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){} } $c = null; $h = new Bar($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)
8.3.70.0100.01016.75
8.3.60.0080.00818.43
8.3.50.0080.00821.27
8.3.40.0120.00318.54
8.3.30.0030.01020.35
8.3.20.0070.00020.34
8.3.10.0100.00021.96
8.3.00.0040.00422.40
8.2.180.0140.00016.63
8.2.170.0140.00022.96
8.2.160.0070.00722.31
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00020.62
8.2.110.0070.00322.20
8.2.100.0040.00717.72
8.2.90.0000.00719.09
8.2.80.0000.00719.39
8.2.70.0000.00817.21
8.2.60.0050.00317.91
8.2.50.0000.00918.07
8.2.40.0000.00918.03
8.2.30.0080.00019.45
8.2.20.0000.00717.63
8.2.10.0030.00517.72
8.2.00.0000.00817.72
8.1.280.0060.01225.92
8.1.270.0050.00223.99
8.1.260.0140.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.79
8.1.230.0040.00719.01
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0050.00317.41
8.1.180.0040.00418.89
8.1.170.0060.00318.65
8.1.160.0100.00018.80
8.1.150.0000.01218.55
8.1.140.0040.00417.30
8.1.130.0030.00317.72
8.1.120.0000.00717.37
8.1.110.0030.00617.37
8.1.100.0070.00017.39
8.1.90.0050.00317.28
8.1.80.0040.00417.39
8.1.70.0080.00017.34
8.1.60.0030.00617.49
8.1.50.0040.00417.48
8.1.40.0050.00217.41
8.1.30.0070.00017.51
8.1.20.0050.00317.48
8.1.10.0000.00817.53
8.1.00.0000.00717.36
8.0.300.0070.00018.77
8.0.290.0080.00017.04
8.0.280.0040.00418.33
8.0.270.0040.00417.06
8.0.260.0040.00416.79
8.0.250.0000.00716.92
8.0.240.0060.00316.91
8.0.230.0000.00716.92
8.0.220.0030.00516.72
8.0.210.0000.00716.77
8.0.200.0030.00316.76
8.0.190.0060.00316.90
8.0.180.0070.00016.74
8.0.170.0040.00416.72
8.0.160.0030.00316.68
8.0.150.0000.00716.62
8.0.140.0030.00316.63
8.0.130.0000.00513.29
8.0.120.0000.00716.81
8.0.110.0040.00416.67
8.0.100.0000.00716.86
8.0.90.0050.00216.82
8.0.80.0130.01016.85
8.0.70.0000.00716.80
8.0.60.0000.00716.70
8.0.50.0040.00416.78
8.0.30.0140.00617.09
8.0.20.0110.00817.40
8.0.10.0000.00816.82
8.0.00.0120.00916.68
7.4.330.0050.00015.00
7.4.320.0060.00016.38
7.4.300.0000.00616.49
7.4.290.0000.00716.47
7.4.280.0030.00316.38
7.4.270.0030.00316.45
7.4.260.0000.00613.14
7.4.250.0050.00316.41
7.4.240.0030.00416.45
7.4.230.0030.00316.55
7.4.220.0130.01016.52
7.4.210.0120.00516.53
7.4.200.0000.00716.55
7.4.190.0000.00716.62
7.4.160.0040.01216.18
7.4.150.0060.01217.40
7.4.140.0130.00917.86
7.4.130.0090.00816.47
7.4.120.0080.00916.33
7.4.110.0100.01016.28
7.4.100.0070.01416.40
7.4.90.0080.00816.32
7.4.80.0100.00719.39
7.4.70.0000.01616.44
7.4.60.0130.00916.41
7.4.50.0000.00916.40
7.4.40.0030.01422.77
7.4.30.0080.00816.44
7.4.00.0130.00315.09
7.3.330.0050.00012.99
7.3.320.0020.00312.98
7.3.310.0070.00016.02
7.3.300.0000.00716.05
7.3.290.0090.00416.13
7.3.280.0110.00716.17
7.3.270.0120.00617.40
7.3.260.0100.00716.52
7.3.250.0100.01016.17
7.3.240.0030.01316.15
7.3.230.0080.00816.39
7.3.210.0110.01116.21
7.3.200.0050.01119.39
7.3.190.0060.01316.16
7.3.180.0080.00816.57
7.3.170.0100.00616.27
7.3.160.0090.00616.20
7.3.120.0030.01014.53
7.3.10.0080.00516.29
7.3.00.0020.01116.45
7.2.330.0030.01416.57
7.2.320.0030.01316.32
7.2.310.0100.00616.54
7.2.300.0130.00316.65
7.2.290.0150.00416.34
7.2.130.0020.01116.82
7.2.120.0070.00316.75
7.2.110.0030.00716.88
7.2.100.0060.00616.97
7.2.90.0020.00816.64
7.2.80.0050.00816.93
7.2.70.0020.00816.75
7.2.60.0060.00616.69
7.2.50.0030.00916.93
7.2.40.0090.00316.94
7.2.30.0090.00316.87
7.2.20.0060.00616.65
7.2.10.0050.00716.71
7.2.00.0060.00817.74
7.1.250.0030.00915.43
7.1.200.0070.00715.74
7.1.100.0040.00817.73
7.1.70.0030.00617.08
7.1.60.0130.01319.32
7.1.50.0110.01416.86
7.1.00.0000.03722.44
7.0.200.0030.00916.82
7.0.140.0000.07021.92
7.0.60.0130.08019.90
7.0.50.0100.07717.97
7.0.40.0100.08720.20
7.0.30.0370.04720.17
7.0.20.0370.07320.24
7.0.10.0000.09320.17
7.0.00.0170.07720.23
5.6.280.0030.07320.93
5.6.210.0070.07720.77
5.6.200.0030.08018.18
5.6.190.0070.06020.50
5.6.180.0500.06720.55
5.6.170.0300.08320.44
5.6.160.0070.08320.57
5.6.150.0030.08718.23
5.6.140.0070.08018.21
5.6.130.0100.08018.28
5.6.120.0100.08321.10
5.6.110.0070.04021.09
5.6.100.0030.05721.05
5.6.90.0170.06020.98
5.6.80.0070.08020.49
5.5.350.0170.08320.41
5.5.340.0070.08717.98
5.5.330.0130.08020.29
5.5.320.0070.07320.32
5.5.310.0300.06720.32
5.5.300.0100.07717.93
5.5.290.0000.09018.01
5.5.280.0170.07320.77
5.5.270.0130.08020.65
5.5.260.0070.08020.66
5.5.250.0130.07020.55
5.5.240.0270.06720.28
5.4.450.3330.04019.39
5.4.440.3600.03319.54
5.4.430.3370.04319.56
5.4.420.4100.04319.54
5.4.410.4100.03719.36
5.4.400.3230.04318.86
5.4.390.4100.04319.22
5.4.380.4030.04019.16
5.4.370.3670.03718.88
5.4.360.3570.04318.87
5.4.350.3570.04019.15
5.4.340.3230.03719.06
5.4.320.3630.03719.22
5.4.310.3730.02719.09
5.4.300.3430.03319.14
5.4.290.3130.04319.22
5.4.280.3400.03719.08
5.4.270.3400.04319.21
5.4.260.3330.03318.96
5.4.250.3570.03718.96
5.4.240.3300.03319.13
5.4.230.3770.03319.08
5.4.220.3900.04019.07
5.4.210.4030.03719.09
5.4.200.4470.04319.23
5.4.190.4270.03318.84
5.4.180.4500.03319.05
5.4.170.3670.04719.12
5.4.160.3930.03319.06
5.4.150.3670.03719.19
5.4.140.4270.03716.41
5.4.130.3330.03316.38
5.4.120.3530.04316.35
5.4.110.3500.03716.59
5.4.100.4000.02716.31
5.4.90.3600.03716.24
5.4.80.4100.04016.38
5.4.70.3500.03316.28
5.4.60.3630.03716.34
5.4.50.3900.03316.48
5.4.40.3200.03716.54
5.4.30.3600.03316.52
5.4.20.3570.03016.52
5.4.10.3430.03716.53
5.4.00.4100.03015.90
5.3.290.3670.04314.57
5.3.280.3330.03714.52
5.3.270.3970.03714.54
5.3.260.4030.04014.61
5.3.250.4370.04014.77
5.3.240.3700.04014.70
5.3.230.3600.04314.50
5.3.220.3800.03014.54
5.3.210.3700.04314.59
5.3.200.3300.03714.80
5.3.190.4170.03314.55
5.3.180.4200.04014.57
5.3.170.3500.03714.73
5.3.160.3470.04014.65
5.3.150.3400.03714.64
5.3.140.3470.04014.46
5.3.130.3330.04014.47
5.3.120.3070.03714.45
5.3.110.3900.03014.57
5.3.100.3500.03713.95
5.3.90.3030.03714.25
5.3.80.3200.04314.03
5.3.70.3670.03714.04
5.3.60.3330.03713.93
5.3.50.4130.03713.88
5.3.40.3430.03713.89
5.3.30.3270.03013.96
5.3.20.4270.03713.86
5.3.10.3670.03013.62
5.3.00.4170.03013.80
5.2.170.3400.03011.31
5.2.160.3130.03011.20
5.2.150.3000.03011.05
5.2.140.3430.03011.38
5.2.130.3670.02011.05
5.2.120.3670.02011.02
5.2.110.3500.03311.02
5.2.100.3230.03011.23
5.2.90.3100.03011.02
5.2.80.3430.03311.15
5.2.70.3600.03311.26
5.2.60.3270.03011.17
5.2.50.3700.02711.18
5.2.40.2870.03010.91
5.2.30.2930.02710.89
5.2.20.2670.03010.93
5.2.10.2730.02710.94
5.2.00.2630.03310.64
5.1.60.2770.0279.89
5.1.50.2230.0279.93
5.1.40.2200.0339.92
5.1.30.2670.02010.34
5.1.20.2230.03010.52
5.1.10.2400.0209.96
5.1.00.2430.03010.06
5.0.50.1100.0208.51
5.0.40.1570.0238.47
5.0.30.1370.0308.21
5.0.20.1400.0208.29
5.0.10.1400.0238.18
5.0.00.1530.0278.15
4.4.90.1870.0175.85
4.4.80.1670.0175.77
4.4.70.1430.0175.80
4.4.60.1130.0175.84
4.4.50.1400.0135.90
4.4.40.1300.0235.84
4.4.30.1400.0105.94
4.4.20.1400.0135.87
4.4.10.1170.0135.84
4.4.00.1270.0305.84
4.3.110.1670.0175.78
4.3.100.1700.0175.80
4.3.90.1600.0135.73
4.3.80.1330.0235.75
4.3.70.1370.0135.71
4.3.60.1670.0175.80
4.3.50.1570.0135.75
4.3.40.1370.0235.68
4.3.30.0670.0174.79
4.3.20.0700.0174.79
4.3.10.0700.0134.79
4.3.00.0930.0134.79

preferences:
36.75 ms | 401 KiB | 5 Q