3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "abc"; var_dump($a);

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)
8.3.60.0070.01018.55
8.3.50.0150.00521.21
8.3.40.0070.00718.45
8.3.30.0070.00720.14
8.3.20.0040.00418.52
8.3.10.0040.00420.97
8.3.00.0050.00323.50
8.2.180.0100.01016.50
8.2.170.0110.00422.96
8.2.160.0140.00420.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00219.83
8.2.110.0080.00321.03
8.2.100.0070.00417.72
8.2.90.0000.00719.15
8.2.80.0040.00419.25
8.2.70.0100.00017.50
8.2.60.0080.00017.92
8.2.50.0050.00318.07
8.2.40.0000.00817.89
8.2.30.0030.00519.49
8.2.20.0050.00317.64
8.2.10.0040.00417.48
8.2.00.0040.00417.66
8.1.280.0110.00725.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0090.00021.24
8.1.230.0080.00320.91
8.1.220.0000.00818.77
8.1.210.0040.00418.91
8.1.200.0040.00417.35
8.1.190.0040.00417.51
8.1.180.0030.00518.10
8.1.170.0030.00518.59
8.1.160.0050.00218.87
8.1.150.0070.00018.48
8.1.140.0000.00817.42
8.1.130.0030.00317.82
8.1.120.0000.00817.30
8.1.110.0080.00017.21
8.1.100.0000.00717.40
8.1.90.0000.00717.25
8.1.80.0000.00817.26
8.1.70.0000.00717.36
8.1.60.0060.00317.46
8.1.50.0060.00317.45
8.1.40.0000.00717.46
8.1.30.0040.00417.58
8.1.20.0080.00017.46
8.1.10.0040.00417.35
8.1.00.0070.00017.44
8.0.300.0000.00819.89
8.0.290.0030.00317.05
8.0.280.0030.00518.43
8.0.270.0000.00717.09
8.0.260.0060.00016.78
8.0.250.0040.00416.75
8.0.240.0040.00416.78
8.0.230.0030.00316.76
8.0.220.0000.00716.75
8.0.210.0000.00816.78
8.0.200.0030.00316.90
8.0.190.0070.00316.78
8.0.180.0080.00016.79
8.0.170.0040.00416.71
8.0.160.0030.00316.86
8.0.150.0050.00216.64
8.0.140.0060.00316.71
8.0.130.0030.00313.25
8.0.120.0040.00416.73
8.0.110.0030.00316.86
8.0.100.0030.00516.82
8.0.90.0040.00416.79
8.0.80.0060.01016.79
8.0.70.0000.00816.83
8.0.60.0040.00416.75
8.0.50.0000.00716.69
8.0.30.0110.00816.97
8.0.20.0120.00917.40
8.0.10.0040.00416.92
8.0.00.0120.00816.70
7.4.330.0030.00316.79
7.4.320.0000.00616.57
7.4.300.0040.00416.54
7.4.290.0070.00016.42
7.4.280.0030.00316.51
7.4.270.0030.00316.54
7.4.260.0030.00413.18
7.4.250.0040.00416.39
7.4.240.0050.00216.57
7.4.230.0000.00716.27
7.4.220.0130.00416.43
7.4.210.0060.00916.48
7.4.200.0030.00316.36
7.4.190.0040.00416.30
7.4.160.0130.00316.44
7.4.150.0280.02517.40
7.4.140.0070.01017.86
7.4.130.0070.01016.43
7.4.120.0030.01316.41
7.4.110.0110.00716.45
7.4.100.0100.00716.34
7.4.90.0060.01216.59
7.4.80.0150.00619.39
7.4.70.0030.01616.39
7.4.60.0160.00316.45
7.4.50.0030.00615.90
7.4.40.0040.01422.77
7.4.30.0180.00016.34
7.4.00.0080.01014.74
7.3.330.0060.00012.88
7.3.320.0030.00312.92
7.3.310.0030.00316.06
7.3.300.0000.00616.11
7.3.290.0090.01016.07
7.3.280.0080.00916.11
7.3.270.0090.00917.40
7.3.260.0100.01018.24
7.3.250.0090.01216.38
7.3.240.0090.00816.13
7.3.230.0090.00916.39
7.3.210.0130.00316.13
7.3.200.0060.01519.39
7.3.190.0100.01116.42
7.3.180.0130.00716.42
7.3.170.0140.00616.32
7.3.160.0120.00916.35
7.3.120.0130.00514.50
7.3.110.0100.00714.86
7.3.100.0090.00614.68
7.3.90.0000.01314.60
7.3.80.0090.00614.93
7.3.70.0060.00914.78
7.3.60.0030.01314.70
7.3.50.0130.00314.77
7.3.40.0070.00714.56
7.3.30.0100.00314.85
7.3.20.0070.00716.26
7.3.10.0030.00916.03
7.3.00.0070.00716.58
7.2.330.0160.00316.23
7.2.320.0120.00916.45
7.2.310.0090.00916.41
7.2.300.0070.01116.41
7.2.290.0000.02116.52
7.2.250.0110.00714.76
7.2.240.0100.01014.50
7.2.230.0090.00915.05
7.2.220.0070.00714.81
7.2.210.0040.00714.71
7.2.200.0070.00714.92
7.2.190.0070.01014.79
7.2.180.0070.01014.76
7.2.170.0000.01314.81
7.2.00.0050.01618.98
7.1.330.0090.00615.68
7.1.320.0030.01215.35
7.1.310.0080.00015.94
7.1.300.0090.00615.75
7.1.290.0040.00815.85
7.1.280.0060.00615.82
7.1.270.0040.00815.54
7.1.260.0050.00515.64
7.1.200.0060.00615.63
7.1.100.0000.01118.09
7.1.70.0080.00017.13
7.1.60.0110.01119.17
7.1.50.0040.01916.86
7.1.00.0070.04722.45
7.0.200.0030.00616.72
7.0.140.0000.07722.15
7.0.60.0130.07319.92
7.0.50.0000.08717.90
7.0.40.0100.03720.24
7.0.30.0230.06020.09
7.0.20.0130.04320.08
7.0.10.0070.04320.20
7.0.00.0130.07720.20
5.6.280.0000.07721.07
5.6.210.0100.07720.50
5.6.200.0130.07718.22
5.6.190.0100.08320.64
5.6.180.0500.03320.44
5.6.170.0230.05720.49
5.6.160.0030.08720.50
5.6.150.0130.08018.21
5.6.140.0030.04018.15
5.6.130.0030.05018.15
5.6.120.0030.09021.11
5.6.110.0070.06320.88
5.6.100.0070.08321.13
5.6.90.0200.07321.09
5.6.80.0130.04020.47
5.5.350.0100.07320.51
5.5.340.0100.07317.95
5.5.330.0000.08020.23
5.5.320.0400.06720.41
5.5.310.0130.05020.26
5.5.300.0030.08317.92
5.5.290.0070.08317.87
5.5.280.0170.06320.97
5.5.270.0030.05020.91
5.5.260.0100.07020.78
5.5.250.0100.07020.69
5.5.240.0070.08320.23
5.4.450.0230.06719.25
5.4.440.0200.06319.21
5.4.430.0230.05319.45
5.4.420.0200.05019.45
5.4.410.0200.05319.35
5.4.400.0200.03319.10
5.4.390.0230.03018.91
5.4.380.0130.04019.08
5.4.370.0200.04318.77
5.4.360.0170.04019.25
5.4.350.0170.03719.13
5.4.340.0130.04318.91
5.4.320.0470.07019.13
5.4.310.0170.04018.91
5.4.300.0330.03318.88
5.4.290.0170.06018.93
5.4.280.0370.03718.95
5.4.270.0500.07019.15
5.4.260.0170.04319.09
5.4.250.0370.05318.81
5.4.240.0370.07019.22
5.4.230.0270.03019.09
5.4.220.0330.03319.07
5.4.210.0230.04018.78
5.4.200.0270.07019.09
5.4.190.0230.06319.14
5.4.180.0330.04719.13
5.4.170.0270.03319.12
5.4.160.0300.05319.21
5.4.150.0230.07318.91
5.4.140.0230.03716.27
5.4.130.0300.06716.15
5.4.120.0230.04316.27
5.4.110.0200.04716.18
5.4.100.0200.06016.41
5.4.90.0270.03716.22
5.4.80.0230.03316.37
5.4.70.0270.07016.39
5.4.60.0200.04716.43
5.4.50.0170.07016.08
5.4.40.0200.07316.44
5.4.30.0200.03716.39
5.4.20.0230.04716.36
5.4.10.0200.04716.36
5.4.00.0330.07316.01
5.3.290.0230.07314.70
5.3.280.0270.07014.68
5.3.270.0230.05314.45
5.3.260.0170.04014.46
5.3.250.0130.04314.44
5.3.240.0200.06014.66
5.3.230.0270.06714.50
5.3.220.0300.04714.51
5.3.210.0230.04314.40
5.3.200.0300.03314.51
5.3.190.0270.07014.39
5.3.180.0230.04314.54
5.3.170.0170.05014.42
5.3.160.0200.03714.40
5.3.150.0200.04314.50
5.3.140.0230.07314.53
5.3.130.0230.04314.38
5.3.120.0230.06714.49
5.3.110.0300.07014.49
5.3.100.0100.04713.89
5.3.90.0200.03714.00
5.3.80.0200.07013.95
5.3.70.0230.04713.81
5.3.60.0170.06713.80
5.3.50.0270.06013.94
5.3.40.0270.06313.93
5.3.30.0230.04313.76
5.3.20.0230.03713.70
5.3.10.0200.03313.61
5.3.00.0230.04013.43
5.2.170.0230.04311.00
5.2.160.0170.03710.98
5.2.150.0170.03311.05
5.2.140.0170.06011.00
5.2.130.0200.04010.95
5.2.120.0200.03311.15
5.2.110.0270.05311.14
5.2.100.0170.05710.95
5.2.90.0070.03711.18
5.2.80.0170.06310.93
5.2.70.0200.03011.25
5.2.60.0200.03710.93
5.2.50.0170.05011.06
5.2.40.0170.03011.05
5.2.30.0200.02710.82
5.2.20.0130.06310.97
5.2.10.0200.05310.81
5.2.00.0170.03010.77
5.1.60.0200.0439.85
5.1.50.0130.0309.96
5.1.40.0170.0539.91
5.1.30.0100.03710.24
5.1.20.0230.05010.24
5.1.10.0230.04710.11
5.1.00.0170.05310.18
5.0.50.0100.0378.66
5.0.40.0100.0378.45
5.0.30.0100.0378.08
5.0.20.0070.0478.41
5.0.10.0030.0478.30
5.0.00.0070.0338.13
4.4.90.0100.0237.64
4.4.80.0130.0307.64
4.4.70.0070.0377.64
4.4.60.0070.0207.64
4.4.50.0030.0277.64
4.4.40.0100.0537.64
4.4.30.0070.0207.64
4.4.20.0100.0237.64
4.4.10.0030.0237.64
4.4.00.0100.0437.64
4.3.110.0000.0237.64
4.3.100.0000.0177.64
4.3.90.0100.0277.64
4.3.80.0000.0437.64
4.3.70.0000.0207.64
4.3.60.0000.0207.64
4.3.50.0000.0207.64
4.3.40.0000.0377.64
4.3.30.0000.0337.64
4.3.20.0000.0177.64
4.3.10.0200.0177.64
4.3.00.0330.0137.64

preferences:
53.66 ms | 401 KiB | 5 Q