3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'count(false): ',count(false),"\n"; echo 'count(0): ',count(0),"\n"; echo 'count(array(false)): ',count(array(false)),"\n"; echo 'count(array(0)): ',count(array(0)),"\n"; echo 'count(null): ',count(null),"\n"; echo 'count(array()): ',count(array()),"\n"; class Test { function __construct() {} function __destruct() {} } $t = Test(); echo 'count($t): ', count($t), "\n";

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)
8.3.60.0170.00316.50
8.3.50.0100.01221.91
8.3.40.0060.00918.64
8.3.30.0100.00719.22
8.3.20.0080.00020.35
8.3.10.0040.00423.56
8.3.00.0080.00319.38
8.2.180.0040.01818.29
8.2.170.0070.01422.96
8.2.160.0110.00320.50
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00422.08
8.2.110.0060.00322.11
8.2.100.0040.00718.03
8.2.90.0040.00419.23
8.2.80.0060.00318.04
8.2.70.0030.00517.63
8.2.60.0000.00817.93
8.2.50.0030.00719.48
8.2.40.0000.00818.15
8.2.30.0060.00318.00
8.2.20.0040.00417.69
8.2.10.0040.00417.88
8.2.00.0040.00417.57
8.1.280.0170.00025.92
8.1.270.0090.00022.10
8.1.260.0040.00426.35
8.1.250.0110.00428.09
8.1.240.0000.00923.91
8.1.230.0090.00319.10
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0000.00917.23
8.1.190.0040.00417.53
8.1.180.0000.00818.10
8.1.170.0000.00718.59
8.1.160.0040.00421.86
8.1.150.0040.00418.43
8.1.140.0030.00517.39
8.1.130.0040.00417.77
8.1.120.0040.00417.21
8.1.110.0040.00417.37
8.1.100.0030.00317.21
8.1.90.0050.00317.38
8.1.80.0070.00017.34
8.1.70.0030.00317.21
8.1.60.0000.00817.46
8.1.50.0050.00317.48
8.1.40.0000.00817.36
8.1.30.0000.00817.52
8.1.20.0040.00417.50
8.1.10.0040.00417.52
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0000.00817.16
8.0.280.0080.00018.52
8.0.270.0040.00417.24
8.0.260.0030.00317.25
8.0.250.0060.00016.93
8.0.240.0050.00517.02
8.0.230.0030.00616.89
8.0.220.0000.00716.83
8.0.210.0030.00316.90
8.0.200.0000.00716.85
8.0.190.0060.00316.96
8.0.180.0000.00816.89
8.0.170.0000.00816.81
8.0.160.0000.00716.78
8.0.150.0000.00716.81
8.0.140.0000.00716.89
8.0.130.0040.00313.37
8.0.120.0080.00016.86
8.0.110.0040.00416.96
8.0.100.0040.00416.93
8.0.90.0000.00716.70
8.0.80.0000.01616.87
8.0.70.0000.00716.95
8.0.60.0030.00516.68
8.0.50.0000.00716.85
8.0.30.0150.00517.02
8.0.20.0080.01117.40
8.0.10.0040.00416.89
8.0.00.0110.00616.65
7.4.330.0050.00015.00
7.4.320.0040.00416.36
7.4.300.0040.00416.36
7.4.290.0030.00316.56
7.4.280.0000.00716.34
7.4.270.0000.00716.55
7.4.260.0040.00416.50
7.4.250.0030.00516.49
7.4.240.0020.00516.39
7.4.230.0000.00816.62
7.4.220.0070.01916.39
7.4.210.0080.00816.47
7.4.200.0030.00316.55
7.4.190.0030.00516.68
7.4.160.0090.00616.48
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0170.00116.58
7.4.120.0070.01116.47
7.4.110.0100.00716.45
7.4.100.0160.01316.54
7.4.90.0110.00616.34
7.4.80.0130.00619.39
7.4.70.0080.00816.50
7.4.60.0120.00316.53
7.4.50.0030.00316.33
7.4.40.0060.00622.77
7.4.30.0110.01116.63
7.4.00.0050.01214.80
7.3.330.0000.00513.27
7.3.320.0020.00213.16
7.3.310.0000.00716.13
7.3.300.0030.00316.27
7.3.290.0140.00716.27
7.3.280.0030.01416.26
7.3.270.0100.00717.40
7.3.260.0130.00316.43
7.3.250.0140.00516.41
7.3.240.0030.01416.34
7.3.230.0130.00316.39
7.3.210.0120.00416.59
7.3.200.0100.00519.39
7.3.190.0070.01016.61
7.3.180.0120.00316.40
7.3.170.0110.00416.46
7.3.160.0180.00416.34
7.3.120.0100.00514.78
7.3.110.0120.00614.94
7.3.100.0080.00814.70
7.3.90.0060.00914.90
7.3.80.0060.01014.98
7.3.70.0100.00614.50
7.3.60.0030.01214.66
7.3.50.0110.00414.88
7.3.40.0090.00614.95
7.3.30.0000.01414.82
7.3.20.0070.00716.73
7.3.10.0030.01216.71
7.3.00.0090.00616.59
7.2.330.0060.01216.39
7.2.320.0070.01016.79
7.2.310.0070.01016.66
7.2.300.0130.00316.59
7.2.290.0090.00816.61
7.2.250.0090.00915.22
7.2.240.0000.01415.20
7.2.230.0030.01614.63
7.2.220.0090.00614.88
7.2.210.0060.00614.96
7.2.200.0040.01115.07
7.2.190.0110.00415.13
7.2.180.0070.00414.95
7.2.170.0060.00315.03
7.2.60.0040.01116.97
7.2.00.0070.00719.24
7.1.330.0080.00415.54
7.1.320.0070.01015.78
7.1.310.0030.00815.51
7.1.300.0070.01015.71
7.1.290.0060.00615.80
7.1.280.0000.00915.72
7.1.270.0030.01015.35
7.1.260.0030.00615.64
7.1.200.0070.00715.52
7.1.100.0060.00618.12
7.1.70.0000.00916.82
7.1.60.0100.01019.33
7.1.50.0000.01116.81
7.1.00.0100.07022.44
7.0.200.0100.00314.92
7.0.140.0100.07022.04
7.0.60.0100.06719.97
7.0.50.0030.04017.87
7.0.40.0170.06320.24
7.0.30.0630.06020.11
7.0.20.0370.06320.20
7.0.10.0100.08320.23
7.0.00.0130.07020.07
5.6.280.0070.07021.08
5.6.210.0000.04320.54
5.6.200.0100.04318.29
5.6.190.0070.04320.41
5.6.180.0300.07720.45
5.6.170.0430.06020.45
5.6.160.0100.03720.54
5.6.150.0000.04318.15
5.6.140.0000.04318.14
5.6.130.0070.07718.11
5.6.120.0000.05721.00
5.6.110.0130.08020.98
5.6.100.0130.07321.13
5.6.90.0070.05721.00
5.6.80.0000.06020.29
5.6.70.4270.04020.40
5.5.350.0070.05720.50
5.5.340.0030.03717.95
5.5.330.0030.06020.25
5.5.320.0270.04020.35
5.5.310.0230.08320.41
5.5.300.0100.07718.02
5.5.290.0070.08317.94
5.5.280.0070.08720.96
5.5.270.0100.06020.65
5.5.260.0070.08020.68
5.5.250.0070.05320.59
5.5.240.0100.06720.17
5.4.450.0500.06019.46
5.4.440.0230.04319.61
5.4.430.0770.05319.58
5.4.420.0670.05019.55
5.4.410.0500.06019.18
5.4.400.0500.05319.29
5.4.390.0570.06719.29
5.4.380.0270.06318.76
5.4.370.0370.06018.79
5.4.360.0230.05718.57
5.4.350.0170.08018.58
5.4.340.0230.05018.57
5.4.320.0050.03912.50
5.4.310.0070.03812.50
5.4.300.0050.04112.50
5.4.290.0090.03512.50
5.4.280.0130.03612.37
5.4.270.0100.04812.37
5.4.260.0070.05212.38
5.4.250.0100.04612.37
5.4.240.0070.04112.37
5.4.230.0080.03812.36
5.4.220.0040.04412.36
5.4.210.0110.03812.36
5.4.200.0160.04612.36
5.4.190.0110.04812.36
5.4.180.0110.05312.36
5.4.170.0120.04912.37
5.4.160.0110.05112.37
5.4.150.0120.04612.36
5.4.140.0090.05012.04
5.4.130.0120.03212.03
5.4.120.0070.03912.00
5.4.110.0070.04311.99
5.4.100.0120.03511.99
5.4.90.0060.05311.99
5.4.80.0080.05011.99
5.4.70.0100.04511.98
5.4.60.0060.04911.98
5.4.50.0110.04111.99
5.4.40.0100.03511.97
5.4.30.0130.04511.97
5.4.20.0070.05611.97
5.4.10.0120.04711.97
5.4.00.0110.04811.46
5.3.290.0060.04312.80
5.3.280.0090.05312.71
5.3.270.0150.05012.73
5.3.260.0100.05612.72
5.3.250.0120.05112.72
5.3.240.0140.05112.72
5.3.230.0110.05412.71
5.3.220.0090.05512.68
5.3.210.0140.05012.68
5.3.200.0100.04312.68
5.3.190.0060.04112.68
5.3.180.0140.03712.67
5.3.170.0120.04512.67
5.3.160.0120.04812.67
5.3.150.0060.04312.67
5.3.140.0140.07212.66
5.3.130.0150.04312.66
5.3.120.0110.05112.66
5.3.110.0060.05712.65
5.3.100.0100.05112.12
5.3.90.0180.04812.08
5.3.80.0050.04712.08
5.3.70.0070.05112.07
5.3.60.0080.04812.07
5.3.50.0090.04612.00
5.3.40.0060.05012.00
5.3.30.0090.04611.96
5.3.20.0060.04611.74
5.3.10.0090.04511.70
5.3.00.0080.04911.70
5.2.170.0120.0369.19
5.2.160.0080.0399.19
5.2.150.0080.0429.20
5.2.140.0100.0409.18
5.2.130.0080.0399.15
5.2.120.0100.0369.15
5.2.110.0080.0359.16
5.2.100.0040.0319.15
5.2.90.0060.0319.15
5.2.80.0030.0339.15
5.2.70.0060.0309.15
5.2.60.0040.0329.10
5.2.50.0060.0319.07
5.2.40.0080.0289.04
5.2.30.0060.0369.02
5.2.20.0090.0449.00
5.2.10.0060.0458.92
5.2.00.0130.0398.79
5.1.60.0110.0348.07
5.1.50.0070.0338.07
5.1.40.0080.0328.05
5.1.30.0080.0368.40
5.1.20.0080.0378.43
5.1.10.0050.0388.15
5.1.00.0060.0378.15
5.0.50.0050.0346.63
5.0.40.0050.0316.48
5.0.30.0070.0466.30
5.0.20.0080.0356.27
5.0.10.0090.0376.24
5.0.00.0120.0776.23
4.4.90.0060.0224.78
4.4.80.0050.0194.75
4.4.70.0020.0234.76
4.4.60.0040.0204.76
4.4.50.0050.0214.77
4.4.40.0090.0324.71
4.4.30.0040.0204.75
4.4.20.0060.0224.84
4.4.10.0030.0254.85
4.4.00.0040.0314.76
4.3.110.0020.0284.67
4.3.100.0050.0234.67
4.3.90.0110.0174.63
4.3.80.0070.0464.58
4.3.70.0070.0214.63
4.3.60.0040.0244.63
4.3.50.0040.0254.63
4.3.40.0100.0434.54
4.3.30.0000.0263.30
4.3.20.0030.0233.28
4.3.10.0040.0233.24
4.3.00.0100.0278.79

preferences:
40.41 ms | 401 KiB | 5 Q