3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' => 10, 'z' => 10, 'c' => 10, 'b' => 11, 'd' => 10); print_r(array_flip($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)
8.3.60.0140.00316.50
8.3.50.0110.00722.86
8.3.40.0140.00018.54
8.3.30.0110.00418.93
8.3.20.0060.00820.21
8.3.10.0040.00421.66
8.3.00.0080.00017.13
8.2.180.0100.01016.38
8.2.170.0140.00022.96
8.2.160.0040.01120.38
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00420.96
8.2.110.0090.00020.55
8.2.100.0040.00717.72
8.2.90.0040.00419.08
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0030.00517.68
8.2.50.0050.00318.07
8.2.40.0050.00318.16
8.2.30.0000.00717.92
8.2.20.0050.00217.52
8.2.10.0000.00817.92
8.2.00.0040.00417.67
8.1.280.0080.00825.92
8.1.270.0040.00423.92
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00723.77
8.1.230.0030.00721.04
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0110.00017.22
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0070.00318.59
8.1.160.0040.00421.90
8.1.150.0060.00318.67
8.1.140.0050.00217.38
8.1.130.0000.00817.80
8.1.120.0040.00317.46
8.1.110.0000.00817.38
8.1.100.0000.00717.22
8.1.90.0040.00417.43
8.1.80.0040.00417.35
8.1.70.0000.00817.31
8.1.60.0060.00317.52
8.1.50.0000.00917.47
8.1.40.0040.00417.34
8.1.30.0040.00417.48
8.1.20.0040.00417.55
8.1.10.0000.00717.32
8.1.00.0050.00317.33
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00818.21
8.0.270.0070.00017.24
8.0.260.0000.00617.05
8.0.250.0000.00716.76
8.0.240.0000.00716.90
8.0.230.0000.00816.87
8.0.220.0000.00816.80
8.0.210.0030.00316.77
8.0.200.0000.00616.90
8.0.190.0070.00016.79
8.0.180.0000.00816.80
8.0.170.0050.00216.77
8.0.160.0070.00016.91
8.0.150.0070.00016.82
8.0.140.0030.00716.78
8.0.130.0060.00013.23
8.0.120.0040.00416.73
8.0.110.0040.00416.73
8.0.100.0020.00516.66
8.0.90.0000.00716.70
8.0.80.0090.00616.79
8.0.70.0040.00416.86
8.0.60.0070.00016.84
8.0.50.0080.00016.74
8.0.30.0100.00916.89
8.0.20.0110.00817.40
8.0.10.0040.00416.77
8.0.00.0110.00616.51
7.4.330.0000.00515.02
7.4.320.0000.00716.53
7.4.300.0000.00616.34
7.4.290.0030.00316.53
7.4.280.0040.00416.53
7.4.270.0000.00816.58
7.4.260.0000.00716.30
7.4.250.0070.00016.37
7.4.240.0030.00316.49
7.4.230.0030.00316.53
7.4.220.0100.00616.55
7.4.210.0030.01116.55
7.4.200.0030.00316.54
7.4.160.0120.00316.42
7.4.150.0140.00417.40
7.4.140.0140.00317.86
7.4.130.0100.01016.41
7.4.120.0120.00716.28
7.4.110.0130.00316.21
7.4.100.0140.00416.26
7.4.90.0060.01116.24
7.4.80.0150.00319.39
7.4.70.0110.01116.27
7.4.60.0100.00616.45
7.4.50.0040.00416.31
7.4.40.0060.01216.26
7.4.30.0120.00316.32
7.4.00.0030.01015.03
7.3.330.0030.00213.05
7.3.320.0000.00513.11
7.3.310.0000.00716.09
7.3.300.0040.00416.13
7.3.290.0080.00616.16
7.3.280.0090.00616.13
7.3.270.0050.01117.40
7.3.260.0150.00416.37
7.3.250.0070.00916.30
7.3.240.0110.00716.20
7.3.230.0090.00916.39
7.3.210.0170.00016.08
7.3.200.0100.00719.39
7.3.190.0040.01216.19
7.3.180.0130.00316.05
7.3.170.0120.00316.27
7.3.160.0150.00616.35
7.3.10.0060.00616.59
7.3.00.0090.00316.35
7.2.330.0100.00616.43
7.2.320.0140.00716.23
7.2.310.0030.01416.40
7.2.300.0030.01616.36
7.2.290.0030.01216.23
7.2.130.0070.00416.68
7.2.120.0000.01516.48
7.2.110.0040.00716.68
7.2.100.0030.01116.52
7.2.90.0060.01116.77
7.2.80.0040.00916.80
7.2.70.0110.00416.76
7.2.60.0040.01116.51
7.2.50.0030.01316.43
7.2.40.0070.00716.78
7.2.30.0080.00816.79
7.2.20.0070.00716.75
7.2.10.0060.00616.60
7.2.00.0060.00917.72
7.1.250.0030.00715.64
7.1.100.0040.00717.77
7.1.70.0000.00717.11
7.1.60.0070.01819.40
7.1.50.0070.01016.55
7.1.00.0070.07322.35
7.0.200.0000.00716.68
7.0.140.0070.07022.00
7.0.60.0070.04720.03
7.0.50.0070.07717.83
7.0.40.0170.03020.11
7.0.30.0300.04320.34
7.0.20.0230.05020.34
7.0.10.0100.08320.30
7.0.00.0070.08320.10
5.6.280.0000.07720.89
5.6.210.0070.04020.69
5.6.200.0030.04318.16
5.6.190.0070.04020.64
5.6.180.0200.06720.45
5.6.170.0270.05020.45
5.6.160.0030.09020.48
5.6.150.0130.07718.12
5.6.140.0070.08018.21
5.6.130.0070.08018.14
5.6.120.0030.04720.98
5.6.110.0100.07720.99
5.6.100.0200.04321.00
5.6.90.0070.05021.06
5.6.80.0070.08020.47
5.5.350.0100.07320.29
5.5.340.0100.03318.02
5.5.330.0070.04720.29
5.5.320.0470.06720.27
5.5.310.0300.04020.50
5.5.300.0100.04317.96
5.5.290.0000.04318.01
5.5.280.0170.04720.82
5.5.270.0130.08020.71
5.5.260.0030.04320.71
5.5.250.0030.05720.70
5.5.240.0200.08020.28
5.4.450.0300.07319.16
5.4.440.0270.03719.20
5.4.430.0600.05019.41
5.4.420.0500.04319.48
5.4.410.0170.04719.25
5.4.400.0400.03019.24
5.4.390.0130.04319.19
5.4.380.0170.05318.63
5.4.370.0170.07018.73
5.4.360.0200.04318.77
5.4.350.0130.05318.59
5.4.340.0270.03718.77
5.4.320.0100.03612.48
5.4.310.0120.03212.47
5.4.300.0070.03512.48
5.4.290.0060.03912.48
5.4.280.0030.03712.37
5.4.270.0030.03912.38
5.4.260.0090.03512.37
5.4.250.0060.03712.38
5.4.240.0060.03512.37
5.4.230.0080.03512.36
5.4.220.0100.03112.37
5.4.210.0080.03512.37
5.4.200.0060.04412.37
5.4.190.0080.03612.36
5.4.180.0120.03112.36
5.4.170.0060.03812.37
5.4.160.0080.03612.37
5.4.150.0090.03412.36
5.4.140.0110.05012.05
5.4.130.0070.04712.04
5.4.120.0110.04712.00
5.4.110.0070.03711.99
5.4.100.0120.02911.99
5.4.90.0070.03611.99
5.4.80.0030.04311.99
5.4.70.0070.03711.98
5.4.60.0110.03111.99
5.4.50.0070.03811.98
5.4.40.0090.03611.97
5.4.30.0030.03911.98
5.4.20.0050.03711.97
5.4.10.0070.03811.97
5.4.00.0040.03811.46
5.3.290.0120.04312.80
5.3.280.0050.03912.71
5.3.270.0050.04412.73
5.3.260.0080.03812.71
5.3.250.0040.04112.72
5.3.240.0050.03912.72
5.3.230.0040.04512.71
5.3.220.0030.04012.68
5.3.210.0060.03912.68
5.3.200.0060.03612.68
5.3.190.0050.03812.68
5.3.180.0070.03512.67
5.3.170.0030.03812.67
5.3.160.0070.03512.68
5.3.150.0050.03912.68
5.3.140.0080.03412.66
5.3.130.0080.04612.66
5.3.120.0110.04512.66
5.3.110.0050.04112.66
5.3.100.0070.03512.12
5.3.90.0100.04312.09
5.3.80.0080.04912.08
5.3.70.0110.04412.08
5.3.60.0080.04212.06
5.3.50.0080.03712.01
5.3.40.0060.03712.01
5.3.30.0040.04011.98
5.3.20.0120.04611.75
5.3.10.0090.04811.72
5.3.00.0080.04711.70
5.2.170.0050.0399.20
5.2.160.0070.0419.21
5.2.150.0070.0299.20
5.2.140.0080.0319.20
5.2.130.0090.0339.16
5.2.120.0050.0389.16
5.2.110.0080.0359.17
5.2.100.0080.0369.16
5.2.90.0060.0339.16
5.2.80.0070.0379.16
5.2.70.0030.0359.16
5.2.60.0060.0319.11
5.2.50.0060.0299.09
5.2.40.0040.0319.06
5.2.30.0080.0299.04
5.2.20.0040.0299.02
5.2.10.0050.0278.93
5.2.00.0070.0278.79
5.1.60.0030.0268.06
5.1.50.0050.0328.06
5.1.40.0050.0268.04
5.1.30.0050.0268.39
5.1.20.0040.0288.41
5.1.10.0060.0248.14
5.1.00.0040.0328.13
5.0.50.0050.0206.62
5.0.40.0070.0226.47
5.0.30.0060.0296.29
5.0.20.0060.0196.25
5.0.10.0040.0216.23
5.0.00.0030.0456.22
4.4.90.0030.0224.78
4.4.80.0070.0204.76
4.4.70.0030.0184.76
4.4.60.0040.0154.76
4.4.50.0020.0184.77
4.4.40.0040.0244.71
4.4.30.0020.0164.76
4.4.20.0040.0154.84
4.4.10.0030.0164.85
4.4.00.0040.0274.76
4.3.110.0020.0174.67
4.3.100.0040.0144.66
4.3.90.0020.0164.63
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0040.0174.62
4.3.40.0030.0244.54
4.3.30.0010.0173.28
4.3.20.0040.0143.26
4.3.10.0010.0173.21
4.3.00.0030.01715.91

preferences:
42.24 ms | 401 KiB | 5 Q