3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'aa'; $x++; var_dump($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)
8.3.60.0090.00616.63
8.3.50.0200.00816.29
8.3.40.0000.01518.75
8.3.30.0120.00318.59
8.3.20.0000.00818.38
8.3.10.0000.00818.51
8.3.00.0040.00419.26
8.2.180.0150.00418.54
8.2.170.0150.00622.96
8.2.160.0150.00018.52
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00421.00
8.2.110.0060.00322.30
8.2.100.0080.00317.79
8.2.90.0060.00319.06
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0000.00817.80
8.2.50.0000.00717.92
8.2.40.0040.00419.35
8.2.30.0030.00617.73
8.2.20.0060.00317.43
8.2.10.0040.00417.66
8.2.00.0030.00717.50
8.1.280.0070.01025.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00623.92
8.1.230.0040.00717.69
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0090.00017.36
8.1.190.0040.00417.22
8.1.180.0030.00518.10
8.1.170.0000.00717.62
8.1.160.0040.00418.92
8.1.150.0040.00418.48
8.1.140.0030.00617.37
8.1.130.0000.00719.12
8.1.120.0040.00417.29
8.1.110.0040.00417.29
8.1.100.0050.00217.38
8.1.90.0070.00017.31
8.1.80.0000.00717.21
8.1.70.0030.00317.36
8.1.60.0040.00417.43
8.1.50.0000.00817.41
8.1.40.0000.00817.41
8.1.30.0040.00417.59
8.1.20.0030.00617.57
8.1.10.0000.00917.43
8.1.00.0070.00017.24
8.0.300.0080.00018.77
8.0.290.0110.00016.63
8.0.280.0030.00318.55
8.0.270.0000.00717.18
8.0.260.0000.00916.66
8.0.250.0070.00016.77
8.0.240.0030.00316.86
8.0.230.0030.00516.84
8.0.220.0070.00016.71
8.0.210.0000.00716.77
8.0.200.0000.00616.91
8.0.190.0050.00316.88
8.0.180.0040.00416.84
8.0.170.0030.00616.76
8.0.160.0000.00716.90
8.0.150.0040.00416.70
8.0.140.0110.00016.66
8.0.130.0030.00313.25
8.0.120.0030.00616.84
8.0.110.0030.00616.62
8.0.100.0000.00716.71
8.0.90.0000.00716.80
8.0.80.0160.00316.73
8.0.70.0060.00316.86
8.0.60.0060.00316.77
8.0.50.0000.00816.88
8.0.30.0130.00317.01
8.0.20.0080.01017.06
8.0.10.0000.00816.88
8.0.00.0080.01416.74
7.4.330.0020.00212.91
7.4.320.0000.00616.53
7.4.300.0000.00616.40
7.4.290.0080.00016.40
7.4.280.0070.00416.50
7.4.270.0000.00716.41
7.4.260.0030.00313.11
7.4.250.0030.00516.43
7.4.240.0020.00516.46
7.4.230.0070.00016.62
7.4.220.0100.01516.37
7.4.210.0040.01116.46
7.4.200.0030.00316.50
7.4.190.0040.00416.38
7.4.160.0000.01616.36
7.4.150.0060.01116.28
7.4.140.0140.00817.86
7.4.130.0070.01016.33
7.4.120.0110.00616.29
7.4.110.0140.00616.31
7.4.100.0040.01316.39
7.4.90.0130.00516.25
7.4.80.0090.00619.39
7.4.70.0080.00816.32
7.4.60.0110.00616.36
7.4.50.0000.00816.22
7.4.40.0040.01116.45
7.4.30.0100.00616.55
7.4.00.0070.01014.77
7.3.330.0060.00013.11
7.3.320.0050.00012.92
7.3.310.0030.00316.18
7.3.300.0030.00316.18
7.3.290.0120.00616.18
7.3.280.0060.00916.17
7.3.270.0120.00616.56
7.3.260.0120.00616.29
7.3.240.0090.00916.34
7.3.230.0130.00316.40
7.3.210.0140.00916.36
7.3.200.0060.00916.48
7.3.190.0100.01016.57
7.3.180.0130.00316.52
7.3.170.0070.01016.25
7.3.160.0040.01216.50
7.3.120.0070.00714.44
7.2.330.0120.00616.33
7.2.320.0080.00816.64
7.2.310.0060.01016.25
7.2.300.0040.01216.54
7.2.290.0080.00816.57
7.2.00.0060.00918.95
7.1.100.0030.01018.14
7.1.70.0000.00916.86
7.1.60.0070.01619.25
7.1.50.0100.01416.75
7.1.00.0000.03722.30
7.0.200.0030.00716.67
7.0.140.0070.06721.92
7.0.120.0030.07722.17
7.0.60.0030.06020.00
7.0.50.0030.05717.89
7.0.40.0370.06720.30
7.0.30.0300.06020.09
7.0.20.0370.07320.04
7.0.10.0270.07019.96
7.0.00.0170.05320.23
5.6.280.0030.07020.85
5.6.210.0030.04720.68
5.6.200.0100.06718.13
5.6.190.0300.08320.41
5.6.180.0330.04320.67
5.6.170.0330.07320.27
5.6.160.0330.07020.43
5.6.150.0330.04020.46
5.6.140.0400.06720.43
5.6.130.0430.06720.44
5.6.120.0270.06320.28
5.6.110.0330.07020.12
5.6.100.0330.08020.37
5.6.90.0230.05320.35
5.6.80.0370.06719.50
5.6.70.0330.06319.68
5.6.60.0230.08319.48
5.6.50.0230.05019.66
5.6.40.0300.06719.55
5.6.30.0230.05319.77
5.6.20.0230.04319.53
5.6.10.0330.08019.79
5.6.00.0330.07319.78
5.5.350.0070.05320.31
5.5.340.0070.03717.88
5.5.330.0230.04320.57
5.5.320.0330.05720.07
5.5.310.0300.07720.57
5.5.300.0330.08320.12
5.5.290.0230.09319.97
5.5.280.0330.07719.98
5.5.270.0370.08019.90
5.5.260.0270.06320.20
5.5.250.0370.07320.07
5.5.240.0270.06719.58
5.5.230.0270.05319.58
5.5.220.0300.05019.52
5.5.210.0300.08319.61
5.5.200.0300.07319.59
5.5.190.0330.07319.50
5.5.180.0330.05719.50
5.5.160.0330.06319.48
5.5.150.0430.06719.32
5.5.140.0330.07319.61
5.5.130.0330.06719.42
5.5.120.0330.04319.31
5.5.110.0400.06019.54
5.5.100.0270.08319.18
5.5.90.0300.07719.18
5.5.80.0270.04319.48
5.5.70.0330.05019.21
5.5.60.0230.04319.47
5.5.50.0230.04019.49
5.5.40.0230.04319.33
5.5.30.0270.04019.15
5.5.20.0170.04719.37
5.5.10.0300.04019.24
5.5.00.0270.05319.29
5.4.450.0300.04319.25
5.4.440.0200.05319.44
5.4.430.0330.06019.28
5.4.420.0300.05319.41
5.4.410.0330.07018.98
5.4.400.0270.06319.19
5.4.390.0200.05018.91
5.4.380.0270.07319.12
5.4.370.0400.06019.09
5.4.360.0400.06319.16
5.4.350.0470.05319.18
5.4.340.0230.04719.14
5.4.320.0330.07019.08
5.4.310.0330.06319.19
5.4.300.0370.06719.18
5.4.290.0300.07018.79
5.4.280.0270.04019.14
5.4.270.0370.05719.18
5.4.260.0300.07319.13
5.4.250.0300.07019.07
5.4.240.0330.06019.14
5.4.230.0230.07019.00
5.4.220.0330.03019.17
5.4.210.0300.03019.17
5.4.200.0200.04319.07
5.4.190.0230.03719.17
5.4.180.0200.04018.76
5.4.170.0370.05718.91
5.4.160.0200.04019.16
5.4.150.0270.07318.90
5.4.140.0230.07316.20
5.4.130.0270.05016.25
5.4.120.0200.04016.19
5.4.110.0230.04016.34
5.4.100.0270.05016.25
5.4.90.0370.05716.17
5.4.80.0300.05316.29
5.4.70.0330.06716.33
5.4.60.0330.03316.30
5.4.50.0270.07016.38
5.4.40.0330.06716.38
5.4.30.0270.07016.38
5.4.20.0200.03316.33
5.4.10.0170.04316.24
5.4.00.0200.03715.69
5.3.290.0400.06014.67
5.3.280.0230.04014.51
5.3.270.0330.05314.52
5.3.260.0230.03714.39
5.3.250.0370.07014.48
5.3.240.0230.04714.61
5.3.230.0270.07714.52
5.3.220.0230.03714.51
5.3.210.0230.04014.49
5.3.200.0330.05014.38
5.3.190.0330.05714.50
5.3.180.0330.05714.52
5.3.170.0300.05314.49
5.3.160.0370.06314.38
5.3.150.0330.07014.52
5.3.140.0330.07014.43
5.3.130.0270.05014.52
5.3.120.0170.04314.48
5.3.110.0200.03714.46
5.3.100.0270.03013.91
5.3.90.0200.03313.92
5.3.80.0100.04313.97
5.3.70.0200.03313.95
5.3.60.0270.03314.09
5.3.50.0170.03713.75
5.3.40.0230.04013.77
5.3.30.0230.03013.88
5.3.20.0300.03313.78
5.3.10.0230.03013.58
5.3.00.0200.03713.45
5.2.170.0130.03012.64
5.2.160.0170.03312.64
5.2.150.0230.02712.64
5.2.140.0130.03012.64
5.2.130.0100.03312.64
5.2.120.0130.03012.64
5.2.110.0100.03312.64
5.2.100.0200.04012.64
5.2.90.0130.03012.64
5.2.80.0170.03012.64
5.2.70.0200.03712.64
5.2.60.0130.03312.64
5.2.50.0130.03012.64
5.2.40.0130.03312.64
5.2.30.0200.02712.64
5.2.20.0130.02712.64
5.2.10.0170.02712.64
5.2.00.0170.02712.64
5.1.60.0100.02712.64
5.1.50.0100.02712.64
5.1.40.0130.02312.64
5.1.30.0100.02712.64
5.1.20.0130.02312.64
5.1.10.0130.02312.64
5.1.00.0100.03012.64
5.0.50.0070.02012.64
5.0.40.0100.01712.64
5.0.30.0130.02312.64
5.0.20.0100.01312.64
5.0.10.0130.02012.64
5.0.00.0100.03012.64
4.4.90.0130.01312.64
4.4.80.0130.01012.64
4.4.70.0070.02012.64
4.4.60.0070.01712.64
4.4.50.0070.01712.64
4.4.40.0030.02712.64
4.4.30.0070.01312.64
4.4.20.0030.01712.64
4.4.10.0030.02012.64
4.4.00.0070.02312.64
4.3.110.0030.01712.64
4.3.100.0070.01312.64
4.3.90.0130.01012.64
4.3.80.0070.02312.64
4.3.70.0070.01312.64
4.3.60.0030.01712.64
4.3.50.0070.01712.64
4.3.40.0100.02012.64
4.3.30.0070.01012.64
4.3.20.0070.02012.64
4.3.10.0030.02012.64
4.3.00.0070.02012.64

preferences:
47.47 ms | 401 KiB | 5 Q