3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class qq{ abstract public function __construct(stdClass $o, array $arr = array()); }; class ww extends qq { function __construct(stdClass $o = null, array $arr = array()) {echo 'cc_constructor';} //function __construct() {echo 'cc_constructor';} }; $x = new ww();

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)
8.3.60.0070.01318.25
8.3.50.0180.00322.05
8.3.40.0140.00018.39
8.3.30.0170.00318.79
8.3.20.0040.00420.12
8.3.10.0090.00021.77
8.3.00.0040.00419.38
8.2.180.0030.01216.63
8.2.170.0110.00422.96
8.2.160.0140.00720.34
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0000.00826.16
8.2.120.0050.00319.67
8.2.110.0080.00320.80
8.2.100.0000.01117.84
8.2.90.0080.00017.90
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0000.00718.22
8.2.30.0080.00017.94
8.2.20.0040.00417.67
8.2.10.0050.00317.89
8.2.00.0040.00417.60
8.1.280.0070.01025.92
8.1.270.0120.00920.64
8.1.260.0110.00726.35
8.1.250.0040.00428.09
8.1.240.0000.00922.72
8.1.230.0070.00420.88
8.1.220.0040.00417.74
8.1.210.0050.00518.77
8.1.200.0050.00517.22
8.1.190.0060.00317.10
8.1.180.0040.00418.10
8.1.170.0080.00018.47
8.1.160.0040.00421.84
8.1.150.0000.00718.68
8.1.140.0040.00417.38
8.1.130.0000.00717.73
8.1.120.0000.00717.29
8.1.110.0000.00817.40
8.1.100.0040.00417.42
8.1.90.0000.00717.37
8.1.80.0040.00317.43
8.1.70.0030.00317.32
8.1.60.0060.00617.51
8.1.50.0000.00817.39
8.1.40.0000.00817.54
8.1.30.0000.00817.53
8.1.20.0000.00817.54
8.1.10.0040.00417.54
8.1.00.0040.00417.43
8.0.300.0040.00719.88
8.0.290.0040.00416.63
8.0.280.0070.00018.43
8.0.270.0040.00417.18
8.0.260.0000.00617.25
8.0.250.0000.00616.74
8.0.240.0070.00016.89
8.0.230.0000.00716.82
8.0.220.0050.00316.78
8.0.210.0040.00416.68
8.0.200.0000.00716.94
8.0.190.0040.00416.84
8.0.180.0050.00316.82
8.0.170.0000.00816.90
8.0.160.0040.00416.79
8.0.150.0050.00316.82
8.0.140.0030.00516.79
8.0.130.0030.00313.31
8.0.120.0040.00416.68
8.0.110.0030.00516.77
8.0.100.0070.00016.76
8.0.90.0000.00816.69
8.0.80.0110.01116.78
8.0.70.0000.00816.71
8.0.60.0050.00316.88
8.0.50.0000.00816.63
8.0.30.0110.01016.85
8.0.20.0120.01017.40
8.0.10.0040.00416.93
8.0.00.0130.00416.79
7.4.330.0030.00315.02
7.4.320.0000.00716.53
7.4.300.0000.00616.50
7.4.290.0070.00016.39
7.4.280.0030.00316.47
7.4.270.0060.00016.40
7.4.260.0040.00416.49
7.4.250.0070.00016.39
7.4.240.0040.00416.47
7.4.230.0040.00416.66
7.4.220.0130.01316.66
7.4.210.0070.01116.45
7.4.200.0030.00316.59
7.4.160.0040.01216.40
7.4.150.0040.01517.40
7.4.140.0130.00417.86
7.4.130.0110.00616.43
7.4.120.0050.01516.48
7.4.110.0060.01616.23
7.4.100.0120.00816.48
7.4.90.0040.01216.36
7.4.80.0060.01019.39
7.4.70.0120.00816.53
7.4.60.0070.01016.43
7.4.50.0000.00916.23
7.4.40.0070.01016.64
7.4.30.0070.01016.56
7.4.00.0120.00315.09
7.3.330.0000.00613.19
7.3.320.0060.00013.18
7.3.310.0030.00316.27
7.3.300.0030.00316.20
7.3.290.0120.00616.26
7.3.280.0120.00616.21
7.3.270.0140.00317.40
7.3.260.0100.00616.42
7.3.250.0120.00816.26
7.3.240.0090.00916.54
7.3.230.0170.00016.47
7.3.210.0070.01016.18
7.3.200.0070.01019.39
7.3.190.0170.00516.28
7.3.180.0120.00616.48
7.3.170.0060.01016.50
7.3.160.0090.00616.26
7.2.330.0070.01016.52
7.2.320.0100.00716.71
7.2.310.0140.00316.65
7.2.300.0090.00916.50
7.2.290.0120.00616.69
7.1.70.0070.00017.05
7.1.60.0110.01419.32
7.1.50.0100.01416.87
7.1.00.0170.06322.54
7.0.200.0030.00316.66
7.0.140.0000.07721.95
7.0.60.0130.07719.82
7.0.50.0030.04017.94
7.0.40.0100.07720.40
7.0.30.0270.08020.21
7.0.20.0130.04320.30
7.0.10.0070.07320.05
7.0.00.0170.07720.25
5.6.280.0130.06720.87
5.6.210.0130.07020.52
5.6.200.0070.03718.18
5.6.190.0200.06020.51
5.6.180.0200.06320.63
5.6.170.0170.06320.57
5.6.160.0000.07020.46
5.6.150.0000.04318.15
5.6.140.0100.07318.28
5.6.130.0070.08318.18
5.6.120.0130.03321.05
5.6.110.0030.04720.99
5.6.100.0100.07020.98
5.6.90.0000.04321.11
5.6.80.0070.08020.39
5.6.70.3700.03720.37
5.5.350.0200.06320.50
5.5.340.0070.05718.05
5.5.330.0070.06320.27
5.5.320.0400.06720.35
5.5.310.0230.03720.19
5.5.300.0100.08018.08
5.5.290.0100.07717.96
5.5.280.0100.05720.77
5.5.270.0170.08020.86
5.5.260.0030.09020.77
5.5.250.0070.04720.58
5.5.240.4300.03720.36
5.4.450.0830.06319.42
5.4.440.0900.05719.25
5.4.430.1000.07019.18
5.4.420.0270.05719.52
5.4.410.0270.05019.46
5.4.400.0330.06018.54
5.4.390.0400.05318.80
5.4.380.0270.06018.77
5.4.370.0370.05318.76
5.4.360.0400.05318.50
5.4.350.0430.07318.76
5.4.340.0040.04912.01
5.4.320.0070.05212.50
5.4.310.0090.05012.49
5.4.300.0090.04712.50
5.4.290.0110.04712.49
5.4.280.0060.03512.39
5.4.270.0070.03612.39
5.4.260.0030.04412.39
5.4.250.0050.04212.39
5.4.240.0140.03912.39
5.4.230.0070.04812.39
5.4.220.0040.04312.39
5.4.210.0060.03712.39
5.4.200.0050.03912.39
5.4.190.0040.04112.38
5.4.180.0050.05212.39
5.4.170.0080.04812.39
5.4.160.0100.03712.39
5.4.150.0050.03712.38
5.4.140.0040.04212.07
5.4.130.0110.03912.06
5.4.120.0100.03912.01
5.4.110.0050.03812.01
5.4.100.0050.04312.01
5.4.90.0080.04412.01
5.4.80.0070.03812.02
5.4.70.0070.04612.01
5.4.60.0090.04512.01
5.4.50.0080.04712.01
5.4.40.0060.03912.00
5.4.30.0050.03611.99
5.4.20.0040.03911.99
5.4.10.0080.03511.99
5.4.00.0030.04711.48
5.3.290.0060.04012.80
5.3.280.0070.03812.70
5.3.270.0080.04512.72
5.3.260.0050.04012.72
5.3.250.0050.03912.72
5.3.240.0070.03812.72
5.3.230.0060.03912.71
5.3.220.0100.03312.68
5.3.210.0090.03712.68
5.3.200.0050.03812.68
5.3.190.0080.03812.68
5.3.180.0020.04612.68
5.3.170.0050.03712.67
5.3.160.0090.03312.68
5.3.150.0050.03812.67
5.3.140.0070.04712.66
5.3.130.0080.04712.66
5.3.120.0060.04512.66
5.3.110.0100.03912.66
5.3.100.0060.04212.12
5.3.90.0070.04512.10
5.3.80.0090.03712.09
5.3.70.0100.04212.09
5.3.60.0110.03812.08
5.3.50.0070.03512.03
5.3.40.0080.03912.02
5.3.30.0110.03811.98
5.3.20.0040.04011.76
5.3.10.0050.04111.73
5.3.00.0060.04011.72
5.2.170.0050.0309.22
5.2.160.0040.0349.22
5.2.150.0080.0319.22
5.2.140.0050.0329.21
5.2.130.0080.0289.18
5.2.120.0080.0339.18
5.2.110.0030.0329.19
5.2.100.0060.0299.18
5.2.90.0030.0359.18
5.2.80.0050.0309.17
5.2.70.0080.0299.17
5.2.60.0060.0329.13
5.2.50.0050.0329.10
5.2.40.0070.0309.07
5.2.30.0020.0359.05
5.2.20.0050.0299.04
5.2.10.0050.0318.94
5.2.00.0080.0278.81
5.1.60.0030.0268.09
5.1.50.0070.0288.09
5.1.40.0020.0288.07
5.1.30.0060.0258.42
5.1.20.0030.0368.44
5.1.10.0070.0258.16
5.1.00.0070.0278.17
5.0.50.0030.0226.64
5.0.40.0040.0226.50
5.0.30.0060.0396.31
5.0.20.0020.0276.28
5.0.10.0020.0296.26
5.0.00.0060.0366.25
4.4.90.0040.0204.78
4.4.80.0040.0204.76
4.4.70.0030.0214.75
4.4.60.0040.0194.76
4.4.50.0030.0214.77
4.4.40.0030.0324.71
4.4.30.0070.0174.76
4.4.20.0040.0204.85
4.4.10.0020.0234.84
4.4.00.0050.0314.75
4.3.110.0010.0244.67
4.3.100.0070.0174.66
4.3.90.0040.0204.64
4.3.80.0050.0294.59
4.3.70.0010.0224.63
4.3.60.0060.0174.63
4.3.50.0020.0224.63
4.3.40.0050.0304.54
4.3.30.0040.0193.28
4.3.20.0030.0203.26
4.3.10.0000.0233.22
4.3.00.0100.0278.52

preferences:
54.81 ms | 401 KiB | 5 Q