3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = "foo"; $var .= "bar"; echo $var; ?>

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)
8.3.60.0140.00318.31
8.3.50.0080.01321.98
8.3.40.0070.01118.63
8.3.30.0150.00019.09
8.3.20.0040.00420.07
8.3.10.0070.00021.60
8.3.00.0000.00819.07
8.2.180.0080.00818.29
8.2.170.0140.00322.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00719.77
8.2.110.0070.01022.25
8.2.100.0000.01117.91
8.2.90.0000.00817.75
8.2.80.0000.00817.97
8.2.70.0040.00418.05
8.2.60.0000.00718.05
8.2.50.0060.00318.10
8.2.40.0050.00520.44
8.2.30.0040.00418.16
8.2.20.0040.00417.79
8.2.10.0000.00718.04
8.2.00.0030.00617.73
8.1.280.0060.00925.92
8.1.270.0060.00318.71
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0110.00023.78
8.1.230.0040.00721.03
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0070.00417.10
8.1.190.0090.00017.10
8.1.180.0030.00518.10
8.1.170.0040.00418.58
8.1.160.0040.00421.87
8.1.150.0070.00018.86
8.1.140.0060.00319.29
8.1.130.0000.00717.75
8.1.120.0040.00417.32
8.1.110.0000.00817.39
8.1.100.0040.00417.36
8.1.90.0040.00417.45
8.1.80.0000.00817.30
8.1.70.0000.00817.32
8.1.60.0000.00817.57
8.1.50.0000.00817.35
8.1.40.0040.00417.43
8.1.30.0030.00517.39
8.1.20.0030.00517.48
8.1.10.0040.00417.45
8.1.00.0000.00817.44
8.0.300.0040.00421.46
8.0.290.0030.00616.63
8.0.280.0080.00018.44
8.0.270.0030.00317.25
8.0.260.0050.00217.16
8.0.250.0040.00316.91
8.0.240.0000.00716.83
8.0.230.0030.00316.78
8.0.220.0030.00316.76
8.0.210.0000.00716.70
8.0.200.0060.00316.79
8.0.190.0070.00016.89
8.0.180.0040.00416.74
8.0.170.0000.00716.81
8.0.160.0030.00316.71
8.0.150.0050.00316.88
8.0.140.0040.00416.74
8.0.130.0030.00313.23
8.0.120.0080.00016.67
8.0.110.0000.00716.71
8.0.100.0000.00716.71
8.0.90.0000.00716.85
8.0.80.0040.01816.88
8.0.70.0040.00416.72
8.0.60.0040.00416.76
8.0.50.0040.00416.85
8.0.30.0120.01017.04
8.0.20.0110.00817.40
8.0.10.0040.00416.89
8.0.00.0110.00616.75
7.4.330.0050.00015.03
7.4.320.0060.00016.53
7.4.300.0060.00016.48
7.4.290.0000.00716.52
7.4.280.0060.00616.41
7.4.270.0000.00616.46
7.4.260.0000.00616.44
7.4.250.0030.00316.29
7.4.240.0050.00216.54
7.4.230.0070.00016.31
7.4.220.0080.01316.54
7.4.210.0040.01116.52
7.4.200.0030.00316.60
7.4.160.0030.02016.41
7.4.150.0090.01517.40
7.4.140.0120.00717.86
7.4.130.0090.00916.45
7.4.120.0100.01116.42
7.4.110.0100.00916.47
7.4.100.0100.01316.50
7.4.90.0090.00816.24
7.4.80.0090.00919.39
7.4.70.0060.01216.50
7.4.60.0150.01216.48
7.4.50.0030.00316.28
7.4.40.0110.00616.38
7.4.30.0090.01216.52
7.4.00.0100.00715.05
7.3.330.0030.00313.06
7.3.320.0000.00512.95
7.3.310.0050.00216.22
7.3.300.0060.00016.23
7.3.290.0070.00616.17
7.3.280.0090.01016.21
7.3.270.0030.01317.40
7.3.260.0120.00616.59
7.3.250.0140.00716.22
7.3.240.0100.00716.27
7.3.230.0140.00616.39
7.3.210.0100.00916.35
7.3.200.0000.01519.39
7.3.190.0040.01416.36
7.3.180.0090.00616.32
7.3.170.0150.00316.54
7.3.160.0120.00416.39
7.3.10.0120.00016.66
7.3.00.0030.00916.34
7.2.330.0030.01316.64
7.2.320.0190.00016.56
7.2.310.0130.00916.30
7.2.300.0100.00716.18
7.2.290.0130.00316.49
7.2.130.0150.00016.93
7.2.120.0060.00316.86
7.2.110.0030.01516.47
7.2.100.0060.00616.63
7.2.90.0030.00616.59
7.2.80.0070.01016.76
7.2.70.0060.00316.70
7.2.60.0090.00616.61
7.2.50.0060.00616.75
7.2.40.0030.01416.66
7.2.30.0000.00916.84
7.2.20.0060.00616.53
7.2.10.0070.00716.87
7.2.00.0040.00517.84
7.1.250.0050.00515.44
7.1.200.0060.00615.66
7.1.100.0040.00717.59
7.1.70.0040.00416.74
7.1.60.0180.00719.46
7.1.50.0100.00616.71
7.1.00.0000.08022.33
7.0.200.0030.00716.82
7.0.140.0030.03322.09
7.0.60.0030.08719.87
7.0.50.0070.05717.83
7.0.40.0030.04320.27
7.0.30.0230.03320.20
7.0.20.0430.07020.04
7.0.10.0100.08020.31
7.0.00.0030.08720.12
5.6.280.0070.06720.98
5.6.210.0070.07720.70
5.6.200.0030.05018.19
5.6.190.0030.08720.61
5.6.180.0430.07720.27
5.6.170.0330.04720.71
5.6.160.0070.04020.44
5.6.150.0070.05018.18
5.6.140.0130.07018.18
5.6.130.0130.07018.12
5.6.120.0000.05021.13
5.6.110.0030.04020.95
5.6.100.0170.05321.03
5.6.90.0130.07720.99
5.6.80.0100.08020.37
5.5.350.3130.03720.38
5.5.340.0100.03018.02
5.5.330.0170.06320.40
5.5.320.3200.04320.29
5.5.310.0300.07320.31
5.5.300.0130.04318.03
5.5.290.0070.08017.96
5.5.280.0100.07020.86
5.5.270.0070.05720.91
5.5.260.0100.05320.76
5.5.250.0200.06320.78
5.5.240.0000.08320.06
5.4.450.0800.06719.11
5.4.440.0470.05719.64
5.4.430.0070.05719.52
5.4.420.0170.05019.46
5.4.410.0270.04019.20
5.4.400.0130.04719.13
5.4.390.0800.05318.65
5.4.380.0870.05318.46
5.4.370.0800.06018.66
5.4.360.0900.05018.68
5.4.350.0800.06018.55
5.4.340.0900.05018.71
5.4.320.0870.06318.65
5.4.310.0900.04718.57
5.4.300.0770.05718.68
5.4.290.1000.07018.42
5.4.280.0770.05718.48
5.4.270.0830.05018.68
5.4.260.0930.03718.42
5.4.250.0670.07018.63
5.4.240.0870.05318.57
5.4.230.0870.05018.67
5.4.220.0870.05318.55
5.4.210.0970.04018.62
5.4.200.0830.06016.62
5.4.190.0800.05718.53
5.4.180.0900.05018.64
5.4.170.1000.04718.47
5.4.160.0930.05018.64
5.4.150.0830.06018.66
5.4.140.0800.05016.18
5.4.130.0770.05316.14
5.4.120.0830.04716.05
5.4.110.0870.04716.26
5.4.100.0800.05716.34
5.4.90.0800.05716.29
5.4.80.0900.04716.06
5.4.70.0900.05316.32
5.4.60.0800.05316.28
5.4.50.0930.04316.22
5.4.40.0770.06016.14
5.4.30.0930.04716.27
5.4.20.0930.04715.97
5.4.10.0870.05016.07
5.4.00.0830.05015.55
5.3.290.0930.06014.57
5.3.280.0870.05014.57
5.3.270.0930.04714.55
5.3.260.0830.05714.50
5.3.250.0900.04714.51
5.3.240.0900.04714.60
5.3.230.0870.05014.68
5.3.220.0830.06014.68
5.3.210.0930.04314.46
5.3.200.0870.04714.55
5.3.190.0870.04314.59
5.3.180.0800.05714.55
5.3.170.0770.05014.64
5.3.160.0770.05314.56
5.3.150.0800.05314.59
5.3.140.0900.05014.53
5.3.130.0770.06014.63
5.3.120.0900.05714.57
5.3.110.0800.05714.54
5.3.100.1000.04314.13
5.3.90.0900.04714.01
5.3.80.1000.04014.12
5.3.70.0830.05713.93
5.3.60.0870.05014.09
5.3.50.0900.04314.01
5.3.40.0900.04313.92
5.3.30.0800.05013.89
5.3.20.0900.04313.65
5.3.10.0870.05313.63
5.3.00.0900.05013.72
5.2.170.0770.03711.20
5.2.160.0670.05011.11
5.2.150.0670.04011.17
5.2.140.0670.04311.17
5.2.130.0670.04011.10
5.2.120.0630.04311.07
5.2.110.0670.04011.01
5.2.100.0600.04311.15
5.2.90.0630.04311.05
5.2.80.0730.03311.08
5.2.70.0730.04011.04
5.2.60.0630.04310.97
5.2.50.0700.03711.05
5.2.40.0500.04711.04
5.2.30.0600.04310.97
5.2.20.0500.05011.02
5.2.10.0570.04310.97
5.2.00.0600.04010.85
5.1.60.0500.03710.02
5.1.50.0600.0309.98
5.1.40.0570.0439.98
5.1.30.0630.03010.39
5.1.20.0570.03310.32
5.1.10.0600.03010.05
5.1.00.0500.03710.13
5.0.50.0300.0278.55
5.0.40.0200.0338.46
5.0.30.0300.0408.36
5.0.20.0270.0278.33
5.0.10.0330.0308.29
5.0.00.0270.0538.25
4.4.90.0270.0236.84
4.4.80.0330.0206.84
4.4.70.0330.0206.84
4.4.60.0300.0236.84
4.4.50.0300.0206.84
4.4.40.0270.0376.84
4.4.30.0300.0206.84
4.4.20.0270.0236.84
4.4.10.0270.0276.84
4.4.00.0430.0376.84
4.3.110.0330.0306.84
4.3.100.0370.0206.84
4.3.90.0330.0176.84
4.3.80.0330.0306.84
4.3.70.0370.0136.84
4.3.60.0270.0236.84
4.3.50.0230.0276.84
4.3.40.0270.0336.84
4.3.30.0230.0136.84
4.3.20.0130.0206.84
4.3.10.0170.0206.84
4.3.00.0070.0279.02

preferences:
49.31 ms | 401 KiB | 5 Q