3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array('x' => 1, '0x9876' => 54321); var_dump($x); var_dump(gettype(key($x)));

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)
8.3.40.0080.00618.59
8.3.30.0110.00418.92
8.3.20.0040.00420.27
8.3.10.0040.00423.61
8.3.00.0040.00419.56
8.2.170.0090.00618.96
8.2.160.0180.00022.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.02
8.2.110.0070.00320.38
8.2.100.0040.00817.78
8.2.90.0060.00317.67
8.2.80.0040.00417.97
8.2.70.0000.00817.80
8.2.60.0070.00017.91
8.2.50.0060.00318.10
8.2.40.0040.00420.55
8.2.30.0050.00518.29
8.2.20.0050.00317.73
8.2.10.0000.00817.97
8.2.00.0030.00617.68
8.1.270.0040.00424.66
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0120.00923.82
8.1.230.0110.00320.75
8.1.220.0040.00417.76
8.1.210.0090.00019.01
8.1.200.0000.00817.35
8.1.190.0000.00917.10
8.1.180.0080.00018.10
8.1.170.0000.00818.64
8.1.160.0040.00422.13
8.1.150.0050.00218.83
8.1.140.0040.00417.35
8.1.130.0030.00317.72
8.1.120.0030.00317.48
8.1.110.0030.00617.46
8.1.100.0000.01017.46
8.1.90.0000.00717.38
8.1.80.0000.00717.51
8.1.70.0000.00717.45
8.1.60.0030.00617.45
8.1.50.0040.00417.43
8.1.40.0000.00917.52
8.1.30.0040.00417.56
8.1.20.0000.00817.60
8.1.10.0000.00717.46
8.1.00.0000.00917.23
8.0.300.0050.00320.06
8.0.290.0000.00716.63
8.0.280.0000.00718.25
8.0.270.0000.00717.12
8.0.260.0030.00517.18
8.0.250.0030.00316.85
8.0.240.0000.00616.89
8.0.230.0030.00316.88
8.0.220.0070.00016.82
8.0.210.0060.00016.80
8.0.200.0030.00316.88
8.0.190.0080.00016.77
8.0.180.0040.00416.91
8.0.170.0030.00616.87
8.0.160.0000.00816.75
8.0.150.0000.00716.71
8.0.140.0070.00016.84
8.0.130.0000.00513.24
8.0.120.0060.00316.73
8.0.110.0040.00416.86
8.0.100.0070.00016.75
8.0.90.0040.00416.85
8.0.80.0090.00616.88
8.0.70.0030.00316.92
8.0.60.0030.00516.88
8.0.50.0000.00716.79
8.0.30.0130.00717.05
8.0.20.0120.00617.40
8.0.10.0070.00016.96
8.0.00.0080.01216.71
7.4.330.0050.00015.14
7.4.320.0030.00616.45
7.4.300.0070.00016.47
7.4.290.0030.00316.52
7.4.280.0040.00416.38
7.4.270.0070.00016.51
7.4.260.0040.00416.49
7.4.250.0080.00016.42
7.4.240.0050.00216.46
7.4.230.0050.00316.45
7.4.220.0140.00416.62
7.4.210.0080.00616.61
7.4.200.0070.00016.61
7.4.160.0080.01116.38
7.4.150.0150.00617.40
7.4.140.0080.00917.86
7.4.130.0100.00916.34
7.4.120.0100.00716.59
7.4.110.0140.00916.24
7.4.100.0030.01416.42
7.4.90.0090.00816.61
7.4.80.0130.00719.39
7.4.70.0040.01216.32
7.4.60.0130.00316.37
7.4.50.0000.00816.32
7.4.40.0080.00816.56
7.4.30.0110.00816.34
7.4.00.0070.01114.87
7.3.330.0030.00313.03
7.3.320.0000.00513.08
7.3.310.0070.00016.14
7.3.300.0000.00716.21
7.3.290.0110.00316.14
7.3.280.0070.01116.14
7.3.270.0030.01317.40
7.3.260.0210.01716.18
7.3.250.0160.00416.17
7.3.240.0070.01016.31
7.3.230.0110.00516.54
7.3.210.0070.01016.45
7.3.200.0160.00016.31
7.3.190.0090.01516.37
7.3.180.0080.01216.20
7.3.170.0090.01016.27
7.3.160.0030.01216.41
7.3.120.0050.01414.89
7.3.110.0060.01314.56
7.3.100.0070.00414.38
7.3.90.0100.01014.83
7.3.80.0030.00914.48
7.3.70.0040.01114.68
7.3.60.0040.01114.64
7.3.50.0060.00314.76
7.3.40.0090.00614.79
7.3.30.0000.00914.78
7.3.20.0120.00016.57
7.3.10.0070.00716.46
7.3.00.0070.00716.54
7.2.330.0090.00916.39
7.2.320.0100.01316.52
7.2.310.0110.00616.50
7.2.300.0130.00316.31
7.2.290.0110.00516.54
7.2.250.0070.01314.85
7.2.240.0030.01414.80
7.2.230.0000.01815.09
7.2.220.0160.00314.48
7.2.210.0000.01815.13
7.2.200.0110.00614.96
7.2.190.0090.00614.96
7.2.180.0070.01014.85
7.2.170.0030.01214.94
7.1.330.0040.01215.82
7.1.320.0060.00615.80
7.1.310.0100.00715.73
7.1.300.0060.01215.72
7.1.290.0070.00715.53
7.1.280.0000.00915.86
7.1.270.0030.00715.70
7.1.260.0040.01115.47
7.1.200.0070.00715.58
7.1.70.0090.00017.07
7.1.60.0030.00917.02
7.1.50.0200.01334.71
7.1.00.0030.07722.30
7.0.200.0090.00316.40
7.0.140.0000.07721.98
7.0.60.0070.07720.07
7.0.50.0070.05717.81
7.0.40.0030.07720.24
7.0.30.0500.07720.00
7.0.20.0330.06320.33
7.0.10.0170.08020.21
7.0.00.0100.08720.11
5.6.280.0100.06721.12
5.6.210.0070.07720.61
5.6.200.0100.05318.15
5.6.190.0100.06320.43
5.6.180.0230.03720.39
5.6.170.0400.04020.33
5.6.160.0070.04020.61
5.6.150.0100.07718.21
5.6.140.0000.04318.11
5.6.130.0000.06318.14
5.6.120.0100.06021.07
5.6.110.0170.06721.13
5.6.100.0100.06320.95
5.6.90.0000.09721.11
5.6.80.0100.06720.52
5.5.350.0070.08020.34
5.5.340.0000.06717.98
5.5.330.0100.04020.21
5.5.320.0300.07020.20
5.5.310.0230.06320.26
5.5.300.0070.04017.99
5.5.290.0100.07017.91
5.5.280.0100.04320.97
5.5.270.0070.08720.86
5.5.260.0130.06020.78
5.5.250.0170.06720.79
5.5.240.3930.05020.18
5.4.450.0500.04319.11
5.4.440.0400.05319.24
5.4.430.0430.05019.56
5.4.420.0500.04019.43
5.4.410.0700.02319.34
5.4.400.0300.03319.25
5.4.390.0130.05318.77
5.4.380.0130.08318.46
5.4.370.0130.05718.46
5.4.360.0170.05018.60
5.4.350.0170.07318.71
5.4.340.0170.05018.46
5.4.320.0060.03512.45
5.4.310.0040.03912.45
5.4.300.0140.04312.45
5.4.290.0130.05612.45
5.4.280.0110.04612.35
5.4.270.0100.04512.35
5.4.260.0090.04912.35
5.4.250.0050.05312.35
5.4.240.0100.04612.35
5.4.230.0090.04812.34
5.4.220.0110.04512.34
5.4.210.0100.03312.34
5.4.200.0080.03812.34
5.4.190.0050.03912.33
5.4.180.0050.04112.33
5.4.170.0110.03512.35
5.4.160.0050.04712.34
5.4.150.0100.04112.34
5.4.140.0050.04412.02
5.4.130.0110.04112.01
5.4.120.0090.04111.96
5.4.110.0080.04011.96
5.4.100.0130.03511.96
5.4.90.0060.04211.96
5.4.80.0070.03511.96
5.4.70.0070.03311.96
5.4.60.0080.03411.96
5.4.50.0060.03611.96
5.4.40.0060.03511.95
5.4.30.0020.04011.95
5.4.20.0100.03111.95
5.4.10.0020.03911.95
5.4.00.0050.03611.43
5.3.290.0070.03712.80
5.3.280.0040.03912.71
5.3.270.0090.03612.72
5.3.260.0080.03712.72
5.3.250.0070.03812.72
5.3.240.0050.04912.72
5.3.230.0060.03912.70
5.3.220.0090.03612.68
5.3.210.0120.03512.68
5.3.200.0080.04212.68
5.3.190.0100.03612.67
5.3.180.0090.03612.67
5.3.170.0040.03812.67
5.3.160.0020.04212.68
5.3.150.0060.04312.67
5.3.140.0100.03412.66
5.3.130.0060.03912.66
5.3.120.0080.03812.66
5.3.110.0130.05112.66
5.3.100.0130.04712.12
5.3.90.0070.05112.09
5.3.80.0090.04812.08
5.3.70.0060.05012.07
5.3.60.0060.05112.07
5.3.50.0080.03912.00
5.3.40.0080.03812.00
5.3.30.0070.04111.94
5.3.20.0080.03711.73
5.3.10.0090.03511.69
5.3.00.0080.04211.67
5.2.170.0060.0339.18
5.2.160.0080.0349.18
5.2.150.0070.0339.18
5.2.140.0080.0309.17
5.2.130.0050.0319.13
5.2.120.0030.0329.14
5.2.110.0060.0329.14
5.2.100.0060.0329.14
5.2.90.0070.0369.14
5.2.80.0050.0429.13
5.2.70.0050.0409.13
5.2.60.0090.0309.09
5.2.50.0070.0309.06
5.2.40.0040.0319.03
5.2.30.0090.0309.01
5.2.20.0060.0339.00
5.2.10.0050.0318.92
5.2.00.0050.0338.77
5.1.60.0070.0288.06
5.1.50.0070.0288.05
5.1.40.0060.0318.04
5.1.30.0050.0328.39
5.1.20.0050.0368.41
5.1.10.0060.0318.14
5.1.00.0070.0318.13
5.0.50.0050.0256.61
5.0.40.0040.0266.47
5.0.30.0060.0356.29
5.0.20.0070.0256.25
5.0.10.0060.0266.23
5.0.00.0040.0496.22
4.4.90.0080.0174.77
4.4.80.0040.0344.76
4.4.70.0050.0224.75
4.4.60.0030.0254.76
4.4.50.0010.0244.77
4.4.40.0040.0344.71
4.4.30.0030.0224.76
4.4.20.0040.0234.84
4.4.10.0040.0224.85
4.4.00.0030.0334.76
4.3.110.0050.0184.67
4.3.100.0040.0184.66
4.3.90.0050.0154.64
4.3.80.0020.0294.58
4.3.70.0010.0174.63
4.3.60.0030.0174.63
4.3.50.0040.0184.63
4.3.40.0030.0244.54
4.3.30.0030.0153.28
4.3.20.0000.0213.25
4.3.10.0020.0173.21
4.3.00.0070.01312.05

preferences:
50.39 ms | 400 KiB | 5 Q