3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dec2hex($number) { $number = strval($number); $hexvalues = array('0','1','2','3','4','5','6','7', '8','9','A','B','C','D','E','F'); $hexval = ''; while($number != '0') { $hexval = $hexvalues[bcmod($number,'16')].$hexval; $number = bcdiv($number,'16',0); } return $hexval; } $id = 14910855968770314426; var_dump($id); $guid = dec2hex($id); var_dump($guid);

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)
8.3.40.0090.00619.02
8.3.30.0060.01018.84
8.3.20.0080.00018.87
8.3.10.0080.00021.22
8.3.00.0040.00421.85
8.2.170.0090.00622.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0070.00020.87
8.2.110.0040.00720.51
8.2.100.0030.00917.78
8.2.90.0000.00919.07
8.2.80.0090.00017.97
8.2.70.0030.00917.38
8.2.60.0030.00517.88
8.2.50.0050.00518.07
8.2.40.0030.00618.03
8.2.30.0000.00819.55
8.2.20.0000.00717.66
8.2.10.0060.00317.69
8.2.00.0040.00417.70
8.1.270.0000.00823.99
8.1.260.0000.01426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.47
8.1.230.0110.00021.03
8.1.220.0050.00318.77
8.1.210.0000.00818.91
8.1.200.0100.00017.10
8.1.190.0000.00817.41
8.1.180.0080.00018.10
8.1.170.0030.00618.65
8.1.160.0000.01118.89
8.1.150.0050.00318.56
8.1.140.0000.00817.50
8.1.130.0000.00717.88
8.1.120.0070.00017.48
8.1.110.0000.00817.38
8.1.100.0000.00717.39
8.1.90.0040.00417.42
8.1.80.0000.00817.32
8.1.70.0030.00317.44
8.1.60.0100.00017.55
8.1.50.0080.00017.45
8.1.40.0030.00617.53
8.1.30.0030.00517.69
8.1.20.0040.00417.71
8.1.10.0050.00317.56
8.1.00.0000.00917.53
8.0.300.0040.00419.84
8.0.290.0000.00717.05
8.0.280.0030.00318.39
8.0.270.0000.00816.75
8.0.260.0000.00716.90
8.0.250.0040.00416.96
8.0.240.0040.00416.97
8.0.230.0000.00716.97
8.0.220.0050.00316.89
8.0.210.0000.00716.98
8.0.200.0030.00316.95
8.0.190.0000.00716.91
8.0.180.0000.00716.93
8.0.170.0030.00316.92
8.0.160.0030.00316.79
8.0.150.0000.00716.86
8.0.140.0030.00516.77
8.0.130.0030.00313.31
8.0.120.0040.00416.92
8.0.110.0060.00316.89
8.0.100.0040.00416.88
8.0.90.0000.00816.71
8.0.80.0070.00716.86
8.0.70.0040.00416.77
8.0.60.0050.00316.73
8.0.50.0040.00416.70
8.0.30.0100.00717.06
8.0.20.0110.01117.40
8.0.10.0000.00817.14
8.0.00.0080.00916.80
7.4.330.0020.00216.77
7.4.320.0000.00616.59
7.4.300.0000.00616.44
7.4.290.0030.00316.58
7.4.280.0070.00016.59
7.4.270.0030.00316.50
7.4.260.0050.00013.20
7.4.250.0040.00416.37
7.4.240.0070.00016.42
7.4.230.0000.00716.49
7.4.220.0180.00616.52
7.4.210.0110.00516.55
7.4.200.0040.00416.61
7.4.190.0000.00716.45
7.4.160.0070.01016.43
7.4.150.0100.01017.40
7.4.140.0060.01417.86
7.4.130.0060.01216.61
7.4.120.0120.00916.46
7.4.110.0100.00616.61
7.4.100.0060.01216.51
7.4.90.0040.01416.43
7.4.80.0140.00319.39
7.4.70.0040.01116.45
7.4.60.0150.00316.45
7.4.50.0020.00216.32
7.4.40.0070.01122.77
7.4.30.0070.01016.55
7.4.00.0000.01415.23
7.3.330.0060.00013.38
7.3.320.0050.00013.21
7.3.310.0020.00516.34
7.3.300.0030.00316.32
7.3.290.0060.01116.38
7.3.280.0110.00716.34
7.3.270.0120.00917.40
7.3.260.0110.00618.24
7.3.250.0080.01316.32
7.3.240.0070.01016.65
7.3.230.0140.00416.41
7.3.210.0130.01016.32
7.3.200.0090.00916.29
7.3.190.0070.01016.50
7.3.180.0120.00616.59
7.3.170.0140.00716.32
7.3.160.0090.00616.32
7.3.120.0070.00714.95
7.2.330.0070.01016.89
7.2.320.0110.01116.82
7.2.310.0100.01016.71
7.2.300.0070.01116.93
7.2.290.0140.01116.40
7.2.60.0040.01116.71
7.1.200.0030.01015.74
7.1.70.0050.00316.88
7.1.60.0120.00319.17
7.1.50.0070.02116.77
7.1.00.0000.03722.28
7.0.200.0000.00816.49
7.0.140.0000.07322.21
7.0.90.0100.07319.98
7.0.80.0000.08020.00
7.0.70.0130.07720.03
7.0.60.0170.05019.97
7.0.50.0530.06720.27
7.0.40.0100.09020.04
7.0.30.0130.08320.09
7.0.20.0170.07320.17
7.0.10.0200.07020.09
7.0.00.0100.08019.95
5.6.280.0030.07321.13
5.6.230.0200.04320.57
5.6.220.0070.08020.71
5.6.210.0100.08020.66
5.6.200.0100.05321.18
5.6.190.0130.07321.01
5.6.180.0130.07321.14
5.6.170.0070.05021.12
5.6.160.0230.06721.08
5.6.150.0130.07321.11
5.6.140.0130.08021.00
5.6.130.0070.08021.10
5.6.120.0170.07721.06
5.6.110.0230.07020.95
5.6.100.0030.06020.93
5.6.90.0030.05721.04
5.6.80.0100.07320.43
5.6.70.0030.05720.43
5.6.60.0070.04720.38
5.6.50.0130.07320.34
5.6.40.0130.05320.41
5.6.30.0100.05320.38
5.6.20.0100.07320.38
5.6.10.0170.07320.52
5.6.00.0100.04020.40
5.5.370.0100.03720.40
5.5.360.0100.07720.44
5.5.350.0000.04720.35
5.5.340.0130.07320.73
5.5.330.0100.04720.93
5.5.320.0130.07720.84
5.5.310.0100.08320.80
5.5.300.0070.04020.89
5.5.290.0100.04720.93
5.5.280.0070.08020.79
5.5.270.0100.08720.83
5.5.260.0130.07020.90
5.5.250.0100.07720.70
5.5.240.0130.07020.12
5.5.230.0000.05320.27
5.5.220.0130.07720.02
5.5.210.0030.07320.25
5.5.200.0070.07720.26
5.5.190.0030.04720.24
5.5.180.0030.04320.11
5.5.160.0030.06720.18
5.5.150.0100.08720.14
5.5.140.0030.04020.28
5.5.130.0230.06320.13
5.5.120.0070.07320.23
5.5.110.0100.06020.27
5.5.100.0070.06320.04
5.5.90.0030.05320.05
5.5.80.0100.07320.17
5.5.70.0070.06720.09
5.5.60.0130.07320.06
5.5.50.0170.06319.94
5.5.40.0200.06020.14
5.5.30.0070.06720.14
5.5.20.0070.07720.15
5.5.10.0130.07720.04
5.5.00.0170.07720.04
5.4.450.0070.06719.46
5.4.440.0030.08319.23
5.4.430.0130.07019.55
5.4.420.0130.08019.45
5.4.410.0070.08319.36
5.4.400.0070.06719.04
5.4.390.0170.06719.04
5.4.380.0070.09019.22
5.4.370.0100.08318.96
5.4.360.0100.03319.20
5.4.350.0170.07018.91
5.4.340.0000.07319.14
5.4.320.0100.06719.18
5.4.310.0030.03718.88
5.4.300.0000.04019.18
5.4.290.0030.03718.87
5.4.280.0000.08319.20
5.4.270.0070.07019.18
5.4.260.0100.05019.04
5.4.250.0030.08019.17
5.4.240.0000.05019.17
5.4.230.0030.06319.17
5.4.220.0130.04319.02
5.4.210.0100.07019.15
5.4.200.0030.07319.03
5.4.190.0100.07319.22
5.4.180.0130.06319.16
5.4.170.0100.05719.13
5.4.160.0070.07719.16
5.4.150.0030.04718.89
5.4.140.0030.07316.47
5.4.130.0100.04016.47
5.4.120.0070.06716.43
5.4.110.0100.04316.56
5.4.100.0170.04316.39
5.4.90.0030.05316.41
5.4.80.0070.04316.47
5.4.70.0030.04716.50
5.4.60.0070.06016.49
5.4.50.0330.02316.34
5.4.40.0100.06016.36
5.4.30.0000.05316.36
5.4.20.0070.07016.36
5.4.10.0100.07016.32
5.4.00.0130.06715.78
5.3.290.0030.05314.69
5.3.280.0000.04714.70
5.3.270.0070.08014.66
5.3.260.0070.07314.58
5.3.250.0070.07014.61
5.3.240.0070.07014.70
5.3.230.0100.08314.66
5.3.220.0170.07714.58
5.3.210.0170.06314.55
5.3.200.0130.04014.49
5.3.190.0030.06314.49
5.3.180.0030.07714.53
5.3.170.0070.08014.71
5.3.160.0070.07314.62
5.3.150.0070.07714.51
5.3.140.0170.06714.50
5.3.130.0200.06314.68
5.3.120.0070.07714.48
5.3.110.0100.07014.55
5.3.100.0000.06314.18
5.3.90.0100.07014.16
5.3.80.0070.04314.03
5.3.70.0070.07013.94
5.3.60.0130.06714.02
5.3.50.0000.07013.85
5.3.40.0100.07013.93
5.3.30.0100.07013.80
5.3.20.0070.04713.62
5.3.10.0070.07713.57
5.3.00.0030.08013.67
5.2.170.0000.06713.54
5.2.160.0000.03713.54
5.2.150.0100.06013.54
5.2.140.0000.06313.54
5.2.130.0100.05713.54
5.2.120.0030.04313.54
5.2.110.0030.05713.54
5.2.100.0070.04313.54
5.2.90.0100.05313.54
5.2.80.0030.06313.54
5.2.70.0170.05013.54
5.2.60.0030.03713.54
5.2.50.0030.06713.54
5.2.40.0100.06013.54
5.2.30.0100.02713.54
5.2.20.0030.03713.54
5.2.10.0070.06013.54
5.2.00.0070.05713.54
5.1.60.0070.05013.54
5.1.50.0100.06013.54
5.1.40.0000.04713.54
5.1.30.0000.06013.54
5.1.20.0030.03713.54
5.1.10.0130.02013.54
5.1.00.0030.05313.54
5.0.50.0030.04313.54
5.0.40.0070.04313.54
5.0.30.0000.06713.54
5.0.20.0100.03713.54
5.0.10.0030.04313.54
5.0.00.0030.06013.54
4.4.90.0000.03013.54
4.4.80.0030.03013.54
4.4.70.0030.03713.54
4.4.60.0030.03013.54
4.4.50.0000.03013.54
4.4.40.0070.04013.54
4.4.30.0000.03713.54
4.4.20.0070.03013.54
4.4.10.0070.01313.54
4.4.00.0000.06013.54
4.3.110.0030.03013.54
4.3.100.0070.03013.54
4.3.90.0000.03013.54
4.3.80.0070.04713.54
4.3.70.0070.02713.54
4.3.60.0070.03013.54
4.3.50.0070.03013.54
4.3.40.0030.05313.54
4.3.30.0000.03713.54
4.3.20.0000.04013.54
4.3.10.0000.03313.54
4.3.00.0030.03313.54

preferences:
40.68 ms | 400 KiB | 5 Q