3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=1; $b=&$a; $c=(++$a)+(++$a)+(++$a); echo $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)
8.3.60.0120.00316.38
8.3.50.0060.01218.05
8.3.40.0090.00918.59
8.3.30.0140.00018.67
8.3.20.0000.00720.39
8.3.10.0040.00423.53
8.3.00.0040.00419.91
8.2.180.0060.00918.41
8.2.170.0070.01022.96
8.2.160.0140.00020.41
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0080.00020.91
8.2.120.0030.00526.35
8.2.110.0090.00020.32
8.2.100.0040.00717.93
8.2.90.0050.00319.09
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0000.00717.93
8.2.50.0040.00418.07
8.2.40.0000.00921.25
8.2.30.0040.00420.57
8.2.20.0030.00617.68
8.2.10.0080.00018.16
8.2.00.0040.00418.11
8.1.280.0040.01125.92
8.1.270.0100.00618.96
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0090.00022.17
8.1.230.0040.00717.91
8.1.220.0050.00317.79
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0030.00617.10
8.1.180.0070.00018.10
8.1.170.0040.00418.52
8.1.160.0000.00820.61
8.1.150.0020.00518.87
8.1.140.0030.00619.54
8.1.130.0000.00717.63
8.1.120.0000.00717.41
8.1.110.0000.00717.28
8.1.100.0040.00417.30
8.1.90.0040.00417.27
8.1.80.0040.00417.37
8.1.70.0030.00317.21
8.1.60.0040.00417.40
8.1.50.0060.00317.46
8.1.40.0000.01017.43
8.1.30.0000.00917.56
8.1.20.0040.00417.65
8.1.10.0000.00817.48
8.1.00.0000.00717.43
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.35
8.0.270.0000.00817.15
8.0.260.0000.00717.26
8.0.250.0040.00416.93
8.0.240.0000.00616.86
8.0.230.0030.00316.88
8.0.220.0000.00716.76
8.0.210.0030.00316.78
8.0.200.0000.00716.88
8.0.190.0040.00416.88
8.0.180.0050.00216.85
8.0.170.0070.00016.90
8.0.160.0050.00316.79
8.0.150.0030.00516.75
8.0.140.0000.01016.61
8.0.130.0000.00513.26
8.0.120.0070.00016.78
8.0.110.0000.00716.69
8.0.100.0000.00716.86
8.0.90.0040.00416.79
8.0.80.0050.01016.77
8.0.70.0040.00416.78
8.0.60.0040.00416.80
8.0.50.0040.00416.83
8.0.30.0050.01416.96
8.0.20.0090.00917.40
8.0.10.0030.00516.99
8.0.00.0110.00516.81
7.4.330.0020.00216.71
7.4.320.0000.00616.38
7.4.300.0050.00216.54
7.4.290.0030.00316.57
7.4.280.0040.00416.34
7.4.270.0030.00316.55
7.4.260.0030.00316.34
7.4.250.0030.00516.40
7.4.240.0020.00616.52
7.4.230.0030.00316.45
7.4.220.0030.01316.38
7.4.210.0070.01216.56
7.4.200.0040.00416.44
7.4.160.0040.01116.53
7.4.150.0090.00917.40
7.4.140.0090.01017.86
7.4.130.0070.01116.24
7.4.120.0100.00616.56
7.4.110.0140.00316.57
7.4.100.0100.01616.53
7.4.90.0090.00816.49
7.4.80.0060.01219.39
7.4.70.0040.01216.41
7.4.60.0060.00916.43
7.4.50.0060.00616.45
7.4.40.0040.01416.54
7.4.30.0100.00716.52
7.4.00.0130.00314.91
7.3.330.0000.00613.14
7.3.320.0000.00513.24
7.3.310.0070.00016.22
7.3.300.0000.00616.29
7.3.290.0030.00316.29
7.3.280.0040.01016.26
7.3.270.0190.00817.40
7.3.260.0100.00716.27
7.3.240.0110.00816.36
7.3.230.0070.01116.69
7.3.210.0160.00016.54
7.3.200.0100.00616.57
7.3.190.0030.01416.26
7.3.180.0160.00316.50
7.3.170.0100.00616.32
7.3.160.0170.00016.43
7.3.10.0070.00716.88
7.3.00.0070.00716.71
7.2.330.0120.00616.35
7.2.320.0200.00316.49
7.2.310.0060.01516.63
7.2.300.0100.00616.26
7.2.290.0090.00916.38
7.2.130.0040.00816.94
7.2.120.0000.01016.86
7.2.110.0040.00816.89
7.2.100.0090.00616.87
7.2.90.0060.00916.77
7.2.80.0040.00716.69
7.2.70.0030.00616.91
7.2.60.0050.00816.90
7.2.50.0000.01116.93
7.2.40.0040.00716.95
7.2.30.0030.00816.70
7.2.20.0040.00816.99
7.2.10.0030.01016.79
7.2.00.0050.00918.17
7.1.250.0000.01115.62
7.1.200.0090.00615.52
7.1.100.0040.00418.32
7.1.70.0000.01017.13
7.1.60.0110.01119.13
7.1.50.0070.00316.96
7.1.00.0070.07322.54
7.0.200.0030.00716.88
7.0.100.0000.04019.95
7.0.90.0200.05719.87
7.0.80.0030.04319.91
7.0.70.0130.04019.98
7.0.60.0070.04019.84
7.0.50.0130.06320.24
7.0.40.0030.04320.14
7.0.30.0030.07720.13
7.0.20.0000.08720.04
7.0.10.0200.06720.17
7.0.00.0130.08020.09
5.6.280.0000.03321.13
5.6.250.0130.03320.74
5.6.240.0070.04020.68
5.6.230.0030.05720.71
5.6.220.0100.03720.61
5.6.210.0030.04320.59
5.6.200.0100.08021.04
5.6.190.0000.05021.02
5.6.180.0030.03721.00
5.6.170.0070.03720.94
5.6.160.0030.03721.13
5.6.150.0070.08721.02
5.6.140.0070.03321.05
5.6.130.0200.07020.97
5.6.120.0100.04021.13
5.6.110.0100.08021.12
5.6.100.0170.07020.98
5.6.90.0130.06020.99
5.6.80.0030.04720.39
5.6.70.0030.04020.45
5.6.60.0000.04320.49
5.6.50.0070.03320.43
5.6.40.0030.07020.44
5.6.30.0000.04320.29
5.6.20.0230.02320.35
5.6.10.0000.06020.43
5.6.00.0030.04020.43
5.5.380.0000.07020.34
5.5.370.0070.04020.34
5.5.360.0000.04020.47
5.5.350.0000.04320.41
5.5.340.0030.03720.91
5.5.330.0030.04720.83
5.5.320.0100.07320.86
5.5.310.0000.04020.82
5.5.300.0000.04720.72
5.5.290.0000.06320.85
5.5.280.0130.04020.75
5.5.270.0070.06020.90
5.5.260.0100.07320.78
5.5.250.0030.06320.64
5.5.240.0070.03720.21
5.5.230.0030.06020.16
5.5.220.0070.03020.27
5.5.210.0100.07320.26
5.5.200.0030.07720.17
5.5.190.0030.07719.98
5.5.180.0030.03720.16
5.5.160.0070.03720.11
5.5.150.0000.05720.10
5.5.140.0130.07020.17
5.5.130.0130.07020.21
5.5.120.0130.06720.27
5.5.110.0130.07020.14
5.5.100.0070.07720.01
5.5.90.0030.08319.96
5.5.80.0070.06320.15
5.5.70.0070.06720.05
5.5.60.0130.04020.02
5.5.50.0100.05320.05
5.5.40.0200.05719.99
5.5.30.0000.04720.04
5.5.20.0000.04720.04
5.5.10.0030.04320.04
5.5.00.0070.07019.96

preferences:
48.12 ms | 400 KiB | 5 Q