3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} $a = null; $f = new Foo($a = 123); var_dump($a); class Bar { function __constructor(){} } $b = null; $g = new Bar($b = 123); var_dump($b); class Baz { function __constructor($x){$x;} } $c = null; $h = new Baz($c = 123); var_dump($c);

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)
8.3.60.0180.00318.56
8.3.50.0100.00821.99
8.3.40.0040.01118.67
8.3.30.0100.00320.18
8.3.20.0000.00720.21
8.3.10.0040.00421.96
8.3.00.0060.00322.31
8.2.180.0130.00616.75
8.2.170.0110.00422.96
8.2.160.0070.00722.26
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0030.00526.16
8.2.120.0080.00020.79
8.2.110.0030.00622.08
8.2.100.0000.01217.59
8.2.90.0050.00319.15
8.2.80.0050.00319.27
8.2.70.0000.00817.63
8.2.60.0030.00518.04
8.2.50.0000.00818.07
8.2.40.0000.00818.16
8.2.30.0040.00419.35
8.2.20.0050.00517.52
8.2.10.0040.00417.58
8.2.00.0040.00417.58
8.1.280.0110.00725.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0030.00528.09
8.1.240.0000.00923.96
8.1.230.0080.00319.17
8.1.220.0040.00417.77
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0050.00317.38
8.1.180.0050.00319.01
8.1.170.0000.00918.52
8.1.160.0060.00618.82
8.1.150.0070.00318.67
8.1.140.0040.00417.37
8.1.130.0030.00317.38
8.1.120.0040.00417.38
8.1.110.0080.00017.35
8.1.100.0030.00317.34
8.1.90.0030.00317.39
8.1.80.0070.00017.29
8.1.70.0030.00517.28
8.1.60.0080.00017.48
8.1.50.0070.00017.37
8.1.40.0050.00217.48
8.1.30.0040.00417.55
8.1.20.0040.00417.48
8.1.10.0000.00817.46
8.1.00.0040.00417.37
8.0.300.0050.00218.77
8.0.290.0030.00616.93
8.0.280.0000.00718.23
8.0.270.0030.00317.18
8.0.260.0000.00616.67
8.0.250.0030.00316.79
8.0.240.0060.00316.78
8.0.230.0000.00716.84
8.0.220.0000.00716.83
8.0.210.0030.00416.88
8.0.200.0030.00316.89
8.0.190.0000.00816.86
8.0.180.0070.00016.90
8.0.170.0030.00516.83
8.0.160.0050.00316.84
8.0.150.0000.00716.80
8.0.140.0000.00716.68
8.0.130.0000.00613.32
8.0.120.0000.00816.71
8.0.110.0070.00016.66
8.0.100.0040.00416.73
8.0.90.0000.00716.64
8.0.80.0060.00916.73
8.0.70.0070.00016.93
8.0.60.0070.00016.89
8.0.50.0040.00416.64
8.0.30.0080.01116.95
8.0.20.0090.00917.40
8.0.10.0050.00316.72
8.0.00.0110.01016.69
7.4.330.0050.00015.08
7.4.320.0030.00316.52
7.4.300.0030.00316.35
7.4.290.0000.00716.54
7.4.280.0000.00716.37
7.4.270.0040.00416.46
7.4.260.0030.00313.19
7.4.250.0040.00416.39
7.4.240.0030.00316.51
7.4.230.0000.00716.62
7.4.220.0000.01716.54
7.4.210.0060.00916.44
7.4.200.0040.00316.25
7.4.190.0030.00316.29
7.4.160.0120.00316.49
7.4.150.0070.01017.40
7.4.140.0130.00717.86
7.4.130.0110.00816.37
7.4.120.0060.01116.52
7.4.110.0060.01016.39
7.4.100.0110.00816.34
7.4.90.0100.00716.34
7.4.80.0100.00719.39
7.4.70.0070.01016.39
7.4.60.0080.00816.41
7.4.50.0080.00016.50
7.4.40.0100.00622.77
7.4.30.0080.00816.32
7.4.00.0070.01014.65
7.3.330.0000.00512.95
7.3.320.0030.00312.93
7.3.310.0030.00316.10
7.3.300.0030.00316.18
7.3.290.0060.01316.05
7.3.280.0090.01116.16
7.3.270.0070.01117.40
7.3.260.0090.00816.43
7.3.250.0130.00516.26
7.3.240.0070.01016.18
7.3.230.0110.00616.39
7.3.210.0110.00816.43
7.3.200.0030.01419.39
7.3.190.0060.01416.14
7.3.180.0090.00616.23
7.3.170.0120.00316.27
7.3.160.0110.00516.16
7.3.120.0040.01314.66
7.3.110.0030.00914.84
7.3.100.0090.00314.38
7.3.90.0000.01614.89
7.3.80.0000.01014.84
7.3.70.0100.00314.56
7.3.60.0040.01214.56
7.3.50.0030.01114.47
7.3.40.0080.00414.75
7.3.30.0090.00614.65
7.3.20.0040.01116.71
7.3.10.0060.00616.52
7.3.00.0060.00616.50
7.2.330.0000.01716.45
7.2.320.0090.00916.25
7.2.310.0130.00316.59
7.2.300.0060.00916.39
7.2.290.0170.00016.52
7.2.250.0070.01415.14
7.2.240.0120.00614.55
7.2.230.0100.00714.83
7.2.220.0090.00614.91
7.2.210.0090.00614.80
7.2.200.0040.00914.86
7.2.190.0030.01014.91
7.2.180.0040.00715.01
7.2.170.0000.01214.82
7.2.60.0040.00717.05
7.1.330.0040.01115.32
7.1.320.0070.00715.61
7.1.310.0070.00415.79
7.1.300.0090.00615.48
7.1.290.0040.00415.56
7.1.280.0060.00615.62
7.1.270.0040.01115.84
7.1.260.0000.01215.40
7.1.200.0000.01415.68
7.1.70.0060.00916.96
7.1.60.0110.01519.32
7.1.50.0110.00716.56
7.1.00.0030.03322.36
7.0.200.0070.00316.48
7.0.140.0200.06022.00
7.0.60.0100.08020.07
7.0.50.0030.05317.87
7.0.40.0030.09020.18
7.0.30.0330.05320.33
7.0.20.0300.07720.08
7.0.10.0170.07320.19
7.0.00.0130.08320.20
5.6.280.0000.07721.05
5.6.210.0100.08020.63
5.6.200.0130.07018.25
5.6.190.0070.04720.52
5.6.180.0270.06320.61
5.6.170.0370.06720.39
5.6.160.0170.05320.52
5.6.150.0070.05318.12
5.6.140.0200.06018.15
5.6.130.0170.07318.19
5.6.120.0030.08321.16
5.6.110.0070.08720.87
5.6.100.0070.07720.99
5.6.90.0130.08021.09
5.6.80.0030.05720.52
5.6.70.3530.04320.40
5.5.350.0030.09320.37
5.5.340.0100.03718.03
5.5.330.0030.09020.38
5.5.320.0300.03720.51
5.5.310.0200.05720.27
5.5.300.0030.04017.95
5.5.290.0030.04017.98
5.5.280.0130.07320.95
5.5.270.0000.06720.77
5.5.260.0130.05320.77
5.5.250.0130.07020.67
5.5.240.0000.08320.25
5.4.450.0230.07319.18
5.4.440.0300.04319.50
5.4.430.0230.06719.52
5.4.420.0230.07319.40
5.4.410.0230.06019.07
5.4.400.0300.06319.07
5.4.390.0270.06719.08
5.4.380.0230.03319.22
5.4.370.0330.04719.07
5.4.360.0230.05319.24
5.4.350.0200.05019.25
5.4.340.0230.04719.20
5.4.320.0400.06018.99
5.4.310.0230.07019.23
5.4.300.0230.03719.19
5.4.290.0030.05718.98
5.4.280.0230.05019.19
5.4.270.0170.07319.07
5.4.260.0170.05719.06
5.4.250.0200.05719.13
5.4.240.0200.08018.94
5.4.230.0270.06018.86
5.4.220.0200.07319.16
5.4.210.0270.05318.84
5.4.200.0200.04018.94
5.4.190.0270.03019.14
5.4.180.0230.04719.00
5.4.170.0130.05319.08
5.4.160.0270.04318.96
5.4.150.0170.06718.84
5.4.140.0170.06016.42
5.4.130.0200.03316.39
5.4.120.0130.06016.55
5.4.110.0170.04316.61
5.4.100.0300.04016.60
5.4.90.0230.07016.56
5.4.80.0300.03316.59
5.4.70.0230.06016.60
5.4.60.0330.06016.52
5.4.50.0170.04716.51
5.4.40.0300.05316.57
5.4.30.0230.06716.43
5.4.20.0230.05316.43
5.4.10.0330.04716.51
5.4.00.0170.07715.82
5.3.290.0230.06314.83
5.3.280.0170.06714.59
5.3.270.0200.05014.69
5.3.260.0270.07714.83
5.3.250.0230.06014.72
5.3.240.0230.04014.69
5.3.230.0170.07714.52
5.3.220.0270.07014.48
5.3.210.0270.06314.48
5.3.200.0230.07014.49
5.3.190.0230.05014.55
5.3.180.0270.06314.56
5.3.170.0300.06314.50
5.3.160.0200.06314.60
5.3.150.0100.06014.58
5.3.140.0230.03014.49
5.3.130.0230.04314.56
5.3.120.0230.06014.46
5.3.110.0200.05014.46
5.3.100.0230.06714.20
5.3.90.0200.07713.95
5.3.80.0230.07313.92
5.3.70.0230.04013.92
5.3.60.0230.07014.16
5.3.50.0200.05313.87
5.3.40.0230.07013.87
5.3.30.0270.06013.82
5.3.20.0330.06313.70
5.3.10.0270.06713.75
5.3.00.0270.06013.62
5.2.170.0230.05013.22
5.2.160.0130.06313.22
5.2.150.0130.05013.22
5.2.140.0170.03313.22
5.2.130.0300.02013.22
5.2.120.0130.03713.22
5.2.110.0170.05013.22
5.2.100.0200.06013.22
5.2.90.0170.05013.22
5.2.80.0170.03713.22
5.2.70.0200.04713.22
5.2.60.0070.04313.22
5.2.50.0300.04713.22
5.2.40.0230.03013.22
5.2.30.0170.05713.22
5.2.20.0170.03713.22
5.2.10.0130.05713.22
5.2.00.0130.05713.22
5.1.60.0030.03313.22
5.1.50.0100.03013.22
5.1.40.0100.04013.22
5.1.30.0130.02313.22
5.1.20.0100.02713.22
5.1.10.0170.02313.22
5.1.00.0130.02013.22
5.0.50.0070.01713.22
5.0.40.0100.03713.22
5.0.30.0030.03013.22
5.0.20.0070.02313.22
5.0.10.0030.02013.22
5.0.00.0030.03013.22
4.4.90.0100.03713.22
4.4.80.0070.01713.22
4.4.70.0100.01313.22
4.4.60.0070.02013.22
4.4.50.0100.02313.22
4.4.40.0070.02713.22
4.4.30.0100.02713.22
4.4.20.0070.01313.22
4.4.10.0030.02013.22
4.4.00.0070.02713.22
4.3.110.0070.01713.22
4.3.100.0000.02013.22
4.3.90.0030.02013.22
4.3.80.0030.02713.22
4.3.70.0070.01313.22
4.3.60.0000.02013.22
4.3.50.0100.01313.22
4.3.40.0030.03013.22
4.3.30.0000.01713.22
4.3.20.0030.01713.22
4.3.10.0070.01313.22
4.3.00.0000.01713.22

preferences:
46.27 ms | 401 KiB | 5 Q