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; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 500000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else if (strlen($enc)+2 > strlen($val)) { echo "+ \"$enc\" $val\n"; } else if (strlen($enc)+2 == strlen($val)) { echo "= \"$enc\" $val\n"; } else { echo "- \"$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)
8.3.60.0150.00616.75
8.3.50.0120.00622.93
8.3.40.0060.00918.92
8.3.30.0120.00319.22
8.3.20.0090.00620.12
8.3.10.0150.00321.76
8.3.00.0060.00317.59
8.2.180.0130.00616.75
8.2.170.0090.00622.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0030.00620.97
8.2.110.0060.00322.25
8.2.100.0040.00819.25
8.2.90.0060.00319.29
8.2.80.0040.00417.97
8.2.70.0000.00817.75
8.2.60.0000.00817.90
8.2.50.0030.00618.07
8.2.40.0000.00818.16
8.2.30.0040.00418.05
8.2.20.0040.00417.80
8.2.10.0000.00818.12
8.2.00.0040.00417.68
8.1.280.0090.00925.92
8.1.270.0100.01023.88
8.1.260.0040.00426.35
8.1.250.0070.00728.09
8.1.240.0090.00023.91
8.1.230.0080.00419.10
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0060.00318.56
8.1.160.0000.00821.96
8.1.150.0050.00318.76
8.1.140.0000.00717.42
8.1.130.0030.00317.85
8.1.120.0040.00417.47
8.1.110.0000.00817.39
8.1.100.0040.00417.46
8.1.90.0040.00417.53
8.1.80.0040.00417.43
8.1.70.0050.00317.33
8.1.60.0070.00317.63
8.1.50.0000.00817.55
8.1.40.0040.00417.43
8.1.30.0090.00017.63
8.1.20.0040.00417.67
8.1.10.0000.00717.53
8.1.00.0040.00417.56
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00618.40
8.0.270.0050.00517.22
8.0.260.0000.00817.14
8.0.250.0040.00417.04
8.0.240.0030.00316.99
8.0.230.0000.00716.93
8.0.220.0070.00016.87
8.0.210.0000.00816.80
8.0.200.0060.00016.86
8.0.190.0000.00716.96
8.0.180.0040.00416.87
8.0.170.0050.00316.99
8.0.160.0000.00716.80
8.0.150.0000.00716.95
8.0.140.0080.00016.87
8.0.130.0030.00313.32
8.0.120.0000.00816.88
8.0.110.0000.00716.84
8.0.100.0000.00816.77
8.0.90.0080.00016.87
8.0.80.0100.00716.95
8.0.70.0000.00716.75
8.0.60.0040.00416.80
8.0.50.0040.00416.70
8.0.30.0120.00817.12
8.0.20.0120.01117.40
8.0.10.0040.00416.92
8.0.00.0120.00616.64
7.4.330.0000.00515.10
7.4.320.0000.00616.50
7.4.300.0000.00616.62
7.4.290.0030.00316.52
7.4.280.0000.00716.53
7.4.270.0000.00716.55
7.4.260.0060.00316.59
7.4.250.0030.00516.57
7.4.240.0000.00716.57
7.4.230.0030.00316.59
7.4.220.0100.00916.55
7.4.210.0030.01016.57
7.4.200.0000.00816.65
7.4.160.0080.00816.59
7.4.150.0110.00717.40
7.4.140.0130.00917.86
7.4.130.0090.00916.58
7.4.120.0090.01116.52
7.4.110.0140.01016.66
7.4.100.0120.00616.68
7.4.90.0140.00316.39
7.4.80.0100.00919.39
7.4.70.0060.01216.55
7.4.60.0080.00816.43
7.4.50.0000.00816.38
7.4.40.0060.01216.48
7.4.30.0100.00516.47
7.4.00.0040.01114.71
7.3.330.0030.00313.38
7.3.320.0020.00213.18
7.3.310.0040.00416.42
7.3.300.0030.00316.35
7.3.290.0130.00516.43
7.3.280.0130.00316.31
7.3.270.0120.00617.40
7.3.260.0110.00716.62
7.3.240.0060.01416.34
7.3.230.0060.01816.61
7.3.210.0100.00716.36
7.3.200.0120.00919.39
7.3.190.0080.00816.70
7.3.180.0080.00816.32
7.3.170.0060.00916.47
7.3.160.0070.01416.67
7.3.10.0060.00816.63
7.3.00.0090.00616.59
7.2.330.0070.01016.69
7.2.320.0060.01216.86
7.2.310.0060.01216.71
7.2.300.0050.01716.52
7.2.290.0060.01116.75
7.2.130.0100.01016.62
7.2.120.0070.01116.98
7.2.110.0080.00316.64
7.2.100.0030.00716.83
7.2.90.0150.00016.82
7.2.80.0050.00516.92
7.2.70.0030.00916.89
7.2.60.0040.01117.01
7.2.50.0060.00616.95
7.2.40.0180.00416.95
7.2.30.0130.00716.98
7.2.20.0100.00716.80
7.2.10.0070.00316.98
7.2.00.0060.00618.19
7.1.250.0060.00315.79
7.1.100.0060.00618.30
7.1.70.0030.00617.00
7.1.60.0120.00619.40
7.1.50.0230.01334.88
7.1.00.0000.09722.30
7.0.200.0000.00816.82
7.0.140.0000.07721.95
7.0.60.0030.06320.04
7.0.50.0130.08017.88
7.0.40.0070.08019.96
7.0.30.0330.03320.10
7.0.20.0200.04720.21
7.0.10.0070.08720.22
7.0.00.0070.08320.20
5.6.280.0070.07021.09
5.6.210.0030.06020.52
5.6.200.0070.08318.19
5.6.190.0070.08020.63
5.6.180.0400.05320.52
5.6.170.0400.06320.55
5.6.160.0070.08720.70
5.6.150.0130.08018.15
5.6.140.0070.05718.18
5.6.130.0170.04318.28
5.6.120.0130.06321.00
5.6.110.0130.07721.02
5.6.100.0130.06320.99
5.6.90.0130.08020.89
5.6.80.0030.09020.53
5.5.350.4400.04020.32
5.5.340.0070.05018.05
5.5.330.0100.05720.21
5.5.320.0130.04720.52
5.5.310.0230.07320.23
5.5.300.0200.06318.04
5.5.290.0100.07318.04
5.5.280.0130.07720.77
5.5.270.0030.04320.69
5.5.260.0130.08320.78
5.5.250.0100.07720.73
5.5.240.0300.07020.05
5.4.450.3070.04019.55
5.4.440.2730.04019.18
5.4.430.3000.04019.64
5.4.420.3270.04319.13
5.4.410.3000.03719.25
5.4.400.3000.04018.95
5.4.390.2130.04018.87
5.4.380.0030.07019.07
5.4.370.3300.03318.95
5.4.360.3300.04018.95
5.4.350.3370.03719.09
5.4.340.3270.04318.95
5.4.320.3100.04018.87
5.4.310.3130.03719.07
5.4.300.3370.04719.19
5.4.290.2930.04719.13
5.4.280.3500.03719.22
5.4.270.3030.04019.22
5.4.260.3430.03019.08
5.4.250.3030.03719.08
5.4.240.3300.03718.85
5.4.230.3130.03318.86
5.4.220.3270.04019.01
5.4.210.3170.04719.08
5.4.200.3170.04019.15
5.4.190.3070.03018.84
5.4.180.3000.03719.07
5.4.170.3100.03318.97
5.4.160.3030.04019.06
5.4.150.3670.03719.19
5.4.140.3030.03716.34
5.4.130.3300.03716.56
5.4.120.3370.03716.72
5.4.110.3300.04016.42
5.4.100.3500.03716.32
5.4.90.2930.03716.59
5.4.80.3630.03016.62
5.4.70.3370.03016.57
5.4.60.3200.03016.26
5.4.50.3830.03716.53
5.4.40.3700.03316.32
5.4.30.3200.03016.25
5.4.20.3300.03716.37
5.4.10.3000.03716.54
5.4.00.3230.04316.12
5.3.290.2930.04014.76
5.3.280.3270.03314.70
5.3.270.3000.04014.62
5.3.260.3430.03714.54
5.3.250.3500.04014.54
5.3.240.3230.03714.63
5.3.230.3330.04014.59
5.3.220.3030.03314.81
5.3.210.3300.04014.81
5.3.200.3600.04014.52
5.3.190.3670.04014.75
5.3.180.3600.04014.83
5.3.170.3100.02314.50
5.3.160.3630.03314.55
5.3.150.3700.03714.59
5.3.140.3900.03314.59
5.3.130.3230.04014.48
5.3.120.3530.04714.65
5.3.110.2670.03014.59
5.3.100.2730.04014.18
5.3.90.2900.04014.13
5.3.80.2700.03713.97
5.3.70.3100.03014.16
5.3.60.2570.03314.08
5.3.50.3000.04013.88
5.3.40.3030.03713.89
5.3.30.2730.03713.84
5.3.20.2730.03313.77
5.3.10.3330.02713.80
5.3.00.2970.03313.57
5.2.170.3330.03011.53
5.2.160.2470.03011.53
5.2.150.2470.03011.53
5.2.140.2270.03011.53
5.2.130.2530.02711.53
5.2.120.2400.03311.53
5.2.110.2630.03011.53
5.2.100.2570.03011.53
5.2.90.2800.03011.53
5.2.80.2370.03711.53
5.2.70.2700.03711.53
5.2.60.2470.03311.53
5.2.50.2970.02711.53
5.2.40.2200.03011.53
5.2.30.1970.03011.53
5.2.20.2300.02311.53
5.2.10.2830.03311.53
5.2.00.2270.02711.53
5.1.60.2000.02311.53
5.1.50.2270.02311.53
5.1.40.2470.03011.53
5.1.30.2270.02711.53
5.1.20.2100.02711.53
5.1.10.2030.02311.53
5.1.00.2330.02711.53
5.0.50.1370.02711.53
5.0.40.1070.02311.53
5.0.30.1300.04011.53
5.0.20.1230.01711.53
5.0.10.1030.01711.53
5.0.00.1330.03011.53
4.4.90.1270.01711.53
4.4.80.0830.02311.53
4.4.70.1230.02311.53
4.4.60.1300.02011.53
4.4.50.1400.02711.53
4.4.40.1170.03311.53
4.4.30.1200.02011.53
4.4.20.1330.02011.53
4.4.10.1030.01711.53
4.4.00.1130.02711.53
4.3.110.1300.02011.53
4.3.100.1170.01711.53
4.3.90.1170.01711.53
4.3.80.1270.03011.53
4.3.70.0970.01711.53
4.3.60.1300.02011.53
4.3.50.1230.01311.53
4.3.40.1200.03311.53
4.3.30.0730.02311.53
4.3.20.0170.03311.53
4.3.10.0700.02011.53
4.3.00.0770.02311.53

preferences:
40.64 ms | 404 KiB | 6 Q