3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { return base_convert($val, 10, 64); } function gdr_decode($val) { return base_convert($val, 64, 10); } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 4294967295, 4294967296); foreach ($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)
8.3.60.0200.00016.75
8.3.50.0120.00322.86
8.3.40.0100.01018.79
8.3.30.0120.00318.87
8.3.20.0070.00020.25
8.3.10.0050.00221.91
8.3.00.0000.00817.71
8.2.180.0120.00618.29
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0110.00426.16
8.2.120.0000.00821.01
8.2.110.0030.00622.07
8.2.100.0110.00417.66
8.2.90.0040.00417.91
8.2.80.0050.00317.97
8.2.70.0090.00017.63
8.2.60.0030.00618.04
8.2.50.0040.00418.07
8.2.40.0000.00818.03
8.2.30.0070.00018.14
8.2.20.0060.00317.77
8.2.10.0050.00218.01
8.2.00.0080.00017.82
8.1.280.0120.00325.92
8.1.270.0030.00623.83
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.48
8.1.230.0160.00020.82
8.1.220.0000.00817.79
8.1.210.0060.00318.98
8.1.200.0110.00017.35
8.1.190.0040.00417.36
8.1.180.0030.00618.10
8.1.170.0040.00418.43
8.1.160.0000.00721.94
8.1.150.0050.00318.77
8.1.140.0040.00417.36
8.1.130.0000.00717.77
8.1.120.0000.00717.54
8.1.110.0080.00017.51
8.1.100.0000.00717.49
8.1.90.0040.00417.51
8.1.80.0000.00817.37
8.1.70.0030.00717.34
8.1.60.0030.00617.49
8.1.50.0040.00417.58
8.1.40.0000.00717.55
8.1.30.0030.00617.69
8.1.20.0060.00317.69
8.1.10.0060.00317.52
8.1.00.0080.00017.58
8.0.300.0000.00719.91
8.0.290.0000.00716.88
8.0.280.0030.00318.47
8.0.270.0090.00017.31
8.0.260.0030.00717.20
8.0.250.0040.00416.95
8.0.240.0050.00316.97
8.0.230.0050.00216.88
8.0.220.0050.00316.84
8.0.210.0000.00717.00
8.0.200.0030.00317.01
8.0.190.0000.00717.00
8.0.180.0040.00417.08
8.0.170.0060.00316.87
8.0.160.0050.00216.96
8.0.150.0030.00316.88
8.0.140.0040.00416.92
8.0.130.0000.00613.39
8.0.120.0000.00816.86
8.0.110.0000.00716.95
8.0.100.0000.00816.96
8.0.90.0030.00317.03
8.0.80.0060.01616.89
8.0.70.0050.00216.99
8.0.60.0000.00816.98
8.0.50.0070.00017.04
8.0.30.0080.01217.09
8.0.20.0100.00817.41
8.0.10.0050.00217.07
8.0.00.0050.01316.80
7.4.330.0000.00615.05
7.4.320.0000.00816.51
7.4.300.0000.00716.56
7.4.290.0040.00416.59
7.4.280.0030.00616.41
7.4.270.0070.00016.54
7.4.260.0000.00916.50
7.4.250.0000.00716.41
7.4.240.0040.00416.54
7.4.230.0040.00416.52
7.4.220.0110.00716.73
7.4.210.0070.00716.66
7.4.200.0040.00416.68
7.4.160.0040.01316.41
7.4.150.0130.00617.40
7.4.140.0120.00917.86
7.4.130.0060.01216.68
7.4.120.0130.00416.69
7.4.110.0070.01016.67
7.4.100.0130.00916.59
7.4.90.0120.00616.61
7.4.80.0120.00619.39
7.4.70.0180.00416.59
7.4.60.0070.01016.38
7.4.50.0040.00416.52
7.4.40.0000.01716.61
7.4.30.0110.00716.71
7.4.00.0080.00815.11
7.3.330.0030.00313.21
7.3.320.0000.00513.24
7.3.310.0070.00016.19
7.3.300.0000.00716.29
7.3.290.0040.00416.38
7.3.280.0050.01116.36
7.3.270.0150.00317.40
7.3.260.0150.00316.41
7.3.250.0080.01216.55
7.3.240.0090.00916.48
7.3.230.0060.01316.59
7.3.210.0040.01416.42
7.3.200.0180.00019.39
7.3.190.0040.01416.41
7.3.180.0150.00916.66
7.3.170.0060.00916.65
7.3.160.0120.01216.55
7.3.120.0070.01014.92
7.3.110.0100.00715.14
7.3.100.0140.00015.08
7.3.90.0060.00614.91
7.3.80.0000.01214.88
7.3.70.0040.00814.60
7.3.60.0060.00614.91
7.3.50.0090.00314.75
7.3.40.0100.00314.50
7.3.30.0090.00614.67
7.3.20.0040.01116.63
7.3.10.0040.01516.48
7.3.00.0080.00416.65
7.2.330.0060.01216.73
7.2.320.0110.00516.75
7.2.310.0090.00916.77
7.2.300.0040.01316.66
7.2.290.0100.00616.76
7.2.250.0120.00615.10
7.2.240.0080.01114.80
7.2.230.0100.00715.34
7.2.220.0030.01415.18
7.2.210.0080.00614.95
7.2.200.0030.01015.07
7.2.190.0050.00815.16
7.2.180.0100.00314.92
7.2.170.0040.01115.05
7.2.00.0040.01119.14
7.1.330.0060.00815.90
7.1.320.0070.00715.96
7.1.310.0070.00715.74
7.1.300.0040.01115.98
7.1.290.0000.00915.86
7.1.280.0030.01215.76
7.1.270.0000.01515.89
7.1.260.0070.01115.61
7.1.100.0030.00918.34
7.1.70.0000.00917.30
7.1.60.0060.01819.40
7.1.50.0120.01217.02
7.1.00.0070.07322.31
7.0.200.0040.00416.44
7.0.140.0030.07022.05
7.0.90.0200.04320.15
7.0.80.0230.04319.94
7.0.70.0070.04019.98
7.0.60.0130.04019.98
7.0.50.0730.08020.34
7.0.40.0130.07019.95
7.0.30.0030.08020.05
7.0.20.0000.08720.17
7.0.10.0070.08320.12
7.0.00.0130.08020.03
5.6.280.0000.07720.93
5.6.240.0170.02720.55
5.6.230.0100.03720.64
5.6.220.0030.04020.50
5.6.210.0030.04020.69
5.6.200.0170.08021.18
5.6.190.0100.07721.05
5.6.180.0000.05021.04
5.6.170.0100.05020.96
5.6.160.0100.07321.11
5.6.150.0170.05021.14
5.6.140.0230.05721.02
5.6.130.0130.08021.12
5.6.120.0100.08021.04
5.6.110.0070.09021.01
5.6.100.0100.08021.03
5.6.90.0170.07721.07
5.6.80.0100.07720.37
5.6.70.0170.05320.56
5.6.60.0030.04720.33
5.6.50.0070.05020.41
5.6.40.0100.07720.30
5.6.30.0070.08320.46
5.6.20.0100.07320.37
5.6.10.0070.05720.50
5.6.00.0070.07320.43
5.5.380.0100.05720.38
5.5.370.0030.07320.42
5.5.360.0000.04720.51
5.5.350.0030.05320.48
5.5.340.0100.08020.93
5.5.330.0030.06020.65
5.5.320.0070.09020.83
5.5.310.0070.06020.83
5.5.300.0100.04020.89
5.5.290.0030.04720.88
5.5.280.0030.08320.80
5.5.270.0070.05020.75
5.5.260.0200.07720.83
5.5.250.0100.04720.70
5.5.240.0070.04320.23
5.5.230.0070.04320.12
5.5.220.0030.08020.14
5.5.210.0130.03320.14
5.5.200.0130.07720.28
5.5.190.0100.07720.23
5.5.180.0070.07720.24
5.5.160.0070.06320.16
5.5.150.0100.07320.13
5.5.140.0070.08020.19
5.5.130.0230.05720.15
5.5.120.0070.05720.23
5.5.110.0000.06020.11
5.5.100.0030.08020.02
5.5.90.0100.07020.17
5.5.80.0230.06020.12
5.5.70.0130.08020.07
5.5.60.0100.06720.07
5.5.50.0030.07020.11
5.5.40.0170.07020.14
5.5.30.0030.05020.09
5.5.20.0030.08019.97
5.5.10.0070.08020.12
5.5.00.0130.07320.14
5.4.450.0000.05719.18
5.4.440.0070.05719.45
5.4.430.0130.05719.35
5.4.420.0130.06719.41
5.4.410.0070.04719.25
5.4.400.0170.06719.13
5.4.390.0100.06319.03
5.4.380.0100.05319.12
5.4.370.0030.04319.14
5.4.360.0070.06319.04
5.4.350.0030.06019.13
5.4.340.0100.07019.12
5.4.320.0100.07319.16
5.4.310.0170.06719.05
5.4.300.0030.08319.12
5.4.290.0070.07718.94
5.4.280.0130.07319.09
5.4.270.0100.08019.12
5.4.260.0130.04318.89
5.4.250.0100.07318.89
5.4.240.0100.06719.19
5.4.230.0170.07019.09
5.4.220.0070.07319.12
5.4.210.0070.07319.02
5.4.200.0070.07319.20
5.4.190.0100.07019.02
5.4.180.0070.07719.11
5.4.170.0070.04319.17
5.4.160.0070.07019.07
5.4.150.0070.04318.88
5.4.140.0030.07316.35
5.4.130.0170.06716.34
5.4.120.0100.07316.41
5.4.110.0070.05316.48
5.4.100.0100.05016.56
5.4.90.0130.04716.45
5.4.80.0100.07016.43
5.4.70.0100.07016.43
5.4.60.0100.06016.46
5.4.50.0130.06716.33
5.4.40.0100.07316.42
5.4.30.0100.05716.33
5.4.20.0170.06016.40
5.4.10.0030.05016.47
5.4.00.0070.06715.74
5.3.290.0000.08014.68
5.3.280.0030.08014.75
5.3.270.0100.07314.55
5.3.260.0100.07314.57
5.3.250.0030.08014.54
5.3.240.0030.07314.59
5.3.230.0030.05014.71
5.3.220.0100.04314.60
5.3.210.0070.04714.57
5.3.200.0170.03714.57
5.3.190.0000.08714.70
5.3.180.0200.06314.57
5.3.170.0030.06314.64
5.3.160.0100.07714.68
5.3.150.0070.07314.64
5.3.140.0030.07014.50
5.3.130.0030.06314.59
5.3.120.0200.06714.65
5.3.110.0130.07014.59
5.3.100.0000.04714.11
5.3.90.0100.07014.09
5.3.80.0030.06314.09
5.3.70.0070.04313.92
5.3.60.0030.08014.02
5.3.50.0070.06014.02
5.3.40.0100.05013.94
5.3.30.0070.06314.02
5.3.20.0070.07313.77
5.3.10.0030.07713.73
5.3.00.0070.07713.55
5.2.170.0170.04711.29
5.2.160.0070.05311.16
5.2.150.0030.04011.18
5.2.140.0030.06711.20
5.2.130.0030.06011.18
5.2.120.0030.04011.03
5.2.110.0070.05311.16
5.2.100.0030.03011.02
5.2.90.0000.07011.18
5.2.80.0070.04011.03
5.2.70.0030.06310.99
5.2.60.0030.06710.93
5.2.50.0030.06311.05
5.2.40.0070.06011.13
5.2.30.0070.06010.84
5.2.20.0070.05711.04
5.2.10.0100.05310.89
5.2.00.0070.06010.87
5.1.60.0100.03010.00
5.1.50.0070.0479.84
5.1.40.0030.05310.05
5.1.30.0070.04710.38
5.1.20.0030.05310.49
5.1.10.0030.04310.07
5.1.00.0000.05310.17
5.0.50.0070.0408.60
5.0.40.0000.0478.52
5.0.30.0000.0578.09
5.0.20.0000.0338.27
5.0.10.0000.0438.28
5.0.00.0000.0578.17
4.4.90.0070.0237.21
4.4.80.0030.0337.21
4.4.70.0000.0407.21
4.4.60.0000.0407.21
4.4.50.0000.0337.21
4.4.40.0030.0507.21
4.4.30.0000.0377.21
4.4.20.0000.0407.21
4.4.10.0000.0337.21
4.4.00.0070.0277.21
4.3.110.0000.0377.21
4.3.100.0030.0277.21
4.3.90.0030.0307.21
4.3.80.0100.0507.21
4.3.70.0100.0277.21
4.3.60.0030.0377.21
4.3.50.0100.0277.21
4.3.40.0030.0437.21
4.3.30.0030.0207.21
4.3.20.0030.0177.21
4.3.10.0000.0377.21
4.3.00.0030.0307.21

preferences:
40.93 ms | 401 KiB | 5 Q