3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1=> "A", "A" =>"B" , "C", 2 => "D"); echo count($a) . "\n"; var_dump($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)
8.3.60.0150.00618.26
8.3.50.0150.00618.18
8.3.40.0070.00718.43
8.3.30.0090.00618.92
8.3.20.0040.00420.10
8.3.10.0000.00723.66
8.3.00.0070.00019.01
8.2.180.0090.00618.20
8.2.170.0140.00722.96
8.2.160.0080.00622.13
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00321.05
8.2.110.0030.00622.15
8.2.100.0110.00017.72
8.2.90.0040.00417.50
8.2.80.0040.00418.73
8.2.70.0050.00317.80
8.2.60.0050.00318.16
8.2.50.0040.00418.10
8.2.40.0030.00619.24
8.2.30.0070.00019.11
8.2.20.0050.00317.58
8.2.10.0060.00317.92
8.2.00.0030.00517.66
8.1.280.0150.00325.92
8.1.270.0090.00018.78
8.1.260.0000.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00420.63
8.1.230.0040.00817.70
8.1.220.0070.00317.74
8.1.210.0050.00318.77
8.1.200.0090.00017.23
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0030.00618.57
8.1.160.0000.00718.99
8.1.150.0030.00318.92
8.1.140.0040.00419.22
8.1.130.0000.00717.86
8.1.120.0000.00717.42
8.1.110.0050.00317.33
8.1.100.0040.00417.41
8.1.90.0070.00017.34
8.1.80.0040.00417.29
8.1.70.0040.00417.41
8.1.60.0000.00917.53
8.1.50.0040.00417.54
8.1.40.0040.00417.49
8.1.30.0050.00317.64
8.1.20.0060.00317.61
8.1.10.0000.00717.52
8.1.00.0070.00417.44
8.0.300.0090.00018.77
8.0.290.0040.00416.75
8.0.280.0040.00418.38
8.0.270.0030.00517.28
8.0.260.0080.00017.15
8.0.250.0030.00316.95
8.0.240.0000.00716.90
8.0.230.0000.00716.82
8.0.220.0000.00616.91
8.0.210.0000.00716.76
8.0.200.0030.00316.80
8.0.190.0000.00816.88
8.0.180.0050.00216.96
8.0.170.0030.00516.84
8.0.160.0070.00016.84
8.0.150.0030.00316.77
8.0.140.0000.00716.82
8.0.130.0040.00413.23
8.0.120.0050.00316.86
8.0.110.0000.00716.85
8.0.100.0000.00716.91
8.0.90.0040.00416.75
8.0.80.0070.00716.91
8.0.70.0000.00716.74
8.0.60.0000.00716.98
8.0.50.0040.00416.93
8.0.30.0150.01017.08
8.0.20.0090.01017.40
8.0.10.0000.00717.01
8.0.00.0050.01316.85
7.4.330.0030.00315.03
7.4.320.0060.00016.50
7.4.300.0030.00316.38
7.4.290.0050.00616.46
7.4.280.0000.00816.38
7.4.270.0000.00716.39
7.4.260.0070.00016.49
7.4.250.0040.00416.40
7.4.240.0000.00716.56
7.4.230.0040.00416.47
7.4.220.0090.00916.56
7.4.210.0030.01716.55
7.4.200.0000.00716.58
7.4.160.0150.00016.52
7.4.150.0130.00917.40
7.4.140.0050.01217.86
7.4.130.0050.01616.46
7.4.120.0110.00816.47
7.4.110.0060.01216.56
7.4.100.0100.00716.45
7.4.90.0140.00616.50
7.4.80.0070.01719.39
7.4.70.0080.00816.44
7.4.60.0090.01516.55
7.4.50.0050.00316.55
7.4.40.0130.00916.51
7.4.30.0140.00316.53
7.4.00.0060.00814.58
7.3.330.0060.00013.16
7.3.320.0020.00213.09
7.3.310.0030.00516.29
7.3.300.0030.00316.23
7.3.290.0070.00916.27
7.3.280.0040.01216.31
7.3.270.0030.01417.40
7.3.260.0150.00416.30
7.3.250.0100.01016.35
7.3.240.0110.00716.52
7.3.230.0070.01016.39
7.3.210.0160.00716.38
7.3.200.0060.01519.39
7.3.190.0070.01416.45
7.3.180.0080.00816.50
7.3.170.0100.00716.27
7.3.160.0040.01216.30
7.3.10.0110.00716.56
7.3.00.0120.00616.59
7.2.330.0170.00316.30
7.2.320.0060.01116.25
7.2.310.0130.00416.63
7.2.300.0070.01316.27
7.2.290.0160.00316.27
7.2.130.0050.00516.86
7.2.120.0200.01116.81
7.2.110.0050.00916.52
7.2.100.0280.00716.83
7.2.90.0150.00716.51
7.2.80.0140.00416.80
7.2.70.0120.01516.70
7.2.60.0350.00616.69
7.2.50.0170.01016.87
7.2.40.0150.00416.49
7.2.30.0040.01216.84
7.2.20.0120.00916.64
7.2.10.0090.00616.82
7.2.00.0110.00518.15
7.1.250.0110.00815.60
7.1.200.0000.01015.84
7.1.100.0060.00918.06
7.1.70.0090.00016.93
7.1.60.0150.00919.22
7.1.50.0040.00716.70
7.1.00.0070.07322.45
7.0.200.0030.01016.69
7.0.140.0000.03722.09
7.0.60.0070.04019.78
7.0.50.0130.06017.90
7.0.40.0000.07720.27
7.0.30.0330.07720.09
7.0.20.0230.07320.23
7.0.10.0070.08720.33
7.0.00.0030.06020.15
5.6.280.0000.07721.09
5.6.210.0030.08020.67
5.6.200.0170.07018.22
5.6.190.0100.08320.36
5.6.180.0400.05720.36
5.6.170.0400.06720.49
5.6.160.0100.08020.50
5.6.150.0070.08718.15
5.6.140.0200.07318.11
5.6.130.0030.05018.11
5.6.120.0070.08321.13
5.6.110.0100.08721.10
5.6.100.0070.05021.00
5.6.90.0030.05021.11
5.6.80.0130.05720.55
5.5.350.3930.04020.37
5.5.340.0070.08317.98
5.5.330.0070.04020.43
5.5.320.3470.04320.29
5.5.310.0170.04720.25
5.5.300.0070.04317.93
5.5.290.0100.06017.92
5.5.280.0030.09020.86
5.5.270.0100.07720.71
5.5.260.0030.04020.75
5.5.250.0070.03720.70
5.5.240.0030.08320.23
5.4.450.0030.04019.11
5.4.440.0070.03719.13
5.4.430.0070.03719.24
5.4.420.0000.04719.57
5.4.410.0100.04319.44
5.4.400.0030.03718.89
5.4.390.0030.04719.13
5.4.380.0000.06018.95
5.4.370.0000.04018.82
5.4.360.0070.04019.16
5.4.350.0030.03718.95
5.4.340.0030.03719.09
5.4.320.0030.05719.08
5.4.310.0000.04718.93
5.4.300.0000.04019.09
5.4.290.0070.03319.08
5.4.280.0030.06319.07
5.4.270.0070.03319.21
5.4.260.0070.06318.78
5.4.250.0030.04719.14
5.4.240.0030.03719.21
5.4.230.0070.04319.24
5.4.220.0030.03719.09
5.4.210.0070.04719.05
5.4.200.0070.03319.07
5.4.190.0030.03719.12
5.4.180.0030.04719.08
5.4.170.0030.03719.08
5.4.160.0000.05318.86
5.4.150.0030.03719.07
5.4.140.0100.02716.25
5.4.130.0030.04316.25
5.4.120.0000.04716.34
5.4.110.0070.04316.36
5.4.100.0070.04316.39
5.4.90.0000.04016.44
5.4.80.0030.03316.37
5.4.70.0030.03316.21
5.4.60.0070.06016.36
5.4.50.0100.05716.44
5.4.40.0000.03716.41
5.4.30.0030.07016.27
5.4.20.0000.03716.40
5.4.10.0030.04716.46
5.4.00.0100.03715.63
5.3.290.0000.04314.61
5.3.280.0030.03714.50
5.3.270.0030.03714.55
5.3.260.0030.05014.55
5.3.250.0070.05714.44
5.3.240.0000.05014.63
5.3.230.0070.04314.43
5.3.220.0070.04714.47
5.3.210.0130.04014.65
5.3.200.0070.03714.41
5.3.190.0030.03714.59
5.3.180.0000.04014.51
5.3.170.0030.04714.40
5.3.160.0000.04014.58
5.3.150.0030.04314.54
5.3.140.0070.03314.50
5.3.130.0000.04314.40
5.3.120.0100.03014.47
5.3.110.0000.04714.40
5.3.100.0000.03713.98
5.3.90.0000.04013.97
5.3.80.0070.03313.92
5.3.70.0070.04014.06
5.3.60.0070.06713.78
5.3.50.0030.07013.88
5.3.40.0000.04013.82
5.3.30.0070.04013.81
5.3.20.0030.04013.64
5.3.10.0030.03313.70
5.3.00.0030.04313.52
5.2.170.0030.03710.98
5.2.160.0030.02710.99
5.2.150.0030.02711.08
5.2.140.0000.03011.07
5.2.130.0030.02711.17
5.2.120.0070.02310.99
5.2.110.0000.02711.11
5.2.100.0000.03011.04
5.2.90.0000.02710.96
5.2.80.0030.02710.94
5.2.70.0000.03010.95
5.2.60.0000.03010.93
5.2.50.0030.02711.06
5.2.40.0070.02011.03
5.2.30.0030.02710.81
5.2.20.0030.02710.80
5.2.10.0030.03011.07
5.2.00.0000.02710.66
5.1.60.0000.0239.96
5.1.50.0030.02010.21
5.1.40.0000.02310.05
5.1.30.0030.02310.30
5.1.20.0030.03010.26
5.1.10.0000.03010.11
5.1.00.0000.02710.04
5.0.50.0000.0238.47
5.0.40.0000.0208.42
5.0.30.0000.0378.15
5.0.20.0070.0208.13
5.0.10.0000.0278.05
5.0.00.0000.0308.38
4.4.90.0030.0206.71
4.4.80.0000.0206.71
4.4.70.0000.0236.71
4.4.60.0000.0176.71
4.4.50.0000.0176.72
4.4.40.0000.0276.72
4.4.30.0000.0176.72
4.4.20.0030.0176.72
4.4.10.0000.0306.72
4.4.00.0030.0306.72
4.3.110.0070.0106.72
4.3.100.0000.0176.72
4.3.90.0000.0176.72
4.3.80.0000.0276.72
4.3.70.0000.0176.72
4.3.60.0000.0176.72
4.3.50.0030.0176.72
4.3.40.0000.0236.72
4.3.30.0030.0136.72
4.3.20.0030.0136.72
4.3.10.0070.0136.72
4.3.00.0000.0176.72

preferences:
61.18 ms | 400 KiB | 5 Q