3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $b = &$a; $c = (++$a)+(++$a); // 3 4 5 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)
8.3.60.0070.00716.38
8.3.50.0080.01020.97
8.3.40.0030.01118.75
8.3.30.0090.00618.67
8.3.20.0110.00420.20
8.3.10.0040.00421.83
8.3.00.0040.00419.78
8.2.180.0130.00318.41
8.2.170.0070.00722.96
8.2.160.0080.00520.39
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0030.00917.63
8.2.110.0100.01021.03
8.2.100.0080.00317.65
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0000.00917.62
8.2.60.0040.00417.90
8.2.50.0090.00018.07
8.2.40.0080.00021.25
8.2.30.0080.00019.91
8.2.20.0040.00417.78
8.2.10.0000.00718.17
8.2.00.0000.00718.16
8.1.280.0070.01025.92
8.1.270.0060.01220.33
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0090.00023.80
8.1.230.0100.00317.51
8.1.220.0000.00817.75
8.1.210.0030.00718.77
8.1.200.0030.00617.35
8.1.190.0060.00317.23
8.1.180.0050.00318.10
8.1.170.0000.00818.51
8.1.160.0030.00322.04
8.1.150.0030.00318.68
8.1.140.0040.00417.27
8.1.130.0000.00717.54
8.1.120.0040.00417.38
8.1.110.0000.00717.36
8.1.100.0000.00717.28
8.1.90.0030.00417.28
8.1.80.0060.00517.43
8.1.70.0040.00417.27
8.1.60.0050.00217.49
8.1.50.0050.00317.46
8.1.40.0000.00917.45
8.1.30.0040.00417.64
8.1.20.0030.00617.66
8.1.10.0050.00317.46
8.1.00.0040.00417.44
8.0.300.0050.00318.77
8.0.290.0080.00016.88
8.0.280.0030.00318.30
8.0.270.0040.00417.24
8.0.260.0030.00317.24
8.0.250.0040.00416.82
8.0.240.0070.00016.85
8.0.230.0000.00816.86
8.0.220.0000.00716.84
8.0.210.0040.00416.84
8.0.200.0000.00616.77
8.0.190.0040.00416.82
8.0.180.0000.00716.78
8.0.170.0080.00016.80
8.0.160.0030.00516.79
8.0.150.0070.00016.77
8.0.140.0000.00716.66
8.0.130.0000.00813.25
8.0.120.0040.00416.73
8.0.110.0070.00016.83
8.0.100.0000.00716.88
8.0.90.0000.00816.70
8.0.80.0110.00416.79
8.0.70.0000.00716.85
8.0.60.0040.00416.65
8.0.50.0070.00016.70
8.0.30.0110.00817.15
8.0.20.0120.00717.40
8.0.10.0000.00716.82
8.0.00.0080.01216.71
7.4.330.0060.00015.09
7.4.320.0060.00016.54
7.4.300.0000.00616.41
7.4.290.0070.00016.28
7.4.280.0070.00016.51
7.4.270.0030.00316.41
7.4.260.0000.00616.40
7.4.250.0030.00616.49
7.4.240.0020.00516.52
7.4.230.0030.00316.59
7.4.220.0060.01216.37
7.4.210.0060.01316.49
7.4.200.0070.00016.59
7.4.160.0200.00316.52
7.4.150.0100.00717.40
7.4.140.0080.01617.86
7.4.130.0090.01016.43
7.4.120.0070.01016.49
7.4.110.0070.01016.33
7.4.100.0130.00616.40
7.4.90.0100.01016.47
7.4.80.0100.01319.39
7.4.70.0030.01516.33
7.4.60.0080.00816.40
7.4.50.0040.00416.31
7.4.40.0060.01016.35
7.4.30.0170.00016.57
7.4.00.0060.00614.80
7.3.330.0000.00513.16
7.3.320.0000.00513.18
7.3.310.0000.00716.21
7.3.300.0030.00316.20
7.3.290.0000.00716.09
7.3.280.0130.00716.29
7.3.270.0100.00717.40
7.3.260.0080.00816.49
7.3.250.0080.00916.33
7.3.240.0070.01116.40
7.3.230.0160.00616.66
7.3.210.0060.01116.45
7.3.200.0090.00919.39
7.3.190.0100.00616.33
7.3.180.0150.00316.23
7.3.170.0140.00316.44
7.3.160.0100.00616.44
7.2.330.0070.01416.76
7.2.320.0090.00616.72
7.2.310.0100.01416.70
7.2.300.0080.00916.29
7.2.290.0030.01316.48
7.2.60.0130.00316.87
7.2.00.0030.00919.18
7.1.200.0000.01115.80
7.1.100.0000.01118.35
7.1.70.0100.00317.18
7.1.60.0130.01020.03
7.1.50.0100.01316.98
7.1.00.0030.07722.42
7.0.200.0000.01016.49
7.0.60.0130.08319.86
7.0.50.0030.05717.88
7.0.40.0130.08320.27
7.0.30.0630.06720.17
7.0.20.0170.04320.16
7.0.10.0030.07320.02
7.0.00.0030.07320.20
5.6.210.0070.08320.71
5.6.200.0130.07018.15
5.6.190.0100.08720.67
5.6.180.4200.03720.67
5.6.170.0330.06320.52
5.6.160.0070.07020.40
5.6.150.0030.05718.18
5.6.140.0130.07018.18
5.6.130.0100.04318.15
5.6.120.0100.07721.11
5.6.110.0070.08321.08
5.6.100.0100.06320.88
5.6.90.0100.08020.86
5.6.80.0030.04320.53
5.6.70.1430.08020.39
5.5.350.0000.06020.37
5.5.340.0130.07717.97
5.5.330.0030.04020.21
5.5.320.0300.07720.28
5.5.310.0230.04320.20
5.5.300.0170.06018.07
5.5.290.0030.05717.98
5.5.280.0130.04720.87
5.5.270.0100.08320.82
5.5.260.0030.07020.87
5.5.250.0100.06320.58
5.5.240.0330.07020.23
5.4.450.0500.06319.40
5.4.440.0530.06019.40
5.4.430.0630.05019.45
5.4.420.0500.05719.45
5.4.410.0570.05018.92
5.4.400.0630.05018.80
5.4.390.0530.05019.07
5.4.380.0370.06319.09
5.4.370.0370.04719.22
5.4.360.0500.05018.92
5.4.350.0400.05018.96
5.4.340.0600.05019.13
5.4.320.0570.05719.23
5.4.310.0600.05019.09
5.4.300.0570.05319.18
5.4.290.0570.05019.09
5.4.280.0600.04719.07
5.4.270.0500.05319.22
5.4.260.0570.04719.21
5.4.250.0470.05019.09
5.4.240.0370.05719.17
5.4.230.0470.06019.05
5.4.220.0500.05019.19
5.4.210.0500.05318.93
5.4.200.0430.05016.71
5.4.190.0470.05019.00
5.4.180.0530.04719.05
5.4.170.0430.05718.80
5.4.160.0430.05318.92
5.4.150.0370.05719.17
5.4.140.0430.05016.22
5.4.130.0530.05016.21
5.4.120.0570.05016.31
5.4.110.0530.04316.50
5.4.100.0530.05016.48
5.4.90.0670.06016.47
5.4.80.0500.05316.31
5.4.70.0570.05716.46
5.4.60.0570.04316.25
5.4.50.0430.05316.42
5.4.40.0530.05016.41
5.4.30.0530.05016.55
5.4.20.0500.05316.46
5.4.10.0500.05316.14
5.4.00.0600.04015.71

preferences:
48.35 ms | 401 KiB | 5 Q