3v4l.org

run code in 300+ PHP versions simultaneously
<?php $digits = array(0,1,2,3,4,5,6,7,7,8,9,'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'); $base = count($digits); function enc($val) { $str = ''; if (0 === $val) { return '0'; } if (0 > $val) { $str = '-'; $val = -$val; } while (0 < $val) { $str .= $digits[$val % $base]; $val = (int)($val / $base); } return $str; } function gdr_encode($val) { $bin = ''; while ($val > 0) { $bin .= chr($val & 0xFF); $val >>= 8; } return str_replace(array('/', '='), array('_', ''), base64_encode($bin)); } function gdr_decode($str) { $bin = base64_decode(str_replace('_', '/', $str)); $val = 0; for ($i=strlen($bin)-1; $i>=0; $i--) { $val |= ord($bin[$i]) << $i*8; } return $val; } if (!function_exists('json_encode')) { // crappy json_encode function that can handle our narrow input function json_encode($val) { if (is_string($val)) { return "\"$val\""; } if (is_int($val)) { return strval($val); } return "???"; } } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = json_encode(gdr_encode($val)); $dec = json_encode(gdr_decode($enc)); $val = json_encode($val); $enc2 = json_encode(enc($val)); if (strlen($enc) > strlen($val)) { echo "$enc $val $enc2 WORSE\n"; } else if (strlen($enc) == strlen($val)) { echo "$enc $val $enc2 EQUAL\n"; } else { echo "$enc $val $enc2\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)
8.3.60.0150.00616.99
8.3.50.0090.00822.88
8.3.40.0070.01419.09
8.3.30.0030.01019.07
8.3.20.0000.00920.39
8.3.10.0080.00021.94
8.3.00.0090.00017.75
8.2.180.0110.00716.75
8.2.170.0110.00422.96
8.2.160.0070.00720.39
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0110.00726.16
8.2.120.0080.00020.95
8.2.110.0000.01017.75
8.2.100.0040.00819.88
8.2.90.0080.00017.75
8.2.80.0080.00018.77
8.2.70.0030.00517.63
8.2.60.0040.00417.50
8.2.50.0040.00417.75
8.2.40.0000.00818.16
8.2.30.0070.00018.07
8.2.20.0040.00417.94
8.2.10.0050.00318.30
8.2.00.0000.00817.86
8.1.280.0140.00025.92
8.1.270.0050.00323.96
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0070.01024.02
8.1.230.0040.00821.03
8.1.220.0040.00419.11
8.1.210.0000.00818.77
8.1.200.0040.00417.48
8.1.190.0030.00617.48
8.1.180.0040.00418.10
8.1.170.0060.00318.59
8.1.160.0040.00422.13
8.1.150.0000.00818.95
8.1.140.0000.00717.47
8.1.130.0000.00717.76
8.1.120.0040.00417.59
8.1.110.0030.00617.54
8.1.100.0040.00417.55
8.1.90.0040.00417.46
8.1.80.0000.00717.41
8.1.70.0030.00717.41
8.1.60.0000.00817.66
8.1.50.0040.00417.61
8.1.40.0000.00917.55
8.1.30.0030.00617.70
8.1.20.0000.00917.64
8.1.10.0000.00817.62
8.1.00.0030.00517.43
8.0.300.0050.00218.93
8.0.290.0040.00416.88
8.0.280.0040.00418.50
8.0.270.0040.00417.34
8.0.260.0090.00017.33
8.0.250.0000.00717.09
8.0.240.0030.00317.09
8.0.230.0000.00716.97
8.0.220.0080.00016.92
8.0.210.0030.00416.88
8.0.200.0060.00017.12
8.0.190.0000.00717.12
8.0.180.0050.00217.04
8.0.170.0000.00817.07
8.0.160.0000.00716.96
8.0.150.0000.00816.97
8.0.140.0050.00316.99
8.0.130.0050.00013.47
8.0.120.0000.00816.90
8.0.110.0040.00416.94
8.0.100.0030.00516.87
8.0.90.0000.00717.07
8.0.80.0140.00316.98
8.0.70.0080.00016.82
8.0.60.0050.00217.13
8.0.50.0040.00417.10
8.0.30.0060.01317.11
8.0.20.0110.01117.40
8.0.10.0040.00417.07
8.0.00.0090.00916.84
7.4.330.0000.00515.15
7.4.320.0070.00016.53
7.4.300.0060.00016.55
7.4.290.0090.00016.68
7.4.280.0040.00416.66
7.4.270.0000.00816.53
7.4.260.0000.00716.60
7.4.250.0080.00016.52
7.4.240.0000.00716.51
7.4.230.0030.00316.69
7.4.220.0130.00616.56
7.4.210.0090.00616.59
7.4.200.0000.00716.41
7.4.160.0120.00316.46
7.4.150.0110.00717.40
7.4.140.0120.00817.86
7.4.130.0110.00516.63
7.4.120.0090.00916.55
7.4.110.0070.01016.67
7.4.100.0140.00316.68
7.4.90.0110.00716.76
7.4.80.0090.00919.39
7.4.70.0140.00316.48
7.4.60.0100.00616.55
7.4.50.0050.00016.47
7.4.40.0090.00916.39
7.4.30.0110.00616.69
7.4.00.0070.00714.77
7.3.330.0000.00513.43
7.3.320.0000.00513.38
7.3.310.0070.00016.48
7.3.300.0000.00716.47
7.3.290.0070.00716.48
7.3.280.0060.01016.43
7.3.270.0090.00817.40
7.3.260.0090.00916.45
7.3.250.0100.01016.53
7.3.240.0130.00416.42
7.3.230.0130.00316.50
7.3.210.0070.01016.45
7.3.200.0030.01519.39
7.3.190.0110.01216.46
7.3.180.0100.01316.68
7.3.170.0080.00816.66
7.3.160.0030.01316.68
7.2.330.0130.00316.57
7.2.320.0030.01616.80
7.2.310.0030.01316.53
7.2.300.0070.01016.68
7.2.290.0100.00716.63
7.2.60.0090.00616.65
7.2.00.0070.00719.54
7.1.200.0040.01115.88
7.1.100.0040.00818.33
7.1.70.0000.01017.26
7.1.60.0070.01819.40
7.1.50.0110.01416.96
7.1.00.0070.07322.31
7.0.200.0050.00316.84
7.0.140.0130.06022.15
7.0.90.0570.03720.18
7.0.80.0500.04720.07
7.0.70.0470.06019.93
7.0.60.0200.04020.00
7.0.50.0200.04720.43
7.0.40.0070.03320.17
7.0.30.0030.04720.04
7.0.20.0100.08020.16
7.0.10.0100.04020.12
7.0.00.0000.04020.07
5.6.280.0070.07320.81
5.6.240.0100.03720.63
5.6.230.0030.05020.56
5.6.220.0100.04720.64
5.6.210.0030.03720.68
5.6.200.0100.04320.99
5.6.190.0070.04021.06
5.6.180.0100.06021.06
5.6.170.0030.04321.08
5.6.160.0070.05321.04
5.6.150.0030.04021.09
5.6.140.0030.04021.07
5.6.130.0070.03721.08
5.6.120.0100.04021.10
5.6.110.0070.04021.10
5.6.100.0070.06720.98
5.6.90.0000.04721.03
5.6.80.0100.03320.42
5.6.70.0000.06020.52
5.6.60.0070.04320.56
5.6.50.0030.06320.44
5.6.40.0070.05320.55
5.6.30.0000.08320.41
5.6.20.0070.05020.47
5.6.10.0100.07320.45
5.6.00.0100.07720.48
5.5.380.0030.04320.45
5.5.370.0030.04720.59
5.5.360.0130.03020.44
5.5.350.0070.04020.40
5.5.340.0070.03320.79
5.5.330.0000.04320.76
5.5.320.0030.05720.86
5.5.310.0030.03720.79
5.5.300.0030.04320.89
5.5.290.0100.03720.93
5.5.280.0070.04320.79
5.5.270.0070.04720.93
5.5.260.0100.03720.95
5.5.250.0030.04020.71
5.5.240.0030.04020.30
5.5.230.0100.04020.18
5.5.220.0070.04020.29
5.5.210.0000.03720.30
5.5.200.0000.04320.28
5.5.190.0100.07320.21
5.5.180.0100.07320.15
5.5.160.0130.06720.27
5.5.150.0000.08720.18
5.5.140.0030.07020.27
5.5.130.0030.08720.20
5.5.120.0100.07320.16
5.5.110.0100.05320.13
5.5.100.0000.08020.10
5.5.90.0100.07320.14
5.5.80.0100.03720.18
5.5.70.0100.05720.03
5.5.60.0000.08019.99
5.5.50.0100.07319.96
5.5.40.0070.07020.17
5.5.30.0000.08720.11
5.5.20.0070.06720.18
5.5.10.0100.04320.07
5.5.00.0130.07320.08
5.4.450.0030.04319.28
5.4.440.0030.04019.20
5.4.430.0070.07019.50
5.4.420.0030.04719.36
5.4.410.0000.04019.33
5.4.400.0030.05019.13
5.4.390.0070.06318.90
5.4.380.0070.03019.05
5.4.370.0100.02719.09
5.4.360.0030.04019.23
5.4.350.0070.05719.14
5.4.340.0070.08019.10
5.4.320.0070.08319.03
5.4.310.0070.04719.23
5.4.300.0070.05719.13
5.4.290.0070.07019.20
5.4.280.0030.04719.02
5.4.270.0070.07719.20
5.4.260.0070.04019.04
5.4.250.0170.05319.04
5.4.240.0100.07019.15
5.4.230.0070.07319.15
5.4.220.0030.05019.20
5.4.210.0100.05319.13
5.4.200.0170.06319.20
5.4.190.0200.06319.08
5.4.180.0000.08719.17
5.4.170.0100.07019.17
5.4.160.0170.07319.03
5.4.150.0070.05318.85
5.4.140.0070.04316.47
5.4.130.0000.08316.43
5.4.120.0130.07016.46
5.4.110.0130.06316.53
5.4.100.0070.05716.48
5.4.90.0130.06316.38
5.4.80.0130.06716.55
5.4.70.0070.08016.52
5.4.60.0100.06316.46
5.4.50.0100.07316.46
5.4.40.0100.06016.36
5.4.30.0100.06716.36
5.4.20.0100.06716.45
5.4.10.0030.07316.45
5.4.00.0070.07315.66
5.3.290.0030.07314.68
5.3.280.0100.06014.57
5.3.270.0100.07714.60
5.3.260.0070.05314.63
5.3.250.0100.07714.70
5.3.240.0200.06314.65
5.3.230.0070.08014.57
5.3.220.0070.07714.73
5.3.210.0070.07014.70
5.3.200.0070.07314.65
5.3.190.0200.06014.56
5.3.180.0030.08014.68
5.3.170.0130.04014.57
5.3.160.0070.07714.65
5.3.150.0070.07714.68
5.3.140.0000.08014.52
5.3.130.0100.05314.59
5.3.120.0100.06714.50
5.3.110.0070.07714.64
5.3.100.0070.07314.05
5.3.90.0100.07014.01
5.3.80.0000.07714.04
5.3.70.0070.07314.03
5.3.60.0030.07714.08
5.3.50.0130.07013.88
5.3.40.0100.04714.12
5.3.30.0030.04014.00
5.3.20.0030.07013.64
5.3.10.0130.05713.74
5.3.00.0100.07013.73
5.2.170.0000.06311.07
5.2.160.0030.06711.18
5.2.150.0100.05311.28
5.2.140.0070.03711.09
5.2.130.0100.05711.19
5.2.120.0030.04311.23
5.2.110.0030.03711.25
5.2.100.0000.07011.04
5.2.90.0070.05311.16
5.2.80.0070.05011.11
5.2.70.0030.03710.98
5.2.60.0100.05711.18
5.2.50.0100.06011.12
5.2.40.0070.05311.12
5.2.30.0030.05711.09
5.2.20.0100.05310.89
5.2.10.0030.05710.98
5.2.00.0030.05010.69
5.1.60.0100.02010.11
5.1.50.0070.03010.10
5.1.40.0000.04310.09
5.1.30.0100.05010.39
5.1.20.0070.03710.48
5.1.10.0030.0239.95
5.1.00.0000.02710.19
5.0.50.0070.0438.47
5.0.40.0030.0378.29
5.0.30.0000.0538.30
5.0.20.0070.0278.33
5.0.10.0070.0378.06
5.0.00.0030.0338.30
4.4.90.0070.0307.72
4.4.80.0030.0237.72
4.4.70.0070.0337.72
4.4.60.0000.0337.72
4.4.50.0000.0377.72
4.4.40.0000.0537.72
4.4.30.0000.0307.72
4.4.20.0070.0107.72
4.4.10.0000.0177.72
4.4.00.0000.0437.72
4.3.110.0030.0307.72
4.3.100.0030.0307.72
4.3.90.0030.0337.72
4.3.80.0030.0507.72
4.3.70.0030.0307.72
4.3.60.0030.0207.72
4.3.50.0030.0337.72
4.3.40.0000.0337.72
4.3.30.0000.0337.72
4.3.20.0030.0137.72
4.3.10.0000.0377.72
4.3.00.0000.0407.72

preferences:
41.06 ms | 401 KiB | 5 Q