3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generateHexKey($startColor = '000', $range = 3) { $length = strlen($startColor); $range = (filter_var($range, FILTER_SANITIZE_NUMBER_INT) != '') ? filter_var($range, FILTER_SANITIZE_NUMBER_INT) : 3; $i = 0; $key = ''; for($j=$length; $j<6; $j++) { $key .= ($startColor{$i}+$range); $range = (($range-1) != 0) ? ($range-1) : ($range+1); } return $startColor . $key; } echo generateHexKey();

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)
8.3.60.0070.00718.43
8.3.50.0100.01016.36
8.3.40.0120.00318.84
8.3.30.0070.00718.50
8.3.20.0090.00018.65
8.3.10.0040.00421.62
8.3.00.0050.00317.80
8.2.180.0140.00016.38
8.2.170.0150.00022.96
8.2.160.0070.00720.68
8.2.150.0000.00824.18
8.2.140.0050.00524.66
8.2.130.0000.00721.03
8.2.120.0040.00426.35
8.2.110.0060.00322.25
8.2.100.0120.00017.67
8.2.90.0080.00017.82
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0000.00717.91
8.2.50.0050.00318.10
8.2.40.0040.00422.32
8.2.30.0020.00518.98
8.2.20.0070.00017.43
8.2.10.0000.00717.85
8.2.00.0060.00317.92
8.1.280.0090.00625.92
8.1.270.0060.00323.80
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0060.00324.03
8.1.230.0090.00620.68
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0040.00416.99
8.1.190.0000.00916.98
8.1.180.0050.00318.10
8.1.170.0080.00018.57
8.1.160.0030.00318.88
8.1.150.0040.00418.80
8.1.140.0040.00419.44
8.1.130.0000.00717.44
8.1.120.0000.00717.29
8.1.110.0030.00717.32
8.1.100.0080.00017.36
8.1.90.0000.00917.23
8.1.80.0040.00417.39
8.1.70.0000.00717.28
8.1.60.0080.00317.45
8.1.50.0000.00817.36
8.1.40.0000.00817.39
8.1.30.0060.00317.50
8.1.20.0000.00817.47
8.1.10.0000.01017.29
8.1.00.0040.00417.20
8.0.300.0070.00020.00
8.0.290.0110.00016.61
8.0.280.0040.00418.32
8.0.270.0000.00717.00
8.0.260.0030.00317.07
8.0.250.0040.00416.78
8.0.240.0050.00316.80
8.0.230.0040.00416.89
8.0.220.0040.00416.71
8.0.210.0030.00316.84
8.0.200.0070.00316.87
8.0.190.0080.00016.85
8.0.180.0000.00716.73
8.0.170.0040.00416.70
8.0.160.0080.00016.71
8.0.150.0040.00416.84
8.0.140.0000.00716.80
8.0.130.0030.00313.21
8.0.120.0000.00716.69
8.0.110.0030.00516.84
8.0.100.0070.00016.69
8.0.90.0000.00716.72
8.0.80.0000.01616.78
8.0.70.0000.00716.88
8.0.60.0000.00816.82
8.0.50.0040.00416.80
8.0.30.0110.00816.81
8.0.20.0120.00717.40
8.0.10.0000.00816.87
8.0.00.0090.01216.58
7.4.330.0030.00315.08
7.4.320.0030.00316.55
7.4.300.0040.00416.64
7.4.290.0030.00316.59
7.4.280.0070.00016.61
7.4.270.0070.00016.64
7.4.260.0030.00716.53
7.4.250.0000.00816.41
7.4.240.0030.00316.55
7.4.230.0000.00716.69
7.4.220.0110.00716.64
7.4.210.0080.00816.52
7.4.200.0030.00316.52
7.4.160.0060.00916.62
7.4.150.0100.01317.40
7.4.140.0050.01117.86
7.4.130.0140.00416.75
7.4.120.0070.01116.49
7.4.110.0090.01316.63
7.4.100.0060.01016.57
7.4.90.0060.01216.56
7.4.80.0110.00619.39
7.4.70.0070.01016.50
7.4.60.0090.00616.53
7.4.50.0030.01316.36
7.4.40.0130.00316.64
7.4.30.0070.01016.63
7.4.00.0020.01214.89
7.3.330.0050.00013.17
7.3.320.0040.00413.38
7.3.310.0030.00316.43
7.3.300.0070.00016.39
7.3.290.0110.00616.35
7.3.280.0070.01216.37
7.3.270.0130.00417.40
7.3.260.0130.00316.49
7.3.250.0100.00916.46
7.3.240.0130.00316.40
7.3.230.0110.00616.39
7.3.210.0040.01516.59
7.3.200.0080.00816.42
7.3.190.0100.00616.61
7.3.180.0130.00316.26
7.3.170.0110.01116.52
7.3.160.0060.01016.45
7.3.120.0060.01314.79
7.3.110.0070.01014.86
7.3.100.0110.00415.18
7.3.90.0070.00715.02
7.3.80.0070.00714.60
7.3.70.0140.00014.90
7.3.60.0100.00314.62
7.3.50.0070.00714.79
7.3.40.0030.01314.53
7.3.30.0100.00314.87
7.3.20.0360.00716.74
7.3.10.0090.00516.59
7.3.00.0080.00916.87
7.2.330.0100.00716.49
7.2.320.0070.01116.68
7.2.310.0070.01016.64
7.2.300.0080.00816.72
7.2.290.0130.00316.51
7.2.250.0030.01615.15
7.2.240.0030.01715.11
7.2.230.0030.01215.07
7.2.220.0090.00015.11
7.2.210.0060.00815.14
7.2.200.0060.00914.89
7.2.190.0040.00714.96
7.2.180.0000.01315.10
7.2.170.0040.01115.13
7.2.130.0130.00317.10
7.2.120.0100.00716.83
7.2.110.0010.01316.66
7.2.100.0060.00317.06
7.2.90.0070.00716.71
7.2.80.0040.01217.15
7.2.70.0110.00417.05
7.2.60.0030.00917.05
7.2.50.0040.01016.72
7.2.40.0110.00016.99
7.2.30.0040.01116.78
7.2.20.0040.00717.11
7.2.10.0060.00617.05
7.2.00.0100.00316.79
7.1.330.0040.00815.81
7.1.320.0000.00815.77
7.1.310.0090.00615.82
7.1.300.0100.00315.87
7.1.290.0070.01015.80
7.1.280.0060.01015.86
7.1.270.0040.01415.85
7.1.260.0080.00415.87
7.1.250.0030.00715.76
7.1.200.0060.00615.49
7.1.70.0040.00816.90
7.1.60.0090.01619.29
7.1.00.0070.07322.51
7.0.200.0030.00716.82
7.0.60.0300.07019.92
7.0.50.0370.06720.39
7.0.40.0330.05720.25
7.0.30.0330.05720.30
7.0.20.0030.07320.41
7.0.10.0200.06020.27
7.0.00.0170.06020.29
5.6.280.0000.07721.12
5.6.210.0100.08320.67
5.6.200.0400.05020.95
5.6.190.0100.06321.03
5.6.180.0300.06021.02
5.6.170.0330.05721.06
5.6.160.0230.05020.99
5.6.150.0200.05321.06
5.6.140.0230.05021.05
5.6.130.0170.06020.96
5.6.120.0170.05721.05
5.6.110.0270.05721.03
5.6.100.0270.07021.05
5.6.90.0270.05021.15
5.6.80.0300.05720.51
5.6.70.0130.05320.34
5.6.60.0400.04720.41
5.6.50.0170.06020.50
5.6.40.0200.05320.57
5.6.30.0230.05020.41
5.6.20.0130.06720.31
5.6.10.0170.06020.52
5.6.00.0230.06020.36
5.5.350.0000.04020.38
5.5.340.0330.05320.88
5.5.330.0100.06720.96
5.5.320.0600.03720.83
5.5.310.0370.05020.91
5.5.300.0130.06320.68
5.5.290.0200.05720.85
5.5.280.0300.06320.88
5.5.270.0030.07020.70
5.5.260.0170.06320.84
5.5.250.0100.06320.64
5.5.240.0100.06720.23
5.5.230.0200.05720.19
5.5.220.0330.06020.09
5.5.210.0130.05720.34
5.5.200.0300.04720.09
5.5.190.0200.05320.18
5.5.180.0100.06320.31
5.5.160.0170.06320.18
5.5.150.0200.06020.30
5.5.140.0130.06720.09
5.5.130.0200.05320.39
5.5.120.0330.04720.21
5.5.110.0230.05320.16
5.5.100.0170.06020.08
5.5.90.0200.06020.05
5.5.80.0230.05320.08
5.5.70.0100.06720.06
5.5.60.0170.05020.09
5.5.50.0170.05320.07
5.5.40.0200.05020.27
5.5.30.0230.05020.03
5.5.20.0270.05019.99
5.5.10.0270.05019.97
5.5.00.0270.05320.04

preferences:
64.42 ms | 401 KiB | 5 Q