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"; 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)
8.3.70.0070.00716.61
8.3.60.0060.00916.88
8.3.50.0080.00822.76
8.3.40.0070.00718.71
8.3.30.0110.00419.04
8.3.20.0080.00020.16
8.3.10.0070.00021.86
8.3.00.0080.00019.50
8.2.180.0130.01316.50
8.2.170.0170.00322.96
8.2.160.0070.00720.34
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00521.09
8.2.110.0000.00921.98
8.2.100.0100.00317.72
8.2.90.0040.00419.38
8.2.80.0040.00417.97
8.2.70.0040.00417.59
8.2.60.0040.00717.80
8.2.50.0060.00318.07
8.2.40.0000.01018.03
8.2.30.0030.00618.14
8.2.20.0000.00817.72
8.2.10.0000.00818.06
8.2.00.0030.00717.93
8.1.280.0110.00725.92
8.1.270.0080.00023.84
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.79
8.1.230.0000.01118.97
8.1.220.0040.00417.79
8.1.210.0080.00018.77
8.1.200.0100.00017.35
8.1.190.0040.00417.36
8.1.180.0000.00818.10
8.1.170.0050.00318.50
8.1.160.0070.00022.04
8.1.150.0030.00518.90
8.1.140.0030.00617.34
8.1.130.0030.00317.86
8.1.120.0040.00417.54
8.1.110.0030.00517.48
8.1.100.0040.00417.39
8.1.90.0070.00017.41
8.1.80.0000.00717.39
8.1.70.0060.00317.46
8.1.60.0040.00417.61
8.1.50.0000.00817.59
8.1.40.0050.00317.50
8.1.30.0060.00317.67
8.1.20.0060.00317.72
8.1.10.0090.00017.53
8.1.00.0000.00817.58
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0080.00018.48
8.0.270.0040.00417.29
8.0.260.0080.00017.25
8.0.250.0000.00717.07
8.0.240.0030.00317.01
8.0.230.0070.00016.93
8.0.220.0040.00416.97
8.0.210.0000.00716.97
8.0.200.0030.00316.96
8.0.190.0040.00417.02
8.0.180.0040.00416.98
8.0.170.0000.00916.93
8.0.160.0000.00817.03
8.0.150.0070.00016.92
8.0.140.0040.00417.00
8.0.130.0030.00313.40
8.0.120.0000.00816.83
8.0.110.0040.00416.89
8.0.100.0000.00716.97
8.0.90.0070.00016.95
8.0.80.0070.01017.03
8.0.70.0000.00817.03
8.0.60.0000.00817.02
8.0.50.0030.00517.05
8.0.30.0070.01617.25
8.0.20.0090.00817.40
8.0.10.0030.00316.97
8.0.00.0190.01416.90
7.4.330.0000.00515.00
7.4.320.0050.00316.54
7.4.300.0030.00316.68
7.4.290.0070.00016.46
7.4.280.0000.00716.51
7.4.270.0030.00316.48
7.4.260.0000.00916.63
7.4.250.0040.00416.43
7.4.240.0040.00316.48
7.4.230.0030.00316.43
7.4.220.0090.00916.59
7.4.210.0030.01416.74
7.4.200.0000.00716.63
7.4.160.0100.00616.62
7.4.150.0030.01317.40
7.4.140.0100.00817.86
7.4.130.0070.01016.49
7.4.120.0090.00816.67
7.4.110.0110.00616.65
7.4.100.0120.00916.55
7.4.90.0120.00916.46
7.4.80.0040.01419.39
7.4.70.0130.00316.62
7.4.60.0100.01216.61
7.4.50.0040.00416.29
7.4.40.0150.00616.36
7.4.30.0090.00616.59
7.4.00.0070.00715.13
7.3.330.0020.00213.36
7.3.320.0050.00013.24
7.3.310.0000.00816.30
7.3.300.0000.00716.45
7.3.290.0090.00616.42
7.3.280.0100.00616.39
7.3.270.0080.01117.40
7.3.260.0150.00316.62
7.3.250.0100.00716.42
7.3.240.0140.00316.64
7.3.230.0130.00316.59
7.3.210.0100.01016.34
7.3.200.0120.00619.39
7.3.190.0060.01316.64
7.3.180.0220.00316.38
7.3.170.0030.01316.69
7.3.160.0060.01016.57
7.3.120.0040.01115.05
7.3.110.0100.00714.88
7.3.100.0030.00815.08
7.3.90.0070.01014.96
7.3.80.0030.00715.01
7.3.70.0060.00914.84
7.3.60.0030.00914.95
7.3.50.0070.00414.89
7.3.40.0070.01014.63
7.3.30.0050.00814.95
7.3.20.0090.00616.59
7.3.10.0050.00916.71
7.3.00.0080.00816.57
7.2.330.0070.01016.83
7.2.320.0030.01316.82
7.2.310.0000.01616.83
7.2.300.0100.00516.83
7.2.290.0030.01416.76
7.2.250.0100.01015.25
7.2.240.0060.01315.05
7.2.230.0090.00915.32
7.2.220.0080.00815.25
7.2.210.0110.00715.28
7.2.200.0060.00915.23
7.2.190.0070.00715.02
7.2.180.0110.00815.01
7.2.170.0130.00614.96
7.2.130.0030.00617.02
7.2.120.0000.01417.03
7.2.110.0060.00616.86
7.2.100.0120.00316.99
7.2.90.0110.00316.84
7.2.80.0000.01716.88
7.2.70.0000.01516.82
7.2.60.0040.00816.94
7.2.50.0050.00816.97
7.2.40.0030.00716.89
7.2.30.0070.00316.78
7.2.20.0060.01016.87
7.2.10.0030.01316.84
7.2.00.0050.01018.18
7.1.330.0070.00715.94
7.1.320.0070.00315.82
7.1.310.0070.01115.87
7.1.300.0030.00615.57
7.1.290.0060.01015.92
7.1.280.0070.00715.64
7.1.270.0090.00315.80
7.1.260.0030.00615.73
7.1.250.0080.00515.81
7.1.240.0140.00315.67
7.1.230.0030.01315.80
7.1.220.0060.00615.73
7.1.210.0040.01115.77
7.1.200.0070.00315.68
7.1.190.0080.00815.74
7.1.180.0040.01115.84
7.1.170.0100.00715.60
7.1.160.0060.00915.75
7.1.150.0040.01115.91
7.1.140.0090.00015.85
7.1.130.0040.01115.51
7.1.120.0030.00715.73
7.1.110.0130.00315.96
7.1.100.0070.00716.78
7.1.90.0100.00315.73
7.1.80.0040.01115.86
7.1.70.0050.00516.51
7.1.60.0120.00717.63
7.1.50.0090.00916.53
7.1.40.0030.01315.91
7.1.30.0040.01115.68
7.1.20.0070.00715.75
7.1.10.0090.00615.82
7.1.00.0080.04019.05
7.0.330.0090.00315.39
7.0.320.0060.00615.29
7.0.310.0090.00315.43
7.0.300.0100.00315.37
7.0.290.0040.00915.16
7.0.280.0050.00515.54
7.0.270.0040.00415.52
7.0.260.0040.01115.18
7.0.250.0060.00315.28
7.0.240.0030.00515.42
7.0.230.0100.00315.54
7.0.220.0000.01215.21
7.0.210.0060.00315.24
7.0.200.0000.00816.08
7.0.190.0080.00415.28
7.0.180.0030.00515.50
7.0.170.0070.00715.58
7.0.160.0100.00715.35
7.0.150.0070.00715.17
7.0.140.0100.03718.65
7.0.130.0090.00015.43
7.0.120.0110.00315.51
7.0.110.0030.00515.52
7.0.100.0000.00915.38
7.0.90.0150.03017.72
7.0.80.0110.04117.71
7.0.70.0170.04417.73
7.0.60.0210.02817.75
7.0.50.0250.04717.91
7.0.40.0050.02216.76
7.0.30.0050.05216.78
7.0.20.0070.04516.64
7.0.10.0120.03716.78
7.0.00.0030.03516.78
5.6.380.0090.00614.59
5.6.370.0090.00914.65
5.6.360.0060.00614.22
5.6.350.0060.00314.23
5.6.340.0150.00014.49
5.6.330.0110.00414.38
5.6.320.0000.01514.15
5.6.310.0100.00714.64
5.6.300.0030.00614.38
5.6.290.0030.00913.96
5.6.280.0050.03817.64
5.6.270.0040.00714.25
5.6.260.0000.01414.27
5.6.250.0040.00813.98
5.6.240.0050.02617.37
5.6.230.0050.02517.44
5.6.220.0090.04017.58
5.6.210.0100.04017.50
5.6.200.0030.04917.63
5.6.190.0050.03217.69
5.6.180.0120.03517.70
5.6.170.0040.04517.63
5.6.160.0050.02517.58
5.6.150.0070.04317.78
5.6.140.0050.04817.78
5.6.130.0120.02717.54
5.6.120.0060.04517.74
5.6.110.0070.02817.64
5.6.100.0020.05117.73
5.6.90.0040.04717.65
5.6.80.0050.04217.28
5.6.70.0050.04117.49
5.6.60.0050.04517.44
5.6.50.0030.04417.39
5.6.40.0070.02317.30
5.6.30.0090.03717.38
5.6.20.0090.03717.31
5.6.10.0120.03817.30
5.6.00.0050.03617.39
5.5.380.0080.03515.82
5.5.370.0050.03915.76
5.5.360.0070.03415.90
5.5.350.0070.03216.05
5.5.340.0030.04016.04
5.5.330.0060.02116.09
5.5.320.0120.03616.19
5.5.310.0060.02716.12
5.5.300.0030.03115.85
5.5.290.0100.04116.04
5.5.280.0050.04816.02
5.5.270.0030.04516.01
5.5.260.0080.04315.99
5.5.250.0070.04115.88
5.5.240.0100.04115.71
5.5.230.0070.04715.77
5.5.220.0080.03515.54
5.5.210.0070.02715.61
5.5.200.0050.04415.54
5.5.190.0050.04515.65
5.5.180.0070.04015.76
5.5.170.0030.00711.13
5.5.160.0030.04815.64
5.5.150.0020.03515.82
5.5.140.0050.04015.84
5.5.130.0150.01715.68
5.5.120.0030.02815.77
5.5.110.0050.02615.77
5.5.100.0060.03615.53
5.5.90.0070.04515.64
5.5.80.0060.04015.63
5.5.70.0060.02115.61
5.5.60.0020.04615.64
5.5.50.0020.02715.50
5.5.40.0000.02515.68
5.5.30.0050.03515.69
5.5.20.0010.03115.56
5.5.10.0070.03715.55
5.5.00.0020.02315.54
5.4.450.0100.03215.14
5.4.440.0050.03915.20
5.4.430.0070.03215.29
5.4.420.0040.04315.30
5.4.410.0050.02715.38
5.4.400.0070.04115.08
5.4.390.0080.03714.98
5.4.380.0070.04415.23
5.4.370.0070.02515.00
5.4.360.0050.04515.08
5.4.350.0020.04415.14
5.4.340.0030.04215.22
5.4.330.0000.01011.22
5.4.320.0070.04215.10
5.4.310.0050.02815.02
5.4.300.0030.02815.14
5.4.290.0070.04014.99
5.4.280.0030.04315.12
5.4.270.0070.02015.12
5.4.260.0080.03815.05
5.4.250.0030.02615.13
5.4.240.0070.03615.08
5.4.230.0030.02814.96
5.4.220.0030.02515.04
5.4.210.0050.02615.09
5.4.200.0060.03615.07
5.4.190.0020.02515.07
5.4.180.0090.03515.08
5.4.170.0020.03114.91
5.4.160.0000.04415.20
5.4.150.0080.01615.06
5.4.140.0050.01813.59
5.4.130.0080.01513.86
5.4.120.0050.03613.79
5.4.110.0000.02213.77
5.4.100.0100.02513.77
5.4.90.0050.04013.90
5.4.80.0080.02113.66
5.4.70.0050.03513.88
5.4.60.0050.03313.74
5.4.50.0070.04013.67
5.4.40.0030.02413.74
5.4.30.0030.02713.72
5.4.20.0030.03813.77
5.4.10.0070.03813.69
5.4.00.0000.03013.34
5.3.290.0100.03512.62
5.3.280.0080.03612.63
5.3.270.0030.02312.56
5.3.260.0030.03912.67
5.3.250.0080.03812.55
5.3.240.0030.01812.42
5.3.230.0060.03512.63
5.3.220.0050.04012.45
5.3.210.0050.03812.60
5.3.200.0030.02212.58
5.3.190.0080.02512.59
5.3.180.0060.03612.77
5.3.170.0060.02112.63
5.3.160.0030.02412.73
5.3.150.0070.04012.57
5.3.140.0080.02512.66
5.3.130.0020.02512.66
5.3.120.0070.02212.58
5.3.110.0080.04012.46
5.3.100.0070.04412.23
5.3.90.0110.02812.42
5.3.80.0030.03812.23
5.3.70.0020.04412.34
5.3.60.0030.02712.32
5.3.50.0020.03012.33
5.3.40.0050.03112.27
5.3.30.0030.03712.30
5.3.20.0030.03512.20
5.3.10.0070.02811.98
5.3.00.0050.02912.04
5.2.170.0050.03010.59
5.2.160.0050.01610.54
5.2.150.0020.02810.54
5.2.140.0020.03810.57
5.2.130.0020.02310.54
5.2.120.0030.02010.54
5.2.110.0030.03310.47
5.2.100.0030.02110.52
5.2.90.0040.02910.59
5.2.80.0050.03210.46
5.2.70.0080.01810.47
5.2.60.0030.02010.52
5.2.50.0110.02910.52
5.2.40.0060.02810.52
5.2.30.0110.02010.38
5.2.20.0070.02810.40
5.2.10.0020.02110.46
5.2.00.0030.02310.33
5.1.60.0050.02710.31
5.1.50.0090.02310.31
5.1.40.0070.02110.31
5.1.30.0090.01510.31
5.1.20.0050.02710.31
5.1.10.0020.03310.31
5.1.00.0030.02810.31
5.0.50.0020.01510.31
5.0.40.0040.02210.31
5.0.30.0020.03310.31
5.0.20.0050.02310.31
5.0.10.0020.02410.31
5.0.00.0070.03010.31
4.4.90.0020.00810.31
4.4.80.0020.01810.31
4.4.70.0020.01810.31
4.4.60.0020.02210.31
4.4.50.0000.01410.31
4.4.40.0020.01710.31
4.4.30.0030.01810.31
4.4.20.0070.01410.31
4.4.10.0000.01710.31
4.4.00.0000.03010.31
4.3.110.0020.02010.31
4.3.100.0030.02110.31
4.3.90.0050.01510.31
4.3.80.0070.02310.31
4.3.70.0040.01810.31
4.3.60.0000.01510.31
4.3.50.0020.01510.31
4.3.40.0020.02010.31
4.3.30.0030.02010.31
4.3.20.0000.02010.31
4.3.10.0030.01010.31
4.3.00.0020.02010.31

preferences:
39.05 ms | 401 KiB | 5 Q