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; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 250000, 500000, 999999, 1000000, 4294967295, 4294967296); echo sprintf("%10s %9s %5s\n", 'num', 'str', 'cmp'); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else { echo sprintf("%10d %9s %5d\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)
8.3.60.0120.00916.75
8.3.50.0100.00822.95
8.3.40.0090.00618.79
8.3.30.0070.00719.04
8.3.20.0110.00720.34
8.3.10.0070.00021.78
8.3.00.0060.00317.38
8.2.180.0090.01318.29
8.2.170.0140.00722.96
8.2.160.0070.00720.27
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00421.09
8.2.110.0070.00322.18
8.2.100.0090.00319.28
8.2.90.0030.00619.12
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0030.00618.28
8.2.30.0000.00918.07
8.2.20.0050.00317.77
8.2.10.0040.00418.20
8.2.00.0030.00517.77
8.1.280.0120.00925.92
8.1.270.0050.00323.79
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0060.00323.97
8.1.230.0060.00619.00
8.1.220.0050.00317.79
8.1.210.0040.00418.77
8.1.200.0070.00317.36
8.1.190.0080.00017.25
8.1.180.0090.00018.10
8.1.170.0080.00018.66
8.1.160.0050.00322.04
8.1.150.0080.00018.92
8.1.140.0000.00717.39
8.1.130.0030.00317.77
8.1.120.0040.00417.50
8.1.110.0050.00217.52
8.1.100.0050.00317.49
8.1.90.0070.00017.49
8.1.80.0030.00417.45
8.1.70.0070.00017.52
8.1.60.0030.00617.60
8.1.50.0050.00317.57
8.1.40.0040.00417.54
8.1.30.0060.00317.68
8.1.20.0040.00417.64
8.1.10.0080.00017.56
8.1.00.0050.00317.52
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0040.00418.34
8.0.270.0070.00417.19
8.0.260.0060.00317.29
8.0.250.0040.00416.97
8.0.240.0030.00317.08
8.0.230.0000.00716.90
8.0.220.0040.00416.96
8.0.210.0040.00416.81
8.0.200.0000.00716.89
8.0.190.0000.00716.98
8.0.180.0000.00716.91
8.0.170.0000.00816.83
8.0.160.0000.00716.74
8.0.150.0000.00816.75
8.0.140.0000.00716.81
8.0.130.0000.00513.34
8.0.120.0030.00616.87
8.0.110.0000.00716.81
8.0.100.0070.00016.81
8.0.90.0050.00216.82
8.0.80.0040.01216.93
8.0.70.0050.00216.91
8.0.60.0040.00416.78
8.0.50.0040.00416.95
8.0.30.0120.00717.15
8.0.20.0100.00917.40
8.0.10.0000.00716.82
8.0.00.0050.01216.94
7.4.330.0020.00215.09
7.4.320.0070.00016.48
7.4.300.0000.00616.54
7.4.290.0000.00716.58
7.4.280.0030.00316.63
7.4.270.0040.00416.61
7.4.260.0080.00316.63
7.4.250.0040.00416.57
7.4.240.0010.00616.48
7.4.230.0000.00716.71
7.4.220.0100.00716.56
7.4.210.0030.01316.50
7.4.200.0000.00716.42
7.4.160.0130.00416.62
7.4.150.0090.01017.40
7.4.140.0100.00917.86
7.4.130.0130.00816.42
7.4.120.0110.00716.47
7.4.110.0110.00716.71
7.4.100.0060.01516.50
7.4.90.0030.01416.33
7.4.80.0070.01019.39
7.4.70.0130.00316.60
7.4.60.0090.01016.63
7.4.50.0040.00016.58
7.4.40.0100.00716.48
7.4.30.0100.00716.42
7.4.00.0000.01514.96
7.3.330.0000.00713.15
7.3.320.0020.00313.17
7.3.310.0030.00616.33
7.3.300.0030.00316.21
7.3.290.0100.00516.46
7.3.280.0100.00816.36
7.3.270.0110.00717.40
7.3.260.0040.01316.29
7.3.240.0030.01416.44
7.3.230.0190.00016.66
7.3.210.0120.00616.32
7.3.200.0130.00919.39
7.3.190.0040.01816.57
7.3.180.0070.01316.61
7.3.170.0070.01016.62
7.3.160.0110.00916.62
7.2.330.0130.01016.78
7.2.320.0070.01016.61
7.2.310.0060.01116.80
7.2.300.0160.00316.81
7.2.290.0120.00916.41
7.2.00.0040.00819.59
7.1.100.0070.00717.91
7.1.70.0030.00517.21
7.1.60.0090.00619.40
7.1.50.0200.01734.57
7.1.00.0070.07322.54
7.0.200.0030.00316.96
7.0.140.0100.06321.99
7.0.60.0030.05319.93
7.0.50.0070.03717.90
7.0.40.0100.08720.27
7.0.30.0270.07720.33
7.0.20.0300.03720.25
7.0.10.0100.07320.22
7.0.00.0000.06020.12
5.6.280.0100.07020.83
5.6.210.0030.06020.72
5.6.200.0030.05018.29
5.6.190.0200.06020.45
5.6.180.0270.09020.46
5.6.170.0370.07720.56
5.6.160.0030.05720.57
5.6.150.0130.06018.23
5.6.140.0030.06318.14
5.6.130.0030.04318.21
5.6.120.0130.06021.00
5.6.110.0070.08721.12
5.6.100.0130.08021.00
5.6.90.0070.06320.86
5.6.80.0170.07320.45
5.5.350.4130.04320.36
5.5.340.0070.07017.96
5.5.330.0000.07720.38
5.5.320.0200.05320.41
5.5.310.0270.04720.36
5.5.300.0100.08017.95
5.5.290.0100.05318.02
5.5.280.0100.08720.81
5.5.270.0000.04320.90
5.5.260.0200.05320.77
5.5.250.0070.09020.51
5.5.240.0100.02720.27
5.4.450.0830.05019.34
5.4.440.0130.05319.21
5.4.430.0800.05319.66
5.4.420.0700.05719.54
5.4.410.0470.06019.36
5.4.400.0070.05719.29
5.4.390.0370.05018.88
5.4.380.0100.05718.61
5.4.370.0230.03318.82
5.4.360.0130.04718.77
5.4.350.0080.05812.04
5.4.340.0090.04812.04
5.4.320.0080.04312.52
5.4.310.0060.04312.52
5.4.300.0070.03512.52
5.4.290.0100.03512.52
5.4.280.0050.03712.41
5.4.270.0050.03812.41
5.4.260.0060.03812.41
5.4.250.0050.03812.41
5.4.240.0030.03912.41
5.4.230.0080.03612.40
5.4.220.0080.03412.40
5.4.210.0060.03512.41
5.4.200.0060.03812.41
5.4.190.0040.03912.40
5.4.180.0040.03812.40
5.4.170.0040.03812.41
5.4.160.0060.03612.41
5.4.150.0040.04312.40
5.4.140.0050.03912.09
5.4.130.0060.03512.07
5.4.120.0140.03712.03
5.4.110.0070.03912.03
5.4.100.0070.03412.03
5.4.90.0090.03412.03
5.4.80.0030.04012.03
5.4.70.0050.03612.03
5.4.60.0050.03612.02
5.4.50.0050.03712.02
5.4.40.0090.03312.01
5.4.30.0060.03612.01
5.4.20.0060.03612.01
5.4.10.0030.03812.00
5.4.00.0050.03711.50
5.3.290.0090.03912.80
5.3.280.0090.03612.71
5.3.270.0080.03812.72
5.3.260.0050.04112.72
5.3.250.0060.03912.72
5.3.240.0050.04012.72
5.3.230.0090.04412.71
5.3.220.0070.03912.68
5.3.210.0060.03912.68
5.3.200.0090.03712.68
5.3.190.0090.04012.67
5.3.180.0070.03512.67
5.3.170.0070.03812.67
5.3.160.0070.03712.67
5.3.150.0080.04312.67
5.3.140.0080.04112.66
5.3.130.0080.03712.66
5.3.120.0060.03912.66
5.3.110.0060.03912.66
5.3.100.0080.04312.14
5.3.90.0070.03512.13
5.3.80.0060.03712.11
5.3.70.0090.03512.12
5.3.60.0050.03812.10
5.3.50.0100.03312.05
5.3.40.0090.03512.04
5.3.30.0040.03812.00
5.3.20.0050.03611.79
5.3.10.0070.03411.75
5.3.00.0030.04011.74
5.2.170.0070.0299.25
5.2.160.0080.0269.24
5.2.150.0060.0309.24
5.2.140.0020.0349.24
5.2.130.0060.0289.20
5.2.120.0070.0329.20
5.2.110.0040.0319.21
5.2.100.0070.0269.20
5.2.90.0060.0289.20
5.2.80.0060.0309.20
5.2.70.0080.0289.20
5.2.60.0030.0329.16
5.2.50.0050.0299.13
5.2.40.0040.0309.10
5.2.30.0070.0319.07
5.2.20.0050.0289.06
5.2.10.0070.0268.97
5.2.00.0060.0368.84
5.1.60.0030.0388.12
5.1.50.0050.0308.11
5.1.40.0020.0288.09
5.1.30.0040.0268.45
5.1.20.0050.0268.46
5.1.10.0030.0288.19
5.1.00.0070.0238.19
5.0.50.0020.0236.67
5.0.40.0030.0206.53
5.0.30.0050.0306.34
5.0.20.0040.0196.31
5.0.10.0000.0256.29
5.0.00.0050.0306.29
4.4.90.0010.0184.78
4.4.80.0030.0164.75
4.4.70.0020.0224.76
4.4.60.0030.0164.75
4.4.50.0040.0154.77
4.4.40.0020.0274.71
4.4.30.0010.0184.76
4.4.20.0020.0184.84
4.4.10.0040.0174.85
4.4.00.0040.0254.75
4.3.110.0020.0174.67
4.3.100.0010.0184.67
4.3.90.0000.0184.64
4.3.80.0030.0264.58
4.3.70.0030.0154.63
4.3.60.0040.0154.63
4.3.50.0060.0144.63
4.3.40.0050.0234.54
4.3.30.0030.0173.34
4.3.20.0020.0183.31
4.3.10.0020.0163.27
4.3.00.0100.0237.93

preferences:
40.48 ms | 401 KiB | 5 Q