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]] = $base; } echo print_r($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)
8.3.60.0040.01116.50
8.3.50.0120.00722.83
8.3.40.0140.00019.09
8.3.30.0110.00319.27
8.3.20.0040.00420.34
8.3.10.0040.00421.94
8.3.00.0030.00517.36
8.2.180.0160.00618.37
8.2.170.0090.00922.96
8.2.160.0050.00820.16
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0050.00321.08
8.2.110.0140.00322.05
8.2.100.0110.00018.16
8.2.90.0060.00319.40
8.2.80.0050.00317.97
8.2.70.0040.00417.75
8.2.60.0030.00518.16
8.2.50.0030.00618.07
8.2.40.0110.00018.18
8.2.30.0080.00018.15
8.2.20.0000.00717.76
8.2.10.0000.00918.07
8.2.00.0000.00817.77
8.1.280.0180.00325.92
8.1.270.0080.00023.84
8.1.260.0000.00926.35
8.1.250.0000.00728.09
8.1.240.0060.00323.91
8.1.230.0000.01119.09
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0100.00317.48
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0040.00421.95
8.1.150.0030.00518.90
8.1.140.0070.00017.43
8.1.130.0030.00317.84
8.1.120.0070.00017.43
8.1.110.0040.00417.43
8.1.100.0040.00417.37
8.1.90.0030.00517.45
8.1.80.0000.00717.44
8.1.70.0030.00617.49
8.1.60.0030.00617.66
8.1.50.0030.00517.47
8.1.40.0040.00417.45
8.1.30.0040.00417.66
8.1.20.0080.00017.70
8.1.10.0050.00317.62
8.1.00.0040.00417.58
8.0.300.0000.00818.77
8.0.290.0030.00616.75
8.0.280.0070.00018.47
8.0.270.0030.00617.27
8.0.260.0040.00417.28
8.0.250.0030.00317.04
8.0.240.0070.00016.98
8.0.230.0000.00717.06
8.0.220.0040.00416.97
8.0.210.0030.00316.91
8.0.200.0000.00716.88
8.0.190.0040.00417.06
8.0.180.0040.00417.01
8.0.170.0040.00416.91
8.0.160.0000.00716.81
8.0.150.0070.00017.00
8.0.140.0060.00316.92
8.0.130.0030.00313.31
8.0.120.0040.00416.95
8.0.110.0040.00417.01
8.0.100.0040.00416.98
8.0.90.0050.00216.88
8.0.80.0060.01616.92
8.0.70.0050.00216.88
8.0.60.0040.00416.81
8.0.50.0040.00416.77
8.0.30.0060.01317.19
8.0.20.0100.00917.42
8.0.10.0000.00717.08
8.0.00.0100.00716.79
7.4.330.0000.00515.07
7.4.320.0000.00616.67
7.4.300.0030.00316.68
7.4.290.0000.00716.52
7.4.280.0000.00716.65
7.4.270.0030.00416.53
7.4.260.0070.00316.54
7.4.250.0000.00816.51
7.4.240.0020.00516.54
7.4.230.0070.00016.33
7.4.220.0060.01216.48
7.4.210.0140.00316.64
7.4.200.0070.00016.71
7.4.160.0040.01216.61
7.4.150.0080.00917.40
7.4.140.0110.00617.86
7.4.130.0080.00916.59
7.4.120.0070.01016.60
7.4.110.0060.01216.68
7.4.100.0110.00616.38
7.4.90.0040.01416.64
7.4.80.0070.01119.39
7.4.70.0030.01416.60
7.4.60.0070.01016.49
7.4.50.0030.00316.52
7.4.40.0150.00816.65
7.4.30.0080.00816.75
7.4.00.0060.00915.03
7.3.330.0000.00613.39
7.3.320.0000.00513.41
7.3.310.0040.00416.45
7.3.300.0030.00316.32
7.3.290.0060.00916.40
7.3.280.0070.00916.43
7.3.270.0100.01017.40
7.3.260.0160.00316.67
7.3.250.0090.00816.52
7.3.240.0110.00616.55
7.3.230.0030.01316.39
7.3.210.0110.00616.59
7.3.200.0130.01019.39
7.3.190.0150.00616.51
7.3.180.0090.00616.60
7.3.170.0090.00616.38
7.3.160.0080.00816.55
7.3.10.0080.00316.67
7.3.00.0110.00316.67
7.2.330.0070.01016.78
7.2.320.0100.00716.84
7.2.310.0100.00616.81
7.2.300.0070.01116.85
7.2.290.0140.00316.59
7.2.130.0080.00616.98
7.2.120.0050.00516.80
7.2.110.0110.00416.81
7.2.100.0060.01016.85
7.2.90.0080.00516.81
7.2.80.0100.00717.09
7.2.70.0030.01116.92
7.2.60.0050.00816.91
7.2.50.0100.00516.96
7.2.40.0050.00916.88
7.2.30.0080.00816.82
7.2.20.0050.00716.98
7.2.10.0070.00816.75
7.2.00.0020.01017.62
7.1.250.0120.00315.67
7.1.200.0040.00715.76
7.1.100.0480.00616.29
7.1.70.0000.00817.09
7.1.60.0060.01919.40
7.1.50.0060.01817.11
7.1.00.0000.08022.38
7.0.200.0040.00416.91
7.0.140.0130.06722.10
7.0.90.0070.08019.97
7.0.80.0100.08019.86
7.0.70.0100.07719.92
7.0.60.0030.07319.97
7.0.50.0000.08720.42
7.0.40.0100.08020.04
7.0.30.0070.06020.08
7.0.20.0130.06020.03
7.0.10.0100.08320.13
7.0.00.0170.07320.12
5.6.280.0030.07720.89
5.6.240.0130.06320.58
5.6.230.0130.07320.54
5.6.220.0070.08020.53
5.6.210.0070.05320.57
5.6.200.0030.07321.05
5.6.190.0030.05321.09
5.6.180.0030.09020.95
5.6.170.0100.04721.12
5.6.160.0200.07721.11
5.6.150.0000.08721.02
5.6.140.0070.07021.04
5.6.130.0170.06321.06
5.6.120.0170.07720.98
5.6.110.0070.08721.02
5.6.100.0170.06021.04
5.6.90.0030.07721.06
5.6.80.0170.07020.50
5.6.70.0170.07320.39
5.6.60.0030.05720.38
5.6.50.0130.07020.40
5.6.40.0070.05320.40
5.6.30.0130.07320.50
5.6.20.0030.04020.32
5.6.10.0000.04320.33
5.6.00.0070.03720.41
5.5.380.0070.08320.39
5.5.370.0170.07020.36
5.5.360.0070.07720.51
5.5.350.0100.09020.45
5.5.340.0070.08320.81
5.5.330.0300.06320.77
5.5.320.0100.06720.90
5.5.310.0100.08320.84
5.5.300.0130.03720.93
5.5.290.0130.08020.87
5.5.280.0200.07020.89
5.5.270.0030.05020.76
5.5.260.0200.06320.90
5.5.250.0170.06020.70
5.5.240.0130.07320.13
5.5.230.0030.08320.16
5.5.220.0000.06320.11
5.5.210.0070.08320.21
5.5.200.0000.05320.09
5.5.190.0070.07720.27
5.5.180.0100.08320.25
5.5.160.0030.04320.14
5.5.150.0030.08320.27
5.5.140.0030.08720.18
5.5.130.0130.07320.23
5.5.120.0100.06320.26
5.5.110.0070.08020.22
5.5.100.0130.07019.99
5.5.90.0070.05020.08
5.5.80.0100.04320.05
5.5.70.0100.06320.10
5.5.60.0270.05720.13
5.5.50.0100.07020.06
5.5.40.0070.06720.09
5.5.30.0030.05720.16
5.5.20.0170.06720.04
5.5.10.0070.05320.02
5.5.00.0130.04720.04
5.4.450.0070.08019.42
5.4.440.0130.07019.45
5.4.430.0100.07019.35
5.4.420.0100.05019.17
5.4.410.0030.07719.14
5.4.400.0070.08019.14
5.4.390.0070.07319.13
5.4.380.0030.08319.16
5.4.370.0030.07719.05
5.4.360.0070.08019.04
5.4.350.0170.06319.14
5.4.340.0100.04319.16
5.4.320.0070.05719.18
5.4.310.0070.08019.14
5.4.300.0100.07019.16
5.4.290.0070.07718.90
5.4.280.0070.07019.06
5.4.270.0100.04319.04
5.4.260.0130.06718.84
5.4.250.0130.07019.13
5.4.240.0030.04019.13
5.4.230.0100.06319.17
5.4.220.0030.08019.13
5.4.210.0070.04719.17
5.4.200.0170.03319.12
5.4.190.0030.07719.03
5.4.180.0030.07718.84
5.4.170.0170.07319.04
5.4.160.0070.07719.02
5.4.150.0030.08319.14
5.4.140.0100.07716.34
5.4.130.0100.04716.46
5.4.120.0070.07316.46
5.4.110.0070.07016.48
5.4.100.0070.05316.56
5.4.90.0070.07016.34
5.4.80.0170.06716.43
5.4.70.0100.06716.51
5.4.60.0100.07016.41
5.4.50.0100.06016.48
5.4.40.0100.04316.42
5.4.30.0100.07316.46
5.4.20.0000.08016.48
5.4.10.0030.07716.45
5.4.00.0030.06315.82
5.3.290.0070.08314.69
5.3.280.0030.08014.66
5.3.270.0030.07714.59
5.3.260.0100.05014.71
5.3.250.0100.07714.72
5.3.240.0030.07714.72
5.3.230.0000.08014.71
5.3.220.0130.04714.67
5.3.210.0000.08314.64
5.3.200.0030.07714.56
5.3.190.0130.07014.58
5.3.180.0030.08314.60
5.3.170.0070.07014.60
5.3.160.0100.07714.61
5.3.150.0100.05314.50
5.3.140.0100.07014.70
5.3.130.0130.06714.49
5.3.120.0070.07314.51
5.3.110.0030.08314.70
5.3.100.0130.06714.03
5.3.90.0070.06014.09
5.3.80.0030.08014.04
5.3.70.0100.05314.07
5.3.60.0130.06714.15
5.3.50.0100.07313.86
5.3.40.0070.05313.98
5.3.30.0070.04313.98
5.3.20.0070.05713.77
5.3.10.0030.04313.80
5.3.00.0030.05713.70
5.2.170.0000.06711.14
5.2.160.0100.05711.20
5.2.150.0000.03311.14
5.2.140.0030.05711.17
5.2.130.0070.05011.12
5.2.120.0030.04011.12
5.2.110.0070.06710.99
5.2.100.0100.05311.04
5.2.90.0100.05311.10
5.2.80.0100.04311.21
5.2.70.0100.04310.96
5.2.60.0000.06311.07
5.2.50.0070.06710.89
5.2.40.0070.04311.11
5.2.30.0070.06011.04
5.2.20.0030.06010.98
5.2.10.0070.04710.88
5.2.00.0000.04010.78
5.1.60.0000.05710.09
5.1.50.0070.04310.00
5.1.40.0030.0579.97
5.1.30.0070.06010.39
5.1.20.0070.05310.29
5.1.10.0170.04310.16
5.1.00.0030.0579.98
5.0.50.0030.0409.72
5.0.40.0030.0379.72
5.0.30.0030.0639.72
5.0.20.0000.0309.72
5.0.10.0030.0339.72
5.0.00.0030.0579.72
4.4.90.0070.0309.72
4.4.80.0070.0309.72
4.4.70.0000.0309.72
4.4.60.0000.0309.72
4.4.50.0070.0379.72
4.4.40.0030.0509.72
4.4.30.0030.0339.72
4.4.20.0000.0409.72
4.4.10.0030.0279.72
4.4.00.0070.0479.72
4.3.110.0030.0239.72
4.3.100.0030.0379.72
4.3.90.0030.0339.72
4.3.80.0030.0539.72
4.3.70.0000.0279.72
4.3.60.0030.0279.72
4.3.50.0030.0179.72
4.3.40.0100.0439.72
4.3.30.0000.0379.72
4.3.20.0000.0379.72
4.3.10.0000.0339.72
4.3.00.0000.0379.72

preferences:
41.65 ms | 400 KiB | 5 Q