3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = array(); print_r(array_keys($input)[0]);

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)
8.3.60.0100.01018.30
8.3.50.0120.00821.04
8.3.40.0110.00418.83
8.3.30.0140.00019.11
8.3.20.0040.00420.34
8.3.10.0040.00423.64
8.3.00.0050.00319.38
8.2.180.0090.01216.88
8.2.170.0100.00722.96
8.2.160.0070.00720.45
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0000.00722.14
8.2.110.0060.00320.83
8.2.100.0060.00617.72
8.2.90.0050.00517.97
8.2.80.0050.00319.09
8.2.70.0060.00317.75
8.2.60.0080.00017.93
8.2.50.0040.00418.10
8.2.40.0040.00419.57
8.2.30.0000.00718.12
8.2.20.0040.00417.63
8.2.10.0040.00418.05
8.2.00.0080.00017.69
8.1.280.0160.00325.92
8.1.270.0040.00423.88
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0000.00922.54
8.1.230.0070.00420.99
8.1.220.0070.00317.74
8.1.210.0030.00518.84
8.1.200.0030.00717.23
8.1.190.0000.00817.22
8.1.180.0050.00218.10
8.1.170.0040.00418.59
8.1.160.0040.00421.86
8.1.150.0000.00718.81
8.1.140.0000.00717.34
8.1.130.0030.00317.87
8.1.120.0040.00417.34
8.1.110.0040.00417.40
8.1.100.0040.00417.25
8.1.90.0040.00417.42
8.1.80.0000.00717.36
8.1.70.0030.00317.36
8.1.60.0060.00317.42
8.1.50.0030.00517.39
8.1.40.0000.00817.33
8.1.30.0030.00517.54
8.1.20.0000.00717.53
8.1.10.0040.00417.38
8.1.00.0050.00217.45
8.0.300.0030.00619.90
8.0.290.0060.00316.72
8.0.280.0030.00318.38
8.0.270.0030.00317.14
8.0.260.0060.00017.23
8.0.250.0040.00417.00
8.0.240.0060.00316.85
8.0.230.0030.00316.82
8.0.220.0000.00816.79
8.0.210.0000.00716.86
8.0.200.0000.00616.94
8.0.190.0040.00416.89
8.0.180.0000.00716.98
8.0.170.0000.00816.94
8.0.160.0030.00616.79
8.0.150.0060.00316.82
8.0.140.0000.00716.83
8.0.130.0060.00013.32
8.0.120.0000.00816.75
8.0.110.0070.00016.93
8.0.100.0040.00416.76
8.0.90.0040.00416.75
8.0.80.0080.00916.88
8.0.70.0040.00416.76
8.0.60.0040.00416.69
8.0.50.0070.00016.89
8.0.30.0090.00917.14
8.0.20.0090.00817.40
8.0.10.0030.00517.01
8.0.00.0110.00616.77
7.4.330.0020.00215.00
7.4.320.0000.00616.43
7.4.300.0000.00716.57
7.4.290.0030.00316.52
7.4.280.0040.00416.45
7.4.270.0030.00316.44
7.4.260.0060.00316.53
7.4.250.0000.00816.40
7.4.240.0000.00716.52
7.4.230.0070.00016.38
7.4.220.0030.01516.39
7.4.210.0100.00716.41
7.4.200.0000.00716.48
7.4.160.0130.01016.49
7.4.150.0090.00917.40
7.4.140.0120.00617.86
7.4.130.0060.01116.32
7.4.120.0080.00816.51
7.4.110.0090.00916.53
7.4.100.0030.01316.29
7.4.90.0100.00616.48
7.4.80.0100.00719.39
7.4.70.0060.01616.40
7.4.60.0000.01516.45
7.4.50.0000.00516.07
7.4.40.0090.00916.63
7.4.30.0080.01116.31
7.4.00.0080.00814.84
7.3.330.0020.00213.14
7.3.320.0030.00413.07
7.3.310.0040.00416.11
7.3.300.0000.00616.16
7.3.290.0060.01316.27
7.3.280.0070.00916.26
7.3.270.0140.00417.40
7.3.260.0210.00016.19
7.3.250.0060.01316.31
7.3.240.0180.00416.22
7.3.230.0060.01116.45
7.3.210.0030.01316.24
7.3.200.0150.00619.39
7.3.190.0090.00916.45
7.3.180.0090.00616.36
7.3.170.0070.01116.29
7.3.160.0060.01016.34
7.3.120.0060.01314.69
7.3.110.0060.00914.73
7.3.100.0060.00614.75
7.3.90.0060.00814.94
7.3.80.0040.00914.84
7.3.70.0070.00614.79
7.3.60.0080.00514.64
7.3.50.0060.00614.74
7.3.40.0080.00514.69
7.3.30.0050.01214.59
7.3.20.0080.00516.62
7.3.10.0050.00916.66
7.3.00.0100.00316.58
7.2.330.0120.00616.57
7.2.320.0140.01016.27
7.2.310.0040.01316.53
7.2.300.0120.00916.50
7.2.290.0190.00316.46
7.2.250.0030.01414.67
7.2.240.0080.00914.96
7.2.230.0030.01215.04
7.2.220.0090.00514.88
7.2.210.0050.00714.89
7.2.200.0050.00814.77
7.2.190.0010.01214.95
7.2.180.0080.00514.74
7.2.170.0030.00814.72
7.2.80.0070.00716.57
7.2.60.0120.00016.84
7.1.330.0080.00715.68
7.1.320.0080.00315.81
7.1.310.0020.01215.71
7.1.300.0070.00515.72
7.1.290.0080.00515.74
7.1.280.0070.00615.76
7.1.270.0030.01015.88
7.1.260.0040.00915.84
7.1.200.0080.00315.65
7.1.100.0030.00618.01
7.1.70.0090.00617.28
7.1.60.0080.01219.32
7.1.50.0070.00416.99
7.1.00.0030.07722.45
7.0.200.0000.00816.62
7.0.140.0000.07722.01
7.0.60.0100.07719.82
7.0.50.0070.04317.75
7.0.40.0100.04020.06
7.0.30.0400.03720.34
7.0.20.0230.08320.21
7.0.10.0100.06020.09
7.0.00.0100.08020.17
5.6.280.0000.07720.77
5.6.210.0070.08020.54
5.6.200.0170.07718.15
5.6.190.0000.09020.41
5.6.180.0330.07320.67
5.6.170.0270.05320.35
5.6.160.0030.09020.41
5.6.150.0070.04018.19
5.6.140.0000.05018.11
5.6.130.0070.07718.17
5.6.120.0170.04320.73
5.6.110.0070.08321.11
5.6.100.0130.06320.98
5.6.90.0100.08321.01
5.6.80.0030.04720.39
5.5.350.0170.02720.41
5.5.340.0170.03317.98
5.5.330.0070.04720.13
5.5.320.0400.08320.51
5.5.310.0300.03720.30
5.5.300.0100.07717.84
5.5.290.0030.07017.92
5.5.280.0030.08720.79
5.5.270.0130.07720.66
5.5.260.0130.07720.86
5.5.250.0100.06020.70
5.5.240.0330.06720.28
5.4.450.0070.06019.26
5.4.440.1100.06719.07
5.4.430.0730.05019.09
5.4.420.0630.00019.70
5.4.410.0600.00019.40
5.4.400.0700.00019.05
5.4.390.0630.00019.26
5.4.380.0870.00018.92
5.4.370.0630.00019.19
5.4.360.0630.00018.96
5.4.350.0630.00019.07
5.4.340.0060.03611.97
5.4.320.0050.04712.45
5.4.310.0060.03812.45
5.4.300.0100.04312.45
5.4.290.0080.04912.45
5.4.280.0060.03812.35
5.4.270.0080.03412.34
5.4.260.0070.03612.34
5.4.250.0100.04012.34
5.4.240.0070.03912.35
5.4.230.0080.03912.34
5.4.220.0070.04012.34
5.4.210.0060.03612.34
5.4.200.0100.03912.34
5.4.190.0060.03612.33
5.4.180.0080.03512.33
5.4.170.0070.03612.35
5.4.160.0070.03712.34
5.4.150.0080.03512.34
5.4.140.0070.03612.02
5.4.130.0030.04012.01
5.4.120.0060.03411.97
5.4.110.0080.03711.96
5.4.100.0060.03511.96
5.4.90.0070.03611.96
5.4.80.0060.03811.96
5.4.70.0030.03811.96
5.4.60.0060.03611.96
5.4.50.0040.03711.96
5.4.40.0050.03511.95
5.4.30.0060.03511.94
5.4.20.0080.03611.95
5.4.10.0050.04011.95
5.4.00.0110.04211.43
5.3.290.0090.03712.80
5.3.280.0080.04012.71
5.3.270.0060.03912.73
5.3.260.0100.03912.72
5.3.250.0090.03512.72
5.3.240.0080.03512.72
5.3.230.0040.03912.71
5.3.220.0130.02912.68
5.3.210.0080.03612.68
5.3.200.0070.03612.68
5.3.190.0060.04212.68
5.3.180.0060.03612.68
5.3.170.0120.03112.67
5.3.160.0050.03612.67
5.3.150.0050.03712.67
5.3.140.0050.03812.66
5.3.130.0080.03812.66
5.3.120.0070.03812.66
5.3.110.0070.03912.66
5.3.100.0080.03512.12
5.3.90.0040.04312.08
5.3.80.0050.04712.07
5.3.70.0090.03512.07
5.3.60.0100.03512.07
5.3.50.0050.03712.00
5.3.40.0090.03312.00
5.3.30.0070.03411.95
5.3.20.0040.03811.73
5.3.10.0060.03511.70
5.3.00.0050.04011.68
5.2.170.0070.0319.18
5.2.160.0060.0349.18
5.2.150.0070.0299.18
5.2.140.0030.0329.18
5.2.130.0080.0279.14
5.2.120.0050.0289.14
5.2.110.0030.0309.15
5.2.100.0040.0299.15
5.2.90.0050.0289.14
5.2.80.0060.0299.14
5.2.70.0040.0319.14
5.2.60.0080.0299.09
5.2.50.0050.0299.06
5.2.40.0080.0299.04
5.2.30.0040.0359.01
5.2.20.0020.0309.00
5.2.10.0050.0278.92
5.2.00.0040.0298.79
5.1.60.0040.0238.07
5.1.50.0060.0238.06
5.1.40.0060.0238.05
5.1.30.0060.0248.39
5.1.20.0040.0268.42
5.1.10.0030.0278.14
5.1.00.0020.0288.14
5.0.50.0050.0196.62
5.0.40.0030.0206.48
5.0.30.0040.0306.29
5.0.20.0020.0206.27
5.0.10.0040.0196.24
5.0.00.0050.0296.23
4.4.90.0020.0164.78
4.4.80.0010.0164.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0020.0154.77
4.4.40.0040.0234.71
4.4.30.0040.0144.76
4.4.20.0040.0144.85
4.4.10.0050.0174.84
4.4.00.0050.0234.76
4.3.110.0050.0144.67
4.3.100.0030.0154.66
4.3.90.0060.0114.64
4.3.80.0060.0214.58
4.3.70.0030.0184.63
4.3.60.0040.0144.63
4.3.50.0050.0144.63
4.3.40.0040.0224.53
4.3.30.0040.0213.28
4.3.20.0050.0143.26
4.3.10.0030.0143.22
4.3.00.0030.0207.19

preferences:
69.36 ms | 401 KiB | 5 Q