3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $c = 0; public function A($c) { print($this->c); print($c); } } class B extends A { public function B($c) { parent::A(++$this->c > 0 ? ++$c : -1); } } $b = new B(2); // 13

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)
8.3.60.0140.00416.50
8.3.50.0080.00922.87
8.3.40.0080.00818.75
8.3.30.0120.00418.85
8.3.20.0040.00420.16
8.3.10.0040.00423.65
8.3.00.0030.00517.38
8.2.180.0120.00316.60
8.2.170.0110.00422.96
8.2.160.0110.00420.51
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0160.00326.16
8.2.120.0000.00820.86
8.2.110.0040.00420.37
8.2.100.0080.00417.70
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0000.00817.91
8.2.50.0050.00318.07
8.2.40.0040.00418.03
8.2.30.0040.00417.86
8.2.20.0040.00417.50
8.2.10.0040.00417.95
8.2.00.0020.00517.67
8.1.280.0130.00725.92
8.1.270.0050.00323.96
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00723.84
8.1.230.0090.00319.16
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00417.22
8.1.190.0030.00617.10
8.1.180.0040.00418.10
8.1.170.0030.00518.49
8.1.160.0050.00221.82
8.1.150.0040.00418.86
8.1.140.0000.00717.42
8.1.130.0030.00317.88
8.1.120.0040.00417.32
8.1.110.0000.00717.33
8.1.100.0000.00717.27
8.1.90.0070.00417.38
8.1.80.0040.00417.28
8.1.70.0000.00717.30
8.1.60.0040.00417.51
8.1.50.0040.00417.47
8.1.40.0050.00217.42
8.1.30.0000.00817.62
8.1.20.0060.00317.55
8.1.10.0000.00717.48
8.1.00.0040.00417.41
8.0.300.0070.00018.77
8.0.290.0080.00016.75
8.0.280.0040.00418.30
8.0.270.0030.00317.10
8.0.260.0030.00317.12
8.0.250.0000.00716.71
8.0.240.0000.00716.80
8.0.230.0000.00716.88
8.0.220.0030.00316.89
8.0.210.0000.00716.75
8.0.200.0030.00316.75
8.0.190.0040.00416.85
8.0.180.0040.00416.86
8.0.170.0080.00016.86
8.0.160.0030.00316.87
8.0.150.0000.00816.72
8.0.140.0030.00316.77
8.0.130.0040.00413.21
8.0.120.0040.00416.63
8.0.110.0050.00216.73
8.0.100.0070.00016.69
8.0.90.0040.00416.81
8.0.80.0090.00616.86
8.0.70.0020.00516.94
8.0.60.0000.00816.82
8.0.50.0000.00716.77
8.0.30.0110.01116.90
8.0.20.0060.01317.40
8.0.10.0050.00317.00
8.0.00.0080.01316.66
7.4.330.0000.00515.00
7.4.320.0030.00316.44
7.4.300.0030.00316.58
7.4.290.0000.00716.61
7.4.280.0000.00816.55
7.4.270.0000.00716.35
7.4.260.0000.00716.55
7.4.250.0000.00716.35
7.4.240.0040.00316.51
7.4.230.0030.00316.61
7.4.220.0080.01316.66
7.4.210.0060.00916.54
7.4.200.0000.00716.34
7.4.160.0120.00316.54
7.4.150.0150.00317.40
7.4.140.0080.01417.86
7.4.130.0120.00616.47
7.4.120.0120.00516.38
7.4.110.0030.01316.48
7.4.100.0060.01316.55
7.4.90.0110.00616.53
7.4.80.0070.01119.39
7.4.70.0160.00316.56
7.4.60.0140.00316.57
7.4.50.0040.00016.36
7.4.40.0160.00616.60
7.4.30.0080.00816.54
7.4.00.0080.00815.20
7.3.330.0060.00013.22
7.3.320.0030.00313.31
7.3.310.0040.00416.35
7.3.300.0070.00016.25
7.3.290.0110.00916.33
7.3.280.0080.00816.36
7.3.270.0070.01117.40
7.3.260.0090.00916.42
7.3.240.0130.00816.56
7.3.230.0080.00816.39
7.3.210.0000.01616.30
7.3.200.0070.01419.39
7.3.190.0060.01016.22
7.3.180.0120.00316.30
7.3.170.0070.01016.39
7.3.160.0120.00416.45
7.3.10.0030.00716.82
7.3.00.0000.01116.67
7.2.330.0070.01016.59
7.2.320.0160.02016.54
7.2.310.0130.00316.67
7.2.300.0090.00916.91
7.2.290.0030.01416.80
7.2.130.0060.00616.75
7.2.120.0060.00616.96
7.2.110.0070.00616.74
7.2.100.0040.00816.60
7.2.90.0060.00716.93
7.2.80.0050.00416.61
7.2.70.0080.00516.73
7.2.60.0070.00616.93
7.2.50.0030.01016.81
7.2.40.0070.00716.91
7.2.30.0020.00916.88
7.2.20.0030.00916.81
7.2.10.0060.00516.73
7.2.00.0040.01117.74
7.1.250.0040.00415.77
7.1.230.0090.00315.66
7.1.220.0070.00315.75
7.1.210.0090.00615.56
7.1.200.0100.00315.73
7.1.190.0040.01215.68
7.1.180.0040.00415.84
7.1.170.0030.01015.49
7.1.160.0040.00415.86
7.1.150.0030.01015.79
7.1.140.0070.00715.66
7.1.130.0070.00415.57
7.1.120.0060.00615.80
7.1.110.0000.01615.88
7.1.100.0060.00616.70
7.1.90.0000.01115.73
7.1.80.0050.00315.88
7.1.70.0070.00316.44
7.1.60.0080.01217.58
7.1.50.0110.00616.38
7.1.40.0030.01215.70
7.1.30.0000.01415.70
7.1.20.0100.00715.73
7.1.10.0080.00315.62
7.1.00.0070.04018.88
7.0.310.0040.00815.15
7.0.300.0000.00815.13
7.0.290.0060.00915.32
7.0.280.0040.00415.45
7.0.270.0000.00915.41
7.0.260.0090.00315.02
7.0.250.0040.00715.34
7.0.240.0000.00815.33
7.0.230.0060.00315.38
7.0.220.0030.00915.32
7.0.210.0030.00915.27
7.0.200.0030.00616.05
7.0.190.0030.00515.26
7.0.180.0030.00715.39
7.0.170.0040.00415.46
7.0.160.0080.00415.40
7.0.150.0030.00715.24
7.0.140.0020.04118.68
7.0.130.0070.00615.33
7.0.120.0030.00615.45
7.0.110.0070.00315.35
7.0.100.0100.00015.33
7.0.90.0050.00515.45
7.0.80.0000.01015.04
7.0.70.0070.00415.55
7.0.60.0060.03817.49
7.0.50.0060.03016.64
7.0.40.0050.04916.71
7.0.30.0170.02316.84
7.0.20.0150.02616.88
7.0.10.0070.02716.79
7.0.00.0030.04316.61
5.6.380.0040.00414.61
5.6.370.0070.00714.35
5.6.360.0100.00314.56
5.6.350.0100.00314.45
5.6.340.0000.01114.11
5.6.330.0070.00314.63
5.6.320.0030.00614.17
5.6.310.0000.01014.12
5.6.300.0060.00613.97
5.6.290.0090.00014.32
5.6.280.0000.04317.52
5.6.270.0100.00014.28
5.6.260.0040.00814.43
5.6.250.0060.00314.24
5.6.240.0090.00314.63
5.6.230.0070.00714.64
5.6.220.0080.00614.62
5.6.210.0000.02617.47
5.6.200.0070.03316.21
5.6.190.0090.04417.67
5.6.180.0180.02617.32
5.6.170.0220.02317.29
5.6.160.0070.04517.50
5.6.150.0080.04016.21
5.6.140.0080.04216.22
5.6.130.0030.02716.18
5.6.120.0050.02517.59
5.6.110.0080.03817.71
5.6.100.0100.04217.55
5.6.90.0070.04217.55
5.6.80.0070.02117.39
5.6.70.0140.03917.43
5.6.60.0080.00414.53
5.6.50.0070.00714.07
5.6.40.0080.00414.14
5.6.30.0070.00714.12
5.6.20.0040.01114.28
5.6.10.0070.00714.18
5.6.00.0030.01014.36
5.5.380.0070.00412.79
5.5.370.0040.00712.79
5.5.360.0000.00712.79
5.5.350.0120.04716.60
5.5.340.0030.04315.43
5.5.330.0050.02216.61
5.5.320.0150.02616.52
5.5.310.0150.02216.57
5.5.300.0050.03815.39
5.5.290.0080.03815.44
5.5.280.0080.02716.82
5.5.270.0020.02516.87
5.5.260.0050.03916.78
5.5.250.0090.04216.74
5.5.240.0050.04116.49
5.5.230.0070.00012.79
5.5.220.0000.01112.79
5.5.210.0050.00012.79
5.5.200.0040.00412.79
5.5.190.0030.00312.79
5.5.180.0000.00612.79
5.5.170.0000.01514.36
5.5.160.0060.00612.79
5.5.150.0070.00312.79
5.5.140.0040.00412.79
5.5.130.0060.00312.79
5.5.120.0000.01212.79
5.5.110.0050.00512.79
5.5.100.0000.00612.79
5.5.90.0030.00612.79
5.5.80.0030.00612.79
5.5.70.0110.00012.79
5.5.60.0000.01312.79
5.5.50.0030.00312.79
5.5.40.0040.00412.79
5.5.30.0040.00812.79
5.5.20.0000.00612.79
5.5.10.0000.01212.79
5.5.00.0090.00312.79
5.4.450.0560.02516.12
5.4.440.0430.02116.12
5.4.430.0380.02016.10
5.4.420.0100.02716.05
5.4.410.0080.02715.82
5.4.400.0140.03715.71
5.4.390.0200.03015.71
5.4.380.0080.02815.77
5.4.370.0060.02915.66
5.4.360.0050.03115.66
5.4.350.0060.02312.41
5.4.340.0070.02512.40
5.4.330.0040.00812.79
5.4.320.0070.01912.65
5.4.310.0050.02612.64
5.4.300.0040.02112.65
5.4.290.0060.02212.64
5.4.280.0060.02012.60
5.4.270.0070.01912.59
5.4.260.0040.02412.59
5.4.250.0030.02412.59
5.4.240.0070.01912.60
5.4.230.0050.01912.59
5.4.220.0040.02212.59
5.4.210.0060.01912.59
5.4.200.0030.02312.59
5.4.190.0080.01812.59
5.4.180.0040.02212.59
5.4.170.0070.01912.60
5.4.160.0090.01712.59
5.4.150.0040.02112.59
5.4.140.0050.02012.43
5.4.130.0070.01912.42
5.4.120.0030.02212.41
5.4.110.0090.02412.40
5.4.100.0080.01812.40
5.4.90.0030.02212.40
5.4.80.0040.02112.40
5.4.70.0050.02112.40
5.4.60.0050.02112.40
5.4.50.0050.02112.40
5.4.40.0080.01812.39
5.4.30.0040.02612.39
5.4.20.0050.01912.39
5.4.10.0070.01912.39
5.4.00.0030.02412.14
5.3.290.0050.02312.79
5.3.280.0050.02212.75
5.3.270.0040.02112.76
5.3.260.0050.02212.75
5.3.250.0040.02312.75
5.3.240.0020.02412.76
5.3.230.0060.01912.75
5.3.220.0040.02312.73
5.3.210.0070.02112.73
5.3.200.0080.01912.73
5.3.190.0030.02412.73
5.3.180.0050.02112.73
5.3.170.0070.01612.73
5.3.160.0050.02212.73
5.3.150.0020.02312.73
5.3.140.0060.02112.72
5.3.130.0060.02612.72
5.3.120.0040.02412.72
5.3.110.0030.02212.72
5.3.100.0060.01912.46
5.3.90.0040.02012.45
5.3.80.0050.01912.44
5.3.70.0060.02012.44
5.3.60.0030.02312.44
5.3.50.0050.02112.41
5.3.40.0040.02112.41
5.3.30.0080.01712.39
5.3.20.0080.01712.28
5.3.10.0020.02112.26
5.3.00.0060.02012.26
5.2.170.0040.01811.01
5.2.160.0060.01511.01
5.2.150.0070.01511.01
5.2.140.0020.01811.01
5.2.130.0030.01610.99
5.2.120.0030.01710.99
5.2.110.0050.01410.99
5.2.100.0080.01310.98
5.2.90.0040.01710.99
5.2.80.0050.01510.98
5.2.70.0060.01710.99
5.2.60.0040.02210.96
5.2.50.0060.01510.94
5.2.40.0020.01710.93
5.2.30.0040.01710.92
5.2.20.0050.01410.92
5.2.10.0080.01410.87
5.2.00.0020.02110.80
5.1.60.0020.01910.44
5.1.50.0030.01610.44
5.1.40.0050.01310.43
5.1.30.0030.01510.61
5.1.20.0030.01810.62
5.1.10.0010.01910.48
5.1.00.0040.01510.48
5.0.50.0030.0129.72
5.0.40.0040.0109.65
5.0.30.0040.0179.55
5.0.20.0050.0119.54
5.0.10.0050.0139.53
5.0.00.0040.0159.52
4.4.90.0030.0148.78
4.4.80.0040.0118.77
4.4.70.0040.0088.77
4.4.60.0020.0108.77
4.4.50.0020.0108.78
4.4.40.0010.0178.75
4.4.30.0020.0098.77
4.4.20.0020.0118.82
4.4.10.0030.0108.82
4.4.00.0010.0168.78
4.3.110.0040.0098.73
4.3.100.0010.0118.73
4.3.90.0040.0078.71
4.3.80.0020.0158.69
4.3.70.0030.0098.71
4.3.60.0010.0108.71
4.3.50.0030.0098.71
4.3.40.0040.0138.66
4.3.30.0050.0078.04
4.3.20.0030.0098.04
4.3.10.0010.0108.01
4.3.00.0170.01214.38

preferences:
48.92 ms | 401 KiB | 5 Q