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; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 500000, 999999, 1000000, 4294967295, 4294967296); echo sprintf("%4s %10s %7s\n", 'cmp', 'num', 'str'); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else { echo sprintf("%4d %10d %7s\n", strlen($enc)+2-strlen($val), $dec, "\"$enc\""); } }

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)
8.3.60.0140.00716.63
8.3.50.0130.00322.83
8.3.40.0180.00018.80
8.3.30.0070.01018.86
8.3.20.0110.00420.33
8.3.10.0040.00421.69
8.3.00.0080.00017.63
8.2.180.0110.00718.17
8.2.170.0140.00722.96
8.2.160.0100.00320.43
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00019.95
8.2.110.0060.00322.07
8.2.100.0060.00619.21
8.2.90.0030.00619.34
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0040.00418.05
8.2.50.0030.00618.07
8.2.40.0000.00818.22
8.2.30.0050.00218.11
8.2.20.0080.00017.71
8.2.10.0030.00518.03
8.2.00.0040.00417.80
8.1.280.0110.00725.92
8.1.270.0040.00423.98
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.91
8.1.230.0090.00319.21
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.22
8.1.190.0050.00317.23
8.1.180.0000.00918.10
8.1.170.0040.00418.65
8.1.160.0020.00521.91
8.1.150.0040.00418.82
8.1.140.0040.00417.44
8.1.130.0070.00017.96
8.1.120.0000.00717.50
8.1.110.0050.00217.52
8.1.100.0000.00817.38
8.1.90.0050.00317.51
8.1.80.0000.00717.52
8.1.70.0000.00717.41
8.1.60.0030.00617.54
8.1.50.0050.00517.57
8.1.40.0040.00417.46
8.1.30.0030.00517.57
8.1.20.0090.00017.64
8.1.10.0030.00517.48
8.1.00.0040.00417.53
8.0.300.0000.00818.77
8.0.290.0050.00316.75
8.0.280.0000.00718.38
8.0.270.0060.00517.24
8.0.260.0060.00317.20
8.0.250.0020.00516.98
8.0.240.0000.00717.01
8.0.230.0000.00716.96
8.0.220.0050.00316.90
8.0.210.0040.00416.88
8.0.200.0060.00016.97
8.0.190.0050.00316.85
8.0.180.0040.00416.83
8.0.170.0040.00416.89
8.0.160.0000.00816.94
8.0.150.0030.00616.86
8.0.140.0000.00716.79
8.0.130.0000.00613.34
8.0.120.0050.00516.79
8.0.110.0080.00016.76
8.0.100.0000.00716.72
8.0.90.0070.00016.74
8.0.80.0150.00016.89
8.0.70.0000.00816.78
8.0.60.0040.00416.70
8.0.50.0000.00716.79
8.0.30.0090.01017.01
8.0.20.0120.01417.40
8.0.10.0000.00717.07
8.0.00.0070.01017.01
7.4.330.0030.00315.09
7.4.320.0060.00016.58
7.4.300.0070.00016.54
7.4.290.0000.00716.54
7.4.280.0040.00416.57
7.4.270.0030.00316.53
7.4.260.0070.00316.50
7.4.250.0000.00816.64
7.4.240.0040.00416.54
7.4.230.0080.00016.61
7.4.220.0070.01016.61
7.4.210.0000.01516.61
7.4.200.0030.00316.33
7.4.160.0130.00316.48
7.4.150.0090.00917.40
7.4.140.0150.00317.86
7.4.130.0090.00816.53
7.4.120.0120.00816.42
7.4.110.0110.00716.52
7.4.100.0060.01116.68
7.4.90.0090.00916.57
7.4.80.0120.01219.39
7.4.70.0030.01316.50
7.4.60.0060.01216.42
7.4.50.0030.00616.57
7.4.40.0060.01116.71
7.4.30.0120.00616.69
7.4.00.0000.01514.82
7.3.330.0000.00713.35
7.3.320.0050.00013.46
7.3.310.0030.00316.28
7.3.300.0070.00016.43
7.3.290.0080.01216.30
7.3.280.0080.00916.35
7.3.270.0170.00017.40
7.3.260.0070.01016.33
7.3.250.0050.01116.46
7.3.240.0040.01516.57
7.3.230.0140.00816.39
7.3.210.0120.00916.63
7.3.200.0110.01419.39
7.3.190.0100.00716.52
7.3.180.0110.00616.37
7.3.170.0110.00516.54
7.3.160.0100.00716.64
7.2.330.0110.00716.60
7.2.320.0070.01016.84
7.2.310.0040.01316.79
7.2.300.0030.01416.78
7.2.290.0110.01116.62
7.2.80.0080.00816.38
7.2.60.0130.00016.92
7.2.00.0030.00619.52
7.1.200.0080.00415.74
7.1.100.0060.00318.13
7.1.70.0000.00817.21
7.1.60.0090.01519.40
7.1.50.0260.01634.93
7.1.00.0030.07322.44
7.0.200.0040.00416.89
7.0.140.0000.07321.99
7.0.60.0030.05719.95
7.0.50.0070.07017.97
7.0.40.0000.04719.96
7.0.30.0230.08720.16
7.0.20.0300.05020.30
7.0.10.0030.09320.19
7.0.00.0070.07020.23
5.6.280.0100.07021.00
5.6.210.0170.08020.72
5.6.200.0030.08318.14
5.6.190.0000.04720.47
5.6.180.0500.05720.48
5.6.170.0400.07020.55
5.6.160.0100.06020.45
5.6.150.0130.08018.16
5.6.140.0100.08018.22
5.6.130.0070.08018.16
5.6.120.0100.03721.03
5.6.110.0100.08320.99
5.6.100.0070.04021.02
5.6.90.0030.04321.11
5.6.80.0070.07720.41
5.5.350.4270.04020.43
5.5.340.0100.07317.98
5.5.330.0070.08020.21
5.5.320.0100.05320.52
5.5.310.0270.04320.36
5.5.300.0030.04017.97
5.5.290.0070.08318.04
5.5.280.0100.06320.75
5.5.270.0070.04020.75
5.5.260.0130.08020.88
5.5.250.0000.06020.70
5.5.240.0030.05720.14
5.4.450.0200.06319.48
5.4.440.0270.07019.46
5.4.430.0130.04319.40
5.4.420.0200.07719.31
5.4.410.0200.04319.19
5.4.400.0270.04319.14
5.4.390.0270.04719.24
5.4.380.0270.06019.07
5.4.370.0270.05319.13
5.4.360.0300.05019.14
5.4.350.0230.05718.99
5.4.340.0130.04319.22
5.4.320.0230.03719.16
5.4.310.0170.07319.23
5.4.300.0170.07719.06
5.4.290.0330.05018.96
5.4.280.0200.06019.13
5.4.270.0170.06319.09
5.4.260.0270.04719.14
5.4.250.0230.04018.85
5.4.240.0170.04018.93
5.4.230.0130.04319.05
5.4.220.0230.03319.23
5.4.210.0200.03719.13
5.4.200.0300.04019.23
5.4.190.0300.04319.23
5.4.180.0370.05318.93
5.4.170.0200.08318.93
5.4.160.0170.06019.30
5.4.150.0200.03319.30
5.4.140.0170.03716.41
5.4.130.0170.03316.46
5.4.120.0230.03016.58
5.4.110.0170.06316.32
5.4.100.0170.06016.55
5.4.90.0200.06016.59
5.4.80.0270.04316.60
5.4.70.0200.03716.22
5.4.60.0170.07016.43
5.4.50.0330.06316.54
5.4.40.0230.06316.54
5.4.30.0230.07716.53
5.4.20.0100.05016.45
5.4.10.0230.07316.43
5.4.00.0270.06315.86
5.3.290.0200.07314.62
5.3.280.0270.05314.70
5.3.270.0230.05014.79
5.3.260.0170.04014.55
5.3.250.0130.05314.53
5.3.240.0130.03714.55
5.3.230.0200.03714.54
5.3.220.0230.05014.61
5.3.210.0270.06014.81
5.3.200.0170.06714.59
5.3.190.0200.04314.50
5.3.180.0200.04314.59
5.3.170.0230.07314.57
5.3.160.0230.04314.56
5.3.150.0230.07314.56
5.3.140.0270.06014.56
5.3.130.0300.06314.55
5.3.120.0200.07314.65
5.3.110.0230.07314.53
5.3.100.0230.07313.98
5.3.90.0230.06014.20
5.3.80.0200.07714.04
5.3.70.0300.03714.02
5.3.60.0230.07313.95
5.3.50.0270.05013.89
5.3.40.0170.06713.88
5.3.30.0270.05714.16
5.3.20.0200.07013.72
5.3.10.0200.05713.68
5.3.00.0170.04013.88
5.2.170.0100.05712.21
5.2.160.0300.05012.21
5.2.150.0170.06012.21
5.2.140.0130.06312.21
5.2.130.0170.06012.21
5.2.120.0200.05712.21
5.2.110.0130.05012.21
5.2.100.0170.03012.21
5.2.90.0170.06012.21
5.2.80.0270.05712.21
5.2.70.0130.04312.21
5.2.60.0230.06312.21
5.2.50.0200.03712.21
5.2.40.0170.06012.21
5.2.30.0230.05712.21
5.2.20.0200.04012.21
5.2.10.0030.04712.21
5.2.00.0130.05312.21
5.1.60.0230.04712.21
5.1.50.0170.04712.21
5.1.40.0170.05012.21
5.1.30.0130.05312.21
5.1.20.0230.04312.21
5.1.10.0170.04312.21
5.1.00.0130.05012.21
5.0.50.0130.03312.21
5.0.40.0070.03712.21
5.0.30.0170.04712.21
5.0.20.0070.04312.21
5.0.10.0100.03712.21
5.0.00.0100.03712.21
4.4.90.0070.02312.21
4.4.80.0170.02312.21
4.4.70.0070.02012.21
4.4.60.0070.02012.21
4.4.50.0130.03312.21
4.4.40.0070.05312.21
4.4.30.0070.03012.21
4.4.20.0070.03012.21
4.4.10.0130.03712.21
4.4.00.0070.04712.21
4.3.110.0100.03312.21
4.3.100.0130.03012.21
4.3.90.0070.03312.21
4.3.80.0030.03312.21
4.3.70.0070.03312.21
4.3.60.0100.02712.21
4.3.50.0100.03012.21
4.3.40.0030.03312.21
4.3.30.0100.02312.21
4.3.20.0070.03312.21
4.3.10.0070.03712.21
4.3.00.0000.04312.21

preferences:
34.63 ms | 401 KiB | 5 Q