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"; 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)
8.3.60.0090.00916.63
8.3.50.0130.00623.06
8.3.40.0070.01119.14
8.3.30.0120.00319.18
8.3.20.0040.00420.34
8.3.10.0080.00021.66
8.3.00.0080.00019.38
8.2.180.0120.00616.63
8.2.170.0100.01022.96
8.2.160.0070.00720.41
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00021.10
8.2.110.0030.00622.21
8.2.100.0060.01018.03
8.2.90.0060.00319.17
8.2.80.0000.00917.97
8.2.70.0060.00317.63
8.2.60.0030.00517.93
8.2.50.0060.00318.07
8.2.40.0090.00618.19
8.2.30.0000.00718.05
8.2.20.0030.00517.86
8.2.10.0040.00418.17
8.2.00.0030.00617.76
8.1.280.0070.01525.92
8.1.270.0030.00523.83
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00323.82
8.1.230.0000.01119.16
8.1.220.0050.00317.77
8.1.210.0030.00518.77
8.1.200.0060.00317.47
8.1.190.0030.00517.13
8.1.180.0000.00818.10
8.1.170.0000.00918.43
8.1.160.0020.00522.05
8.1.150.0020.00518.92
8.1.140.0000.00717.41
8.1.130.0070.00017.87
8.1.120.0040.00417.40
8.1.110.0050.00317.39
8.1.100.0030.00517.46
8.1.90.0040.00417.49
8.1.80.0080.00017.54
8.1.70.0030.00617.44
8.1.60.0050.00317.63
8.1.50.0050.00317.61
8.1.40.0000.00717.53
8.1.30.0000.00917.60
8.1.20.0050.00317.60
8.1.10.0040.00417.65
8.1.00.0040.00417.57
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00818.60
8.0.270.0030.00617.29
8.0.260.0060.00317.30
8.0.250.0000.00716.98
8.0.240.0030.00317.05
8.0.230.0030.00316.99
8.0.220.0000.00716.93
8.0.210.0030.00316.87
8.0.200.0030.00317.10
8.0.190.0080.00016.98
8.0.180.0040.00417.05
8.0.170.0000.00817.00
8.0.160.0000.00716.88
8.0.150.0040.00416.95
8.0.140.0000.00716.82
8.0.130.0000.00513.48
8.0.120.0000.00816.91
8.0.110.0000.00717.04
8.0.100.0070.00016.91
8.0.90.0000.00816.89
8.0.80.0050.01116.96
8.0.70.0000.00716.85
8.0.60.0040.00416.92
8.0.50.0000.00816.81
8.0.30.0100.00917.20
8.0.20.0060.01317.40
8.0.10.0050.00317.18
8.0.00.0140.00416.90
7.4.330.0050.00015.00
7.4.320.0000.00616.67
7.4.300.0060.00016.65
7.4.290.0070.00016.51
7.4.280.0050.00216.47
7.4.270.0000.00716.46
7.4.260.0000.00716.61
7.4.250.0000.00716.58
7.4.240.0040.00416.47
7.4.230.0070.00016.36
7.4.220.0120.00616.55
7.4.210.0150.00016.51
7.4.200.0070.00016.46
7.4.160.0060.01116.68
7.4.150.0100.01017.40
7.4.140.0150.00317.86
7.4.130.0150.00216.53
7.4.120.0130.00716.56
7.4.110.0030.01416.71
7.4.100.0060.01116.54
7.4.90.0040.01516.55
7.4.80.0000.01819.39
7.4.70.0120.00616.57
7.4.60.0050.01416.77
7.4.50.0000.00416.42
7.4.40.0150.00816.53
7.4.30.0110.00516.37
7.4.00.0110.00715.24
7.3.330.0030.00313.40
7.3.320.0000.00513.52
7.3.310.0030.00316.30
7.3.300.0000.00716.46
7.3.290.0060.00916.47
7.3.280.0080.00916.39
7.3.270.0100.00717.40
7.3.260.0070.01016.43
7.3.250.0090.00716.38
7.3.240.0100.00716.39
7.3.230.0130.00316.46
7.3.210.0080.00816.58
7.3.200.0100.01419.39
7.3.190.0170.00016.52
7.3.180.0120.00416.52
7.3.170.0030.01316.48
7.3.160.0090.00616.61
7.2.330.0140.00316.85
7.2.320.0120.00416.79
7.2.310.0100.00716.59
7.2.300.0080.01516.86
7.2.290.0130.00416.60
7.1.100.0060.00917.82
7.1.70.0000.01117.22
7.1.60.0030.01219.40
7.1.50.0040.01216.92
7.1.00.0000.08022.43
7.0.200.0000.01116.71
7.0.140.0000.07321.98
7.0.90.0300.04019.87
7.0.80.0370.04319.90
7.0.70.0500.06319.95
7.0.60.0300.03720.05
7.0.50.0170.04320.32
7.0.40.0070.05320.13
7.0.30.0070.04320.10
7.0.20.0030.04320.23
7.0.10.0030.04720.04
7.0.00.0000.04719.95
5.6.280.0070.07021.16
5.6.240.0000.04320.50
5.6.230.0070.04020.67
5.6.220.0030.04020.58
5.6.210.0030.04320.63
5.6.200.0030.04321.07
5.6.190.0070.04321.15
5.6.180.0000.04721.09
5.6.170.0000.05321.18
5.6.160.0070.07021.02
5.6.150.0000.05321.03
5.6.140.0000.04321.14
5.6.130.0100.03320.96
5.6.120.0070.04020.95
5.6.110.0170.03021.08
5.6.100.0130.03721.17
5.6.90.0070.04021.09
5.6.80.0030.07020.41
5.6.70.0070.05020.52
5.6.60.0100.06720.43
5.6.50.0030.05320.45
5.6.40.0130.07720.32
5.6.30.0200.06320.48
5.6.20.0200.05720.31
5.6.10.0130.04320.32
5.6.00.0070.04020.38
5.5.380.0170.04020.38
5.5.370.0000.04320.55
5.5.360.0000.05320.32
5.5.350.0100.05020.42
5.5.340.0030.04720.93
5.5.330.0100.07320.94
5.5.320.0000.04320.82
5.5.310.0030.05320.92
5.5.300.0000.05020.93
5.5.290.0100.06320.77
5.5.280.0000.06320.84
5.5.270.0100.04020.90
5.5.260.0070.04320.87
5.5.250.0000.04020.59
5.5.240.0100.07320.22
5.5.230.0100.07720.04
5.5.220.0170.06320.27
5.5.210.0000.08320.21
5.5.200.0070.04320.10
5.5.190.0070.08020.29
5.5.180.0130.07720.27
5.5.160.0030.04720.25
5.5.150.0000.08320.15
5.5.140.0230.06320.14
5.5.130.0030.08320.25
5.5.120.0000.08720.29
5.5.110.0130.07020.06
5.5.100.0100.07719.96
5.5.90.0100.06719.96
5.5.80.0170.06720.08
5.5.70.0170.06320.15
5.5.60.0070.07020.06
5.5.50.0100.06020.06
5.5.40.0100.07319.92
5.5.30.0030.08320.12
5.5.20.0030.05020.11
5.5.10.0070.07720.06
5.5.00.0030.08320.08
5.4.450.0070.06019.38
5.4.440.0030.04019.51
5.4.430.0130.03019.48
5.4.420.0000.03719.36
5.4.410.0100.04019.32
5.4.400.0000.05018.95
5.4.390.0030.08019.23
5.4.380.0030.08019.13
5.4.370.0130.06719.14
5.4.360.0100.07719.18
5.4.350.0070.06019.05
5.4.340.0070.07318.88
5.4.320.0000.07018.90
5.4.310.0070.05719.13
5.4.300.0100.07319.12
5.4.290.0130.07319.12
5.4.280.0070.07019.04
5.4.270.0070.07319.05
5.4.260.0100.06019.04
5.4.250.0130.06019.15
5.4.240.0030.04718.84
5.4.230.0100.07319.02
5.4.220.0100.06719.21
5.4.210.0070.06719.02
5.4.200.0100.03719.17
5.4.190.0030.07719.17
5.4.180.0130.07318.84
5.4.170.0000.05319.04
5.4.160.0100.07019.02
5.4.150.0030.07319.05
5.4.140.0070.07316.26
5.4.130.0170.05016.45
5.4.120.0030.07016.41
5.4.110.0230.03716.32
5.4.100.0000.05016.57
5.4.90.0170.04716.57
5.4.80.0030.05716.43
5.4.70.0100.06716.33
5.4.60.0100.04316.32
5.4.50.0070.03716.44
5.4.40.0070.07016.31
5.4.30.0070.06316.47
5.4.20.0070.07316.44
5.4.10.0070.07016.48
5.4.00.0070.04715.81
5.3.290.0070.07314.62
5.3.280.0070.08014.67
5.3.270.0070.07714.68
5.3.260.0030.05714.75
5.3.250.0030.05014.72
5.3.240.0100.04014.58
5.3.230.0070.07714.68
5.3.220.0100.06014.64
5.3.210.0100.07714.70
5.3.200.0030.04714.73
5.3.190.0030.07714.68
5.3.180.0170.06714.65
5.3.170.0100.06014.60
5.3.160.0070.07314.57
5.3.150.0030.08014.65
5.3.140.0070.07314.71
5.3.130.0030.05714.49
5.3.120.0000.06714.70
5.3.110.0100.04014.59
5.3.100.0030.08014.08
5.3.90.0200.06714.14
5.3.80.0030.07013.97
5.3.70.0000.05313.92
5.3.60.0030.04714.07
5.3.50.0000.04713.86
5.3.40.0000.05313.90
5.3.30.0070.05014.06
5.3.20.0070.04713.82
5.3.10.0030.04313.79
5.3.00.0100.07313.68
5.2.170.0000.05011.06
5.2.160.0070.06011.18
5.2.150.0030.06011.15
5.2.140.0030.06011.27
5.2.130.0070.05311.23
5.2.120.0000.03710.98
5.2.110.0070.04711.02
5.2.100.0070.04311.17
5.2.90.0070.04011.14
5.2.80.0070.05311.14
5.2.70.0000.04711.25
5.2.60.0000.04011.16
5.2.50.0000.06311.15
5.2.40.0030.06010.93
5.2.30.0000.06711.10
5.2.20.0030.06011.00
5.2.10.0070.04310.82
5.2.00.0030.06010.83
5.1.60.0030.05710.55
5.1.50.0100.04710.55
5.1.40.0100.04010.55
5.1.30.0030.03310.55
5.1.20.0030.05310.55
5.1.10.0030.04710.55
5.1.00.0030.03310.55
5.0.50.0100.03010.55
5.0.40.0030.03310.55
5.0.30.0030.04010.55
5.0.20.0100.03710.55
5.0.10.0000.03010.55
5.0.00.0070.05710.55
4.4.90.0030.02010.55
4.4.80.0070.03010.55
4.4.70.0000.04010.55
4.4.60.0100.01710.55
4.4.50.0000.03710.55
4.4.40.0030.03010.55
4.4.30.0030.01710.55
4.4.20.0000.03710.55
4.4.10.0000.03710.55
4.4.00.0030.05010.55
4.3.110.0000.02710.55
4.3.100.0070.03010.55
4.3.90.0070.02310.55
4.3.80.0100.02310.55
4.3.70.0030.03010.55
4.3.60.0030.03010.55
4.3.50.0000.01710.55
4.3.40.0000.05010.55
4.3.30.0030.03010.55
4.3.20.0000.03710.55
4.3.10.0030.03310.55
4.3.00.0000.02310.55

preferences:
45.85 ms | 401 KiB | 5 Q