3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = "a9z"; echo $x + 1; $x++; echo $x;

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)
8.3.40.0100.00318.66
8.3.30.0100.00320.04
8.3.20.0080.00020.70
8.3.10.0050.00321.14
8.3.00.0000.00723.66
8.2.170.0070.00722.96
8.2.160.0100.00720.57
8.2.150.0030.00524.18
8.2.140.0000.00724.66
8.2.130.0050.00226.16
8.2.120.0040.00420.90
8.2.110.0030.00619.39
8.2.100.0090.00317.91
8.2.90.0050.00319.09
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0040.00417.93
8.2.50.0080.00318.07
8.2.40.0040.00418.09
8.2.30.0080.00019.41
8.2.20.0050.00217.71
8.2.10.0050.00217.64
8.2.00.0030.00717.71
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0080.00322.52
8.1.230.0040.00820.88
8.1.220.0060.00318.77
8.1.210.0050.00718.90
8.1.200.0030.00617.13
8.1.190.0080.00017.53
8.1.180.0000.01118.10
8.1.170.0050.00318.28
8.1.160.0040.00418.78
8.1.150.0040.00418.58
8.1.140.0070.00017.25
8.1.130.0000.00717.82
8.1.120.0040.00417.43
8.1.110.0000.00717.44
8.1.100.0000.00717.44
8.1.90.0000.00717.43
8.1.80.0050.00317.29
8.1.70.0020.00517.32
8.1.60.0040.00417.56
8.1.50.0050.00317.37
8.1.40.0000.00717.39
8.1.30.0000.00817.53
8.1.20.0050.00217.69
8.1.10.0000.00717.40
8.1.00.0000.00817.50
8.0.300.0040.00419.84
8.0.290.0000.00717.05
8.0.280.0000.00718.37
8.0.270.0030.00317.25
8.0.260.0000.00716.81
8.0.250.0070.00316.98
8.0.240.0000.00716.97
8.0.230.0030.00516.91
8.0.220.0060.00316.78
8.0.210.0030.00316.92
8.0.200.0060.00016.95
8.0.190.0000.00716.83
8.0.180.0000.00816.95
8.0.170.0000.00716.89
8.0.160.0070.00016.99
8.0.150.0040.00416.76
8.0.140.0040.00416.89
8.0.130.0070.00013.33
8.0.120.0000.00716.83
8.0.110.0040.00416.74
8.0.100.0070.00016.91
8.0.90.0040.00416.75
8.0.80.0040.01216.96
8.0.70.0050.00316.87
8.0.60.0000.00716.73
8.0.50.0040.00416.84
8.0.30.0120.00717.06
8.0.20.0100.01017.40
8.0.10.0050.00317.04
8.0.00.0070.01016.81
7.4.330.0050.00016.74
7.4.320.0000.00616.41
7.4.300.0030.00316.53
7.4.290.0040.00416.37
7.4.280.0000.00816.56
7.4.270.0000.00616.52
7.4.260.0030.00313.24
7.4.250.0060.00316.38
7.4.240.0070.00016.36
7.4.230.0030.00316.50
7.4.220.0200.00016.52
7.4.210.0070.00916.52
7.4.200.0030.00316.45
7.4.190.0000.00716.42
7.4.160.0130.01016.38
7.4.150.0060.01217.40
7.4.140.0050.01317.86
7.4.130.0070.01516.50
7.4.120.0090.00716.58
7.4.110.0120.00416.47
7.4.100.0080.00916.48
7.4.90.0150.00916.36
7.4.80.0130.00819.39
7.4.70.0130.00316.41
7.4.60.0070.00816.48
7.4.50.0030.00616.52
7.4.40.0060.00622.77
7.4.30.0060.00916.44
7.4.00.0030.01414.81
7.3.330.0020.00213.16
7.3.320.0050.00013.25
7.3.310.0000.00716.39
7.3.300.0030.00316.30
7.3.290.0030.01516.29
7.3.280.0090.00916.31
7.3.270.0040.01417.40
7.3.260.0110.00818.24
7.3.250.0060.01216.34
7.3.240.0080.01516.27
7.3.230.0170.00616.41
7.3.210.0060.01516.49
7.3.200.0080.01619.39
7.3.190.0120.01016.30
7.3.180.0090.00916.26
7.3.170.0080.00716.38
7.3.160.0090.00616.43
7.3.120.0030.01014.82
7.2.330.0150.00316.42
7.2.320.0110.00916.51
7.2.310.0100.01316.39
7.2.300.0060.01216.51
7.2.290.0070.01016.70
7.2.60.0000.01717.01
7.2.00.0070.00719.20
7.1.200.0030.00615.63
7.1.100.0060.00618.08
7.1.70.0040.00417.07
7.1.60.0060.01619.17
7.1.50.0030.01716.86
7.1.00.0030.04022.43
7.0.200.0060.00316.73
7.0.140.0070.07022.02
7.0.100.0330.07719.98
7.0.90.0030.07319.81
7.0.80.0330.04019.84
7.0.70.0100.08019.89
7.0.60.0070.08719.77
7.0.50.0000.08020.38
7.0.40.0070.08020.07
7.0.30.0030.08320.11
7.0.20.0070.07720.13
7.0.10.0170.07720.12
7.0.00.0100.07319.99
5.6.280.0070.06721.11
5.6.250.0100.07720.63
5.6.240.0200.07320.57
5.6.230.0070.07320.59
5.6.220.0100.05320.65
5.6.210.0070.06720.65
5.6.200.0170.08321.16
5.6.190.0130.04721.07
5.6.180.0100.05021.16
5.6.170.0130.07321.05
5.6.160.0200.07721.01
5.6.150.0130.08021.00
5.6.140.0000.08720.94
5.6.130.0070.08021.16
5.6.120.0030.06021.07
5.6.110.0170.08021.02
5.6.100.0100.07721.08
5.6.90.0100.08320.99
5.6.80.0070.06020.42
5.6.70.0100.08020.41
5.6.60.0130.07020.42
5.6.50.0000.05320.39
5.6.40.0100.04720.32
5.6.30.0030.04320.31
5.6.20.0170.07720.45
5.6.10.0070.08020.38
5.6.00.0170.06720.34
5.5.380.0100.06020.34
5.5.370.0200.05020.38
5.5.360.0030.08320.34
5.5.350.0100.06720.39
5.5.340.0100.08720.88
5.5.330.0000.07720.91
5.5.320.0070.08320.64
5.5.310.0100.08720.85
5.5.300.0100.09020.79
5.5.290.0100.08320.90
5.5.280.0000.09320.90
5.5.270.0170.07720.78
5.5.260.0070.08320.86
5.5.250.0130.07720.59
5.5.240.0030.05020.28
5.5.230.0070.08320.30
5.5.220.0070.07720.25
5.5.210.0130.06720.29
5.5.200.0070.07720.15
5.5.190.0070.07320.20
5.5.180.0030.08019.98
5.5.160.0030.05720.12
5.5.150.0070.07720.21
5.5.140.0100.06020.20
5.5.130.0070.08320.16
5.5.120.0070.08720.22
5.5.110.0070.05020.25
5.5.100.0070.08719.96
5.5.90.0170.03720.10
5.5.80.0170.07020.14
5.5.70.0030.05320.05
5.5.60.0100.04320.13
5.5.50.0230.05019.92
5.5.40.0070.08320.13
5.5.30.0030.04020.13
5.5.20.0000.05320.04
5.5.10.0100.07319.96
5.5.00.0000.07020.09
5.4.450.0070.04719.45
5.4.440.0100.07319.31
5.4.430.0170.07319.46
5.4.420.0000.09019.10
5.4.410.0170.06719.01
5.4.400.0100.03719.08
5.4.390.0070.06019.05
5.4.380.0100.05718.90
5.4.370.0070.07719.13
5.4.360.0100.07019.12
5.4.350.0130.07019.11
5.4.340.0130.06319.06
5.4.320.0100.05718.94
5.4.310.0030.08018.96
5.4.300.0030.07318.89
5.4.290.0030.07019.08
5.4.280.0070.05718.94
5.4.270.0030.07319.11
5.4.260.0100.06719.02
5.4.250.0170.06719.04
5.4.240.0070.06019.05
5.4.230.0170.04718.97
5.4.220.0030.08018.80
5.4.210.0030.04719.08
5.4.200.0130.06318.80
5.4.190.0000.05018.80
5.4.180.0100.03719.00
5.4.170.0130.03718.89
5.4.160.0070.04019.07
5.4.150.0100.03318.99
5.4.140.0100.07316.37
5.4.130.0000.04316.14
5.4.120.0070.06716.27
5.4.110.0070.04316.33
5.4.100.0100.03716.39
5.4.90.0130.06016.22
5.4.80.0130.07016.34
5.4.70.0200.06016.34
5.4.60.0100.04316.42
5.4.50.0100.06716.30
5.4.40.0100.03716.45
5.4.30.0070.07316.18
5.4.20.0070.04716.18
5.4.10.0070.06016.38
5.4.00.0100.03015.73
5.3.290.0070.05714.64
5.3.280.0030.07714.55
5.3.270.0030.07314.56
5.3.260.0030.04314.56
5.3.250.0030.06714.59
5.3.240.0030.08314.55
5.3.230.0000.04314.45
5.3.220.0030.04714.42
5.3.210.0030.06714.55
5.3.200.0070.07314.54
5.3.190.0070.07714.55
5.3.180.0070.07014.41
5.3.170.0100.06014.54
5.3.160.0030.07314.51
5.3.150.0070.06314.39
5.3.140.0030.06714.51
5.3.130.0070.06314.50
5.3.120.0070.07014.50
5.3.110.0000.04714.40
5.3.100.0130.06713.97
5.3.90.0030.06714.01
5.3.80.0100.07313.88
5.3.70.0030.08013.92
5.3.60.0030.06313.85
5.3.50.0100.06713.88
5.3.40.0100.07013.92
5.3.30.0070.07713.67
5.3.20.0070.06013.44
5.3.10.0100.06713.66
5.3.00.0070.07713.56
5.2.170.0030.06711.09
5.2.160.0070.06011.19
5.2.150.0070.05711.00
5.2.140.0070.06010.96
5.2.130.0030.06311.07
5.2.120.0030.05710.93
5.2.110.0070.05711.04
5.2.100.0000.04011.05
5.2.90.0030.06311.09
5.2.80.0030.05311.09
5.2.70.0030.06310.92
5.2.60.0130.05710.99
5.2.50.0030.06310.83
5.2.40.0030.06011.06
5.2.30.0100.06710.95
5.2.20.0100.05010.98
5.2.10.0070.04710.76
5.2.00.0070.05010.79
5.1.60.0100.0279.97
5.1.50.0030.04310.09
5.1.40.0000.05310.07
5.1.30.0000.05710.25
5.1.20.0070.05710.33
5.1.10.0100.05010.05
5.1.00.0070.02710.13
5.0.50.0000.0379.30
5.0.40.0070.0339.30
5.0.30.0000.0309.30
5.0.20.0130.0139.30
5.0.10.0030.0439.30
5.0.00.0070.0579.30
4.4.90.0100.0279.30
4.4.80.0000.0209.30
4.4.70.0000.0379.30
4.4.60.0100.0309.30
4.4.50.0070.0309.30
4.4.40.0000.0309.30
4.4.30.0070.0309.30
4.4.20.0000.0379.30
4.4.10.0000.0179.30
4.4.00.0070.0279.30
4.3.110.0030.0179.30
4.3.100.0030.0339.30
4.3.90.0000.0309.30
4.3.80.0070.0509.30
4.3.70.0070.0339.30
4.3.60.0000.0379.30
4.3.50.0030.0339.30
4.3.40.0000.0579.30
4.3.30.0070.0339.30
4.3.20.0030.0379.30
4.3.10.0000.0379.30
4.3.00.0100.0309.30

preferences:
38.58 ms | 400 KiB | 5 Q