3v4l.org

run code in 300+ PHP versions simultaneously
<?php print("a" + "b");

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)
8.3.60.0070.01016.75
8.3.50.0110.01117.10
8.3.40.0000.01518.71
8.3.30.0090.00618.80
8.3.20.0000.00818.87
8.3.10.0030.00620.39
8.3.00.0070.00717.50
8.2.180.0100.01416.88
8.2.170.0090.00622.96
8.2.160.0160.00322.00
8.2.150.0030.00524.18
8.2.140.0050.00224.66
8.2.130.0070.00026.16
8.2.120.0050.00219.75
8.2.110.0000.00920.94
8.2.100.0040.00817.61
8.2.90.0000.00919.22
8.2.80.0050.00317.78
8.2.70.0040.00417.62
8.2.60.0000.00817.90
8.2.50.0000.00818.07
8.2.40.0040.00419.82
8.2.30.0040.00417.98
8.2.20.0040.00417.64
8.2.10.0050.00317.57
8.2.00.0080.00017.57
8.1.280.0070.01025.92
8.1.270.0070.00024.66
8.1.260.0080.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00620.94
8.1.230.0040.00821.03
8.1.220.0080.00017.74
8.1.210.0000.00818.92
8.1.200.0000.01017.23
8.1.190.0040.00417.39
8.1.180.0030.00518.10
8.1.170.0090.00018.77
8.1.160.0080.00018.71
8.1.150.0060.00318.41
8.1.140.0000.00817.18
8.1.130.0030.00317.75
8.1.120.0030.00317.42
8.1.110.0050.00317.27
8.1.100.0050.00217.32
8.1.90.0050.00217.22
8.1.80.0000.00717.31
8.1.70.0030.00517.19
8.1.60.0050.00217.36
8.1.50.0000.00717.28
8.1.40.0060.00317.51
8.1.30.0040.00417.46
8.1.20.0000.00817.52
8.1.10.0080.00017.48
8.1.00.0030.00517.41
8.0.300.0070.00019.82
8.0.290.0040.00416.75
8.0.280.0000.00718.37
8.0.270.0000.00717.24
8.0.260.0000.00716.81
8.0.250.0000.00816.94
8.0.240.0000.00816.83
8.0.230.0030.00316.98
8.0.220.0000.00716.81
8.0.210.0030.00316.78
8.0.200.0070.00016.80
8.0.190.0000.00716.92
8.0.180.0040.00416.75
8.0.170.0040.00416.80
8.0.160.0080.00016.75
8.0.150.0000.00816.71
8.0.140.0000.00816.73
8.0.130.0060.00013.27
8.0.120.0040.00416.87
8.0.110.0070.00016.78
8.0.100.0050.00216.78
8.0.90.0030.00316.78
8.0.80.0100.00716.86
8.0.70.0040.00416.77
8.0.60.0030.00316.91
8.0.50.0000.00716.94
8.0.30.0070.01416.99
8.0.20.0100.00917.15
8.0.10.0040.00416.84
8.0.00.0080.01116.61
7.4.330.0050.00014.68
7.4.320.0030.00316.47
7.4.300.0030.00316.36
7.4.290.0040.00416.35
7.4.280.0030.00616.36
7.4.270.0030.00316.47
7.4.260.0050.00013.18
7.4.250.0080.00016.34
7.4.240.0000.00716.50
7.4.230.0000.00716.55
7.4.220.0030.01316.47
7.4.210.0070.00916.44
7.4.200.0080.00016.20
7.4.190.0030.00316.30
7.4.160.0000.01516.40
7.4.150.0120.00617.07
7.4.140.0090.01117.14
7.4.130.0080.01016.39
7.4.120.0080.00916.35
7.4.110.0060.00916.58
7.4.100.0130.00516.32
7.4.90.0060.01116.22
7.4.80.0110.01118.63
7.4.70.0170.00316.36
7.4.60.0090.01216.33
7.4.50.0000.00520.09
7.4.40.0030.01321.69
7.4.30.0060.01116.31
7.4.00.0070.01115.08
7.3.330.0030.00313.09
7.3.320.0000.00513.16
7.3.310.0030.00316.05
7.3.300.0030.00316.05
7.3.290.0050.00816.13
7.3.280.0050.01016.18
7.3.270.0070.01017.07
7.3.260.0070.00918.24
7.3.250.0100.00816.41
7.3.240.0080.00816.20
7.3.230.0060.01016.27
7.3.210.0090.00916.27
7.3.200.0160.00619.39
7.3.190.0120.00916.32
7.3.180.0120.00316.30
7.3.170.0090.00916.28
7.3.160.0140.00316.29
7.3.120.0060.01014.83
7.2.330.0160.00016.39
7.2.320.0080.00816.67
7.2.310.0060.01616.71
7.2.300.0030.01516.63
7.2.290.0040.01416.26
7.2.60.0070.00716.71
7.1.200.0030.01015.77
7.1.70.0030.00517.05
7.1.60.0150.00919.40
7.1.50.0000.01016.98
7.1.00.0030.07322.42
7.0.200.0030.00316.62
7.0.140.0030.07322.07
7.0.120.0000.03322.05
7.0.60.0270.05319.85
7.0.50.0100.07017.89
7.0.40.0330.07720.27
7.0.30.0330.07020.07
7.0.20.0270.08320.09
7.0.10.0270.07320.12
7.0.00.0230.05720.11
5.6.280.0100.06721.07
5.6.210.0130.06720.60
5.6.200.0130.08018.18
5.6.190.0230.07720.32
5.6.180.0170.05320.36
5.6.170.0300.07720.33
5.6.160.0200.04020.60
5.6.150.0200.05020.32
5.6.140.0200.05020.11
5.6.130.0300.07020.47
5.6.120.0270.08320.43
5.6.110.0270.05320.10
5.6.100.0230.05320.42
5.6.90.0170.05720.35
5.6.80.0270.07319.52
5.6.70.0270.06019.68
5.6.60.0230.07719.82
5.6.50.0130.04719.57
5.6.40.0270.07719.58
5.6.30.0270.05319.75
5.6.20.0370.06319.49
5.6.10.0300.05019.67
5.6.00.0200.07719.52
5.5.350.4170.03720.31
5.5.340.0030.08317.89
5.5.330.0300.07320.23
5.5.320.0370.06020.15
5.5.310.0170.06020.29
5.5.300.0270.07720.14
5.5.290.0130.05720.13
5.5.280.0230.08020.12
5.5.270.0270.08720.22
5.5.260.0200.05720.12
5.5.250.0230.07019.78
5.5.240.0270.07719.52
5.5.230.0270.07019.63
5.5.220.0300.06019.35
5.5.210.0200.05019.36
5.5.200.0170.06019.33
5.5.190.0100.04719.28
5.5.180.0200.06719.50
5.5.160.0300.07019.38
5.5.150.0200.08019.49
5.5.140.0130.07719.47
5.5.130.0200.08719.55
5.5.120.0170.07319.42
5.5.110.0230.08319.25
5.5.100.0130.05719.49
5.5.90.0300.07019.18
5.5.80.0200.06319.48
5.5.70.0230.06719.21
5.5.60.0230.04319.36
5.5.50.0200.05719.50
5.5.40.0230.06019.20
5.5.30.0300.06019.40
5.5.20.0330.07019.31
5.5.10.0130.05019.45
5.5.00.0200.03719.43
5.4.450.0230.08019.47
5.4.440.0300.06719.33
5.4.430.0270.07319.47
5.4.420.0400.06019.40
5.4.410.0270.03318.97
5.4.400.0230.05718.79
5.4.390.0200.04719.08
5.4.380.0170.05719.13
5.4.370.0270.04719.18
5.4.360.0200.05018.89
5.4.350.0330.04719.00
5.4.340.0270.07319.08
5.4.320.0200.07019.12
5.4.310.0230.07719.16
5.4.300.0230.07019.18
5.4.290.0230.05019.11
5.4.280.0230.07319.00
5.4.270.0130.04319.12
5.4.260.0230.07319.15
5.4.250.0230.06319.18
5.4.240.0230.07019.18
5.4.230.0300.05018.79
5.4.220.0270.04318.92
5.4.210.0270.04719.08
5.4.200.0270.04019.13
5.4.190.0200.06018.79
5.4.180.0230.04719.11
5.4.170.0230.04719.13
5.4.160.0230.07319.11
5.4.150.0130.06719.13
5.4.140.0230.03716.28
5.4.130.0200.04316.32
5.4.120.0230.03316.32
5.4.110.0200.05716.27
5.4.100.0270.07016.41
5.4.90.0230.05716.37
5.4.80.0230.04016.31
5.4.70.0170.03716.33
5.4.60.0170.03716.35
5.4.50.0230.04316.21
5.4.40.0270.06316.24
5.4.30.0230.05316.26
5.4.20.0200.05316.31
5.4.10.0270.05316.58
5.4.00.0230.05715.88
5.3.290.0230.07014.59
5.3.280.0200.05314.53
5.3.270.0270.05014.52
5.3.260.0200.06714.55
5.3.250.0200.03314.52
5.3.240.0300.06314.48
5.3.230.0200.04014.52
5.3.220.0230.04314.54
5.3.210.0270.04714.50
5.3.200.0200.06314.49
5.3.190.0230.04314.46
5.3.180.0230.04314.65
5.3.170.0130.06014.48
5.3.160.0200.07014.44
5.3.150.0230.06314.51
5.3.140.0200.04014.51
5.3.130.0200.07314.46
5.3.120.0230.07014.63
5.3.110.0200.04714.63
5.3.100.0200.04014.03
5.3.90.0230.04713.94
5.3.80.0270.05313.95
5.3.70.0330.06013.85
5.3.60.0200.07313.79
5.3.50.0270.04313.89
5.3.40.0330.03713.86
5.3.30.0130.04313.85
5.3.20.0130.04713.64
5.3.10.0230.05013.66
5.3.00.0200.07013.46

preferences:
42.15 ms | 401 KiB | 5 Q