3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $str = ''; while ($val > 0) { $str .= $chars[$val % $base]; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chars[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } //$vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); $vals = array(1); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if (strlen($enc)+2 > strlen($val)) { echo "\"$enc\" $val WORSE\n"; } else if (strlen($enc)+2 == strlen($val)) { echo "\"$enc\" $val EQUAL\n"; } else { echo "\"$enc\" $val\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)
8.3.60.0070.01116.63
8.3.50.0100.00522.96
8.3.40.0120.00318.60
8.3.30.0080.00619.21
8.3.20.0000.00820.34
8.3.10.0040.00421.90
8.3.00.0080.00017.63
8.2.180.0030.01218.18
8.2.170.0070.00722.96
8.2.160.0100.00322.08
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0070.01026.16
8.2.120.0040.00420.89
8.2.110.0090.00022.30
8.2.100.0120.00317.72
8.2.90.0090.00019.39
8.2.80.0050.00317.97
8.2.70.0000.00817.50
8.2.60.0040.00418.04
8.2.50.0050.00518.07
8.2.40.0060.00318.13
8.2.30.0040.00418.04
8.2.20.0040.00417.89
8.2.10.0000.00718.16
8.2.00.0040.00417.72
8.1.280.0090.00925.92
8.1.270.0060.00323.87
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00023.97
8.1.230.0040.00719.08
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0080.00017.48
8.1.190.0000.00817.23
8.1.180.0030.00518.10
8.1.170.0030.00618.65
8.1.160.0080.00022.00
8.1.150.0000.00818.91
8.1.140.0000.00817.45
8.1.130.0000.00717.90
8.1.120.0030.00517.52
8.1.110.0050.00517.34
8.1.100.0000.00817.49
8.1.90.0040.00417.56
8.1.80.0000.00717.55
8.1.70.0030.00317.37
8.1.60.0030.00617.62
8.1.50.0080.00017.54
8.1.40.0080.00017.61
8.1.30.0030.00617.58
8.1.20.0030.00717.54
8.1.10.0000.00717.57
8.1.00.0030.00517.56
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.49
8.0.270.0100.00017.28
8.0.260.0000.01017.23
8.0.250.0000.00717.00
8.0.240.0040.00416.96
8.0.230.0070.00017.00
8.0.220.0000.00716.83
8.0.210.0030.00316.82
8.0.200.0030.00316.97
8.0.190.0040.00416.95
8.0.180.0040.00416.85
8.0.170.0070.00016.97
8.0.160.0070.00016.89
8.0.150.0040.00416.71
8.0.140.0040.00416.95
8.0.130.0050.00013.32
8.0.120.0000.01016.89
8.0.110.0050.00316.82
8.0.100.0000.00716.73
8.0.90.0050.00316.91
8.0.80.0100.00716.94
8.0.70.0070.00016.87
8.0.60.0070.00016.71
8.0.50.0000.00716.93
8.0.30.0040.01516.94
8.0.20.0060.01417.40
8.0.10.0000.00717.01
8.0.00.0110.00616.81
7.4.330.0050.00015.02
7.4.320.0030.00316.59
7.4.300.0000.00616.57
7.4.290.0030.00316.69
7.4.280.0040.00416.64
7.4.270.0030.00316.55
7.4.260.0030.00716.43
7.4.250.0000.00816.51
7.4.240.0000.00716.57
7.4.230.0000.00816.64
7.4.220.0140.00316.71
7.4.210.0070.00716.55
7.4.200.0000.00716.66
7.4.160.0090.00616.43
7.4.150.0040.01317.40
7.4.140.0120.00517.86
7.4.130.0040.01316.56
7.4.120.0080.01216.49
7.4.110.0130.00716.54
7.4.100.0130.00416.55
7.4.90.0060.00916.56
7.4.80.0110.01119.39
7.4.70.0120.00616.69
7.4.60.0060.00916.61
7.4.50.0000.00816.71
7.4.40.0180.00416.59
7.4.30.0100.00716.53
7.4.00.0110.00315.09
7.3.330.0030.00313.23
7.3.320.0000.00513.31
7.3.310.0000.00716.40
7.3.300.0030.00316.27
7.3.290.0100.00316.46
7.3.280.0050.01116.40
7.3.270.0070.01017.40
7.3.260.0120.00616.73
7.3.250.0100.00916.52
7.3.240.0100.00716.38
7.3.230.0080.01516.46
7.3.210.0090.00916.38
7.3.200.0090.00919.39
7.3.190.0100.00716.47
7.3.180.0090.00616.43
7.3.170.0070.01016.53
7.3.160.0130.00316.70
7.3.120.0070.01014.76
7.3.110.0100.00714.84
7.3.100.0000.01414.60
7.3.90.0040.01114.97
7.3.80.0030.01015.22
7.3.70.0040.00714.93
7.3.60.0130.00314.94
7.3.50.0100.00714.94
7.3.40.0090.00915.11
7.3.30.0080.00415.00
7.3.20.0080.00816.70
7.3.10.0060.00816.69
7.3.00.0070.00716.70
7.2.330.0040.01216.80
7.2.320.0100.00616.84
7.2.310.0090.00916.82
7.2.300.0080.00816.75
7.2.290.0110.01116.61
7.2.250.0100.01015.04
7.2.240.0040.01515.09
7.2.230.0060.00615.24
7.2.220.0090.00915.19
7.2.210.0060.00915.20
7.2.200.0040.00715.04
7.2.190.0070.01015.04
7.2.180.0130.00615.03
7.2.170.0040.01515.15
7.2.130.0040.01116.78
7.2.120.0100.00317.09
7.2.110.0070.00316.84
7.2.100.0000.01416.91
7.2.90.0070.01016.68
7.2.80.0100.00717.07
7.2.70.0030.00716.94
7.2.60.0050.01016.85
7.2.50.0090.00616.80
7.2.40.0070.00416.94
7.2.30.0110.00317.14
7.2.20.0070.00716.97
7.2.10.0100.00017.00
7.2.00.0080.00618.09
7.1.330.0070.00715.88
7.1.320.0030.00615.74
7.1.310.0060.00915.92
7.1.300.0080.00615.64
7.1.290.0040.01415.51
7.1.280.0040.00515.94
7.1.270.0070.00315.83
7.1.260.0060.00615.79
7.1.250.0100.00015.78
7.1.200.0080.00415.63
7.1.100.0050.00318.15
7.1.70.0000.01117.08
7.1.60.0030.01019.40
7.1.50.0100.01317.09
7.1.00.0000.08022.30
7.0.200.0000.00916.80
7.0.140.0030.07322.09
7.0.60.0200.07019.99
7.0.50.0030.04317.88
7.0.40.0000.04720.40
7.0.30.0530.07720.13
7.0.20.0370.06720.15
7.0.10.0170.08020.09
7.0.00.0030.08320.20
5.6.280.0070.07321.13
5.6.210.0100.07320.50
5.6.200.0170.07318.16
5.6.190.0070.07020.60
5.6.180.0300.04320.41
5.6.170.0300.08320.54
5.6.160.0130.07320.46
5.6.150.0130.07318.15
5.6.140.0030.06718.16
5.6.130.0070.05018.14
5.6.120.0170.06020.97
5.6.110.0070.09321.14
5.6.100.0000.04321.00
5.6.90.0100.07020.97
5.6.80.0070.05320.54
5.6.70.2700.04020.51
5.5.350.0230.04320.43
5.5.340.0000.04018.05
5.5.330.0030.04020.13
5.5.320.0270.07720.36
5.5.310.0230.05020.42
5.5.300.0070.05018.04
5.5.290.0130.06718.02
5.5.280.0130.03020.78
5.5.270.0070.08020.77
5.5.260.0030.04020.77
5.5.250.0170.07320.51
5.5.240.0270.07720.26
5.4.450.1030.06319.47
5.4.440.0970.05719.34
5.4.430.0830.05719.13
5.4.420.0070.05719.53
5.4.410.0030.06019.33
5.4.400.0570.05718.85
5.4.390.0370.06018.73
5.4.380.0570.07318.79
5.4.370.0300.05718.48
5.4.360.0600.05318.61
5.4.350.0090.03412.03
5.4.340.0110.04712.02
5.4.320.0040.03712.51
5.4.310.0060.03712.50
5.4.300.0070.03612.51
5.4.290.0060.03712.50
5.4.280.0070.03512.40
5.4.270.0090.03312.40
5.4.260.0030.04012.40
5.4.250.0040.03912.40
5.4.240.0060.03612.40
5.4.230.0080.03612.39
5.4.220.0050.03612.39
5.4.210.0040.03712.40
5.4.200.0060.03712.40
5.4.190.0060.03612.39
5.4.180.0050.03612.39
5.4.170.0030.04012.39
5.4.160.0040.03812.39
5.4.150.0040.03712.39
5.4.140.0070.03812.08
5.4.130.0070.03412.06
5.4.120.0080.03312.02
5.4.110.0070.05112.02
5.4.100.0110.03812.02
5.4.90.0050.03912.02
5.4.80.0070.03512.02
5.4.70.0050.03512.01
5.4.60.0060.03512.01
5.4.50.0080.03412.01
5.4.40.0080.03312.00
5.4.30.0040.03712.00
5.4.20.0060.03712.00
5.4.10.0060.03412.00
5.4.00.0080.03411.49
5.3.290.0050.03912.80
5.3.280.0070.03612.71
5.3.270.0090.03612.72
5.3.260.0060.03912.72
5.3.250.0030.04012.72
5.3.240.0080.03612.72
5.3.230.0110.03912.71
5.3.220.0050.04112.68
5.3.210.0040.04212.68
5.3.200.0090.04012.68
5.3.190.0060.03712.68
5.3.180.0040.03912.67
5.3.170.0060.03612.67
5.3.160.0070.03512.67
5.3.150.0060.03812.67
5.3.140.0040.03912.66
5.3.130.0060.04012.66
5.3.120.0080.03812.66
5.3.110.0040.04112.66
5.3.100.0040.03812.12
5.3.90.0080.03412.11
5.3.80.0060.03612.10
5.3.70.0060.03612.10
5.3.60.0050.03812.08
5.3.50.0050.03712.03
5.3.40.0030.03912.03
5.3.30.0060.03411.99
5.3.20.0040.03611.78
5.3.10.0050.03611.73
5.3.00.0030.03911.73
5.2.170.0020.0339.23
5.2.160.0070.0289.23
5.2.150.0040.0369.23
5.2.140.0050.0299.22
5.2.130.0030.0309.18
5.2.120.0070.0269.19
5.2.110.0040.0309.20
5.2.100.0030.0319.19
5.2.90.0040.0319.18
5.2.80.0070.0299.18
5.2.70.0040.0319.18
5.2.60.0050.0329.14
5.2.50.0040.0319.11
5.2.40.0030.0309.09
5.2.30.0060.0289.06
5.2.20.0050.0289.05
5.2.10.0060.0278.96
5.2.00.0040.0308.82
5.1.60.0060.0238.10
5.1.50.0060.0248.10
5.1.40.0050.0248.08
5.1.30.0040.0268.43
5.1.20.0060.0338.45
5.1.10.0050.0258.18
5.1.00.0060.0308.18
5.0.50.0060.0276.66
5.0.40.0040.0286.53
5.0.30.0040.0416.34
5.0.20.0030.0306.30
5.0.10.0090.0266.28
5.0.00.0070.0306.28
4.4.90.0020.0184.78
4.4.80.0040.0194.75
4.4.70.0030.0194.76
4.4.60.0040.0164.75
4.4.50.0030.0174.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0010.0174.66
4.3.90.0050.0134.64
4.3.80.0040.0244.58
4.3.70.0020.0234.63
4.3.60.0040.0204.63
4.3.50.0040.0154.63
4.3.40.0030.0244.54
4.3.30.0040.0143.32
4.3.20.0040.0133.30
4.3.10.0010.0163.27
4.3.00.0100.02310.97

preferences:
43.59 ms | 401 KiB | 5 Q