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; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 500000, 999999, 1000000, 4294967295, 4294967296); echo sprintf("%10s %7s %4s\n", 'num', 'str', 'cmp'); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else { echo sprintf("%10d %7s %4d\n", $dec, "\"$enc\"", 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)
8.3.40.0090.00918.84
8.3.30.0070.00719.21
8.3.20.0180.00020.38
8.3.10.0070.00021.89
8.3.00.0090.00017.75
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0050.00320.88
8.2.110.0070.00322.08
8.2.100.0000.01119.21
8.2.90.0030.00619.21
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0000.00817.93
8.2.50.0090.00018.07
8.2.40.0050.00517.84
8.2.30.0020.00518.26
8.2.20.0070.00017.74
8.2.10.0040.00418.09
8.2.00.0000.00917.65
8.1.270.0090.00323.99
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0030.00623.98
8.1.230.0070.00419.15
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0040.00417.47
8.1.190.0080.00017.23
8.1.180.0030.00618.10
8.1.170.0040.00418.63
8.1.160.0040.00421.95
8.1.150.0000.00718.82
8.1.140.0080.00017.44
8.1.130.0030.00317.90
8.1.120.0040.00417.48
8.1.110.0000.00717.51
8.1.100.0000.00717.44
8.1.90.0070.00017.39
8.1.80.0070.00017.46
8.1.70.0040.00417.44
8.1.60.0000.00917.57
8.1.50.0030.00517.63
8.1.40.0080.00017.58
8.1.30.0000.00817.58
8.1.20.0040.00417.62
8.1.10.0000.00717.53
8.1.00.0040.00417.51
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.38
8.0.270.0030.00617.23
8.0.260.0090.00017.35
8.0.250.0070.00017.01
8.0.240.0030.00317.03
8.0.230.0070.00016.85
8.0.220.0070.00016.93
8.0.210.0070.00016.98
8.0.200.0000.00616.97
8.0.190.0040.00417.03
8.0.180.0070.00016.89
8.0.170.0030.00616.95
8.0.160.0080.00016.94
8.0.150.0000.00716.86
8.0.140.0040.00416.91
8.0.130.0000.00613.33
8.0.120.0030.00516.89
8.0.110.0040.00416.93
8.0.100.0000.00716.92
8.0.90.0000.00816.98
8.0.80.0070.01016.89
8.0.70.0000.00716.99
8.0.60.0030.00516.79
8.0.50.0050.00216.79
8.0.30.0140.00817.13
8.0.20.0080.01417.40
8.0.10.0000.00716.89
8.0.00.0080.01016.95
7.4.330.0050.00015.15
7.4.320.0000.00616.64
7.4.300.0030.00316.67
7.4.290.0030.00316.43
7.4.280.0060.00316.62
7.4.270.0030.00316.64
7.4.260.0100.00016.61
7.4.250.0000.00816.37
7.4.240.0040.00416.52
7.4.230.0080.00016.61
7.4.220.0120.00616.63
7.4.210.0110.00416.73
7.4.200.0030.00316.51
7.4.160.0110.00516.43
7.4.150.0140.00317.40
7.4.140.0170.00317.86
7.4.130.0160.00816.55
7.4.120.0100.01016.55
7.4.110.0060.01116.60
7.4.100.0030.01316.44
7.4.90.0080.00816.37
7.4.80.0030.01319.39
7.4.70.0030.01916.41
7.4.60.0090.01216.54
7.4.50.0030.00316.36
7.4.40.0100.00616.65
7.4.30.0070.01016.56
7.4.00.0070.01015.14
7.3.330.0040.00413.30
7.3.320.0000.00613.23
7.3.310.0030.00316.40
7.3.300.0030.00316.30
7.3.290.0110.00516.30
7.3.280.0060.00916.34
7.3.270.0150.00317.40
7.3.260.0110.00716.41
7.3.240.0060.01216.34
7.3.230.0100.00716.39
7.3.210.0040.01516.59
7.3.200.0180.00419.39
7.3.190.0100.00716.54
7.3.180.0090.00616.72
7.3.170.0130.00616.50
7.3.160.0060.00916.54
7.2.330.0100.00716.61
7.2.320.0080.00816.75
7.2.310.0030.01816.76
7.2.300.0100.00716.77
7.2.290.0130.00916.53
7.2.60.0200.00017.12
7.2.00.0000.00919.34
7.1.200.0060.00315.89
7.1.100.0060.00618.14
7.1.70.0000.01017.09
7.1.60.0100.01319.40
7.1.50.0210.01734.84
7.1.00.0030.07722.40
7.0.200.0000.01016.82
7.0.140.0000.07722.09
7.0.60.0170.07719.97
7.0.50.0100.08017.88
7.0.40.0070.04020.18
7.0.30.0170.04720.12
7.0.20.0400.05320.30
7.0.10.0030.04320.12
7.0.00.0130.07720.07
5.6.280.0070.07321.11
5.6.210.0070.03720.45
5.6.200.0070.05018.19
5.6.190.0100.06320.54
5.6.180.0300.04020.61
5.6.170.0270.04320.55
5.6.160.0000.09320.50
5.6.150.0070.04718.13
5.6.140.0070.04718.27
5.6.130.0100.08318.18
5.6.120.0100.08021.02
5.6.110.0070.08720.99
5.6.100.0070.04021.08
5.6.90.0000.04721.02
5.6.80.0070.07720.52
5.5.350.3830.04020.43
5.5.340.0030.08317.99
5.5.330.0030.09020.13
5.5.320.0170.07020.38
5.5.310.0330.04320.23
5.5.300.0030.08318.08
5.5.290.0070.07017.99
5.5.280.0070.08320.75
5.5.270.0000.07720.74
5.5.260.0230.06320.89
5.5.250.0000.05320.78
5.5.240.0070.07020.27
5.4.450.0970.06719.56
5.4.440.0530.06319.40
5.4.430.0670.06719.35
5.4.420.0800.05719.21
5.4.410.0830.06019.08
5.4.400.0630.05019.22
5.4.390.0730.06019.07
5.4.380.0070.06318.79
5.4.370.0130.05018.76
5.4.360.0100.03718.59
5.4.350.0110.04512.03
5.4.340.0060.04212.03
5.4.320.0090.04512.52
5.4.310.0060.03712.52
5.4.300.0070.03612.52
5.4.290.0060.03912.52
5.4.280.0040.03912.41
5.4.270.0080.03412.41
5.4.260.0040.04112.42
5.4.250.0080.03612.41
5.4.240.0050.04212.42
5.4.230.0040.04212.40
5.4.220.0080.03712.41
5.4.210.0050.03912.41
5.4.200.0070.04112.41
5.4.190.0060.03912.40
5.4.180.0070.03912.40
5.4.170.0080.03712.41
5.4.160.0060.03812.41
5.4.150.0060.04312.40
5.4.140.0120.03112.09
5.4.130.0070.03712.07
5.4.120.0050.03812.04
5.4.110.0050.03712.02
5.4.100.0060.03512.03
5.4.90.0060.03712.03
5.4.80.0040.03912.03
5.4.70.0070.03512.02
5.4.60.0050.03612.02
5.4.50.0050.03712.03
5.4.40.0070.03512.01
5.4.30.0060.03612.01
5.4.20.0060.03512.00
5.4.10.0050.03612.01
5.4.00.0050.04211.50
5.3.290.0040.04912.80
5.3.280.0090.04012.71
5.3.270.0080.04912.72
5.3.260.0090.03812.72
5.3.250.0060.04012.72
5.3.240.0070.04012.72
5.3.230.0090.03612.71
5.3.220.0040.04012.68
5.3.210.0040.04212.68
5.3.200.0060.03712.68
5.3.190.0070.03612.68
5.3.180.0070.03612.67
5.3.170.0060.03612.67
5.3.160.0060.03712.67
5.3.150.0100.04812.68
5.3.140.0110.03612.66
5.3.130.0070.04312.66
5.3.120.0070.04612.65
5.3.110.0080.04212.66
5.3.100.0020.04212.14
5.3.90.0030.03912.12
5.3.80.0060.03612.11
5.3.70.0100.03212.11
5.3.60.0040.03812.10
5.3.50.0050.03812.04
5.3.40.0070.03612.04
5.3.30.0050.03612.01
5.3.20.0080.03411.79
5.3.10.0060.03511.75
5.3.00.0080.03511.73
5.2.170.0040.0329.25
5.2.160.0030.0319.24
5.2.150.0070.0299.25
5.2.140.0060.0309.24
5.2.130.0100.0269.20
5.2.120.0060.0279.20
5.2.110.0040.0309.21
5.2.100.0070.0279.20
5.2.90.0070.0299.20
5.2.80.0050.0369.20
5.2.70.0030.0329.20
5.2.60.0050.0329.16
5.2.50.0050.0309.13
5.2.40.0060.0289.10
5.2.30.0080.0279.07
5.2.20.0030.0319.06
5.2.10.0050.0298.96
5.2.00.0070.0298.83
5.1.60.0060.0308.11
5.1.50.0060.0348.12
5.1.40.0060.0358.09
5.1.30.0090.0248.44
5.1.20.0070.0268.46
5.1.10.0030.0328.19
5.1.00.0050.0298.19
5.0.50.0040.0236.68
5.0.40.0030.0236.53
5.0.30.0040.0396.34
5.0.20.0040.0216.31
5.0.10.0040.0216.29
5.0.00.0030.0336.28
4.4.90.0050.0154.78
4.4.80.0070.0174.75
4.4.70.0040.0184.76
4.4.60.0020.0194.75
4.4.50.0040.0174.77
4.4.40.0030.0274.71
4.4.30.0020.0184.76
4.4.20.0050.0204.84
4.4.10.0060.0154.85
4.4.00.0040.0294.76
4.3.110.0020.0184.67
4.3.100.0020.0184.66
4.3.90.0020.0174.64
4.3.80.0040.0254.58
4.3.70.0030.0164.63
4.3.60.0050.0144.63
4.3.50.0020.0184.63
4.3.40.0040.0264.54
4.3.30.0010.0203.34
4.3.20.0030.0173.31
4.3.10.0010.0203.27
4.3.00.0070.0307.58

preferences:
70.91 ms | 400 KiB | 5 Q