3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = ""; echo chr(0); for ($t=0; $t<128; $t++) $result .= chr($t); echo "strlen = ".strlen($result)."\n"; echo "Result = ".$result."\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)
8.3.40.0070.00718.59
8.3.30.0160.00318.95
8.3.20.0040.00420.15
8.3.10.0080.00021.90
8.3.00.0080.00022.36
8.2.170.0080.00822.96
8.2.160.0060.00918.76
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00326.16
8.2.120.0080.00019.48
8.2.110.0060.00322.13
8.2.100.0080.00317.91
8.2.90.0040.00417.91
8.2.80.0050.00317.97
8.2.70.0080.00017.50
8.2.60.0000.00918.16
8.2.50.0000.00818.07
8.2.40.0050.00317.97
8.2.30.0050.00218.23
8.2.20.0000.00817.77
8.2.10.0000.00919.58
8.2.00.0030.00519.47
8.1.270.0080.00022.09
8.1.260.0070.00026.35
8.1.250.0090.00028.09
8.1.240.0090.00022.42
8.1.230.0080.00320.72
8.1.220.0000.00817.79
8.1.210.0040.00418.91
8.1.200.0090.00017.38
8.1.190.0040.00417.51
8.1.180.0040.00418.77
8.1.170.0040.00418.71
8.1.160.0050.00322.02
8.1.150.0040.00418.60
8.1.140.0000.00717.46
8.1.130.0040.00417.74
8.1.120.0000.00717.46
8.1.110.0040.00417.49
8.1.100.0000.00717.33
8.1.90.0050.00217.45
8.1.80.0000.00717.47
8.1.70.0030.00317.38
8.1.60.0000.01017.54
8.1.50.0040.00417.54
8.1.40.0000.00717.46
8.1.30.0040.00417.57
8.1.20.0000.00817.63
8.1.10.0000.00817.52
8.1.00.0050.00217.46
8.0.300.0000.00719.98
8.0.290.0040.00417.18
8.0.280.0030.00318.52
8.0.270.0000.00717.15
8.0.260.0040.00416.76
8.0.250.0000.00716.88
8.0.240.0000.00616.87
8.0.230.0040.00416.88
8.0.220.0000.00716.79
8.0.210.0000.00716.80
8.0.200.0000.00716.97
8.0.190.0000.00816.96
8.0.180.0080.00016.82
8.0.170.0040.00416.85
8.0.160.0070.00016.94
8.0.150.0030.00316.87
8.0.140.0070.00016.86
8.0.130.0030.00313.32
8.0.120.0000.00816.89
8.0.110.0000.00716.79
8.0.100.0040.00416.71
8.0.90.0070.00016.86
8.0.80.0120.00916.90
8.0.70.0030.00616.98
8.0.60.0080.00016.70
8.0.50.0000.00716.89
8.0.30.0130.01016.89
8.0.20.0090.00917.40
8.0.10.0000.00816.91
8.0.00.0130.00816.91
7.4.330.0000.00615.05
7.4.320.0070.00016.45
7.4.300.0060.00016.45
7.4.290.0080.00016.58
7.4.280.0070.00016.56
7.4.270.0070.00016.40
7.4.260.0000.00716.42
7.4.250.0040.00416.43
7.4.240.0050.00216.57
7.4.230.0070.00016.62
7.4.220.0040.01416.58
7.4.210.0030.01216.54
7.4.200.0000.00716.53
7.4.190.0000.00716.40
7.4.160.0220.00016.27
7.4.150.0100.00717.40
7.4.140.0140.00617.86
7.4.130.0100.01116.45
7.4.120.0070.01016.53
7.4.110.0100.01016.61
7.4.100.0090.00916.36
7.4.90.0090.00916.55
7.4.80.0090.01219.39
7.4.70.0080.01116.50
7.4.60.0030.01316.45
7.4.50.0040.00416.50
7.4.40.0000.01622.77
7.4.30.0060.00916.56
7.4.00.0030.00814.82
7.3.330.0030.00313.17
7.3.320.0030.00313.31
7.3.310.0060.00016.46
7.3.300.0030.00316.33
7.3.290.0090.00616.33
7.3.280.0110.00716.39
7.3.270.0100.00617.40
7.3.260.0050.01116.30
7.3.250.0070.01116.44
7.3.240.0070.01316.44
7.3.230.0180.00616.59
7.3.210.0060.00916.43
7.3.200.0120.00619.39
7.3.190.0090.01316.34
7.3.180.0040.01116.49
7.3.170.0060.01316.38
7.3.160.0000.01616.64
7.3.120.0070.01015.11
7.2.330.0070.01116.54
7.2.320.0080.00816.73
7.2.310.0100.00716.70
7.2.300.0150.00616.84
7.2.290.0060.01216.78
7.2.00.0040.00819.24
7.1.100.0040.00718.18
7.1.70.0000.00717.23
7.1.60.0210.00717.38
7.1.50.0100.01417.13
7.1.00.0030.07722.57
7.0.200.0030.01316.60
7.0.140.0030.07321.98
7.0.60.0100.06319.82
7.0.50.0100.04317.73
7.0.40.0030.06719.92
7.0.30.0230.05020.20
7.0.20.0070.08320.09
7.0.10.0270.08320.13
7.0.00.0100.03720.19
5.6.280.0030.07321.09
5.6.210.0070.03720.66
5.6.200.0070.06018.15
5.6.190.0070.04020.43
5.6.180.3670.03720.41
5.6.170.0300.08020.54
5.6.160.0130.08020.33
5.6.150.0030.03718.07
5.6.140.0070.04018.21
5.6.130.0100.07718.11
5.6.120.0070.08721.03
5.6.110.0130.07720.93
5.6.100.0100.07720.98
5.6.90.0000.07721.07
5.6.80.0300.05720.41
5.6.70.0230.07020.39
5.5.350.0100.07320.34
5.5.340.0170.05318.02
5.5.330.0070.04020.24
5.5.320.0200.03720.18
5.5.310.0200.08320.21
5.5.300.0170.06317.96
5.5.290.0130.07017.93
5.5.280.0030.04720.86
5.5.270.0030.04320.64
5.5.260.0100.03720.86
5.5.250.0100.08320.49
5.5.240.0100.05320.15
5.4.450.0570.05719.64
5.4.440.0600.06019.41
5.4.430.0170.05719.68
5.4.420.0130.05019.51
5.4.410.0100.05319.52
5.4.400.0830.00018.77
5.4.390.0800.00018.52
5.4.380.0230.06018.56
5.4.370.0270.05318.62
5.4.360.0270.04018.62
5.4.350.0200.05018.70
5.4.340.0100.05318.50
5.4.320.0090.03312.45
5.4.310.0110.04212.45
5.4.300.0060.04012.45
5.4.290.0070.03712.45
5.4.280.0030.03812.35
5.4.270.0100.05018.73
5.4.260.0200.06318.89
5.4.250.0130.06718.88
5.4.240.0030.05718.63
5.4.230.0030.05718.98
5.4.220.0130.06718.73
5.4.210.0070.05018.84
5.4.200.0170.06719.00
5.4.190.0100.07018.89
5.4.180.0100.06318.98
5.4.170.0200.06018.68
5.4.160.0070.07318.84
5.4.150.0000.08318.72
5.4.140.0070.05016.40
5.4.130.0070.05316.42
5.4.120.0000.05716.20
5.4.110.0130.05716.20
5.4.100.0000.05716.50
5.4.90.0070.05316.32
5.4.80.0070.05016.36
5.4.70.0100.05316.44
5.4.60.0070.06016.20
5.4.50.0000.05316.28
5.4.40.0070.04716.28
5.4.30.0100.04316.35
5.4.20.0170.04316.42
5.4.10.0030.05316.35
5.4.00.0070.05015.90
5.3.290.0060.04112.80
5.3.280.0170.06714.61
5.3.270.0070.07014.62
5.3.260.0030.05314.62
5.3.250.0130.05314.52
5.3.240.0030.05314.45
5.3.230.0070.05014.69
5.3.220.0230.05314.26
5.3.210.0130.05714.58
5.3.200.0170.04014.60
5.3.190.0030.06014.58
5.3.180.0000.05714.57
5.3.170.0030.05314.43
5.3.160.0100.04714.48
5.3.150.0070.05014.33
5.3.140.0130.04314.39
5.3.130.0030.05714.57
5.3.120.0130.05014.56
5.3.110.0030.06714.43
5.3.100.0100.06313.73
5.3.90.0070.07314.02
5.3.80.0130.04714.03
5.3.70.0070.05713.87
5.3.60.0100.06014.09
5.3.50.0170.04013.71
5.3.40.0100.05713.73
5.3.30.0130.04713.74
5.3.20.0130.04013.70
5.3.10.0130.04313.66
5.3.00.0070.05013.51
5.2.170.0130.04711.07
5.2.160.0030.05711.14
5.2.150.0030.04711.16
5.2.140.0030.05311.15
5.2.130.0030.04311.09
5.2.120.0100.03711.09
5.2.110.0070.03710.93
5.2.100.0030.06011.12
5.2.90.0000.06010.98
5.2.80.0130.03310.99
5.2.70.0100.03311.01
5.2.60.0070.05310.88
5.2.50.0100.03711.03
5.2.40.0030.04311.00
5.2.30.0070.05710.97
5.2.20.0070.04010.97
5.2.10.0100.04010.75
5.2.00.0070.03710.79
5.1.60.0070.03310.23
5.1.50.0070.04310.04
5.1.40.0070.0439.91
5.1.30.0030.03710.39
5.1.20.0030.04710.35
5.1.10.0030.04310.05
5.1.00.0070.0339.97
5.0.50.0030.0338.53
5.0.40.0170.0238.49
5.0.30.0000.0508.20
5.0.20.0030.0308.23
5.0.10.0130.0308.08
5.0.00.0100.0408.30
4.4.90.0070.0276.82
4.4.80.0000.0236.82
4.4.70.0070.0236.82
4.4.60.0100.0176.82
4.4.50.0000.0236.82
4.4.40.0030.0336.82
4.4.30.0030.0306.82
4.4.20.0030.0206.82
4.4.10.0030.0206.82
4.4.00.0000.0406.82
4.3.110.0000.0306.82
4.3.100.0030.0206.82
4.3.90.0030.0176.82
4.3.80.0000.0476.82
4.3.70.0030.0206.82
4.3.60.0030.0306.82
4.3.50.0030.0236.82
4.3.40.0030.0436.82
4.3.30.0030.0276.82
4.3.20.0000.0306.82
4.3.10.0030.0206.82
4.3.00.0100.0207.38

preferences:
40.57 ms | 400 KiB | 5 Q