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"; $val = 0; for ($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, 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)
8.3.70.0040.01117.00
8.3.60.0110.00716.63
8.3.50.0130.00322.80
8.3.40.0120.00318.92
8.3.30.0070.00719.04
8.3.20.0040.00420.21
8.3.10.0060.00321.89
8.3.00.0000.00817.63
8.2.180.0170.00316.88
8.2.170.0040.01122.96
8.2.160.0100.00320.34
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00420.94
8.2.110.0100.00022.25
8.2.100.0090.00318.03
8.2.90.0050.00317.85
8.2.80.0050.00319.41
8.2.70.0080.00017.93
8.2.60.0040.00419.66
8.2.50.0040.00418.10
8.2.40.0060.00320.60
8.2.30.0040.00418.12
8.2.20.0060.00317.82
8.2.10.0000.00918.09
8.2.00.0000.00717.82
8.1.280.0120.00925.92
8.1.270.0000.00823.84
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0040.00423.92
8.1.230.0040.00821.03
8.1.220.0040.00417.74
8.1.210.0060.00618.77
8.1.200.0080.00017.35
8.1.190.0050.00317.35
8.1.180.0060.00318.10
8.1.170.0060.00318.59
8.1.160.0030.00322.21
8.1.150.0050.00218.94
8.1.140.0040.00417.39
8.1.130.0000.00717.89
8.1.120.0070.00017.39
8.1.110.0080.00017.38
8.1.100.0040.00417.38
8.1.90.0040.00417.50
8.1.80.0040.00417.52
8.1.70.0030.00617.36
8.1.60.0060.00317.57
8.1.50.0040.00417.60
8.1.40.0000.00817.59
8.1.30.0030.00617.68
8.1.20.0040.00417.53
8.1.10.0000.00817.49
8.1.00.0040.00417.51
8.0.300.0000.00720.04
8.0.290.0000.00716.75
8.0.280.0000.00718.52
8.0.270.0060.00317.35
8.0.260.0030.00517.25
8.0.250.0000.00716.96
8.0.240.0040.00417.06
8.0.230.0000.00816.92
8.0.220.0000.00716.85
8.0.210.0030.00317.02
8.0.200.0030.00317.00
8.0.190.0080.00016.95
8.0.180.0060.00316.92
8.0.170.0030.00616.90
8.0.160.0080.00016.87
8.0.150.0000.00716.97
8.0.140.0000.00816.86
8.0.130.0030.00313.39
8.0.120.0030.00616.91
8.0.110.0040.00416.96
8.0.100.0070.00017.10
8.0.90.0030.00317.01
8.0.80.0160.00617.04
8.0.70.0040.00416.96
8.0.60.0040.00416.86
8.0.50.0040.00416.94
8.0.30.0110.01017.26
8.0.20.0110.00817.40
8.0.10.0000.00717.09
8.0.00.0110.00616.95
7.4.330.0050.00015.16
7.4.320.0000.00816.48
7.4.300.0000.00616.54
7.4.290.0000.00716.54
7.4.280.0040.00416.54
7.4.270.0000.00716.53
7.4.260.0100.00016.51
7.4.250.0000.00816.62
7.4.240.0030.00316.56
7.4.230.0030.00316.44
7.4.220.0080.00916.73
7.4.210.0030.01316.70
7.4.200.0000.00716.52
7.4.160.0120.00316.60
7.4.150.0180.00017.40
7.4.140.0100.01017.86
7.4.130.0100.00816.51
7.4.120.0090.00716.62
7.4.110.0110.00616.45
7.4.100.0120.00616.45
7.4.90.0090.00916.65
7.4.80.0110.01419.39
7.4.70.0100.00616.54
7.4.60.0100.00716.41
7.4.50.0000.00716.66
7.4.40.0080.01216.75
7.4.30.0130.00316.63
7.4.10.0090.01216.42
7.4.00.0110.00215.78
7.3.330.0030.00313.45
7.3.320.0050.00013.23
7.3.310.0000.00716.46
7.3.300.0030.00316.34
7.3.290.0060.00916.45
7.3.280.0110.00416.45
7.3.270.0060.01017.40
7.3.260.0090.00916.36
7.3.250.0090.00816.43
7.3.240.0000.01716.46
7.3.230.0070.01016.39
7.3.210.0030.01416.34
7.3.200.0100.00719.39
7.3.190.0030.01316.45
7.3.180.0130.00316.66
7.3.170.0060.01516.58
7.3.160.0130.00316.56
7.3.130.0040.01216.57
7.3.120.0110.00716.38
7.3.110.0070.01316.41
7.3.100.0030.00916.48
7.3.90.0040.00716.47
7.3.80.0100.00316.52
7.3.70.0030.00716.24
7.3.60.0030.01316.34
7.3.50.0100.00316.24
7.3.40.0060.00616.28
7.3.30.0070.00716.59
7.3.20.0060.00618.27
7.3.10.0000.01218.29
7.3.00.0050.00518.14
7.2.330.0080.00816.82
7.2.320.0120.00316.71
7.2.310.0130.00316.73
7.2.300.0080.00816.45
7.2.290.0060.01116.82
7.2.260.0140.00716.53
7.2.250.0070.01416.78
7.2.240.0060.00916.77
7.2.230.0120.00016.67
7.2.220.0070.01316.66
7.2.210.0080.00416.71
7.2.200.0000.01516.68
7.2.190.0000.01116.62
7.2.180.0090.00616.67
7.2.170.0000.01516.62
7.2.160.0070.01016.68
7.2.150.0060.00918.29
7.2.140.0070.01118.45
7.2.130.0030.01018.58
7.2.120.0040.01118.52
7.2.110.0050.00518.55
7.2.100.0120.00318.44
7.2.90.0060.00918.39
7.2.80.0030.01118.52
7.2.70.0070.00318.50
7.2.60.0060.00618.38
7.2.50.0060.00618.28
7.2.40.0030.01018.40
7.2.30.0070.00318.51
7.2.20.0040.00718.51
7.2.10.0000.01218.48
7.2.00.0030.01018.79
7.1.330.0100.00317.52
7.1.320.0040.00817.36
7.1.310.0000.01417.34
7.1.300.0100.00317.54
7.1.290.0070.00717.37
7.1.280.0040.01117.30
7.1.270.0060.00617.43
7.1.260.0040.00417.41
7.1.250.0030.01017.36
7.1.240.0090.00617.43
7.1.230.0130.00317.28
7.1.220.0000.01017.43
7.1.210.0030.00717.45
7.1.200.0070.01017.52
7.1.190.0040.00817.29
7.1.180.0100.00317.39
7.1.170.0040.00717.18
7.1.160.0080.00517.44
7.1.150.0040.00417.34
7.1.140.0120.00317.38
7.1.130.0100.00717.20
7.1.120.0070.00717.48
7.1.110.0040.00817.35
7.1.100.0110.00816.70
7.1.90.0030.01017.32
7.1.80.0030.01417.38
7.1.70.0020.01117.25
7.1.60.0100.01018.37
7.1.50.0120.00717.32
7.1.40.0090.00917.41
7.1.30.0070.00717.29
7.1.20.0070.01017.37
7.1.10.0000.01117.41
7.1.00.0040.04419.97
7.0.330.0070.00716.97
7.0.320.0040.00717.27
7.0.310.0070.00717.10
7.0.300.0110.00417.01
7.0.290.0000.01317.17
7.0.280.0040.01217.18
7.0.270.0110.00417.01
7.0.260.0030.01017.13
7.0.250.0040.01117.19
7.0.240.0060.00617.11
7.0.230.0030.01417.03
7.0.220.0080.00817.02
7.0.210.0040.01116.87
7.0.200.0040.00616.86
7.0.190.0030.01016.99
7.0.180.0030.01617.00
7.0.170.0040.01117.09
7.0.160.0070.01117.11
7.0.150.0030.01016.97
7.0.140.0050.04119.50
7.0.130.0070.01116.81
7.0.120.0030.01316.99
7.0.110.0070.01117.01
7.0.100.0060.00816.93
7.0.90.0370.04818.56
7.0.80.0350.04218.50
7.0.70.0320.04318.50
7.0.60.0290.03918.37
7.0.50.0300.04518.72
7.0.40.0090.03217.52
7.0.30.0050.04617.55
7.0.20.0040.03417.45
7.0.10.0050.04917.47
7.0.00.0030.04817.49
5.6.400.0070.00716.34
5.6.390.0000.01115.82
5.6.380.0110.00316.22
5.6.370.0070.01016.15
5.6.360.0100.00316.11
5.6.350.0030.01016.13
5.6.340.0060.00615.95
5.6.330.0090.00915.96
5.6.320.0070.01015.93
5.6.310.0070.00716.04
5.6.300.0100.00616.19
5.6.290.0030.00816.34
5.6.280.0050.04318.54
5.6.270.0030.01316.09
5.6.260.0090.00616.33
5.6.250.0080.00616.02
5.6.240.0030.05118.45
5.6.230.0050.03318.36
5.6.220.0060.02618.26
5.6.210.0100.03718.23
5.6.200.0100.04518.46
5.6.190.0080.04318.66
5.6.180.0090.04018.53
5.6.170.0080.04518.56
5.6.160.0100.04518.52
5.6.150.0100.03918.56
5.6.140.0080.04518.48
5.6.130.0050.04318.46
5.6.120.0050.02918.37
5.6.110.0050.04518.54
5.6.100.0030.05018.50
5.6.90.0100.03818.49
5.6.80.0150.03718.21
5.6.70.0120.02718.26
5.6.60.0050.03218.11
5.6.50.0120.03517.97
5.6.40.0100.04218.21
5.6.30.0100.04118.21
5.6.20.0080.04618.16
5.6.10.0070.04318.21
5.6.00.0110.03818.08
5.5.380.0090.03118.21
5.5.370.0100.04318.19
5.5.360.0050.04318.16
5.5.350.0050.03118.29
5.5.340.0030.04518.50
5.5.330.0130.03718.47
5.5.320.0030.04518.34
5.5.310.0050.02818.30
5.5.300.0070.04918.46
5.5.290.0070.03218.39
5.5.280.0110.04218.46
5.5.270.0080.04718.46
5.5.260.0080.04718.52
5.5.250.0070.04618.28
5.5.240.0030.04018.05
5.5.230.0070.03017.88
5.5.220.0040.03117.98
5.5.210.0070.04318.07
5.5.200.0070.04217.99
5.5.190.0050.05017.99
5.5.180.0100.02618.11
5.5.170.0100.00016.03
5.5.160.0060.03518.09
5.5.150.0030.04018.04
5.5.140.0070.03517.99
5.5.130.0070.03817.88
5.5.120.0060.03318.12
5.5.110.0070.04118.11
5.5.100.0070.03718.04
5.5.90.0060.04017.95
5.5.80.0080.03217.96
5.5.70.0100.03617.93
5.5.60.0050.04917.98
5.5.50.0060.02518.03
5.5.40.0070.04217.99
5.5.30.0080.03817.93
5.5.20.0100.04018.02
5.5.10.0080.04318.04
5.5.00.0120.02417.88
5.4.450.0030.03016.21
5.4.440.0030.04716.15
5.4.430.0100.03816.03
5.4.420.0120.04216.07
5.4.410.0070.02516.04
5.4.400.0010.04115.88
5.4.390.0030.03015.83
5.4.380.0070.04115.82
5.4.370.0080.02916.05
5.4.360.0100.03415.98
5.4.350.0060.02815.88
5.4.340.0170.03315.91
5.4.330.0070.00712.71
5.4.320.0010.04615.88
5.4.310.0090.03815.97
5.4.300.0110.03315.89
5.4.290.0040.03115.83
5.4.280.0050.03315.97
5.4.270.0080.02815.87
5.4.260.0100.03815.84
5.4.250.0080.03815.80
5.4.240.0050.02515.94
5.4.230.0020.05115.92
5.4.220.0080.04415.80
5.4.210.0050.02515.98
5.4.200.0030.02915.81
5.4.190.0100.04215.96
5.4.180.0020.04615.89
5.4.170.0100.04015.86
5.4.160.0070.03915.81
5.4.150.0100.03816.01
5.4.140.0070.04014.69
5.4.130.0050.02714.58
5.4.120.0050.03814.53
5.4.110.0040.04014.54
5.4.100.0020.03014.63
5.4.90.0060.02814.65
5.4.80.0080.02814.58
5.4.70.0100.03814.58
5.4.60.0070.02514.49
5.4.50.0050.04114.55
5.4.40.0020.03014.54
5.4.30.0080.02114.61
5.4.20.0040.03914.58
5.4.10.0030.04314.59
5.4.00.0080.03514.25
5.3.290.0070.04314.71
5.3.280.0030.06714.56
5.3.270.0070.07314.61
5.3.260.0130.07714.58
5.3.250.0100.07014.58
5.3.240.0070.07314.64
5.3.230.0170.06714.60
5.3.220.0070.05014.50
5.3.210.0130.06714.59
5.3.200.0100.07314.59
5.3.190.0170.07014.55
5.3.180.0030.07314.49
5.3.170.0130.04014.63
5.3.160.0100.07714.59
5.3.150.0170.06014.55
5.3.140.0070.07314.63
5.3.130.0000.04314.51
5.3.120.0100.07314.59
5.3.110.0100.06014.52
5.3.100.0100.07714.02
5.3.90.0070.07713.95
5.3.80.0130.06713.92
5.3.70.0100.06714.16
5.3.60.0130.06714.00
5.3.50.0100.07313.95
5.3.40.0070.06713.89
5.3.30.0100.06013.85
5.3.20.0170.04013.68
5.3.10.0170.03013.78
5.3.00.0030.03313.78
5.2.170.0100.05711.16
5.2.160.0030.04311.08
5.2.150.0000.04311.26
5.2.140.0030.03311.14
5.2.130.0030.05711.14
5.2.120.0070.04011.20
5.2.110.0030.05311.13
5.2.100.0030.02711.22
5.2.90.0030.05311.17
5.2.80.0000.04311.10
5.2.70.0070.06311.02
5.2.60.0000.03711.12
5.2.50.0030.03711.09
5.2.40.0100.06010.86
5.2.30.0130.05311.12
5.2.20.0030.04711.00
5.2.10.0030.06310.80
5.2.00.0030.06310.84
5.1.60.0000.05710.07
5.1.50.0000.05710.05
5.1.40.0070.05010.05
5.1.30.0100.02310.36
5.1.20.0000.03310.35
5.1.10.0000.05710.07
5.1.00.0030.05310.13
5.0.50.0030.0478.64
5.0.40.0070.0378.48
5.0.30.0030.0608.32
5.0.20.0030.0438.32
5.0.10.0070.0438.30
5.0.00.0100.0438.23
4.4.90.0070.0207.27
4.4.80.0030.0177.27
4.4.70.0030.0337.27
4.4.60.0000.0377.27
4.4.50.0000.0377.27
4.4.40.0070.0477.27
4.4.30.0000.0307.27
4.4.20.0030.0177.27
4.4.10.0000.0277.27
4.4.00.0030.0437.27
4.3.110.0030.0237.27
4.3.100.0000.0237.27
4.3.90.0070.0307.27
4.3.80.0070.0507.27
4.3.70.0000.0237.27
4.3.60.0030.0337.27
4.3.50.0000.0337.27
4.3.40.0030.0437.27
4.3.30.0000.0377.27
4.3.20.0030.0407.27
4.3.10.0000.0377.27
4.3.00.0000.0377.27

preferences:
50.82 ms | 401 KiB | 5 Q