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"; $val = 0; echo print_r($str, false) . "\n"; 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)
8.3.60.0140.00416.88
8.3.50.0120.00722.95
8.3.40.0140.00319.01
8.3.30.0040.01119.10
8.3.20.0040.00420.16
8.3.10.0050.00221.94
8.3.00.0040.00419.38
8.2.180.0070.01017.00
8.2.170.0090.00622.96
8.2.160.0100.00320.29
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00421.04
8.2.110.0090.00022.11
8.2.100.0040.00818.22
8.2.90.0030.00519.20
8.2.80.0090.00017.97
8.2.70.0000.00817.75
8.2.60.0090.00017.93
8.2.50.0060.00318.07
8.2.40.0070.00318.28
8.2.30.0070.00018.13
8.2.20.0040.00417.70
8.2.10.0000.00818.14
8.2.00.0050.00317.96
8.1.280.0110.00725.92
8.1.270.0000.00824.01
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00823.79
8.1.230.0000.01119.10
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0000.01217.47
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0030.00518.49
8.1.160.0000.00722.09
8.1.150.0030.00518.83
8.1.140.0040.00417.45
8.1.130.0040.00417.73
8.1.120.0070.00017.52
8.1.110.0000.00717.54
8.1.100.0070.00017.48
8.1.90.0040.00417.48
8.1.80.0040.00417.48
8.1.70.0060.00317.47
8.1.60.0080.00017.48
8.1.50.0050.00317.57
8.1.40.0060.00317.59
8.1.30.0090.00017.51
8.1.20.0060.00317.60
8.1.10.0000.00817.60
8.1.00.0000.00817.47
8.0.300.0040.00418.77
8.0.290.0000.00717.00
8.0.280.0000.00718.39
8.0.270.0000.00917.37
8.0.260.0000.00917.30
8.0.250.0070.00017.05
8.0.240.0030.00317.02
8.0.230.0070.00017.00
8.0.220.0030.00417.02
8.0.210.0040.00416.93
8.0.200.0070.00017.04
8.0.190.0040.00417.08
8.0.180.0000.00817.02
8.0.170.0000.00817.04
8.0.160.0040.00417.11
8.0.150.0000.00716.84
8.0.140.0040.00416.84
8.0.130.0050.00013.36
8.0.120.0030.00516.96
8.0.110.0040.00416.99
8.0.100.0000.00716.98
8.0.90.0040.00416.82
8.0.80.0030.01317.00
8.0.70.0040.00417.04
8.0.60.0000.00717.06
8.0.50.0070.00016.93
8.0.30.0120.01317.24
8.0.20.0060.01317.40
8.0.10.0040.00416.99
8.0.00.0130.00516.94
7.4.330.0050.00015.20
7.4.320.0060.00016.58
7.4.300.0020.00516.60
7.4.290.0000.00816.63
7.4.280.0040.00416.43
7.4.270.0030.00316.56
7.4.260.0030.00616.50
7.4.250.0040.00416.56
7.4.240.0060.00116.51
7.4.230.0070.00016.38
7.4.220.0170.00916.73
7.4.210.0140.00316.53
7.4.200.0070.00016.70
7.4.160.0040.01216.68
7.4.150.0140.00717.40
7.4.140.0070.01117.86
7.4.130.0090.00716.60
7.4.120.0080.00916.67
7.4.110.0060.01116.45
7.4.100.0170.00316.47
7.4.90.0170.00316.62
7.4.80.0110.01119.39
7.4.70.0140.00316.72
7.4.60.0030.01916.48
7.4.50.0040.00416.61
7.4.40.0100.01016.61
7.4.30.0000.01516.61
7.4.10.0060.00614.80
7.4.00.0040.01114.84
7.3.330.0000.00613.38
7.3.320.0020.00213.46
7.3.310.0030.00316.49
7.3.300.0070.00016.45
7.3.290.0090.00616.34
7.3.280.0040.01316.38
7.3.270.0090.00917.40
7.3.260.0060.01016.61
7.3.250.0080.00916.60
7.3.240.0030.01316.52
7.3.230.0130.00416.58
7.3.210.0040.01416.67
7.3.200.0150.00319.39
7.3.190.0090.00916.65
7.3.180.0060.00916.52
7.3.170.0120.00316.55
7.3.160.0060.00916.56
7.3.130.0040.01514.68
7.3.120.0070.01014.91
7.3.110.0060.01014.89
7.3.100.0100.00614.85
7.3.90.0080.00714.99
7.3.80.0100.00314.87
7.3.70.0060.00814.86
7.3.60.0080.00614.92
7.3.50.0050.00914.80
7.3.40.0050.00614.97
7.3.30.0050.01214.79
7.3.20.0100.00516.54
7.3.10.0070.00916.71
7.3.00.0080.00616.57
7.2.330.0070.01016.59
7.2.320.0070.01016.81
7.2.310.0080.00816.50
7.2.300.0100.01316.82
7.2.290.0060.01216.69
7.2.260.0000.01914.87
7.2.250.0130.00315.07
7.2.240.0050.01015.07
7.2.230.0070.01015.14
7.2.220.0060.00814.90
7.2.210.0050.01014.94
7.2.200.0060.00815.03
7.2.190.0090.00515.00
7.2.180.0050.01015.17
7.2.170.0050.00815.03
7.2.160.0070.00715.07
7.2.150.0050.01016.95
7.2.140.0060.01116.82
7.2.130.0080.00616.84
7.2.120.0080.00616.97
7.2.110.0090.00716.85
7.2.100.0050.01016.91
7.2.90.0050.01016.89
7.2.80.0020.01217.00
7.2.70.0050.00816.87
7.2.60.0090.00616.98
7.2.50.0050.00516.93
7.2.40.0060.00616.91
7.2.30.0090.00217.05
7.2.20.0110.00516.90
7.2.10.0060.00716.94
7.2.00.0010.01116.75
7.1.330.0050.00915.62
7.1.320.0060.00815.68
7.1.310.0020.01415.70
7.1.300.0050.00815.61
7.1.290.0070.00615.64
7.1.280.0080.00715.86
7.1.270.0010.01115.78
7.1.260.0080.00915.73
7.1.250.0050.01015.93
7.1.240.0060.00915.82
7.1.230.0030.00616.01
7.1.220.0000.00915.53
7.1.210.0110.00415.78
7.1.200.0070.01015.86
7.1.190.0100.00315.76
7.1.180.0040.00715.89
7.1.170.0040.00715.82
7.1.160.0100.00315.60
7.1.150.0030.00915.57
7.1.140.0070.00716.00
7.1.130.0040.00715.67
7.1.120.0030.00715.74
7.1.110.0090.00315.96
7.1.100.0030.00716.88
7.1.90.0090.00615.73
7.1.80.0060.00615.79
7.1.70.0070.00216.53
7.1.60.0050.01217.49
7.1.50.0100.01016.53
7.1.40.0030.00615.89
7.1.30.0080.00415.72
7.1.20.0030.00815.93
7.1.10.0030.00515.76
7.1.00.0050.04219.19
7.0.330.0030.00515.64
7.0.320.0060.00615.38
7.0.310.0100.00315.23
7.0.300.0040.00415.24
7.0.290.0090.00615.44
7.0.280.0110.00015.57
7.0.270.0000.01715.30
7.0.260.0000.01115.63
7.0.250.0040.00715.47
7.0.240.0090.00315.54
7.0.230.0040.01115.50
7.0.220.0060.01015.63
7.0.210.0030.00515.43
7.0.200.0000.01116.18
7.0.190.0070.00715.16
7.0.180.0040.00415.11
7.0.170.0030.00915.24
7.0.160.0000.01415.55
7.0.150.0070.00715.45
7.0.140.0030.04118.78
7.0.130.0040.00715.49
7.0.120.0080.00615.21
7.0.110.0080.00615.40
7.0.100.0030.01015.37
7.0.90.0080.00415.34
7.0.80.0060.04318.59
7.0.70.0030.04418.70
7.0.60.0080.03918.58
7.0.50.0050.04518.80
7.0.40.0080.04216.81
7.0.30.0060.02816.73
7.0.20.0050.04316.74
7.0.10.0020.04516.83
7.0.00.0050.04516.76
5.6.400.0000.01514.24
5.6.390.0030.01314.52
5.6.380.0080.00014.32
5.6.370.0090.00314.37
5.6.360.0070.01014.66
5.6.350.0070.00314.54
5.6.340.0140.00014.33
5.6.330.0040.00813.95
5.6.320.0090.00414.45
5.6.310.0060.00614.68
5.6.300.0030.00714.61
5.6.290.0050.00514.35
5.6.280.0070.03517.76
5.6.270.0000.01414.47
5.6.260.0030.01214.42
5.6.250.0130.00014.66
5.6.240.0030.00714.21
5.6.230.0070.04217.66
5.6.220.0040.04717.44
5.6.210.0070.04717.56
5.6.200.0020.03017.80
5.6.190.0060.02417.81
5.6.180.0020.04517.70
5.6.170.0080.02517.83
5.6.160.0020.03017.74
5.6.150.0050.05217.77
5.6.140.0050.02817.74
5.6.130.0060.02317.67
5.6.120.0080.03617.74
5.6.110.0050.04317.77
5.6.100.0060.04017.77
5.6.90.0070.03317.75
5.6.80.0070.03017.36
5.6.70.0040.04117.41
5.6.60.0020.03117.60
5.6.50.0090.03917.41
5.6.40.0020.03517.19
5.6.30.0090.04117.36
5.6.20.0050.04817.38
5.6.10.0030.04317.44
5.6.00.0050.04617.36
5.5.380.0040.00814.44
5.5.370.0100.04217.25
5.5.360.0090.04217.41
5.5.350.0030.04517.53
5.5.340.0020.03117.72
5.5.330.0100.04217.73
5.5.320.0050.03817.61
5.5.310.0050.04017.75
5.5.300.0050.02517.74
5.5.290.0060.02517.46
5.5.280.0020.03717.67
5.5.270.0040.04917.65
5.5.260.0090.03717.74
5.5.250.0070.02317.56
5.5.240.0070.03817.25
5.5.230.0070.02417.31
5.5.220.0030.04617.21
5.5.210.0050.04417.33
5.5.200.0030.04217.28
5.5.190.0100.04417.36
5.5.180.0090.03517.31
5.5.170.0040.00813.99
5.5.160.0000.04317.34
5.5.150.0020.02817.25
5.5.140.0050.02417.22
5.5.130.0080.03117.23
5.5.120.0030.02217.24
5.5.110.0060.02017.30
5.5.100.0070.02817.25
5.5.90.0030.02317.06
5.5.80.0050.03917.15
5.5.70.0020.02717.29
5.5.60.0000.02717.34
5.5.50.0030.04717.12
5.5.40.0070.02517.21
5.5.30.0030.03717.11
5.5.20.0030.03517.13
5.5.10.0020.02717.07
5.5.00.0030.04717.00
5.4.450.0040.04815.28
5.4.440.0070.04015.44
5.4.430.0020.04515.44
5.4.420.0080.04015.29
5.4.410.0110.03815.30
5.4.400.0050.04015.11
5.4.390.0030.04015.38
5.4.380.0080.03715.10
5.4.370.0000.03815.20
5.4.360.0050.03015.13
5.4.350.0040.04215.05
5.4.340.0050.03715.23
5.4.330.0030.01011.18
5.4.320.0020.04114.98
5.4.310.0020.02415.19
5.4.300.0040.03015.14
5.4.290.0060.02215.13
5.4.280.0060.02215.07
5.4.270.0020.02514.94
5.4.260.0080.01815.19
5.4.250.0010.02315.21
5.4.240.0010.02415.09
5.4.230.0070.01814.90
5.4.220.0020.02515.05
5.4.210.0000.02115.26
5.4.200.0050.03015.03
5.4.190.0030.02215.02
5.4.180.0020.02215.08
5.4.170.0030.01815.08
5.4.160.0030.04014.98
5.4.150.0050.01515.18
5.4.140.0040.01913.83
5.4.130.0000.03613.81
5.4.120.0020.01913.84
5.4.110.0000.02213.65
5.4.100.0050.01813.82
5.4.90.0030.01913.81
5.4.80.0050.02513.78
5.4.70.0000.02413.89
5.4.60.0050.01813.82
5.4.50.0000.02013.68
5.4.40.0060.01813.94
5.4.30.0010.02113.81
5.4.20.0050.02813.72
5.4.10.0030.01813.82
5.4.00.0020.02713.34
5.3.290.0030.06714.64
5.3.280.0000.03714.67
5.3.270.0000.03714.60
5.3.260.0000.07014.75
5.3.250.0000.04014.71
5.3.240.0070.03714.75
5.3.230.0000.05714.54
5.3.220.0000.04014.53
5.3.210.0070.03014.55
5.3.200.0030.03314.57
5.3.190.0030.03314.61
5.3.180.0030.07314.53
5.3.170.0030.03014.60
5.3.160.0030.04714.56
5.3.150.0000.04014.69
5.3.140.0000.03014.71
5.3.130.0030.03314.52
5.3.120.0030.03314.70
5.3.110.0000.03314.66
5.3.100.0000.06314.12
5.3.90.0000.03014.09
5.3.80.0070.06014.01
5.3.70.0000.03014.05
5.3.60.0000.03014.00
5.3.50.0000.03714.05
5.3.40.0000.05013.89
5.3.30.0030.03713.86
5.3.20.0000.04013.64
5.3.10.0030.03013.55
5.3.00.0000.03713.70
5.2.170.0000.02712.83
5.2.160.0000.04012.83
5.2.150.0000.03712.83
5.2.140.0030.03712.83
5.2.130.0000.05712.83
5.2.120.0000.03012.83
5.2.110.0000.02712.83
5.2.100.0030.02712.83
5.2.90.0000.02712.83
5.2.80.0000.03012.83
5.2.70.0030.05312.83
5.2.60.0030.04712.83
5.2.50.0030.06012.83
5.2.40.0000.05312.83
5.2.30.0100.06012.83
5.2.20.0000.05312.83
5.2.10.0030.05312.83
5.2.00.0030.06312.83
5.1.60.0070.04012.83
5.1.50.0030.04712.83
5.1.40.0000.06012.83
5.1.30.0000.05712.83
5.1.20.0000.06012.83
5.1.10.0070.05312.83
5.1.00.0000.05712.83
5.0.50.0000.04712.83
5.0.40.0000.03712.83
5.0.30.0000.06312.83
5.0.20.0030.03012.83
5.0.10.0000.04312.83
5.0.00.0030.06312.83
4.4.90.0030.02712.83
4.4.80.0070.02712.83
4.4.70.0000.03712.83
4.4.60.0030.03312.83
4.4.50.0000.03712.83
4.4.40.0000.03312.83
4.4.30.0030.03312.83
4.4.20.0030.03012.83
4.4.10.0000.03312.83
4.4.00.0000.05312.83
4.3.110.0000.03712.83
4.3.100.0000.03712.83
4.3.90.0000.02312.83
4.3.80.0000.05012.83
4.3.70.0000.03712.83
4.3.60.0100.02312.83
4.3.50.0030.02712.83
4.3.40.0030.05012.83
4.3.30.0000.03712.83
4.3.20.0000.03012.83
4.3.10.0030.03312.83
4.3.00.0070.03012.83

preferences:
42.5 ms | 401 KiB | 5 Q