3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( "1" => "A", 1 => "B", "C", 2 => "D" ); echo count($a); // returns 2 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)
8.3.60.0140.00718.14
8.3.50.0300.00622.05
8.3.40.0040.01118.52
8.3.30.0070.00718.96
8.3.20.0040.00420.22
8.3.10.0030.00523.66
8.3.00.0050.00318.98
8.2.180.0040.01516.32
8.2.170.0110.00422.96
8.2.160.0100.00322.20
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00421.00
8.2.110.0040.00422.25
8.2.100.0040.00817.78
8.2.90.0060.00318.91
8.2.80.0030.00617.97
8.2.70.0060.00317.75
8.2.60.0000.01117.68
8.2.50.0050.00318.07
8.2.40.0000.00817.91
8.2.30.0040.00418.05
8.2.20.0000.00817.52
8.2.10.0040.00418.03
8.2.00.0050.00517.57
8.1.280.0110.00425.92
8.1.270.0080.00018.72
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0040.00424.00
8.1.230.0090.00319.07
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.22
8.1.180.0090.00018.10
8.1.170.0030.00518.56
8.1.160.0050.00322.00
8.1.150.0000.00718.93
8.1.140.0040.00419.08
8.1.130.0020.00517.79
8.1.120.0040.00417.50
8.1.110.0030.00517.40
8.1.100.0040.00417.44
8.1.90.0000.00717.44
8.1.80.0040.00417.38
8.1.70.0000.00717.45
8.1.60.0030.00617.56
8.1.50.0000.00917.42
8.1.40.0070.00017.54
8.1.30.0030.00517.64
8.1.20.0000.00717.51
8.1.10.0040.00417.39
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0040.00418.37
8.0.270.0000.00717.11
8.0.260.0030.00317.24
8.0.250.0000.00717.01
8.0.240.0040.00416.96
8.0.230.0000.00816.74
8.0.220.0020.00516.81
8.0.210.0040.00416.82
8.0.200.0070.00016.87
8.0.190.0000.00716.92
8.0.180.0000.00816.76
8.0.170.0000.00716.92
8.0.160.0070.00016.95
8.0.150.0000.00816.73
8.0.140.0040.00416.81
8.0.130.0030.00513.27
8.0.120.0040.00416.77
8.0.110.0030.00516.95
8.0.100.0050.00216.99
8.0.90.0070.00016.73
8.0.80.0090.00616.94
8.0.70.0040.00416.94
8.0.60.0000.00716.77
8.0.50.0070.00016.78
8.0.30.0160.01017.17
8.0.20.0150.00517.40
8.0.10.0000.00816.90
8.0.00.0110.00816.81
7.4.330.0050.00015.03
7.4.320.0060.00016.39
7.4.300.0000.00616.59
7.4.290.0030.00316.46
7.4.280.0000.00716.59
7.4.270.0030.00316.42
7.4.260.0000.00716.57
7.4.250.0040.00416.45
7.4.240.0050.00216.53
7.4.230.0030.00316.64
7.4.220.0140.00416.55
7.4.210.0090.00916.54
7.4.200.0070.00016.68
7.4.160.0100.01016.49
7.4.150.0140.00417.40
7.4.140.0130.00817.86
7.4.130.0160.00416.50
7.4.120.0100.01116.57
7.4.110.0130.00916.56
7.4.100.0130.00616.57
7.4.90.0090.00916.48
7.4.80.0110.01319.39
7.4.70.0110.01116.39
7.4.60.0060.01016.40
7.4.50.0000.00916.39
7.4.40.0130.00316.42
7.4.30.0120.00916.54
7.4.00.0060.00914.93
7.3.330.0000.00513.02
7.3.320.0030.00313.08
7.3.310.0000.00716.19
7.3.300.0030.00316.19
7.3.290.0110.00416.19
7.3.280.0070.00816.16
7.3.270.0180.00717.40
7.3.260.0060.01416.23
7.3.250.0100.00716.29
7.3.240.0110.00716.26
7.3.230.0150.00316.39
7.3.210.0120.00916.38
7.3.200.0130.00419.39
7.3.190.0100.00616.47
7.3.180.0120.00916.37
7.3.170.0090.00916.46
7.3.160.0130.00916.45
7.2.330.0030.01916.30
7.2.320.0030.01416.29
7.2.310.0130.00616.43
7.2.300.0100.01016.42
7.2.290.0070.01516.73
7.2.60.0100.00316.58
7.2.00.0040.00819.16
7.1.200.0080.00415.46
7.1.100.0040.00718.01
7.1.70.0090.00316.89
7.1.60.0060.01819.46
7.1.50.0040.01416.98
7.1.00.0100.07022.45
7.0.200.0030.00516.63
7.0.140.0030.03321.91
7.0.60.0070.05319.94
7.0.50.0100.03317.82
7.0.40.0070.04720.04
7.0.30.0170.04020.30
7.0.20.0270.08020.16
7.0.10.0070.09020.01
7.0.00.0030.04720.01
5.6.280.0100.06721.01
5.6.210.0070.08020.50
5.6.200.0070.06018.22
5.6.190.0070.08720.56
5.6.180.0200.06720.41
5.6.170.0270.07320.42
5.6.160.0130.06320.35
5.6.150.0070.07718.09
5.6.140.0170.07018.18
5.6.130.0100.08318.14
5.6.120.0070.08021.14
5.6.110.0070.08720.97
5.6.100.0000.04321.11
5.6.90.0030.04021.09
5.6.80.0000.07320.36
5.5.350.2770.04020.34
5.5.340.0030.04017.96
5.5.330.0170.05020.41
5.5.320.0300.07020.34
5.5.310.0300.05320.21
5.5.300.0070.05717.97
5.5.290.0070.04318.02
5.5.280.0100.06020.89
5.5.270.0070.04020.88
5.5.260.0100.08320.95
5.5.250.0100.06020.57
5.5.240.0130.06720.34
5.4.450.0800.06319.48
5.4.440.0930.05319.36
5.4.430.0470.05319.44
5.4.420.1430.05019.61
5.4.410.0800.04719.37
5.4.400.0830.05019.31
5.4.390.0400.04318.46
5.4.380.0230.05718.50
5.4.370.0430.04018.74
5.4.360.0330.05018.72
5.4.350.0170.06318.59
5.4.340.0230.05318.59
5.4.320.0230.05718.64
5.4.310.0270.05018.71
5.4.300.0300.05018.74
5.4.290.0300.04718.72
5.4.280.0270.05318.53
5.4.270.0400.05018.52
5.4.260.0300.05018.68
5.4.250.0200.06018.46
5.4.240.0230.05718.60
5.4.230.0270.05018.55
5.4.220.0200.06718.69
5.4.210.0300.05018.49
5.4.200.0370.04316.50
5.4.190.0330.04718.54
5.4.180.0230.05718.60
5.4.170.0300.05318.59
5.4.160.0230.05718.75
5.4.150.0200.06018.50
5.4.140.0330.05016.32
5.4.130.0300.05016.25
5.4.120.0300.04716.26
5.4.110.0370.04016.30
5.4.100.0330.04716.25
5.4.90.0300.04716.20
5.4.80.0330.05016.23
5.4.70.0230.05316.28
5.4.60.0170.06016.13
5.4.50.0200.05316.11
5.4.40.0430.06316.24
5.4.30.0400.03716.22
5.4.20.0400.03716.21
5.4.10.0370.04316.11
5.4.00.0200.05715.53
5.3.290.0370.05714.57
5.3.280.0400.04014.54
5.3.270.0230.05714.58
5.3.260.0300.04714.60
5.3.250.0270.05314.68
5.3.240.0300.04714.69
5.3.230.0230.05714.57
5.3.220.0330.04714.65
5.3.210.0270.05314.61
5.3.200.0300.05014.54
5.3.190.0230.05314.47
5.3.180.0330.04314.54
5.3.170.0200.05714.61
5.3.160.0300.04714.53
5.3.150.0230.05014.61
5.3.140.0300.04314.53
5.3.130.0230.05714.59
5.3.120.0300.05314.44
5.3.110.0230.05714.59
5.3.100.0500.05314.02
5.3.90.0370.05014.02
5.3.80.0300.06713.99
5.3.70.0270.05714.01
5.3.60.0370.05013.98
5.3.50.0400.03713.92
5.3.40.0270.05714.04
5.3.30.0430.06014.00
5.3.20.0270.06013.63
5.3.10.0370.04713.65
5.3.00.0330.04313.63
5.2.170.0270.04711.18
5.2.160.0200.04311.20
5.2.150.0200.04711.13
5.2.140.0270.03711.11
5.2.130.0170.04711.02
5.2.120.0270.04011.10
5.2.110.0270.03711.25
5.2.100.0170.04311.16
5.2.90.0200.04011.07
5.2.80.0200.04311.08
5.2.70.0200.04311.05
5.2.60.0270.04011.11
5.2.50.0230.04310.99
5.2.40.0170.04311.02
5.2.30.0200.04010.97
5.2.20.0200.03710.90
5.2.10.0170.04010.87
5.2.00.0200.04010.73
5.1.60.0230.02710.01
5.1.50.0230.03310.10
5.1.40.0200.03310.08
5.1.30.0030.04010.53
5.1.20.0070.03710.39
5.1.10.0130.03310.20
5.1.00.0070.04010.04
5.0.50.0070.0308.67
5.0.40.0170.0178.46
5.0.30.0070.0438.20
5.0.20.0130.0238.20
5.0.10.0200.0178.14
5.0.00.0100.0478.19
4.4.90.0070.0236.76
4.4.80.0100.0206.76
4.4.70.0070.0236.76
4.4.60.0070.0236.76
4.4.50.0100.0206.76
4.4.40.0030.0376.76
4.4.30.0070.0236.76
4.4.20.0030.0276.76
4.4.10.0070.0236.76
4.4.00.0130.0306.76
4.3.110.0170.0176.76
4.3.100.0100.0206.76
4.3.90.0070.0236.76
4.3.80.0130.0306.76
4.3.70.0130.0176.76
4.3.60.0130.0176.76
4.3.50.0070.0236.76
4.3.40.0030.0376.76
4.3.30.0070.0206.76
4.3.20.0000.0276.76
4.3.10.0000.0276.76
4.3.00.0170.0207.18

preferences:
42.64 ms | 401 KiB | 5 Q