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]] = $i; } //echo print_r($map, false) . "\n"; $val = 0; echo print_r(strlen($str), false) . "\n"; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $char = $str[$i]; //echo "{$str[$i]}\n"; $val += (int)$map[$str[$i]]; } 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)
8.3.40.0000.01518.93
8.3.30.0110.00419.13
8.3.20.0040.00420.25
8.3.10.0000.00721.89
8.3.00.0050.00519.25
8.2.170.0080.00822.96
8.2.160.0100.00320.45
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0000.00819.48
8.2.110.0060.00322.20
8.2.100.0060.00617.84
8.2.90.0040.00419.19
8.2.80.0030.00517.97
8.2.70.0000.00817.75
8.2.60.0080.00417.79
8.2.50.0080.00018.07
8.2.40.0070.00318.22
8.2.30.0050.00218.09
8.2.20.0030.00517.75
8.2.10.0030.00618.18
8.2.00.0050.00217.84
8.1.270.0040.00423.84
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0040.00423.84
8.1.230.0070.00319.07
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0040.00717.35
8.1.190.0030.00617.34
8.1.180.0080.00018.10
8.1.170.0080.00018.57
8.1.160.0000.00821.92
8.1.150.0000.00718.91
8.1.140.0040.00417.32
8.1.130.0000.00717.86
8.1.120.0070.00017.45
8.1.110.0060.00317.46
8.1.100.0050.00217.50
8.1.90.0030.00517.54
8.1.80.0050.00317.38
8.1.70.0030.00617.45
8.1.60.0000.00817.63
8.1.50.0040.00417.56
8.1.40.0040.00417.44
8.1.30.0080.00017.64
8.1.20.0040.00417.67
8.1.10.0060.00317.54
8.1.00.0000.00717.59
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0040.00418.39
8.0.270.0000.00817.21
8.0.260.0030.00617.36
8.0.250.0030.00317.00
8.0.240.0040.00416.95
8.0.230.0070.00016.92
8.0.220.0040.00416.96
8.0.210.0000.00716.90
8.0.200.0030.00316.95
8.0.190.0060.00317.05
8.0.180.0050.00316.93
8.0.170.0030.00617.06
8.0.160.0050.00316.95
8.0.150.0000.00716.82
8.0.140.0030.00616.92
8.0.130.0000.00513.41
8.0.120.0030.00616.96
8.0.110.0030.00616.93
8.0.100.0050.00216.82
8.0.90.0040.00417.05
8.0.80.0120.00616.93
8.0.70.0070.00017.04
8.0.60.0050.00317.11
8.0.50.0040.00416.96
8.0.30.0170.00517.13
8.0.20.0120.00817.40
8.0.10.0040.00416.94
8.0.00.0120.00616.98
7.4.330.0000.00515.07
7.4.320.0000.00816.55
7.4.300.0030.00316.53
7.4.290.0040.00416.66
7.4.280.0030.00616.54
7.4.270.0000.00716.65
7.4.260.0030.00616.60
7.4.250.0000.00716.44
7.4.240.0000.00716.59
7.4.230.0030.00316.38
7.4.220.0060.01916.49
7.4.210.0060.00916.57
7.4.200.0070.00016.55
7.4.160.0060.00916.69
7.4.150.0120.00617.40
7.4.140.0060.01217.86
7.4.130.0090.00716.58
7.4.120.0050.01316.59
7.4.110.0110.00616.61
7.4.100.0070.01116.66
7.4.90.0180.00016.54
7.4.80.0110.00519.39
7.4.70.0090.00916.60
7.4.60.0030.01316.64
7.4.50.0060.00316.70
7.4.40.0160.00616.62
7.4.30.0090.00616.60
7.4.00.0050.01314.99
7.3.330.0000.00613.18
7.3.320.0000.00513.49
7.3.310.0040.00416.44
7.3.300.0070.00016.40
7.3.290.0070.00716.43
7.3.280.0100.00716.43
7.3.270.0180.00717.40
7.3.260.0080.01116.44
7.3.250.0080.00916.50
7.3.240.0100.00616.56
7.3.230.0100.00816.57
7.3.210.0100.00716.35
7.3.200.0200.00319.39
7.3.190.0060.01216.45
7.3.180.0090.00616.49
7.3.170.0090.00616.37
7.3.160.0030.01316.49
7.3.120.0090.00914.93
7.3.110.0070.01114.82
7.3.100.0080.00415.11
7.3.90.0140.00015.09
7.3.80.0040.01115.02
7.3.70.0030.00914.76
7.3.60.0120.00315.00
7.3.50.0150.00014.93
7.3.40.0070.00714.95
7.3.30.0040.01214.68
7.3.20.0080.00416.80
7.3.10.0030.01116.70
7.3.00.0000.00916.85
7.2.330.0060.01116.71
7.2.320.0120.00416.84
7.2.310.0060.01216.43
7.2.300.0040.01216.84
7.2.290.0100.01016.85
7.2.250.0120.00615.04
7.2.240.0000.01315.09
7.2.230.0070.01115.01
7.2.220.0120.00315.03
7.2.210.0030.00615.35
7.2.200.0030.00714.74
7.2.190.0030.01215.25
7.2.180.0030.01015.03
7.2.170.0000.01714.92
7.2.60.0100.00616.88
7.1.330.0090.00615.85
7.1.320.0060.00615.90
7.1.310.0060.00915.82
7.1.300.0060.00615.62
7.1.290.0060.00315.80
7.1.280.0000.01315.87
7.1.270.0030.00916.04
7.1.260.0030.01015.84
7.1.200.0030.00715.70
7.1.70.0110.01117.24
7.1.60.0160.01019.40
7.1.50.0130.01016.99
7.1.00.0030.07722.54
7.0.200.0040.01116.82
7.0.140.0070.07022.04
7.0.80.0030.08720.02
7.0.70.0430.05020.01
7.0.60.0500.05019.97
7.0.50.0030.05020.28
7.0.40.0130.08020.17
7.0.30.0070.04719.95
7.0.20.0070.08020.11
7.0.10.0070.04319.99
7.0.00.0070.04720.12
5.6.280.0000.07321.00
5.6.230.0130.07720.66
5.6.220.0100.08020.55
5.6.210.0200.05720.61
5.6.200.0070.04721.05
5.6.190.0070.08321.03
5.6.180.0070.07721.05
5.6.170.0070.08721.02
5.6.160.0000.07720.96
5.6.150.0170.06020.96
5.6.140.0070.08020.97
5.6.130.0070.08721.09
5.6.120.0100.08321.06
5.6.110.0130.07721.02
5.6.100.0000.07321.01
5.6.90.0070.08321.01
5.6.80.0030.08020.50
5.6.70.0100.07720.40
5.6.60.0070.07720.33
5.6.50.0170.07320.44
5.6.40.0130.08020.30
5.6.30.0100.08020.37
5.6.20.0100.07720.29
5.6.10.0100.04720.36
5.6.00.0030.07320.48
5.5.370.0070.06020.43
5.5.360.0130.04720.44
5.5.350.0130.07720.34
5.5.340.0030.05720.94
5.5.330.0070.07320.79
5.5.320.0030.08320.88
5.5.310.0100.04020.76
5.5.300.0070.08320.92
5.5.290.0130.07020.87
5.5.280.0070.05320.83
5.5.270.0070.07720.90
5.5.260.0100.08320.91
5.5.250.0070.06720.60
5.5.240.0030.07020.23
5.5.230.0170.07320.29
5.5.220.0100.07320.27
5.5.210.0070.06720.20
5.5.200.0100.07020.14
5.5.190.0170.03719.98
5.5.180.0070.08020.13
5.5.160.0100.04020.23
5.5.150.0130.06320.10
5.5.140.0070.08020.16
5.5.130.0170.03720.27
5.5.120.0100.07720.24
5.5.110.0070.04320.16
5.5.100.0200.07019.99
5.5.90.0030.06320.05
5.5.80.0070.08020.02
5.5.70.0100.07720.05
5.5.60.0200.07720.16
5.5.50.0070.04320.07
5.5.40.0030.08020.04
5.5.30.0030.08020.12
5.5.20.0030.06020.12
5.5.10.0170.07020.04
5.5.00.0070.07320.11
5.4.450.0170.06319.38
5.4.440.0030.08319.51
5.4.430.0030.05319.50
5.4.420.0070.06019.44
5.4.410.0100.07319.36
5.4.400.0000.05019.13
5.4.390.0100.07719.22
5.4.380.0070.06019.21
5.4.370.0100.06319.18
5.4.360.0030.07319.15
5.4.350.0100.06319.21
5.4.340.0070.04319.23
5.4.320.0130.06719.14
5.4.310.0170.06719.23
5.4.300.0100.07319.23
5.4.290.0030.08019.16
5.4.280.0170.08019.04
5.4.270.0070.08019.20
5.4.260.0100.04719.13
5.4.250.0100.06719.04
5.4.240.0070.06318.89
5.4.230.0000.04319.15
5.4.220.0070.04019.08
5.4.210.0100.07719.15
5.4.200.0170.06319.20
5.4.190.0100.07018.86
5.4.180.0030.06019.03
5.4.170.0100.09019.22
5.4.160.0000.08019.16
5.4.150.0200.06719.12
5.4.140.0070.07316.46
5.4.130.0030.03716.46
5.4.120.0130.06716.49
5.4.110.0000.03716.48
5.4.100.0100.06016.40
5.4.90.0030.07716.38
5.4.80.0030.07316.30
5.4.70.0070.03316.47
5.4.60.0100.02716.46
5.4.50.0030.05716.26
5.4.40.0100.07716.46
5.4.30.0100.06716.44
5.4.20.0030.07716.48
5.4.10.0070.07316.33
5.4.00.0070.06715.81
5.3.290.0130.06714.71
5.3.280.0030.07714.70
5.3.270.0030.09014.75
5.3.260.0070.07714.58
5.3.250.0100.07714.71
5.3.240.0030.04714.68
5.3.230.0030.04314.56
5.3.220.0070.07714.57
5.3.210.0130.07314.55
5.3.200.0030.04714.51
5.3.190.0070.07314.68
5.3.180.0070.07714.71
5.3.170.0070.06714.63
5.3.160.0100.07014.63
5.3.150.0030.07014.50
5.3.140.0070.05314.59
5.3.130.0170.06714.67
5.3.120.0070.07314.63
5.3.110.0070.07314.53
5.3.100.0070.07314.19
5.3.90.0070.04013.95
5.3.80.0100.06714.11
5.3.70.0000.04714.05
5.3.60.0100.06713.94
5.3.50.0030.08013.86
5.3.40.0100.06714.00
5.3.30.0030.04014.02
5.3.20.0100.07013.82
5.3.10.0100.03313.82
5.3.00.0030.04013.82
5.2.170.0070.06013.82
5.2.160.0070.06013.82
5.2.150.0030.03313.82
5.2.140.0070.06013.82
5.2.130.0070.06013.82
5.2.120.0100.05713.82
5.2.110.0100.02013.82
5.2.100.0030.05713.82
5.2.90.0030.03313.82
5.2.80.0070.03713.82
5.2.70.0100.03013.82
5.2.60.0100.06713.82
5.2.50.0070.05013.82
5.2.40.0000.06013.82
5.2.30.0100.02713.82
5.2.20.0070.03013.82
5.2.10.0000.04013.82
5.2.00.0030.06013.82
5.1.60.0030.05313.82
5.1.50.0070.04713.82
5.1.40.0030.02313.82
5.1.30.0070.05313.82
5.1.20.0030.03013.82
5.1.10.0070.04313.82
5.1.00.0070.05313.82
5.0.50.0030.04013.82
5.0.40.0070.04313.82
5.0.30.0070.03313.82
5.0.20.0000.04013.82
5.0.10.0000.04713.82
5.0.00.0030.06313.82
4.4.90.0030.03313.82
4.4.80.0030.03313.82
4.4.70.0000.03713.82
4.4.60.0000.02013.82
4.4.50.0000.03713.82
4.4.40.0030.05313.82
4.4.30.0030.01713.82
4.4.20.0000.04013.82
4.4.10.0030.02013.82
4.4.00.0030.04713.82
4.3.110.0100.01713.82
4.3.100.0030.01713.82
4.3.90.0070.03013.82
4.3.80.0030.05313.82
4.3.70.0030.02713.82
4.3.60.0000.04013.82
4.3.50.0070.03013.82
4.3.40.0030.02713.82
4.3.30.0000.01713.82
4.3.20.0030.03713.82
4.3.10.0000.03713.82
4.3.00.0070.03013.82

preferences:
42.11 ms | 400 KiB | 5 Q