3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { private $action = 'a'; } class b extends a { public function __construct() { $this->action = 'b'; print $this->action; } public function test() { print PHP_EOL; print $this->action; } } $b = new b; $b->test();

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)
8.3.60.0130.00616.50
8.3.50.0080.01022.83
8.3.40.0100.00718.84
8.3.30.0150.00019.04
8.3.20.0060.01220.01
8.3.10.0070.01120.61
8.3.00.0090.00019.38
8.2.180.0090.00918.41
8.2.170.0100.00322.96
8.2.160.0140.00022.13
8.2.150.0030.00724.18
8.2.140.0110.00724.66
8.2.130.0070.00026.16
8.2.120.0070.00417.92
8.2.110.0100.01019.27
8.2.100.0060.00618.03
8.2.90.0060.00319.70
8.2.80.0000.00817.63
8.2.70.0050.00317.50
8.2.60.0060.00618.05
8.2.50.0030.00518.07
8.2.40.0050.00319.79
8.2.30.0000.00717.90
8.2.20.0030.00517.56
8.2.10.0000.00717.98
8.2.00.0000.00717.46
8.1.280.0040.01125.92
8.1.270.0030.00620.73
8.1.260.0090.00026.35
8.1.250.0040.01228.09
8.1.240.0070.00322.52
8.1.230.0070.00420.89
8.1.220.0060.00317.74
8.1.210.0040.00418.82
8.1.200.0000.00917.23
8.1.190.0000.00817.23
8.1.180.0070.00022.13
8.1.170.0000.00818.84
8.1.160.0040.00418.71
8.1.150.0000.00718.88
8.1.140.0000.00717.30
8.1.130.0000.00717.85
8.1.120.0000.00717.29
8.1.110.0040.00417.40
8.1.100.0080.00017.39
8.1.90.0000.00717.44
8.1.80.0000.00717.37
8.1.70.0030.00317.32
8.1.60.0040.00417.56
8.1.50.0050.00217.46
8.1.40.0040.00417.43
8.1.30.0040.00417.64
8.1.20.0040.00417.66
8.1.10.0040.00417.59
8.1.00.0040.00417.51
8.0.300.0030.00320.03
8.0.290.0040.00416.75
8.0.280.0030.00718.34
8.0.270.0030.00317.26
8.0.260.0060.00017.31
8.0.250.0030.00316.84
8.0.240.0000.00716.88
8.0.230.0050.00316.91
8.0.220.0040.00416.88
8.0.210.0000.00616.84
8.0.200.0040.00416.90
8.0.190.0030.00316.87
8.0.180.0040.00316.83
8.0.170.0000.00716.91
8.0.160.0000.00816.77
8.0.150.0030.00316.67
8.0.140.0040.00416.74
8.0.130.0050.00013.24
8.0.120.0040.00416.66
8.0.110.0040.00416.71
8.0.100.0040.00416.68
8.0.90.0070.00016.66
8.0.80.0100.00716.71
8.0.70.0030.00616.66
8.0.60.0040.00416.64
8.0.50.0040.00416.88
8.0.30.0150.00417.01
8.0.20.0040.01417.40
8.0.10.0070.00016.90
8.0.00.0110.00616.83
7.4.330.0050.00015.04
7.4.320.0000.00616.53
7.4.300.0030.00316.48
7.4.290.0030.00316.55
7.4.280.0060.00316.59
7.4.270.0000.00716.58
7.4.260.0030.00316.55
7.4.250.0030.00316.47
7.4.240.0030.00516.51
7.4.230.0000.00716.55
7.4.220.0090.00916.55
7.4.210.0060.00916.55
7.4.200.0030.00316.47
7.4.160.0100.00716.71
7.4.150.0030.02117.40
7.4.140.0090.00717.86
7.4.130.0040.01316.47
7.4.120.0110.00916.42
7.4.110.0130.01016.57
7.4.100.0060.01216.42
7.4.90.0090.00916.62
7.4.80.0090.00916.46
7.4.70.0080.00816.27
7.4.60.0090.00616.58
7.4.50.0000.00816.39
7.4.40.0030.01316.41
7.4.30.0120.00616.45
7.4.00.0070.00715.10
7.3.330.0000.00713.26
7.3.320.0000.00613.30
7.3.310.0070.00016.33
7.3.300.0040.00416.18
7.3.290.0080.00616.30
7.3.280.0070.01216.24
7.3.270.0000.01917.40
7.3.260.0130.00316.57
7.3.250.0090.01016.39
7.3.240.0030.01316.50
7.3.230.0060.01016.39
7.3.210.0040.01416.45
7.3.200.0100.00719.39
7.3.190.0090.01216.48
7.3.180.0000.01916.53
7.3.170.0090.00816.38
7.3.160.0130.00316.49
7.2.330.0110.00716.70
7.2.320.0060.01316.55
7.2.310.0100.01316.61
7.2.300.0090.00916.88
7.2.290.0100.01216.77
7.2.60.0120.00317.09
7.2.00.0090.00619.48
7.1.200.0040.00815.65
7.1.100.0000.01118.14
7.1.70.0000.00717.22
7.1.60.0090.01619.34
7.1.50.0100.01316.86
7.1.00.0030.07722.29
7.0.200.0190.00316.80
7.0.140.0030.06722.02
7.0.60.0000.04720.07
7.0.50.0130.07317.86
7.0.40.0100.03720.26
7.0.30.0300.07720.13
7.0.20.0300.08020.05
7.0.10.0070.08720.24
7.0.00.0070.06320.06
5.6.280.0030.07020.90
5.6.210.0070.05020.67
5.6.200.0130.07018.28
5.6.190.0100.08020.57
5.6.180.0030.08020.50
5.6.170.0270.03720.55
5.6.160.0070.04320.52
5.6.150.0000.04718.15
5.6.140.0270.02718.27
5.6.130.0000.05018.26
5.6.120.0070.08021.10
5.6.110.0070.08720.96
5.6.100.0100.05720.89
5.6.90.0070.08721.00
5.6.80.0130.06020.52
5.5.350.0200.08320.41
5.5.340.0030.04718.09
5.5.330.0070.04020.28
5.5.320.0270.07020.31
5.5.310.0330.06720.51
5.5.300.0030.04017.96
5.5.290.0170.04317.98
5.5.280.0100.08320.77
5.5.270.0100.03720.87
5.5.260.0100.08020.73
5.5.250.0170.05720.50
5.5.240.0270.06320.16
5.4.450.0870.06019.55
5.4.440.0930.05319.32
5.4.430.0830.05319.46
5.4.420.0030.07719.52
5.4.410.0170.05019.21
5.4.400.0330.05718.82
5.4.390.0100.05718.72
5.4.380.0200.06318.57
5.4.370.0200.06018.44
5.4.360.0270.06018.80
5.4.350.0080.05012.02
5.4.340.0100.03912.02
5.4.320.0070.04812.50
5.4.310.0120.04612.50
5.4.300.0060.04612.50
5.4.290.0110.05112.50
5.4.280.0100.04512.39
5.4.270.0060.04512.39
5.4.260.0100.03912.40
5.4.250.0130.04212.39
5.4.240.0080.06812.40
5.4.230.0100.04112.39
5.4.220.0110.04912.39
5.4.210.0100.04512.39
5.4.200.0130.05112.39
5.4.190.0100.05512.39
5.4.180.0110.04712.39
5.4.170.0060.04912.40
5.4.160.0090.03912.39
5.4.150.0040.04712.39
5.4.140.0100.04812.07
5.4.130.0050.04212.06
5.4.120.0080.04212.02
5.4.110.0060.04112.02
5.4.100.0060.04412.02
5.4.90.0090.04512.02
5.4.80.0070.05312.02
5.4.70.0060.05212.02
5.4.60.0060.05312.01
5.4.50.0080.05112.01
5.4.40.0080.04812.00
5.4.30.0060.04812.00
5.4.20.0060.05012.00
5.4.10.0060.05012.00
5.4.00.0050.05111.48
5.3.290.0070.05412.80
5.3.280.0090.04812.71
5.3.270.0040.05612.73
5.3.260.0070.05312.72
5.3.250.0100.04912.72
5.3.240.0080.05112.72
5.3.230.0130.04512.71
5.3.220.0110.06812.68
5.3.210.0070.05412.68
5.3.200.0090.04912.68
5.3.190.0090.04812.68
5.3.180.0070.05012.67
5.3.170.0070.05112.67
5.3.160.0110.04812.68
5.3.150.0070.06012.67
5.3.140.0090.05012.66
5.3.130.0090.05112.66
5.3.120.0100.05112.65
5.3.110.0090.05612.66
5.3.100.0060.05312.12
5.3.90.0080.04712.11
5.3.80.0060.04412.09
5.3.70.0070.04712.10
5.3.60.0120.04812.08
5.3.50.0100.04612.04
5.3.40.0070.04012.02
5.3.30.0100.03611.99
5.3.20.0120.04111.76
5.3.10.0090.04611.73
5.3.00.0090.04911.71
5.2.170.0090.0499.22
5.2.160.0080.0499.21
5.2.150.0050.0409.22
5.2.140.0060.0369.21
5.2.130.0080.0339.18
5.2.120.0090.0329.18
5.2.110.0110.0339.19
5.2.100.0090.0359.18
5.2.90.0060.0389.18
5.2.80.0080.0349.18
5.2.70.0060.0349.17
5.2.60.0050.0409.13
5.2.50.0030.0409.10
5.2.40.0110.0309.08
5.2.30.0100.0319.05
5.2.20.0100.0349.04
5.2.10.0080.0378.95
5.2.00.0100.0368.81
5.1.60.0040.0338.09
5.1.50.0070.0318.09
5.1.40.0080.0438.06
5.1.30.0090.0328.42
5.1.20.0060.0288.43
5.1.10.0070.0288.17
5.1.00.0040.0358.16
5.0.50.0050.0246.64
5.0.40.0040.0246.50
5.0.30.0010.0436.31
5.0.20.0090.0226.28
5.0.10.0040.0276.26
5.0.00.0030.0406.26
4.4.90.0060.0194.78
4.4.80.0030.0214.75
4.4.70.0080.0174.75
4.4.60.0070.0174.76
4.4.50.0050.0204.77
4.4.40.0060.0304.71
4.4.30.0040.0174.76
4.4.20.0060.0144.84
4.4.10.0030.0174.85
4.4.00.0080.0274.76
4.3.110.0070.0264.66
4.3.100.0030.0234.67
4.3.90.0040.0214.63
4.3.80.0020.0334.59
4.3.70.0040.0204.63
4.3.60.0030.0214.63
4.3.50.0050.0214.63
4.3.40.0050.0314.54
4.3.30.0020.0223.30
4.3.20.0020.0223.28
4.3.10.0010.0233.23
4.3.00.0030.0207.27

preferences:
53.51 ms | 401 KiB | 5 Q