.300.0140.00316.48
7.2.290.0080.00816.47
7.2.110.0150.00716.48
7.1.200.0030.01015.66
7.1.70.0030.00316.89
7.1.60.0130.01019.82
7.1.50.0070.01516.98
7.1.00.0100.07022.36
7.0.200.0090.00416.82
7.0.140.0100.06721.95
7.0.60.0030.06719.88
7.0.50.0170.07017.87
7.0.40.0130.08020.16
7.0.30.0270.05320.20
7.0.20.0370.07320.33
7.0.10.0300.04720.13
7.0.00.0100.04320.13
5.6.280.0030.07321.02
5.6.210.0070.05320.60
5.6.200.0000.04718.12
5.6.190.0030.07720.56
5.6.180.3470.04020.46
5.6.170.0230.04020.43
5.6.160.0070.06020.39
5.6.150.0070.03718.20
5.6.140.0070.03718.13
5.6.130.0130.08018.09
5.6.120.0070.08020.94
5.6.110.0000.04320.88
5.6.100.0070.08320.95
5.6.90.0070.06320.96
5.6.80.0170.06720.50
5.6.70.4370.04320.27
5.5.350.0070.08320.28
5.5.340.0100.06718.02
5.5.330.0030.05320.21
5.5.320.0330.06720.24
5.5.310.0300.05320.32
5.5.300.0030.05018.00
5.5.290.0030.08017.99
5.5.280.0030.05720.77
5.5.270.0000.04320.71
5.5.260.0130.07320.76
5.5.250.0030.05720.68
5.5.240.0070.08020.14
5.4.450.0530.04319.58
5.4.440.0800.04719.43
5.4.430.0300.03319.48
5.4.420.0270.03319.21
5.4.410.0070.05318.88
5.4.400.0070.05318.72
5.4.390.0200.04018.68
5.4.380.0230.04718.49
5.4.370.0270.04018.52
5.4.360.0170.04718.64
5.4.350.0230.04318.60
5.4.340.0170.05018.58
5.4.320.0090.03712.45
5.4.310.0090.05212.45
5.4.300.0070.04112.45
5.4.290.0070.04312.45
5.4.280.0100.03212.34
5.4.270.0040.03812.31
5.4.260.0100.03312.31
5.4.250.0050.03812.31
5.4.240.0060.03612.31
5.4.230.0050.03812.31
5.4.220.0060.03512.30
5.4.210.0040.03712.30
5.4.200.0020.04212.31
5.4.190.0040.03912.30
5.4.180.0060.03712.30
5.4.170.0090.03312.32
5.4.160.0070.03412.30
5.4.150.0070.03412.30
5.4.140.0050.03811.98
5.4.130.0110.03911.97
5.4.120.0070.03811.93
5.4.110.0060.03511.93
5.4.100.0060.03511.93
5.4.90.0090.03411.93
5.4.80.0040.03911.93
5.4.70.0050.03511.93
5.4.60.0080.03211.93
5.4.50.0040.03711.93
5.4.40.0070.03911.91
5.4.30.0040.03611.91
5.4.20.0050.03511.91
5.4.10.0060.03411.91
5.4.00.0040.03811.40
5.3.290.0140.04512.80
5.3.280.0050.03912.71
5.3.270.0080.03812.73
5.3.260.0060.03912.71
5.3.250.0040.03912.72
5.3.240.0050.03812.72
5.3.230.0040.03912.71
5.3.220.0070.03612.68
5.3.210.0100.03612.68
5.3.200.0060.03712.68
5.3.190.0090.03612.68
5.3.180.0030.04012.68
5.3.170.0040.03912.67
5.3.160.0040.03912.68
5.3.150.0060.03812.68
5.3.140.0060.03712.66
5.3.130.0110.03512.66
5.3.120.0050.04012.66
5.3.110.0060.03912.66
5.3.100.0060.03812.12
5.3.90.0090.03912.09
5.3.80.0040.03812.07
5.3.70.0080.03512.08
5.3.60.0070.04212.06
5.3.50.0080.04812.00
5.3.40.0050.03912.00
5.3.30.0060.03611.94
5.3.20.0070.04511.70
5.3.10.0070.03611.66
5.3.00.0060.03611.65
5.2.170.0040.0329.15
5.2.160.0050.0299.15
5.2.150.0070.0419.15
5.2.140.0050.0389.14
5.2.130.0060.0279.10
5.2.120.0050.0289.11
5.2.110.0100.0249.11
5.2.100.0050.0299.11
5.2.90.0050.0299.11
5.2.80.0070.0339.10
5.2.70.0050.0319.10
5.2.60.0050.0349.05
5.2.50.0050.0299.03
5.2.40.0050.0289.00
5.2.30.0050.0338.98
5.2.20.0070.0288.96
5.2.10.0030.0308.89
5.2.00.0060.0358.75
5.1.60.0020.0258.04
5.1.50.0040.0248.04
5.1.40.0030.0258.02
5.1.30.0030.0328.37
5.1.20.0060.0328.39
5.1.10.0020.0288.12
5.1.00.0040.0268.12
5.0.50.0050.0196.59
5.0.40.0030.0266.45
5.0.30.0050.0506.27
5.0.20.0070.0276.24
5.0.10.0040.0316.22
5.0.00.0040.0366.21
4.4.90.0040.0154.78
4.4.80.0030.0154.75
4.4.70.0040.0144.75
4.4.60.0030.0154.76
4.4.50.0030.0154.77
4.4.40.0000.0274.71
4.4.30.0020.0164.76
4.4.20.0050.0134.85
4.4.10.0060.0124.85
4.4.00.0020.0264.76
4.3.110.0020.0174.67
4.3.100.0010.0174.67
4.3.90.0030.0184.64
4.3.80.0070.0284.59
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0050.0144.63
4.3.40.0050.0224.54
4.3.30.0040.0143.28
4.3.20.0040.0153.26
4.3.10.0030.0153.21
4.3.00.0100.01013.29

preferences:
51.91 ms | 401 KiB | 5 Q