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] . $str; $val = (int)($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; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 1023410115, 4294967295, 4294967296); foreach ($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)
8.3.60.0060.01316.50
8.3.50.0180.00423.00
8.3.40.0130.00318.79
8.3.30.0060.00919.14
8.3.20.0040.00420.34
8.3.10.0040.00421.61
8.3.00.0040.00417.46
8.2.180.0100.00616.63
8.2.170.0120.00322.96
8.2.160.0080.00622.15
8.2.150.0070.00324.18
8.2.140.0040.00424.66
8.2.130.0180.00026.16
8.2.120.0060.00321.05
8.2.110.0060.00320.39
8.2.100.0110.00017.78
8.2.90.0040.00419.38
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0070.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00818.16
8.2.30.0000.00818.22
8.2.20.0000.00717.79
8.2.10.0000.00718.04
8.2.00.0000.00817.70
8.1.280.0060.01625.92
8.1.270.0050.00323.85
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00420.90
8.1.230.0040.00819.03
8.1.220.0000.00817.77
8.1.210.0060.00318.77
8.1.200.0030.00917.35
8.1.190.0000.00917.23
8.1.180.0000.00818.10
8.1.170.0090.00018.50
8.1.160.0000.00721.95
8.1.150.0040.00418.96
8.1.140.0000.00817.43
8.1.130.0070.00017.86
8.1.120.0040.00417.46
8.1.110.0030.00517.50
8.1.100.0000.00717.39
8.1.90.0000.00717.48
8.1.80.0040.00317.38
8.1.70.0000.00717.49
8.1.60.0000.00817.67
8.1.50.0000.00817.49
8.1.40.0060.00317.48
8.1.30.0080.00017.59
8.1.20.0030.00517.70
8.1.10.0050.00317.62
8.1.00.0040.00417.55
8.0.300.0060.00318.77
8.0.290.0020.00516.75
8.0.280.0030.00318.52
8.0.270.0060.00317.29
8.0.260.0030.00617.35
8.0.250.0030.00316.88
8.0.240.0080.00016.99
8.0.230.0030.00416.88
8.0.220.0000.00717.00
8.0.210.0070.00016.93
8.0.200.0070.00016.89
8.0.190.0040.00416.90
8.0.180.0040.00416.85
8.0.170.0040.00416.99
8.0.160.0000.00716.86
8.0.150.0040.00416.84
8.0.140.0080.00016.95
8.0.130.0030.00313.35
8.0.120.0040.00416.87
8.0.110.0000.00816.83
8.0.100.0030.00516.88
8.0.90.0070.00016.91
8.0.80.0090.00616.94
8.0.70.0070.00016.96
8.0.60.0000.00716.80
8.0.50.0000.00716.99
8.0.30.0140.00717.09
8.0.20.0090.00917.40
8.0.10.0040.00416.91
8.0.00.0130.00516.90
7.4.330.0000.00515.15
7.4.320.0000.00616.64
7.4.300.0020.00516.64
7.4.290.0000.00716.43
7.4.280.0040.00416.64
7.4.270.0000.00816.63
7.4.260.0100.00016.43
7.4.250.0000.00916.50
7.4.240.0020.00516.52
7.4.230.0060.00316.73
7.4.220.0100.01016.72
7.4.210.0110.00316.66
7.4.200.0040.00416.57
7.4.160.0120.01216.69
7.4.150.0170.01017.40
7.4.140.0120.00617.86
7.4.130.0130.01616.58
7.4.120.0060.01516.63
7.4.110.0090.00816.67
7.4.100.0160.00616.59
7.4.90.0100.00816.41
7.4.80.0110.01419.39
7.4.70.0090.00916.43
7.4.60.0000.01816.70
7.4.50.0050.00316.58
7.4.40.0060.01416.61
7.4.30.0100.00616.36
7.4.00.0100.00614.88
7.3.330.0030.00313.43
7.3.320.0050.00013.20
7.3.310.0030.00316.36
7.3.300.0070.00016.32
7.3.290.0040.01116.41
7.3.280.0110.00616.35
7.3.270.0090.00817.40
7.3.260.0070.01016.63
7.3.240.0060.01716.46
7.3.230.0100.00616.39
7.3.210.0140.00316.38
7.3.200.0110.00619.39
7.3.190.0080.00816.65
7.3.180.0130.00316.36
7.3.170.0150.00616.64
7.3.160.0070.01016.48
7.3.10.0130.01016.22
7.3.00.0320.00416.15
7.2.330.0150.00416.46
7.2.320.0040.01216.79
7.2.310.0110.00716.53
7.2.300.0040.01216.45
7.2.290.0080.00816.79
7.2.130.0210.00416.79
7.2.120.0060.00916.56
7.2.110.0610.01216.95
7.2.100.0130.01016.94
7.2.90.0160.01016.72
7.2.80.0150.01216.65
7.2.70.0130.00716.56
7.2.60.0070.01116.75
7.2.50.0160.00316.57
7.2.40.0170.01016.96
7.2.30.0070.01516.74
7.2.20.0220.01316.29
7.2.10.0200.00316.34
7.2.00.0190.00717.79
7.1.250.0280.00615.38
7.1.200.0050.01015.69
7.1.100.0000.01017.93
7.1.70.0040.00416.93
7.1.60.0060.00619.40
7.1.50.0070.01016.98
7.1.00.0030.07722.57
7.0.200.0050.00216.73
7.0.140.0100.07022.07
7.0.60.0070.08320.09
7.0.50.0070.05017.98
7.0.40.0070.08720.09
7.0.30.0230.04320.13
7.0.20.0100.04720.12
7.0.10.0000.09320.25
7.0.00.0100.08020.33
5.6.280.0100.07020.79
5.6.210.0070.07720.64
5.6.200.0070.06018.27
5.6.190.0100.08320.55
5.6.180.0300.05020.63
5.6.170.0400.06720.55
5.6.160.0130.06720.41
5.6.150.0100.07018.28
5.6.140.0000.06018.24
5.6.130.0000.04718.12
5.6.120.0170.07021.02
5.6.110.0030.08020.95
5.6.100.0000.04721.12
5.6.90.0100.06321.14
5.6.80.0000.04720.36
5.5.350.0030.03720.39
5.5.340.0070.08718.09
5.5.330.0200.07020.47
5.5.320.0030.08720.27
5.5.310.0300.08020.24
5.5.300.0070.04717.99
5.5.290.0030.04717.93
5.5.280.0170.06320.86
5.5.270.0070.06320.78
5.5.260.0030.04020.99
5.5.250.0030.04320.47
5.5.240.3830.04020.28
5.4.450.0370.04019.56
5.4.440.0170.04719.22
5.4.430.0130.04719.16
5.4.420.0430.04319.55
5.4.410.0400.03019.38
5.4.400.0630.03718.88
5.4.390.0300.04018.98
5.4.380.0100.05318.69
5.4.370.0100.05018.73
5.4.360.0170.05018.73
5.4.350.0170.05318.52
5.4.340.0100.05318.59
5.4.320.0100.04912.52
5.4.310.0140.06412.51
5.4.300.0090.04012.52
5.4.290.0100.03612.52
5.4.280.0060.04012.41
5.4.270.0060.03712.41
5.4.260.0110.04212.41
5.4.250.0070.04912.41
5.4.240.0060.04412.41
5.4.230.0020.04312.40
5.4.220.0050.04212.41
5.4.210.0090.04312.40
5.4.200.0070.04012.40
5.4.190.0110.03212.40
5.4.180.0050.03712.40
5.4.170.0070.03512.41
5.4.160.0090.03912.40
5.4.150.0060.04012.40
5.4.140.0090.03412.08
5.4.130.0140.03612.07
5.4.120.0050.04112.03
5.4.110.0090.03412.02
5.4.100.0070.05612.03
5.4.90.0060.04312.03
5.4.80.0070.04412.03
5.4.70.0050.04012.02
5.4.60.0060.03612.02
5.4.50.0060.03612.02
5.4.40.0080.03312.01
5.4.30.0040.03812.00
5.4.20.0060.03612.00
5.4.10.0060.03612.01
5.4.00.0040.04311.50
5.3.290.0060.04612.80
5.3.280.0070.03912.71
5.3.270.0040.04112.72
5.3.260.0040.04212.72
5.3.250.0040.04112.72
5.3.240.0070.04712.72
5.3.230.0110.05212.71
5.3.220.0040.06512.68
5.3.210.0100.05612.68
5.3.200.0110.05312.68
5.3.190.0130.05712.68
5.3.180.0080.04012.68
5.3.170.0030.04312.67
5.3.160.0050.04212.67
5.3.150.0100.05412.67
5.3.140.0100.05312.66
5.3.130.0060.06212.66
5.3.120.0030.04412.66
5.3.110.0120.03612.65
5.3.100.0090.03612.13
5.3.90.0040.04012.12
5.3.80.0080.03912.11
5.3.70.0100.03312.11
5.3.60.0050.05512.09
5.3.50.0090.04912.04
5.3.40.0040.04312.05
5.3.30.0080.03312.00
5.3.20.0060.03711.79
5.3.10.0040.03711.75
5.3.00.0060.03611.73
5.2.170.0040.0319.23
5.2.160.0040.0329.24
5.2.150.0030.0339.23
5.2.140.0070.0309.23
5.2.130.0040.0309.19
5.2.120.0050.0309.20
5.2.110.0060.0289.20
5.2.100.0040.0299.20
5.2.90.0040.0309.19
5.2.80.0060.0339.19
5.2.70.0060.0299.20
5.2.60.0060.0299.15
5.2.50.0030.0319.12
5.2.40.0060.0279.09
5.2.30.0050.0309.07
5.2.20.0040.0299.06
5.2.10.0060.0338.96
5.2.00.0040.0328.83
5.1.60.0070.0228.11
5.1.50.0050.0258.11
5.1.40.0040.0258.09
5.1.30.0030.0308.44
5.1.20.0090.0248.46
5.1.10.0040.0328.19
5.1.00.0050.0258.18
5.0.50.0020.0236.68
5.0.40.0040.0206.53
5.0.30.0030.0336.35
5.0.20.0060.0176.31
5.0.10.0040.0206.29
5.0.00.0030.0326.28
4.4.90.0020.0174.78
4.4.80.0030.0164.76
4.4.70.0020.0174.75
4.4.60.0000.0194.75
4.4.50.0050.0144.77
4.4.40.0010.0284.71
4.4.30.0020.0174.76
4.4.20.0020.0184.85
4.4.10.0030.0164.85
4.4.00.0020.0264.76
4.3.110.0040.0154.67
4.3.100.0010.0184.66
4.3.90.0030.0154.64
4.3.80.0050.0324.58
4.3.70.0060.0124.63
4.3.60.0020.0174.62
4.3.50.0040.0174.63
4.3.40.0050.0234.54
4.3.30.0040.0153.33
4.3.20.0020.0173.31
4.3.10.0020.0173.27
4.3.00.0030.01315.90

preferences:
44.5 ms | 401 KiB | 5 Q