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($str, false) . "\n"; echo 'strlen($str) ' . print_r(strlen($str), false) . "\n"; $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $char = $str[$i]; echo '$char ' . print_r($char, false) . "\n"; $k = $map[$char]; echo '$k ' . print_r($k, false) . "\n"; $val += (int)$map[$str[$i]]; echo '$val ' . print_r($val, false) . "\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)
8.3.60.0120.00616.73
8.3.50.0150.00322.84
8.3.40.0090.00618.90
8.3.30.0120.00319.22
8.3.20.0040.00420.20
8.3.10.0070.00021.90
8.3.00.0000.00819.51
8.2.180.0120.00916.63
8.2.170.0120.00322.96
8.2.160.0140.00020.57
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00421.03
8.2.110.0000.01022.29
8.2.100.0070.00717.84
8.2.90.0030.00619.23
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0030.00517.93
8.2.50.0090.00018.07
8.2.40.0000.00918.16
8.2.30.0050.00318.06
8.2.20.0000.00717.72
8.2.10.0080.00018.20
8.2.00.0000.00817.79
8.1.280.0100.00725.92
8.1.270.0050.00323.98
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0090.00023.96
8.1.230.0090.00318.89
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0100.00017.35
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0050.00318.60
8.1.160.0000.00722.03
8.1.150.0000.00718.85
8.1.140.0070.00017.43
8.1.130.0000.00717.71
8.1.120.0020.00517.47
8.1.110.0000.00717.48
8.1.100.0040.00417.47
8.1.90.0000.00717.43
8.1.80.0050.00317.43
8.1.70.0050.00217.40
8.1.60.0030.00617.60
8.1.50.0040.00417.55
8.1.40.0050.00317.39
8.1.30.0040.00417.59
8.1.20.0030.00517.68
8.1.10.0000.00717.55
8.1.00.0000.00817.43
8.0.300.0020.00518.77
8.0.290.0040.00416.75
8.0.280.0070.00018.50
8.0.270.0000.01017.28
8.0.260.0050.00517.19
8.0.250.0030.00317.00
8.0.240.0030.00316.93
8.0.230.0040.00416.98
8.0.220.0040.00417.02
8.0.210.0030.00617.02
8.0.200.0060.00017.00
8.0.190.0080.00017.04
8.0.180.0070.00016.98
8.0.170.0030.00517.05
8.0.160.0040.00417.04
8.0.150.0040.00416.86
8.0.140.0070.00016.96
8.0.130.0030.00313.47
8.0.120.0040.00416.92
8.0.110.0050.00216.82
8.0.100.0050.00216.80
8.0.90.0030.00317.02
8.0.80.0160.00316.89
8.0.70.0020.00517.04
8.0.60.0000.00716.87
8.0.50.0040.00416.80
8.0.30.0090.01217.23
8.0.20.0090.01017.40
8.0.10.0050.00216.91
8.0.00.0120.00616.79
7.4.330.0030.00315.13
7.4.320.0060.00016.66
7.4.300.0060.00016.53
7.4.290.0070.00016.54
7.4.280.0080.00016.38
7.4.270.0000.00716.61
7.4.260.0090.00016.51
7.4.250.0040.00416.59
7.4.240.0040.00416.56
7.4.230.0000.00716.61
7.4.220.0120.00616.73
7.4.210.0030.01216.70
7.4.200.0000.00716.33
7.4.160.0160.00016.79
7.4.150.0060.01217.40
7.4.140.0080.01217.86
7.4.130.0100.00616.66
7.4.120.0150.00716.64
7.4.110.0100.00716.68
7.4.100.0150.00916.36
7.4.90.0060.01016.54
7.4.80.0110.01119.39
7.4.70.0070.01016.40
7.4.60.0100.00716.51
7.4.50.0060.00316.48
7.4.40.0030.01716.45
7.4.30.0100.01016.63
7.4.00.0060.01114.88
7.3.330.0000.00613.23
7.3.320.0000.00513.41
7.3.310.0000.00816.31
7.3.300.0030.00316.45
7.3.290.0040.01416.46
7.3.280.0080.00916.41
7.3.270.0070.01117.40
7.3.260.0100.00716.42
7.3.250.0080.00816.47
7.3.240.0150.00416.67
7.3.230.0100.00716.42
7.3.210.0120.00616.57
7.3.200.0140.00319.39
7.3.190.0060.01116.41
7.3.180.0000.01716.48
7.3.170.0100.00716.53
7.3.160.0040.01216.50
7.3.120.0060.01315.02
7.3.110.0060.01015.18
7.3.100.0130.00314.70
7.3.90.0040.00714.91
7.3.80.0000.01214.82
7.3.70.0070.00714.98
7.3.60.0030.01014.63
7.3.50.0100.00714.96
7.3.40.0080.00814.97
7.3.30.0060.00614.75
7.3.20.0100.00616.45
7.3.10.0070.01016.70
7.3.00.0030.00716.92
7.2.330.0130.00416.68
7.2.320.0130.00716.55
7.2.310.0120.00416.71
7.2.300.0140.00616.81
7.2.290.0090.00916.70
7.2.250.0110.00415.37
7.2.240.0100.01315.31
7.2.230.0060.00614.92
7.2.220.0030.01014.87
7.2.210.0130.00015.32
7.2.200.0040.01114.91
7.2.190.0100.00015.13
7.2.180.0030.01215.04
7.2.170.0040.01215.09
7.2.00.0030.01019.22
7.1.330.0030.01315.79
7.1.320.0060.00315.96
7.1.310.0100.00315.79
7.1.300.0030.01015.84
7.1.290.0060.00915.82
7.1.280.0060.00615.61
7.1.270.0070.00715.74
7.1.260.0030.01215.95
7.1.100.0040.00717.70
7.1.70.0040.00417.26
7.1.60.0030.01019.40
7.1.50.0040.01817.01
7.1.00.0070.07322.36
7.0.200.0000.00716.79
7.0.140.0000.07722.09
7.0.90.0130.08020.07
7.0.80.0600.07720.02
7.0.70.0430.05320.02
7.0.60.0500.08020.00
7.0.50.0470.07720.35
7.0.40.0130.07720.13
7.0.30.0130.04320.07
7.0.20.0100.08320.10
7.0.10.0170.07020.07
7.0.00.0100.07020.13
5.6.280.0000.07721.08
5.6.240.0030.04720.60
5.6.230.0100.07720.64
5.6.220.0030.08020.74
5.6.210.0070.06020.69
5.6.200.0130.07021.01
5.6.190.0070.07720.95
5.6.180.0100.04721.03
5.6.170.0030.07721.06
5.6.160.0030.04721.13
5.6.150.0100.04021.10
5.6.140.0070.08020.98
5.6.130.0130.08020.98
5.6.120.0070.05321.11
5.6.110.0100.04020.95
5.6.100.0000.09021.07
5.6.90.0100.08321.08
5.6.80.0130.07020.41
5.6.70.0030.05720.41
5.6.60.0030.05020.38
5.6.50.0100.07720.35
5.6.40.0030.08720.38
5.6.30.0100.07320.39
5.6.20.0130.06320.54
5.6.10.0070.07720.31
5.6.00.0070.07720.36
5.5.380.0130.07320.52
5.5.370.0070.07320.56
5.5.360.0100.07720.42
5.5.350.0070.06320.43
5.5.340.0130.07320.82
5.5.330.0130.07720.78
5.5.320.0170.06020.92
5.5.310.0100.04720.94
5.5.300.0130.07320.93
5.5.290.0070.08320.90
5.5.280.0000.09020.84
5.5.270.0000.04720.74
5.5.260.0000.06720.89
5.5.250.0030.08320.73
5.5.240.0100.07320.13
5.5.230.0000.04720.17
5.5.220.0200.07020.16
5.5.210.0130.03720.15
5.5.200.0130.07020.16
5.5.190.0070.07720.12
5.5.180.0070.07020.09
5.5.160.0030.07020.20
5.5.150.0070.05320.23
5.5.140.0000.08320.12
5.5.130.0100.07720.14
5.5.120.0030.06720.09
5.5.110.0100.07320.09
5.5.100.0030.07720.09
5.5.90.0070.07720.02
5.5.80.0030.07319.96
5.5.70.0030.05320.12
5.5.60.0030.05720.10
5.5.50.0030.07720.05
5.5.40.0070.07020.05
5.5.30.0070.04320.06
5.5.20.0100.06020.07
5.5.10.0130.07020.05
5.5.00.0130.07719.98
5.4.450.0100.05719.18
5.4.440.0070.05019.38
5.4.430.0030.08319.45
5.4.420.0130.07319.45
5.4.410.0100.06719.07
5.4.400.0170.07319.12
5.4.390.0030.05319.15
5.4.380.0170.06718.85
5.4.370.0130.04019.16
5.4.360.0030.08019.16
5.4.350.0100.07719.08
5.4.340.0100.07019.03
5.4.320.0030.05018.91
5.4.310.0100.04319.05
5.4.300.0070.07318.88
5.4.290.0030.08019.02
5.4.280.0230.04319.09
5.4.270.0100.07319.14
5.4.260.0170.03318.90
5.4.250.0170.04319.03
5.4.240.0100.05718.89
5.4.230.0130.07019.15
5.4.220.0100.06719.23
5.4.210.0130.07719.02
5.4.200.0070.07319.17
5.4.190.0070.07319.12
5.4.180.0130.06319.11
5.4.170.0100.07019.05
5.4.160.0100.04019.10
5.4.150.0100.07019.16
5.4.140.0070.04016.45
5.4.130.0070.04016.46
5.4.120.0030.04716.25
5.4.110.0070.06716.39
5.4.100.0070.07716.49
5.4.90.0070.07016.39
5.4.80.0100.06016.54
5.4.70.0170.05716.30
5.4.60.0130.04316.25
5.4.50.0130.06316.30
5.4.40.0100.07016.46
5.4.30.0100.04716.40
5.4.20.0100.05716.30
5.4.10.0070.07316.44
5.4.00.0030.07315.64
5.3.290.0070.08014.84
5.3.280.0170.06314.67
5.3.270.0100.07314.61
5.3.260.0100.05714.65
5.3.250.0030.05014.61
5.3.240.0070.05314.57
5.3.230.0100.04014.50
5.3.220.0070.06714.64
5.3.210.0130.07314.62
5.3.200.0200.05314.61
5.3.190.0100.07014.60
5.3.180.0170.06714.59
5.3.170.0230.05714.58
5.3.160.0030.04714.55
5.3.150.0100.07714.69
5.3.140.0100.06714.54
5.3.130.0000.08314.68
5.3.120.0130.04314.62
5.3.110.0070.06314.63
5.3.100.0070.04314.14
5.3.90.0070.07314.01
5.3.80.0130.07014.09
5.3.70.0200.06014.07
5.3.60.0030.08013.92
5.3.50.0000.06014.06
5.3.40.0030.07014.06
5.3.30.0100.06313.95
5.3.20.0070.04713.85
5.3.10.0070.07313.64
5.3.00.0070.07013.54
5.2.170.0100.04711.22
5.2.160.0070.05011.29
5.2.150.0030.06311.09
5.2.140.0000.06711.21
5.2.130.0030.06311.02
5.2.120.0030.05711.25
5.2.110.0070.05711.14
5.2.100.0100.05711.12
5.2.90.0030.06011.03
5.2.80.0100.05711.16
5.2.70.0000.06311.13
5.2.60.0070.05011.08
5.2.50.0130.03711.03
5.2.40.0030.06011.07
5.2.30.0030.04010.85
5.2.20.0100.06010.84
5.2.10.0100.05710.80
5.2.00.0000.03710.79
5.1.60.0000.0309.98
5.1.50.0070.05010.07
5.1.40.0030.0379.84
5.1.30.0070.04310.21
5.1.20.0000.06310.47
5.1.10.0070.05010.15
5.1.00.0070.05010.18
5.0.50.0030.0438.62
5.0.40.0030.0238.41
5.0.30.0070.0478.23
5.0.20.0000.0278.25
5.0.10.0070.0408.20
5.0.00.0000.0678.17
4.4.90.0030.0307.44
4.4.80.0000.0237.44
4.4.70.0030.0237.44
4.4.60.0000.0337.44
4.4.50.0030.0337.44
4.4.40.0030.0537.44
4.4.30.0070.0207.44
4.4.20.0030.0337.44
4.4.10.0000.0337.44
4.4.00.0030.0537.44
4.3.110.0000.0377.44
4.3.100.0000.0207.44
4.3.90.0000.0377.44
4.3.80.0000.0537.44
4.3.70.0030.0377.44
4.3.60.0030.0337.44
4.3.50.0000.0307.44
4.3.40.0030.0437.44
4.3.30.0030.0337.44
4.3.20.0000.0377.44
4.3.10.0000.0407.44
4.3.00.0070.0277.44

preferences:
58.73 ms | 403 KiB | 5 Q