3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $str = ''; while ($val > 0) { $str = $chrs[$val % $base] . $str; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chrs[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 500000, 999999, 1000000, 4294967295, 4294967296); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); $dlt = strlen($enc)+2 - strlen($val); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else if (strlen($enc)+2 > strlen($val)) { echo "+$dlt \"$enc\" $val\n"; } else if (strlen($enc)+2 == strlen($val)) { echo "== \"$enc\" $val\n"; } else { echo "$dlt \"$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)
8.3.60.0110.00716.63
8.3.50.0100.00522.85
8.3.40.0090.00618.70
8.3.30.0030.01019.09
8.3.20.0140.00020.31
8.3.10.0120.00621.64
8.3.00.0000.00819.50
8.2.180.0130.00616.63
8.2.170.0180.00022.96
8.2.160.0110.00420.43
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0040.00421.16
8.2.110.0030.00722.44
8.2.100.0080.00417.78
8.2.90.0080.00017.88
8.2.80.0090.00417.97
8.2.70.0100.00017.93
8.2.60.0040.00418.05
8.2.50.0050.00318.10
8.2.40.0050.00319.47
8.2.30.0040.00420.65
8.2.20.0040.00417.76
8.2.10.0050.00518.14
8.2.00.0030.00517.82
8.1.280.0140.00325.92
8.1.270.0150.00323.84
8.1.260.0040.00426.35
8.1.250.0080.00828.09
8.1.240.0060.00323.98
8.1.230.0060.00619.12
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0040.00417.47
8.1.190.0050.00517.22
8.1.180.0030.00518.10
8.1.170.0000.00818.80
8.1.160.0000.00818.82
8.1.150.0040.00418.88
8.1.140.0040.00417.35
8.1.130.0030.00317.80
8.1.120.0040.00417.39
8.1.110.0040.00417.38
8.1.100.0030.00417.51
8.1.90.0000.00717.36
8.1.80.0040.00417.53
8.1.70.0070.00017.48
8.1.60.0030.00617.53
8.1.50.0050.00317.45
8.1.40.0030.00617.43
8.1.30.0090.00017.70
8.1.20.0040.00417.69
8.1.10.0050.00217.60
8.1.00.0000.00817.56
8.0.300.0050.00318.77
8.0.290.0080.00016.63
8.0.280.0030.00318.47
8.0.270.0030.00617.34
8.0.260.0070.00317.27
8.0.250.0000.00716.95
8.0.240.0000.00716.89
8.0.230.0000.00716.92
8.0.220.0030.00316.85
8.0.210.0000.00716.91
8.0.200.0040.00416.89
8.0.190.0050.00317.02
8.0.180.0000.00716.83
8.0.170.0000.00716.92
8.0.160.0040.00417.03
8.0.150.0000.00816.73
8.0.140.0000.00716.85
8.0.130.0030.00313.28
8.0.120.0070.00016.87
8.0.110.0030.00516.91
8.0.100.0050.00216.77
8.0.90.0040.00416.74
8.0.80.0130.01016.89
8.0.70.0030.00516.80
8.0.60.0040.00416.91
8.0.50.0070.00016.90
8.0.30.0110.01216.93
8.0.20.0180.00517.40
8.0.10.0050.00317.01
8.0.00.0140.00416.77
7.4.330.0050.00015.00
7.4.320.0030.00316.52
7.4.300.0030.00316.54
7.4.290.0000.00716.69
7.4.280.0000.00716.66
7.4.270.0030.00616.62
7.4.260.0030.00316.37
7.4.250.0070.00016.59
7.4.240.0020.00516.57
7.4.230.0070.00016.39
7.4.220.0110.00716.39
7.4.210.0070.00716.65
7.4.200.0070.00016.45
7.4.160.0140.00516.39
7.4.150.0140.00517.40
7.4.140.0120.00617.86
7.4.130.0080.01116.40
7.4.120.0100.00716.57
7.4.110.0120.00416.55
7.4.100.0060.01216.57
7.4.90.0150.00316.69
7.4.80.0140.00319.39
7.4.70.0110.00516.59
7.4.60.0110.00516.57
7.4.50.0050.00316.53
7.4.40.0110.00716.53
7.4.30.0150.00416.48
7.4.00.0070.01114.96
7.3.330.0000.00513.29
7.3.320.0060.00013.34
7.3.310.0040.00416.28
7.3.300.0000.00716.24
7.3.290.0030.01316.31
7.3.280.0090.00916.37
7.3.270.0080.00917.40
7.3.260.0180.00016.39
7.3.240.0090.00916.64
7.3.230.0140.00216.39
7.3.210.0090.00916.74
7.3.200.0100.00719.39
7.3.190.0130.00316.46
7.3.180.0080.00816.39
7.3.170.0110.00616.50
7.3.160.0090.01316.48
7.3.120.0100.01014.61
7.3.110.0040.01414.87
7.3.100.0070.00914.75
7.3.90.0060.00614.88
7.3.80.0060.01015.06
7.3.70.0060.00614.74
7.3.60.0040.00814.71
7.3.50.0050.00714.78
7.3.40.0120.00214.81
7.3.30.0040.00514.79
7.3.20.0080.00716.66
7.3.10.0030.00816.43
7.3.00.0100.00316.67
7.2.330.0120.01216.80
7.2.320.0140.00416.91
7.2.310.0090.00916.49
7.2.300.0120.00616.78
7.2.290.0140.00716.45
7.2.250.0040.00915.26
7.2.240.0090.01115.22
7.2.230.0040.01315.04
7.2.220.0080.00615.14
7.2.210.0090.00515.10
7.2.200.0030.01115.14
7.2.190.0030.01015.01
7.2.180.0050.00715.01
7.2.170.0070.00615.08
7.2.160.0030.01015.22
7.2.150.0040.00817.05
7.2.140.0040.00816.89
7.2.130.0070.00716.91
7.2.120.0030.01416.99
7.2.110.0030.00916.87
7.2.100.0070.00716.94
7.2.90.0090.00316.73
7.2.80.0100.00017.10
7.2.70.0030.01016.82
7.2.60.0030.01017.05
7.2.50.0130.00316.90
7.2.40.0000.01416.72
7.2.30.0100.00016.65
7.2.20.0090.00616.91
7.2.10.0090.00616.78
7.2.00.0070.00718.14
7.1.330.0050.01115.82
7.1.320.0100.00515.74
7.1.310.0070.00915.85
7.1.300.0040.00815.86
7.1.290.0050.00915.71
7.1.280.0040.00615.71
7.1.270.0030.01115.87
7.1.260.0030.00815.86
7.1.250.0090.00615.56
7.1.240.0060.00615.91
7.1.230.0050.00515.84
7.1.220.0040.00815.72
7.1.210.0030.00915.92
7.1.200.0050.00915.70
7.1.190.0100.00715.80
7.1.180.0030.00915.81
7.1.170.0090.00015.77
7.1.160.0030.00715.78
7.1.150.0040.01115.84
7.1.140.0060.00915.76
7.1.130.0060.00615.68
7.1.120.0030.00915.84
7.1.110.0060.00915.70
7.1.100.0020.00916.74
7.1.90.0080.00315.74
7.1.80.0100.00715.98
7.1.70.0050.00816.56
7.1.60.0060.00817.51
7.1.50.0120.01325.23
7.1.40.0060.00315.77
7.1.30.0060.00615.78
7.1.20.0060.00315.80
7.1.10.0030.01015.87
7.1.00.0020.05619.01
7.0.330.0070.00715.42
7.0.320.0090.00615.32
7.0.310.0030.01015.24
7.0.300.0030.01015.22
7.0.290.0030.00515.36
7.0.280.0040.00815.55
7.0.270.0070.00715.48
7.0.260.0120.00015.15
7.0.250.0030.01115.39
7.0.240.0040.00415.44
7.0.230.0030.01215.51
7.0.220.0100.00315.50
7.0.210.0040.01215.21
7.0.200.0020.00716.02
7.0.190.0030.01015.47
7.0.180.0070.00715.16
7.0.170.0000.01415.19
7.0.160.0040.01115.15
7.0.150.0030.01615.40
7.0.140.0090.03718.62
7.0.130.0090.00615.47
7.0.120.0000.01415.25
7.0.110.0060.01015.37
7.0.100.0070.00715.43
7.0.90.0030.00615.50
7.0.80.0030.01015.39
7.0.70.0100.00315.14
7.0.60.0060.04817.60
7.0.50.0040.03916.61
7.0.40.0060.04216.91
7.0.30.0320.03816.84
7.0.20.0150.03916.87
7.0.10.0130.02816.80
7.0.00.0030.04016.72
5.6.400.0000.01114.12
5.6.390.0040.01414.68
5.6.380.0000.01714.05
5.6.370.0030.01014.22
5.6.360.0080.00814.29
5.6.350.0060.00614.02
5.6.340.0030.00714.69
5.6.330.0060.00914.40
5.6.320.0030.01014.37
5.6.310.0060.01014.41
5.6.300.0070.00714.64
5.6.290.0060.01014.47
5.6.280.0080.03917.80
5.6.270.0060.00614.38
5.6.260.0000.01814.39
5.6.250.0050.00514.52
5.6.240.0030.01014.44
5.6.230.0030.00914.27
5.6.220.0030.01314.40
5.6.210.0080.04117.61
5.6.200.0080.02516.29
5.6.190.0000.03317.52
5.6.180.0110.03117.41
5.6.170.0150.03517.51
5.6.160.0080.04817.37
5.6.150.0080.02216.37
5.6.140.0100.03316.27
5.6.130.0050.04616.22
5.6.120.0060.04517.75
5.6.110.0080.03717.63
5.6.100.0070.04717.72
5.6.90.0030.02517.61
5.6.80.0080.04317.38
5.6.70.0110.00314.42
5.6.60.0040.01114.46
5.6.50.0110.00314.28
5.6.40.0030.01014.16
5.6.30.0040.01114.36
5.6.20.0040.01114.29
5.6.10.0000.01214.00
5.6.00.0030.01014.71
5.5.380.0040.00814.50
5.5.370.0060.00614.35
5.5.360.0030.01014.47
5.5.350.0100.04417.40
5.5.340.0050.03116.27
5.5.330.0070.04717.27
5.5.320.0190.02917.47
5.5.310.0150.02717.20
5.5.300.0030.04816.35
5.5.290.0090.02516.33
5.5.280.0080.02117.48
5.5.270.0190.02317.66
5.5.260.0120.04017.53
5.5.250.0080.04517.53
5.5.240.0120.03717.20
5.5.230.0050.01114.16
5.5.220.0100.00714.33
5.5.210.0000.01214.36
5.5.200.0000.01414.43
5.5.190.0060.00914.44
5.5.180.0090.00614.06
5.5.170.0030.01414.40
5.5.160.0060.01213.91
5.5.150.0100.00514.57
5.5.140.0030.01014.34
5.5.130.0080.00413.96
5.5.120.0070.00714.45
5.5.110.0100.00614.18
5.5.100.0090.00914.35
5.5.90.0080.00314.41
5.5.80.0090.00614.18
5.5.70.0120.00614.38
5.5.60.0100.01014.45
5.5.50.0070.01014.30
5.5.40.0090.00914.36
5.5.30.0130.00314.46
5.5.20.0030.00713.86
5.5.10.0100.00713.82
5.5.00.0040.00714.06
5.4.450.0370.02215.50
5.4.440.0070.02615.16
5.4.430.0130.02515.33
5.4.420.0150.02515.47
5.4.410.0150.02715.34
5.4.400.0220.02315.21
5.4.390.0150.02514.97
5.4.380.0130.03115.06
5.4.370.0250.02715.01
5.4.360.0210.02814.97
5.4.350.0160.03215.00
5.4.340.0250.02814.84
5.4.330.0000.01011.06
5.4.320.0070.02611.64
5.4.310.0060.02211.65
5.4.300.0050.02111.90
5.4.290.0030.02211.83
5.4.280.0020.02511.65
5.4.270.0070.02111.85
5.4.260.0030.02611.77
5.4.250.0070.02211.76
5.4.240.0070.02111.71
5.4.230.0060.02211.73
5.4.220.0040.02311.72
5.4.210.0040.02211.65
5.4.200.0070.02311.62
5.4.190.0040.02311.94
5.4.180.0050.02511.77
5.4.170.0030.02611.76
5.4.160.0070.02111.72
5.4.150.0060.02111.65
5.4.140.0060.02311.62
5.4.130.0040.02111.64
5.4.120.0070.02011.51
5.4.110.0070.02311.52
5.4.100.0070.02611.45
5.4.90.0060.03111.49
5.4.80.0020.03611.66
5.4.70.0050.02211.61
5.4.60.0040.02411.44
5.4.50.0020.02411.62
5.4.40.0060.02011.66
5.4.30.0070.02011.58
5.4.20.0070.02011.66
5.4.10.0070.02111.60
5.4.00.0070.02011.41
5.3.290.0050.04512.80
5.3.280.0090.03612.71
5.3.270.0060.04012.72
5.3.260.0050.04012.72
5.3.250.0090.03412.72
5.3.240.0060.03712.72
5.3.230.0050.03912.71
5.3.220.0110.03212.68
5.3.210.0070.03912.68
5.3.200.0060.03812.68
5.3.190.0070.03712.68
5.3.180.0080.03612.68
5.3.170.0050.04012.68
5.3.160.0090.03412.67
5.3.150.0060.03812.68
5.3.140.0090.03512.66
5.3.130.0140.03112.65
5.3.120.0050.04112.66
5.3.110.0040.04112.66
5.3.100.0040.03912.14
5.3.90.0070.03812.13
5.3.80.0080.03412.11
5.3.70.0040.04012.11
5.3.60.0110.03312.10
5.3.50.0090.03512.05
5.3.40.0100.03412.05
5.3.30.0090.03412.01
5.3.20.0060.05211.79
5.3.10.0050.03711.75
5.3.00.0050.03811.74
5.2.170.0080.0309.24
5.2.160.0050.0309.24
5.2.150.0060.0319.25
5.2.140.0070.0319.24
5.2.130.0050.0409.20
5.2.120.0060.0369.20
5.2.110.0060.0309.21
5.2.100.0100.0259.20
5.2.90.0060.0309.21
5.2.80.0050.0329.20
5.2.70.0040.0339.20
5.2.60.0040.0329.16
5.2.50.0090.0279.13
5.2.40.0040.0309.11
5.2.30.0050.0319.08
5.2.20.0100.0269.07
5.2.10.0050.0298.97
5.2.00.0050.0298.83
5.1.60.0060.0288.12
5.1.50.0060.0258.11
5.1.40.0030.0288.10
5.1.30.0050.0278.45
5.1.20.0050.0288.47
5.1.10.0040.0288.20
5.1.00.0040.0278.20
5.0.50.0070.0286.68
5.0.40.0050.0196.54
5.0.30.0040.0316.35
5.0.20.0030.0216.32
5.0.10.0030.0226.30
5.0.00.0040.0316.29
4.4.90.0020.0174.78
4.4.80.0040.0154.75
4.4.70.0030.0164.75
4.4.60.0040.0164.75
4.4.50.0030.0164.77
4.4.40.0050.0294.71
4.4.30.0030.0234.75
4.4.20.0060.0154.85
4.4.10.0030.0174.85
4.4.00.0040.0254.76
4.3.110.0040.0164.67
4.3.100.0030.0174.66
4.3.90.0060.0134.64
4.3.80.0020.0274.58
4.3.70.0060.0214.63
4.3.60.0030.0174.62
4.3.50.0020.0194.63
4.3.40.0060.0304.54
4.3.30.0050.0213.34
4.3.20.0050.0193.32
4.3.10.0020.0183.28
4.3.00.0030.01715.90

preferences:
40.87 ms | 401 KiB | 5 Q