3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a= array( 'mela' => 'pera', 'pippo'=> 'pera', 'carlo'=>'banana', 'saverio'=>'pera', ); $b= array_diff_key( $a , array_unique( $a ) ); $i=0; print_r($b); print_r($b[1]);

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)
8.3.60.0130.00316.63
8.3.50.0100.00622.85
8.3.40.0100.00718.67
8.3.30.0150.00019.17
8.3.20.0070.00020.30
8.3.10.0080.00023.66
8.3.00.0060.00319.38
8.2.180.0120.00316.50
8.2.170.0090.00622.96
8.2.160.0110.00320.35
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0100.00726.16
8.2.120.0000.00820.99
8.2.110.0060.00321.10
8.2.100.0090.00317.91
8.2.90.0070.00319.23
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0070.00018.04
8.2.50.0050.00318.07
8.2.40.0000.00818.09
8.2.30.0000.00718.07
8.2.20.0040.00417.80
8.2.10.0000.00718.01
8.2.00.0060.00317.72
8.1.280.0100.00725.92
8.1.270.0040.00423.85
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.47
8.1.230.0120.00019.08
8.1.220.0040.00417.77
8.1.210.0000.00918.77
8.1.200.0060.00317.22
8.1.190.0030.00617.23
8.1.180.0000.00918.10
8.1.170.0080.00018.47
8.1.160.0040.00422.01
8.1.150.0040.00418.67
8.1.140.0060.00317.42
8.1.130.0030.00317.82
8.1.120.0050.00317.38
8.1.110.0050.00317.42
8.1.100.0000.00817.41
8.1.90.0040.00317.43
8.1.80.0000.00817.41
8.1.70.0000.00717.30
8.1.60.0000.00817.57
8.1.50.0040.00417.30
8.1.40.0040.00417.47
8.1.30.0030.00617.58
8.1.20.0030.00617.55
8.1.10.0050.00317.50
8.1.00.0020.00517.41
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0050.00218.38
8.0.270.0020.00517.24
8.0.260.0030.00317.11
8.0.250.0000.00716.92
8.0.240.0000.00617.02
8.0.230.0000.00716.97
8.0.220.0030.00316.88
8.0.210.0030.00316.92
8.0.200.0000.00616.94
8.0.190.0040.00416.96
8.0.180.0030.00816.83
8.0.170.0080.00016.88
8.0.160.0000.00716.83
8.0.150.0090.00016.73
8.0.140.0000.00916.75
8.0.130.0060.00313.32
8.0.120.0040.00416.88
8.0.110.0040.00416.78
8.0.100.0030.00516.68
8.0.90.0040.00416.76
8.0.80.0090.00616.88
8.0.70.0040.00416.89
8.0.60.0070.00016.89
8.0.50.0040.00416.75
8.0.30.0100.01017.05
8.0.20.0110.00917.40
8.0.10.0000.00816.96
8.0.00.0170.00516.88
7.4.330.0000.00515.04
7.4.320.0000.00716.56
7.4.300.0000.00616.53
7.4.290.0030.00316.46
7.4.280.0000.00816.48
7.4.270.0030.00316.46
7.4.260.0040.00416.46
7.4.250.0030.00516.49
7.4.240.0030.00516.42
7.4.230.0000.00716.33
7.4.220.0030.01416.39
7.4.210.0060.01216.52
7.4.200.0000.00716.60
7.4.160.0130.00316.53
7.4.150.0130.01317.40
7.4.140.0070.01317.86
7.4.130.0130.00416.42
7.4.120.0080.01016.54
7.4.110.0100.00716.50
7.4.100.0070.01016.45
7.4.90.0090.00916.24
7.4.80.0120.00619.39
7.4.70.0090.01316.43
7.4.60.0120.00316.24
7.4.50.0030.00616.50
7.4.40.0030.01416.29
7.4.30.0040.01716.46
7.4.00.0140.00014.83
7.3.330.0000.00513.16
7.3.320.0000.00613.11
7.3.310.0030.00316.20
7.3.300.0030.00316.31
7.3.290.0030.01316.28
7.3.280.0070.00916.31
7.3.270.0170.00717.40
7.3.260.0060.01316.49
7.3.250.0040.01416.22
7.3.240.0040.01516.30
7.3.230.0090.00616.39
7.3.210.0090.01016.24
7.3.200.0100.00619.39
7.3.190.0110.00516.57
7.3.180.0120.00616.27
7.3.170.0100.00716.59
7.3.160.0030.01516.23
7.2.330.0090.00916.21
7.2.320.0070.01016.30
7.2.310.0030.01316.50
7.2.300.0070.01016.20
7.2.290.0120.00916.42
7.2.80.0030.00916.57
7.2.60.0090.00616.77
7.2.00.0040.00919.10
7.1.200.0000.01415.74
7.1.100.0260.00717.36
7.1.70.0000.00917.30
7.1.60.0170.00719.40
7.1.50.0040.02116.88
7.1.00.0100.07022.40
7.0.200.0040.00416.71
7.0.140.0070.07021.95
7.0.60.0030.06319.91
7.0.50.0070.03717.89
7.0.40.0170.07720.12
7.0.30.0200.04020.17
7.0.20.0370.05720.21
7.0.10.0070.07020.16
7.0.00.0100.08720.20
5.6.280.0030.07320.89
5.6.210.0100.07720.46
5.6.200.0100.07318.16
5.6.190.0100.06020.35
5.6.180.0230.05720.57
5.6.170.0300.05320.38
5.6.160.0100.08320.46
5.6.150.0030.07718.15
5.6.140.0170.06718.12
5.6.130.0030.08318.13
5.6.120.0070.08320.89
5.6.110.0000.08321.04
5.6.100.0070.06720.93
5.6.90.0030.07020.92
5.6.80.0070.08720.40
5.5.350.0000.08320.32
5.5.340.0070.03317.92
5.5.330.0070.08320.47
5.5.320.0070.04020.27
5.5.310.0300.05720.26
5.5.300.0070.07017.95
5.5.290.0030.08718.02
5.5.280.0070.04020.83
5.5.270.0130.08320.78
5.5.260.0170.07020.75
5.5.250.0030.08720.61
5.5.240.0070.08020.28
5.4.450.0170.05019.26
5.4.440.0270.04019.48
5.4.430.0370.04319.38
5.4.420.0400.04319.50
5.4.410.0400.04319.28
5.4.400.0500.03719.07
5.4.390.0470.03019.28
5.4.380.0700.05318.78
5.4.370.0500.04718.48
5.4.360.0400.07018.61
5.4.350.0500.06318.46
5.4.340.0430.05318.65
5.4.320.0070.03512.45
5.4.310.0050.03812.45
5.4.300.0030.04512.46
5.4.290.0030.04012.45
5.4.280.0050.03612.35
5.4.270.0050.04112.34
5.4.260.0060.03612.35
5.4.250.0050.03712.34
5.4.240.0030.04112.34
5.4.230.0060.04112.34
5.4.220.0050.04612.34
5.4.210.0040.03712.34
5.4.200.0030.04112.34
5.4.190.0050.03612.34
5.4.180.0040.03712.34
5.4.170.0050.03612.34
5.4.160.0040.03712.34
5.4.150.0090.03112.34
5.4.140.0030.04612.02
5.4.130.0060.04012.01
5.4.120.0040.03711.97
5.4.110.0050.03611.96
5.4.100.0020.03911.96
5.4.90.0030.03911.96
5.4.80.0090.03511.96
5.4.70.0070.03311.96
5.4.60.0030.03711.96
5.4.50.0110.03611.96
5.4.40.0050.03711.95
5.4.30.0050.03511.95
5.4.20.0050.03411.95
5.4.10.0110.03711.94
5.4.00.0080.03611.43
5.3.290.0060.03712.80
5.3.280.0060.03612.71
5.3.270.0070.03712.73
5.3.260.0080.03912.72
5.3.250.0050.03712.72
5.3.240.0100.03912.72
5.3.230.0070.03512.71
5.3.220.0070.03712.68
5.3.210.0060.03712.68
5.3.200.0060.03512.68
5.3.190.0050.03612.68
5.3.180.0050.03712.68
5.3.170.0050.03712.66
5.3.160.0090.03212.67
5.3.150.0060.04312.68
5.3.140.0050.03812.66
5.3.130.0040.03912.65
5.3.120.0070.03712.66
5.3.110.0100.03412.66
5.3.100.0040.03912.12
5.3.90.0050.03612.09
5.3.80.0070.03712.07
5.3.70.0070.03312.08
5.3.60.0040.03712.06
5.3.50.0050.03812.00
5.3.40.0060.03912.00
5.3.30.0060.03411.95
5.3.20.0070.03311.72
5.3.10.0040.03611.69
5.3.00.0060.04311.68
5.2.170.0060.0339.18
5.2.160.0040.0289.18
5.2.150.0040.0359.18
5.2.140.0050.0369.17
5.2.130.0050.0309.13
5.2.120.0030.0299.13
5.2.110.0030.0319.14
5.2.100.0060.0279.14
5.2.90.0070.0279.14
5.2.80.0030.0319.14
5.2.70.0040.0299.14
5.2.60.0030.0329.09
5.2.50.0030.0319.05
5.2.40.0050.0289.03
5.2.30.0020.0329.01
5.2.20.0050.0289.00
5.2.10.0050.0308.92
5.2.00.0050.0288.78
5.1.60.0030.0248.07
5.1.50.0030.0268.06
5.1.40.0030.0258.04
5.1.30.0010.0298.39
5.1.20.0040.0278.41
5.1.10.0010.0288.14
5.1.00.0040.0318.14
5.0.50.0010.0296.62
5.0.40.0010.0276.47
5.0.30.0020.0316.29
5.0.20.0020.0216.27
5.0.10.0020.0206.24
5.0.00.0020.0316.23
4.4.90.0030.0144.78
4.4.80.0040.0134.75
4.4.70.0050.0144.75
4.4.60.0010.0184.76
4.4.50.0020.0194.77
4.4.40.0050.0264.71
4.4.30.0030.0144.76
4.4.20.0040.0204.85
4.4.10.0030.0144.85
4.4.00.0030.0314.76
4.3.110.0030.0214.67
4.3.100.0030.0194.66
4.3.90.0040.0124.63
4.3.80.0020.0244.58
4.3.70.0040.0134.63
4.3.60.0030.0154.63
4.3.50.0030.0164.62
4.3.40.0010.0254.54
4.3.30.0010.0163.28
4.3.20.0030.0193.26
4.3.10.0020.0153.22
4.3.00.0000.01716.03

preferences:
37.8 ms | 401 KiB | 5 Q