3v4l.org

run code in 300+ PHP versions simultaneously
<?php $m = 123456; echo strval($m)[0] . "\n";

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)
8.3.60.0100.01016.75
8.3.50.0140.00718.15
8.3.40.0130.00318.71
8.3.30.0080.00818.85
8.3.20.0030.00320.34
8.3.10.0000.00721.91
8.3.00.0000.00819.36
8.2.180.0120.00918.29
8.2.170.0140.00722.96
8.2.160.0080.00820.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.23
8.2.110.0060.00322.16
8.2.100.0080.00317.91
8.2.90.0030.00618.97
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0000.00820.07
8.2.30.0040.00418.10
8.2.20.0030.00617.74
8.2.10.0000.00817.86
8.2.00.0000.00717.66
8.1.280.0100.01025.92
8.1.270.0080.00018.95
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00420.89
8.1.230.0040.00821.03
8.1.220.0030.00517.74
8.1.210.0000.00718.77
8.1.200.0000.00817.35
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0060.00318.59
8.1.160.0000.00821.93
8.1.150.0070.00018.75
8.1.140.0040.00417.36
8.1.130.0070.00017.80
8.1.120.0040.00417.44
8.1.110.0040.00417.41
8.1.100.0070.00017.45
8.1.90.0000.00717.41
8.1.80.0040.00417.43
8.1.70.0070.00017.42
8.1.60.0040.00817.56
8.1.50.0060.00317.50
8.1.40.0000.00917.56
8.1.30.0080.00017.62
8.1.20.0040.00417.64
8.1.10.0040.00417.53
8.1.00.0030.00617.39
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0050.00218.36
8.0.270.0000.00817.17
8.0.260.0000.00617.16
8.0.250.0040.00416.82
8.0.240.0000.00616.82
8.0.230.0070.00016.93
8.0.220.0000.00716.93
8.0.210.0040.00416.85
8.0.200.0060.00016.94
8.0.190.0000.00716.94
8.0.180.0030.00516.90
8.0.170.0040.00416.92
8.0.160.0040.00416.95
8.0.150.0000.00816.66
8.0.140.0070.00016.73
8.0.130.0000.00513.33
8.0.120.0000.00716.85
8.0.110.0050.00216.82
8.0.100.0040.00416.91
8.0.90.0000.00716.66
8.0.80.0030.01316.93
8.0.70.0040.00416.95
8.0.60.0040.00416.64
8.0.50.0070.00016.88
8.0.30.0110.01217.18
8.0.20.0160.01017.40
8.0.10.0040.00416.76
8.0.00.0100.00716.72
7.4.330.0050.00015.15
7.4.320.0030.00316.63
7.4.300.0060.00016.48
7.4.290.0050.00216.55
7.4.280.0060.00316.50
7.4.270.0060.00016.48
7.4.260.0030.00616.52
7.4.250.0070.00016.50
7.4.240.0000.00716.50
7.4.230.0000.00716.49
7.4.220.0120.00616.51
7.4.210.0170.00016.52
7.4.200.0020.00516.70
7.4.160.0090.00616.57
7.4.150.0150.00417.40
7.4.140.0110.00817.86
7.4.130.0110.00716.53
7.4.120.0100.00816.37
7.4.110.0140.01116.45
7.4.100.0060.01316.47
7.4.90.0100.01016.52
7.4.80.0070.01019.39
7.4.70.0070.01316.72
7.4.60.0030.01316.49
7.4.50.0030.00616.17
7.4.40.0090.00616.50
7.4.30.0060.01216.73
7.4.00.0110.00615.02
7.3.330.0050.00013.17
7.3.320.0080.00413.07
7.3.310.0070.00016.38
7.3.300.0030.00316.35
7.3.290.0070.01016.33
7.3.280.0050.01016.35
7.3.270.0170.00017.40
7.3.260.0090.00916.29
7.3.250.0120.00816.38
7.3.240.0090.00616.36
7.3.230.0030.01916.39
7.3.210.0030.01416.38
7.3.200.0070.01019.39
7.3.190.0060.00916.37
7.3.180.0040.01116.60
7.3.170.0070.01016.57
7.3.160.0100.00616.41
7.3.120.0070.01014.99
7.3.110.0000.01414.61
7.3.100.0000.01014.79
7.3.90.0110.00314.88
7.3.80.0030.01014.91
7.3.70.0030.00614.60
7.3.60.0110.00314.97
7.3.50.0070.00714.78
7.3.40.0130.00314.76
7.3.30.0060.00914.73
7.3.20.0110.00416.60
7.3.10.0090.00616.91
7.3.00.0030.01016.50
7.2.330.0160.00316.69
7.2.320.0150.00316.73
7.2.310.0100.00716.61
7.2.300.0060.01316.73
7.2.290.0040.01316.68
7.2.250.0080.01114.93
7.2.240.0000.01714.95
7.2.230.0060.00914.94
7.2.220.0070.00314.96
7.2.210.0030.01314.98
7.2.200.0090.00014.93
7.2.190.0030.00715.05
7.2.180.0000.00815.16
7.2.170.0060.00914.86
7.1.330.0130.00315.54
7.1.320.0030.01015.84
7.1.310.0040.01115.80
7.1.300.0100.00015.87
7.1.290.0060.00315.60
7.1.280.0070.00715.71
7.1.270.0070.00315.74
7.1.260.0140.00015.82
7.1.70.0030.00617.16
7.1.60.0090.01519.50
7.1.50.0100.01316.92
7.1.00.0070.06722.54
7.0.200.0030.00615.03
7.0.140.0030.07321.92
7.0.60.0130.03319.90
7.0.50.0000.05017.88
7.0.40.0100.08320.05
7.0.30.0300.08020.13
7.0.20.0300.04020.19
7.0.10.0000.08720.09
7.0.00.0000.05320.41
5.6.280.0100.06720.91
5.6.210.0100.04020.66
5.6.200.0070.06718.08
5.6.190.0070.04020.41
5.6.180.0400.03320.63
5.6.170.0170.05020.54
5.6.160.0000.05020.71
5.6.150.0030.03718.28
5.6.140.0070.07718.20
5.6.130.0000.04718.17
5.6.120.0130.08021.07
5.6.110.0130.04720.88
5.6.100.0030.04021.13
5.6.90.0200.06020.98
5.6.80.0070.07320.50
5.5.350.0230.06720.41
5.5.340.0100.06718.00
5.5.330.0130.08020.37
5.5.320.0230.05020.34
5.5.310.0200.04320.32
5.5.300.0100.06717.91
5.5.290.0070.06717.92
5.5.280.0100.06720.86
5.5.270.0070.04320.84
5.5.260.0070.03720.96
5.5.250.0130.03320.49
5.5.240.0030.07720.12
5.4.450.0730.04719.09
5.4.440.0930.05719.32
5.4.430.1030.05019.51
5.4.420.0030.06019.48
5.4.410.1130.06719.50
5.4.400.0800.06318.60
5.4.390.0830.06018.73
5.4.380.0170.05018.74
5.4.370.0130.05018.77
5.4.360.0430.05318.53
5.4.350.0830.06018.64
5.4.340.1000.06318.56
5.4.320.1170.06318.56
5.4.310.1100.05718.69
5.4.300.1330.06718.62
5.4.290.1900.05718.77
5.4.280.1130.06318.56
5.4.270.1170.06318.71
5.4.260.1330.06318.68
5.4.250.1800.06018.77
5.4.240.1370.06718.61
5.4.230.2000.06018.45
5.4.220.1000.05318.57
5.4.210.2530.06018.67
5.4.200.1000.05716.50
5.4.190.0930.05318.55
5.4.180.0830.06318.57
5.4.170.1030.05018.47
5.4.160.0900.05718.60
5.4.150.2270.06018.54
5.4.140.1070.05316.17
5.4.130.1000.05016.26
5.4.120.1730.04316.35
5.4.110.1170.05016.24
5.4.100.1130.05016.08
5.4.90.1230.04716.25
5.4.80.0870.06016.24
5.4.70.0700.05016.29
5.4.60.0170.04716.25
5.4.50.0130.04716.09
5.4.40.1500.04716.13
5.4.30.0870.05715.99
5.4.20.1000.05316.26
5.4.10.1100.05316.08
5.4.00.2100.04715.60
5.3.290.1230.04314.67
5.3.280.1070.05314.51
5.3.270.1230.04014.52
5.3.260.1200.04314.64
5.3.250.1000.05714.66
5.3.240.0870.05014.54
5.3.230.0830.05314.52
5.3.220.0830.05014.55
5.3.210.0800.06014.47
5.3.200.1070.05014.57
5.3.190.1070.05314.48
5.3.180.1270.05314.57
5.3.170.2000.05314.54
5.3.160.1070.05014.46
5.3.150.1670.04714.56
5.3.140.0970.04314.55
5.3.130.1030.05014.50
5.3.120.1970.06314.64
5.3.110.0830.06314.58
5.3.100.0830.05013.99
5.3.90.0970.06714.00
5.3.80.1600.05314.10
5.3.70.1100.06014.11
5.3.60.1770.04714.10
5.3.50.1270.05313.89
5.3.40.1070.05013.90
5.3.30.1830.03713.85
5.3.20.1630.05013.77
5.3.10.0830.05313.66
5.3.00.0730.06713.73
5.2.170.0700.04311.20
5.2.160.1300.03711.32
5.2.150.0900.04011.14
5.2.140.0800.05011.14
5.2.130.1930.04311.09
5.2.120.0870.04011.07
5.2.110.1230.04711.03
5.2.100.0870.04011.07
5.2.90.0930.03711.07
5.2.80.1030.04711.15
5.2.70.1370.04711.08
5.2.60.0900.04711.03
5.2.50.1630.04311.07
5.2.40.0770.04310.95
5.2.30.0770.04310.93
5.2.20.0670.04310.88
5.2.10.1400.03710.96
5.2.00.0630.03710.75
5.1.60.0630.03010.06
5.1.50.0670.03710.07
5.1.40.0670.03710.00
5.1.30.0770.03310.36
5.1.20.1100.06010.36
5.1.10.0770.04310.16
5.1.00.0770.03310.06
5.0.50.0300.0378.62
5.0.40.0330.0338.55
5.0.30.0400.0508.24
5.0.20.0500.0238.31
5.0.10.0400.0308.30
5.0.00.0430.0408.18
4.4.90.0270.0235.91
4.4.80.0370.0175.81
4.4.70.0300.0235.82
4.4.60.0330.0205.88
4.4.50.0400.0235.83
4.4.40.0330.0375.89
4.4.30.0400.0205.90
4.4.20.0330.0205.91
4.4.10.1000.0235.94
4.4.00.0400.0335.95
4.3.110.0400.0235.80
4.3.100.0270.0205.75
4.3.90.0300.0275.77
4.3.80.0430.0275.79
4.3.70.0300.0275.77
4.3.60.0270.0235.91
4.3.50.0430.0305.81
4.3.40.0300.0405.80
4.3.30.0100.0274.64
4.3.20.0100.0274.62
4.3.10.0070.0204.48
4.3.00.0070.0237.41

preferences:
44.57 ms | 400 KiB | 5 Q