3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $str = ''; while ($val > 0) { $str .= $chars[$val % $base]; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chars[$i]] = $i; } echo '$str ' . print_r($str, true) . "\n"; echo 'strlen($str) ' . print_r(strlen($str), true) . "\n"; $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $char = $str[$i]; echo '$char ' . print_r($char, true) . "\n"; $k = $map[$char]; echo '$k ' . print_r($k, true) . "\n"; $val += (int)$map[$str[$i]]; echo '$val ' . print_r($val, true) . "\n"; } return $val; } //$vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); $vals = array(1); foreach ($vals as $val) { $enc = json_encode(gdr_encode($val)); $dec = json_encode(gdr_decode($enc)); $val = json_encode($val); /* if (strlen($enc) > strlen($val)) { echo "$enc $val WORSE\n"; } else if (strlen($enc) == strlen($val)) { echo "$enc $val EQUAL\n"; } else { echo "$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)
8.3.60.0110.00716.71
8.3.50.0050.01022.98
8.3.40.0090.00918.96
8.3.30.0070.00719.18
8.3.20.0070.00020.16
8.3.10.0050.00321.73
8.3.00.0040.00419.38
8.2.180.0130.01017.00
8.2.170.0170.00322.96
8.2.160.0100.00320.38
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00726.16
8.2.120.0080.00021.05
8.2.110.0000.00922.10
8.2.100.0090.00618.03
8.2.90.0040.00419.35
8.2.80.0060.00317.97
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0090.00018.07
8.2.40.0110.00018.34
8.2.30.0050.00218.14
8.2.20.0000.00817.81
8.2.10.0050.00218.11
8.2.00.0050.00317.70
8.1.280.0140.00325.92
8.1.270.0040.00423.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.97
8.1.230.0080.00319.13
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0040.00417.13
8.1.180.0050.00318.10
8.1.170.0030.00618.63
8.1.160.0020.00522.04
8.1.150.0050.00318.89
8.1.140.0000.00717.46
8.1.130.0070.00017.92
8.1.120.0000.00717.48
8.1.110.0090.00017.37
8.1.100.0040.00417.46
8.1.90.0000.00717.44
8.1.80.0000.00717.38
8.1.70.0080.00017.46
8.1.60.0090.00017.52
8.1.50.0030.00517.55
8.1.40.0040.00417.59
8.1.30.0040.00417.56
8.1.20.0000.00817.56
8.1.10.0080.00017.56
8.1.00.0040.00417.49
8.0.300.0030.00618.77
8.0.290.0030.00516.75
8.0.280.0030.00318.43
8.0.270.0030.00617.30
8.0.260.0060.00317.27
8.0.250.0030.00317.01
8.0.240.0030.00317.05
8.0.230.0070.00016.97
8.0.220.0000.00816.98
8.0.210.0000.00716.81
8.0.200.0000.00617.04
8.0.190.0030.00617.00
8.0.180.0040.00417.01
8.0.170.0040.00416.90
8.0.160.0000.00717.01
8.0.150.0000.00816.88
8.0.140.0080.00016.94
8.0.130.0030.00313.38
8.0.120.0040.00416.86
8.0.110.0040.00416.93
8.0.100.0040.00416.79
8.0.90.0020.00516.75
8.0.80.0090.00917.02
8.0.70.0040.00416.87
8.0.60.0050.00316.87
8.0.50.0000.00716.77
8.0.30.0110.01317.11
8.0.20.0110.01217.40
8.0.10.0050.00317.13
8.0.00.0100.00816.90
7.4.330.0020.00215.21
7.4.320.0060.00016.52
7.4.300.0030.00316.52
7.4.290.0000.00716.42
7.4.280.0040.00416.67
7.4.270.0030.00316.44
7.4.260.0030.00316.66
7.4.250.0030.00716.62
7.4.240.0030.00316.65
7.4.230.0070.00016.56
7.4.220.0100.00716.70
7.4.210.0060.00616.49
7.4.200.0030.00316.51
7.4.160.0090.00916.68
7.4.150.0100.00717.40
7.4.140.0120.00617.86
7.4.130.0110.00816.57
7.4.120.0130.00916.42
7.4.110.0120.00416.69
7.4.100.0080.01116.46
7.4.90.0060.01216.73
7.4.80.0130.01019.39
7.4.70.0100.01316.68
7.4.60.0000.01916.34
7.4.50.0040.00016.59
7.4.40.0060.01216.46
7.4.30.0060.01016.37
7.4.00.0040.00715.18
7.3.330.0000.00613.31
7.3.320.0020.00213.46
7.3.310.0030.00316.47
7.3.300.0030.00316.44
7.3.290.0030.01016.38
7.3.280.0090.00816.46
7.3.270.0040.01317.40
7.3.260.0110.00616.53
7.3.240.0060.01216.44
7.3.230.0070.01016.45
7.3.210.0110.00616.50
7.3.200.0090.00919.39
7.3.190.0060.01116.45
7.3.180.0110.00516.37
7.3.170.0030.01316.58
7.3.160.0060.00916.55
7.2.330.0140.00316.80
7.2.320.0100.01316.83
7.2.310.0070.01016.87
7.2.300.0100.00716.70
7.2.290.0060.01116.95
7.2.00.0030.01019.41
7.1.200.0100.00315.97
7.1.100.0040.00818.05
7.1.70.0080.00017.21
7.1.60.0120.00919.40
7.1.50.0070.01516.78
7.1.00.0000.08022.32
7.0.200.0030.00616.88
7.0.140.0070.07322.12
7.0.90.0470.07719.98
7.0.80.0430.08319.91
7.0.70.0570.08319.93
7.0.60.0570.07719.85
7.0.50.0630.04320.24
7.0.40.0130.07720.00
7.0.30.0130.08320.02
7.0.20.0070.08720.13
7.0.10.0130.06720.17
7.0.00.0130.07020.10
5.6.280.0100.06721.14
5.6.240.0070.05320.73
5.6.230.0070.05020.70
5.6.220.0070.04720.50
5.6.210.0030.05320.57
5.6.200.0070.08321.07
5.6.190.0130.07720.95
5.6.180.0130.07021.06
5.6.170.0030.08321.05
5.6.160.0100.08021.04
5.6.150.0170.04021.14
5.6.140.0030.05021.01
5.6.130.0030.04320.94
5.6.120.0100.08021.01
5.6.110.0130.04321.02
5.6.100.0070.05321.11
5.6.90.0170.07021.16
5.6.80.0070.08020.44
5.6.70.0170.07320.52
5.6.60.0030.04020.52
5.6.50.0100.07720.57
5.6.40.0070.08320.41
5.6.30.0200.06020.54
5.6.20.0230.06320.40
5.6.10.0000.08020.38
5.6.00.0100.07720.43
5.5.380.0070.07320.46
5.5.370.0030.07720.45
5.5.360.0100.07720.55
5.5.350.0170.08020.44
5.5.340.0030.05020.75
5.5.330.0030.04720.65
5.5.320.0100.08020.91
5.5.310.0070.09020.88
5.5.300.0230.06320.79
5.5.290.0000.08020.87
5.5.280.0070.07720.81
5.5.270.0100.08320.78
5.5.260.0130.07720.89
5.5.250.0070.05020.62
5.5.240.0070.07720.13
5.5.230.0000.08020.25
5.5.220.0130.07020.03
5.5.210.0070.07720.19
5.5.200.0070.08320.26
5.5.190.0200.06020.23
5.5.180.0070.07720.16
5.5.160.0070.08020.13
5.5.150.0130.03320.20
5.5.140.0070.07720.25
5.5.130.0030.04720.15
5.5.120.0100.07320.09
5.5.110.0170.07020.21
5.5.100.0030.04720.11
5.5.90.0030.05320.11
5.5.80.0200.07020.11
5.5.70.0070.07720.07
5.5.60.0170.06320.10
5.5.50.0070.08019.97
5.5.40.0170.06320.01
5.5.30.0130.07720.10
5.5.20.0100.07720.10
5.5.10.0070.06720.06
5.5.00.0100.05319.98
5.4.450.0100.07019.46
5.4.440.0070.05719.56
5.4.430.0100.06019.16
5.4.420.0130.04019.46
5.4.410.0100.06719.32
5.4.400.0070.07319.05
5.4.390.0000.07718.84
5.4.380.0100.06719.16
5.4.370.0030.06019.13
5.4.360.0070.07719.18
5.4.350.0030.08019.13
5.4.340.0070.04318.87
5.4.320.0070.05319.13
5.4.310.0070.06719.05
5.4.300.0070.04319.04
5.4.290.0000.06019.02
5.4.280.0000.04319.03
5.4.270.0130.06719.13
5.4.260.0070.07318.87
5.4.250.0070.07718.87
5.4.240.0030.06319.02
5.4.230.0130.03719.18
5.4.220.0130.07019.02
5.4.210.0130.05018.87
5.4.200.0100.06718.87
5.4.190.0070.05319.03
5.4.180.0000.08718.86
5.4.170.0200.04319.08
5.4.160.0030.07319.11
5.4.150.0030.04018.89
5.4.140.0130.06716.44
5.4.130.0170.06316.46
5.4.120.0000.08316.19
5.4.110.0030.05716.56
5.4.100.0100.07316.56
5.4.90.0130.05016.40
5.4.80.0030.04316.51
5.4.70.0030.04316.52
5.4.60.0000.04316.37
5.4.50.0100.07316.48
5.4.40.0070.07016.45
5.4.30.0070.07716.47
5.4.20.0030.06316.44
5.4.10.0070.06316.52
5.4.00.0230.06015.85
5.3.290.0000.08314.75
5.3.280.0130.07314.59
5.3.270.0100.03314.58
5.3.260.0100.06014.59
5.3.250.0100.07014.58
5.3.240.0070.07314.61
5.3.230.0070.05014.69
5.3.220.0100.07314.73
5.3.210.0000.04314.65
5.3.200.0070.07314.52
5.3.190.0100.05314.61
5.3.180.0100.07014.64
5.3.170.0030.06714.58
5.3.160.0000.07714.54
5.3.150.0100.07314.58
5.3.140.0170.07314.64
5.3.130.0130.07014.68
5.3.120.0070.08014.68
5.3.110.0000.08314.71
5.3.100.0070.07014.09
5.3.90.0100.07314.06
5.3.80.0000.08314.14
5.3.70.0030.08014.16
5.3.60.0000.04714.05
5.3.50.0030.06314.05
5.3.40.0100.06714.04
5.3.30.0030.07713.93
5.3.20.0070.05313.64
5.3.10.0000.07713.65
5.3.00.0100.06713.58
5.2.170.0130.05711.16
5.2.160.0100.05711.30
5.2.150.0070.06311.15
5.2.140.0070.06011.21
5.2.130.0030.05311.15
5.2.120.0070.06311.11
5.2.110.0030.05011.11
5.2.100.0000.06711.01
5.2.90.0070.04011.18
5.2.80.0030.03011.18
5.2.70.0070.03011.25
5.2.60.0030.03011.13
5.2.50.0030.06310.95
5.2.40.0030.02311.16
5.2.30.0000.03010.86
5.2.20.0030.06010.90
5.2.10.0070.06310.79
5.2.00.0030.06710.61
5.1.60.0000.05710.00
5.1.50.0030.0579.85
5.1.40.0070.06010.05
5.1.30.0030.05710.48
5.1.20.0100.05710.27
5.1.10.0100.05010.20
5.1.00.0170.03710.18
5.0.50.0070.0439.79
5.0.40.0030.0409.79
5.0.30.0070.0639.79
5.0.20.0000.0379.79
5.0.10.0070.0409.79
5.0.00.0000.0579.79
4.4.90.0000.0209.79
4.4.80.0000.0209.79
4.4.70.0030.0379.79
4.4.60.0100.0179.79
4.4.50.0030.0239.79
4.4.40.0100.0439.79
4.4.30.0030.0279.79
4.4.20.0030.0279.79
4.4.10.0030.0279.79
4.4.00.0000.0509.79
4.3.110.0030.0379.79
4.3.100.0030.0309.79
4.3.90.0070.0239.79
4.3.80.0030.0309.79
4.3.70.0000.0409.79
4.3.60.0030.0339.79
4.3.50.0070.0309.79
4.3.40.0000.0479.79
4.3.30.0030.0339.79
4.3.20.0030.0379.79
4.3.10.0000.0339.79
4.3.00.0000.0379.79

preferences:
37.65 ms | 400 KiB | 5 Q