3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $str = ''; while ($val > 0) { $str = $chrs[$val % $base] . $str; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chrs[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } $vals = array( 0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 250000, 500000, 750000, 999999, 1000000, 4294967295, 4294967296 ); echo sprintf("%10s %9s %5s %5s\n", 'num', 'str', 'day', 'cmp'); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else { $days = sprintf('%01.1f', $val/24.0); echo sprintf("%10d %9s %5s %5d\n", $dec, "\"$enc\"", $days, strlen($enc)+2-strlen($val)); } }

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)
8.3.60.0170.00316.50
8.3.50.0110.00622.98
8.3.40.0040.01118.76
8.3.30.0040.01119.02
8.3.20.0040.00420.33
8.3.10.0040.00421.82
8.3.00.0000.00819.13
8.2.180.0090.00916.48
8.2.170.0090.00622.96
8.2.160.0100.00320.34
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0110.00420.90
8.2.110.0000.01022.21
8.2.100.0040.00719.41
8.2.90.0070.00319.21
8.2.80.0040.00417.97
8.2.70.0070.00317.50
8.2.60.0080.00018.04
8.2.50.0090.00018.07
8.2.40.0060.00318.22
8.2.30.0040.00418.03
8.2.20.0000.00717.75
8.2.10.0040.00418.19
8.2.00.0080.00017.82
8.1.280.0110.00425.92
8.1.270.0030.00623.91
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00923.84
8.1.230.0070.00419.24
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0100.00017.35
8.1.190.0000.00817.23
8.1.180.0080.00019.14
8.1.170.0000.00818.64
8.1.160.0030.00622.04
8.1.150.0000.00718.86
8.1.140.0050.00317.32
8.1.130.0000.00717.85
8.1.120.0070.00017.41
8.1.110.0050.00217.45
8.1.100.0000.00817.40
8.1.90.0030.00617.57
8.1.80.0000.00717.54
8.1.70.0000.00717.28
8.1.60.0040.00417.49
8.1.50.0000.00817.52
8.1.40.0050.00317.43
8.1.30.0060.00317.58
8.1.20.0030.00517.61
8.1.10.0040.00417.52
8.1.00.0030.00617.59
8.0.300.0060.00318.77
8.0.290.0070.00016.75
8.0.280.0000.00718.38
8.0.270.0000.00817.27
8.0.260.0070.00017.32
8.0.250.0030.00316.88
8.0.240.0030.00316.93
8.0.230.0030.00316.94
8.0.220.0000.00716.80
8.0.210.0000.00716.80
8.0.200.0000.00617.01
8.0.190.0000.00717.05
8.0.180.0000.00716.90
8.0.170.0040.00416.85
8.0.160.0040.00416.88
8.0.150.0070.00016.80
8.0.140.0040.00416.83
8.0.130.0000.00613.29
8.0.120.0040.00416.88
8.0.110.0030.00516.98
8.0.100.0040.00416.85
8.0.90.0000.00816.88
8.0.80.0090.00616.87
8.0.70.0000.00816.93
8.0.60.0000.00716.94
8.0.50.0000.00716.94
8.0.30.0160.00816.97
8.0.20.0120.00817.40
8.0.10.0040.00416.92
8.0.00.0080.01016.61
7.4.330.0000.00515.07
7.4.320.0070.00016.48
7.4.300.0000.00716.52
7.4.290.0070.00016.62
7.4.280.0040.00416.43
7.4.270.0040.00416.59
7.4.260.0060.00316.43
7.4.250.0000.00716.59
7.4.240.0020.00516.48
7.4.230.0040.00416.62
7.4.220.0120.00616.53
7.4.210.0030.01916.70
7.4.200.0000.00716.27
7.4.160.0060.01016.57
7.4.150.0060.01417.40
7.4.140.0120.01217.86
7.4.130.0100.01016.60
7.4.120.0150.00816.42
7.4.110.0080.00816.46
7.4.100.0060.01616.57
7.4.90.0100.00716.50
7.4.80.0100.00919.39
7.4.70.0100.00716.45
7.4.60.0130.00316.68
7.4.50.0050.00016.47
7.4.40.0030.01516.39
7.4.30.0070.01016.59
7.4.00.0000.01614.65
7.3.330.0030.00413.35
7.3.320.0000.00613.45
7.3.310.0030.00316.35
7.3.300.0000.00716.25
7.3.290.0040.00916.42
7.3.280.0090.00716.35
7.3.270.0110.00617.40
7.3.260.0070.01016.36
7.3.240.0130.01216.46
7.3.230.0100.00716.39
7.3.210.0170.00616.39
7.3.200.0150.00319.39
7.3.190.0030.01416.38
7.3.180.0070.01016.45
7.3.170.0130.00316.41
7.3.160.0070.01416.40
7.2.330.0070.01016.72
7.2.320.0000.01716.90
7.2.310.0060.01216.64
7.2.300.0100.00716.94
7.2.290.0080.00816.86
7.2.60.0030.01017.05
7.1.200.0040.01115.46
7.1.100.0030.01018.29
7.1.70.0000.01317.21
7.1.60.0060.01619.40
7.1.50.0030.01016.66
7.1.00.0030.07722.51
7.0.200.0020.00516.88
7.0.140.0100.06721.92
7.0.60.0070.08720.07
7.0.50.0030.04717.89
7.0.40.0130.07020.02
7.0.30.0270.07720.23
7.0.20.0270.08320.26
7.0.10.0070.04320.09
7.0.00.0030.09320.06
5.6.210.0070.07720.55
5.6.200.0100.07318.19
5.6.190.0070.08720.61
5.6.180.0270.06320.61
5.6.170.0330.05020.45
5.6.160.0030.04720.54
5.6.150.0170.06718.16
5.6.140.0100.05018.18
5.6.130.0070.05718.17
5.6.120.0000.05321.16
5.6.110.0130.06021.03
5.6.100.0070.08321.01
5.6.90.0130.07321.09
5.6.80.0000.07720.56
5.5.350.0130.07320.35
5.5.340.0000.05017.95
5.5.330.0070.08020.28
5.5.320.0370.08020.27
5.5.310.0230.08320.35
5.5.300.0100.07017.98
5.5.290.0070.08318.06
5.5.280.0100.04720.82
5.5.270.0030.04320.69
5.5.260.0070.08320.77
5.5.250.0070.06720.51
5.5.240.4430.03720.25
5.4.450.0270.04019.55
5.4.440.0230.04019.39
5.4.430.0200.03719.54
5.4.420.0170.04719.49
5.4.410.0670.04319.18
5.4.400.1030.03719.00
5.4.390.0300.03319.15
5.4.380.0200.05018.57
5.4.370.0100.08018.72
5.4.360.0130.06018.73
5.4.350.0270.06718.63
5.4.340.0200.05018.74
5.4.320.0040.03912.53
5.4.310.0090.04712.52
5.4.300.0070.03912.53
5.4.290.0040.04212.53
5.4.280.0050.03812.43
5.4.270.0080.04012.42
5.4.260.0030.04112.42
5.4.250.0050.04212.43
5.4.240.0080.03712.42
5.4.230.0050.04012.41
5.4.220.0060.03612.42
5.4.210.0040.03712.41
5.4.200.0060.03812.41
5.4.190.0050.03812.41
5.4.180.0080.03612.41
5.4.170.0110.03512.41
5.4.160.0050.04812.41
5.4.150.0060.03812.41
5.4.140.0080.03612.09
5.4.130.0040.03812.08
5.4.120.0070.03512.04
5.4.110.0040.03812.04
5.4.100.0070.04012.04
5.4.90.0080.03512.04
5.4.80.0040.03812.03
5.4.70.0040.03712.04
5.4.60.0080.03812.03
5.4.50.0040.03812.03
5.4.40.0050.03712.02
5.4.30.0090.03312.02
5.4.20.0030.03912.01
5.4.10.0060.03412.02
5.4.00.0040.03811.51
5.3.290.0070.03912.80
5.3.280.0050.03912.71
5.3.270.0050.04012.72
5.3.260.0060.04312.71
5.3.250.0060.04812.72
5.3.240.0040.04212.72
5.3.230.0090.03612.71
5.3.220.0070.04412.68
5.3.210.0070.05012.68
5.3.200.0060.04012.68
5.3.190.0060.05012.68
5.3.180.0060.03812.67
5.3.170.0060.03712.67
5.3.160.0050.03812.68
5.3.150.0080.03612.67
5.3.140.0070.03612.66
5.3.130.0040.04212.66
5.3.120.0060.04012.66
5.3.110.0060.04012.66
5.3.100.0050.03812.15
5.3.90.0050.03812.13
5.3.80.0060.03612.12
5.3.70.0060.03712.12
5.3.60.0070.03612.10
5.3.50.0070.03612.05
5.3.40.0070.03612.05
5.3.30.0050.03712.01
5.3.20.0060.03511.79
5.3.10.0080.03511.76
5.3.00.0050.03911.75
5.2.170.0060.0309.25
5.2.160.0060.0299.25
5.2.150.0050.0339.25
5.2.140.0060.0439.25
5.2.130.0060.0329.20
5.2.120.0050.0309.20
5.2.110.0050.0299.21
5.2.100.0040.0339.21
5.2.90.0010.0379.21
5.2.80.0070.0379.20
5.2.70.0030.0339.21
5.2.60.0100.0269.16
5.2.50.0030.0339.13
5.2.40.0050.0349.11
5.2.30.0060.0449.08
5.2.20.0040.0429.07
5.2.10.0080.0458.97
5.2.00.0090.0428.84
5.1.60.0060.0448.13
5.1.50.0070.0278.12
5.1.40.0050.0288.10
5.1.30.0040.0338.45
5.1.20.0060.0278.47
5.1.10.0050.0268.20
5.1.00.0040.0268.20
5.0.50.0040.0216.68
5.0.40.0060.0186.54
5.0.30.0050.0316.35
5.0.20.0010.0236.34
5.0.10.0030.0216.32
5.0.00.0040.0316.31
4.4.90.0040.0194.78
4.4.80.0060.0154.75
4.4.70.0040.0164.75
4.4.60.0030.0174.75
4.4.50.0050.0154.77
4.4.40.0050.0244.71
4.4.30.0040.0154.76
4.4.20.0030.0164.84
4.4.10.0040.0164.85
4.4.00.0040.0294.76
4.3.110.0060.0144.67
4.3.100.0040.0164.67
4.3.90.0050.0174.63
4.3.80.0040.0244.61
4.3.70.0040.0154.63
4.3.60.0020.0164.63
4.3.50.0060.0134.63
4.3.40.0030.0254.56
4.3.30.0000.0213.37
4.3.20.0040.0183.35
4.3.10.0010.0183.30
4.3.00.0000.01715.90

preferences:
31.74 ms | 401 KiB | 5 Q