3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 2; $b = &$a; $c = (++$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)
8.3.60.0100.00316.38
8.3.50.0240.00616.56
8.3.40.0070.00718.71
8.3.30.0070.00718.72
8.3.20.0080.00018.66
8.3.10.0160.00018.55
8.3.00.0040.00419.26
8.2.180.0090.00916.32
8.2.170.0060.01022.96
8.2.160.0110.00421.05
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0000.00818.86
8.2.110.0000.00920.91
8.2.100.0080.00317.91
8.2.90.0070.00319.18
8.2.80.0040.00419.32
8.2.70.0040.00417.48
8.2.60.0050.00318.04
8.2.50.0000.00818.07
8.2.40.0050.00318.09
8.2.30.0070.00018.14
8.2.20.0040.00417.68
8.2.10.0040.00417.64
8.2.00.0000.00717.67
8.1.280.0080.01225.92
8.1.270.0000.00724.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.88
8.1.230.0060.00620.96
8.1.220.0000.00917.74
8.1.210.0040.00718.89
8.1.200.0070.00417.22
8.1.190.0000.00717.40
8.1.180.0000.00718.10
8.1.170.0040.00418.84
8.1.160.0040.00418.76
8.1.150.0070.00018.56
8.1.140.0040.00417.28
8.1.130.0070.00017.81
8.1.120.0070.00017.43
8.1.110.0050.00217.39
8.1.100.0070.00017.36
8.1.90.0000.00717.36
8.1.80.0030.00317.25
8.1.70.0000.00717.34
8.1.60.0040.00417.54
8.1.50.0030.00617.25
8.1.40.0040.00417.34
8.1.30.0000.00817.46
8.1.20.0040.00417.56
8.1.10.0000.00817.48
8.1.00.0000.00817.37
8.0.300.0070.00019.95
8.0.290.0080.00016.63
8.0.280.0030.00318.49
8.0.270.0000.00717.23
8.0.260.0060.00016.85
8.0.250.0030.00516.91
8.0.240.0070.00016.95
8.0.230.0000.00716.83
8.0.220.0030.00316.81
8.0.210.0030.00316.80
8.0.200.0000.00716.79
8.0.190.0000.00816.74
8.0.180.0000.00816.80
8.0.170.0060.00316.69
8.0.160.0030.00316.86
8.0.150.0000.00916.66
8.0.140.0000.00716.66
8.0.130.0030.00313.24
8.0.120.0000.00716.73
8.0.110.0000.00716.79
8.0.100.0030.00316.70
8.0.90.0040.00416.67
8.0.80.0030.01216.76
8.0.70.0040.00416.92
8.0.60.0040.00416.92
8.0.50.0070.00016.71
8.0.30.0030.01817.21
8.0.20.0160.00216.87
8.0.10.0040.00416.80
8.0.00.0100.01016.72
7.4.330.0000.00412.92
7.4.320.0040.00416.47
7.4.300.0030.00316.32
7.4.290.0000.00616.53
7.4.280.0030.00616.50
7.4.270.0040.00416.53
7.4.260.0030.00513.25
7.4.250.0040.00416.36
7.4.240.0000.00716.48
7.4.230.0000.00716.45
7.4.220.0090.01316.48
7.4.210.0050.01016.44
7.4.200.0040.00416.50
7.4.190.0030.00316.68
7.4.160.0090.00616.61
7.4.150.0150.00616.32
7.4.140.0070.01216.33
7.4.130.0150.00816.36
7.4.120.0100.00616.45
7.4.110.0030.01416.40
7.4.100.0150.00916.46
7.4.90.0140.00316.30
7.4.80.0090.01219.39
7.4.70.0030.01316.39
7.4.60.0100.00716.47
7.4.50.0120.00016.18
7.4.40.0030.01016.41
7.4.30.0070.01416.60
7.4.00.0130.00014.79
7.3.330.0060.00013.13
7.3.320.0060.00013.18
7.3.310.0080.00016.28
7.3.300.0000.00616.16
7.3.290.0100.00716.25
7.3.280.0100.00716.24
7.3.270.0000.01616.47
7.3.260.0070.01016.44
7.3.250.0080.00916.40
7.3.240.0100.01316.32
7.3.230.0140.00316.44
7.3.210.0040.01216.34
7.3.200.0070.01316.50
7.3.190.0070.01016.46
7.3.180.0060.01216.49
7.3.170.0040.01216.37
7.3.160.0060.01316.36
7.3.120.0070.00715.13
7.3.10.0090.01315.90
7.3.00.0200.00416.39
7.2.330.0070.01116.23
7.2.320.0090.01216.60
7.2.310.0090.00916.69
7.2.300.0170.01216.45
7.2.290.0030.01316.58
7.2.130.0230.00616.37
7.2.120.0190.00416.60
7.2.110.0120.00816.09
7.2.100.0090.00616.55
7.2.90.0110.00716.42
7.2.80.0160.00716.95
7.2.70.0230.00716.36
7.2.60.0060.01116.44
7.2.50.0160.00616.50
7.2.40.0120.00816.38
7.2.30.0070.01116.20
7.2.20.0120.00916.22
7.2.10.0130.00716.14
7.2.00.0100.00818.11
7.1.250.0220.00415.13
7.1.200.0070.00415.45
7.1.100.0060.00618.00
7.1.70.0030.00616.95
7.1.60.0060.01919.40
7.1.50.0000.02217.07
7.1.00.0000.07722.43
7.0.200.0290.00614.63
7.0.140.0100.06721.95
7.0.120.0030.06721.96
7.0.60.0270.08019.90
7.0.50.0070.08317.90
7.0.40.0130.05020.04
7.0.30.0270.04020.18
7.0.20.0300.06020.12
7.0.10.0200.09020.13
7.0.00.0030.04720.01
5.6.210.0130.04020.50
5.6.200.0130.07318.21
5.6.190.0030.05020.43
5.6.180.0070.07020.61
5.6.170.0370.08020.48
5.6.160.0100.07318.12
5.6.150.0070.07018.19
5.6.140.0030.05018.11
5.6.130.0070.08718.11
5.6.120.0030.09021.03
5.6.110.0230.05021.12
5.6.100.0100.06321.02
5.6.90.0200.06720.95
5.6.80.0100.07720.37
5.5.350.0130.04320.34
5.5.340.0000.05317.88
5.5.330.0130.07720.20
5.5.320.0400.04020.32
5.5.310.0300.07720.20
5.5.300.0030.04717.92
5.5.290.0100.07717.91
5.5.280.0070.04320.86
5.5.270.0100.06320.72
5.5.260.0100.08020.86
5.5.250.0070.08720.66
5.5.240.0270.06020.33
5.4.450.0230.04319.58
5.4.440.0270.03319.40
5.4.430.0200.03719.41
5.4.420.0230.03019.24
5.4.410.0170.03719.27
5.4.400.0230.04319.22
5.4.390.0170.03719.09
5.4.380.0200.03718.93
5.4.370.0070.04719.25
5.4.360.0170.03718.90
5.4.350.0230.04019.22
5.4.340.0230.03719.08
5.4.320.0200.03719.16
5.4.310.0230.03018.78
5.4.300.0200.03318.88
5.4.290.0170.04019.04
5.4.280.0300.03719.21
5.4.270.0100.04318.80
5.4.260.0200.03318.90
5.4.250.0100.04018.95
5.4.240.0130.03718.80
5.4.230.0170.03719.24
5.4.220.0200.03719.13
5.4.210.0170.03718.77
5.4.200.0270.02719.05
5.4.190.0130.03719.24
5.4.180.0330.03019.03
5.4.170.0100.04319.08
5.4.160.0170.03719.21
5.4.150.0200.03319.23
5.4.140.0170.03316.43
5.4.130.0200.03016.27
5.4.120.0170.04716.31
5.4.110.0130.04016.18
5.4.100.0170.03316.23
5.4.90.0170.03316.30
5.4.80.0330.03316.39
5.4.70.0170.03316.17
5.4.60.0200.04316.37
5.4.50.0200.03016.36
5.4.40.0170.03316.16
5.4.30.0070.04016.16
5.4.20.0270.03316.04
5.4.10.0130.03716.38
5.4.00.0200.03015.76
5.3.290.0100.04314.75
5.3.280.0230.03014.52
5.3.270.0170.03714.50
5.3.260.0170.03714.65
5.3.250.0170.03714.46
5.3.240.0170.03714.64
5.3.230.0200.03314.43
5.3.220.0130.03714.47
5.3.210.0270.02714.41
5.3.200.0170.03714.51
5.3.190.0100.04314.58
5.3.180.0300.03714.40
5.3.170.0300.03714.41
5.3.160.0030.04014.43
5.3.150.0030.03714.42
5.3.140.0130.04014.64
5.3.130.0130.04014.45
5.3.120.0230.03014.54
5.3.110.0200.04714.43
5.3.100.0070.04714.13
5.3.90.0230.02713.87
5.3.80.0130.04013.96
5.3.70.0130.04014.06
5.3.60.0170.04013.83
5.3.50.0170.03313.85
5.3.40.0230.07314.04
5.3.30.0230.03713.79
5.3.20.0230.06713.70
5.3.10.0170.04013.61
5.3.00.0200.06313.49
5.2.170.0100.03310.99
5.2.160.0170.03310.99
5.2.150.0200.06010.99
5.2.140.0200.05011.16
5.2.130.0200.05711.16
5.2.120.0200.03010.95
5.2.110.0200.03311.14
5.2.100.0230.02711.15
5.2.90.0200.05711.01
5.2.80.0230.05011.10
5.2.70.0170.06011.10
5.2.60.0200.04311.09
5.2.50.0130.04011.02
5.2.40.0130.03010.94
5.2.30.0100.03711.05
5.2.20.0170.06010.80
5.2.10.0170.04310.77
5.2.00.0070.05010.71
5.1.60.0200.0379.91
5.1.50.0170.04710.11
5.1.40.0130.0479.95
5.1.30.0170.05310.25
5.1.20.0170.04010.31
5.1.10.0170.05010.03
5.1.00.0170.0479.96
5.0.50.0070.0238.47
5.0.40.0070.0408.38
5.0.30.0070.0378.20
5.0.20.0070.0408.17
5.0.10.0070.0308.14
5.0.00.0130.0608.38
4.4.90.0070.0337.95
4.4.80.0130.0237.95
4.4.70.0130.0137.95
4.4.60.0100.0137.95
4.4.50.0130.0137.95
4.4.40.0070.0537.95
4.4.30.0070.0377.95
4.4.20.0070.0277.95
4.4.10.0100.0237.95
4.4.00.0100.0537.95
4.3.110.0130.0207.95
4.3.100.0100.0177.95
4.3.90.0070.0377.95
4.3.80.0070.0407.95
4.3.70.0100.0207.95
4.3.60.0030.0207.95
4.3.50.0130.0107.95
4.3.40.0070.0577.95
4.3.30.0030.0237.95
4.3.20.0070.0177.95
4.3.10.0030.0207.95
4.3.00.0070.0277.95

preferences:
42.83 ms | 401 KiB | 5 Q