3v4l.org

run code in 300+ PHP versions simultaneously
<?php function base26($value) { $name = ''; $value -= 1; for ($exponent = 0; pow(26, $exponent) < $value; $exponent++) { $digitWeight = intval(pow(26, $exponent)); $remainder = $value % intval(pow(26, $exponent + 1)); $digitValue = intval($remainder / $digitWeight); $digitValue += 1; $ascii = 64 + $digitValue; $name = chr($ascii) . $name; echo sprintf("digitValue: %d, ascii: %d, value: %d, remainder: %d\n", $digitValue, $ascii, $value, $remainder); $value = $value - $digitValue + 1; } return $name; } for ($i = 1; $i < 28; $i++) { echo $i . "->" . base26($i) . "\n"; } foreach (array(51, 52, 53, 77, 78, 79) as $i) { echo $i . "->" . base26($i) . "\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)
8.3.60.0120.00318.43
8.3.50.0090.01417.14
8.3.40.0070.00718.71
8.3.30.0030.01318.63
8.3.20.0040.00418.60
8.3.10.0130.00620.39
8.3.00.0060.00317.50
8.2.180.0190.00316.63
8.2.170.0070.00722.96
8.2.160.0030.01322.20
8.2.150.0110.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00419.96
8.2.110.0030.00621.93
8.2.100.0060.00618.03
8.2.90.0030.00719.17
8.2.80.0030.00517.97
8.2.70.0090.00017.63
8.2.60.0050.00317.93
8.2.50.0030.00518.10
8.2.40.0040.00418.16
8.2.30.0000.00718.05
8.2.20.0040.00417.64
8.2.10.0070.00017.82
8.2.00.0080.00017.66
8.1.280.0040.01125.92
8.1.270.0000.00823.99
8.1.260.0090.00626.35
8.1.250.0080.00028.09
8.1.240.0090.00022.13
8.1.230.0080.00317.89
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.25
8.1.180.0040.00418.10
8.1.170.0000.00818.89
8.1.160.0000.00718.95
8.1.150.0000.00818.70
8.1.140.0040.00417.41
8.1.130.0030.00517.80
8.1.120.0070.00017.35
8.1.110.0030.00617.47
8.1.100.0050.00317.35
8.1.90.0000.00717.36
8.1.80.0030.00417.44
8.1.70.0000.00717.35
8.1.60.0080.00017.48
8.1.50.0080.00017.45
8.1.40.0050.00317.60
8.1.30.0000.00717.59
8.1.20.0040.00417.65
8.1.10.0000.00817.49
8.1.00.0020.00517.37
8.0.300.0040.00418.77
8.0.290.0080.00416.58
8.0.280.0030.00318.46
8.0.270.0050.00317.23
8.0.260.0000.00716.83
8.0.250.0070.00016.93
8.0.240.0060.00516.87
8.0.230.0000.00716.93
8.0.220.0070.00016.87
8.0.210.0000.00816.76
8.0.200.0050.00217.05
8.0.190.0000.00716.93
8.0.180.0040.00416.94
8.0.170.0030.00516.84
8.0.160.0000.00716.91
8.0.150.0000.00816.80
8.0.140.0040.00416.89
8.0.130.0000.00513.32
8.0.120.0040.00416.82
8.0.110.0080.00016.85
8.0.100.0030.00616.93
8.0.90.0050.00216.73
8.0.80.0060.00916.95
8.0.70.0050.00316.87
8.0.60.0040.00416.96
8.0.50.0060.00316.68
8.0.30.0100.01017.12
8.0.20.0110.01117.15
8.0.10.0040.00416.90
8.0.00.0080.01216.90
7.4.330.0000.00514.84
7.4.320.0000.00716.61
7.4.300.0000.00616.65
7.4.290.0030.00316.46
7.4.280.0060.00316.50
7.4.270.0070.00016.53
7.4.260.0030.00313.23
7.4.250.0000.00816.57
7.4.240.0000.00816.51
7.4.230.0000.00716.52
7.4.220.0180.00916.59
7.4.210.0090.00816.58
7.4.200.0030.00316.64
7.4.190.0000.00716.51
7.4.160.0070.01016.48
7.4.150.0040.01517.07
7.4.140.0030.01417.18
7.4.130.0130.00316.59
7.4.120.0150.00316.63
7.4.110.0060.01216.64
7.4.100.0130.00416.64
7.4.90.0140.00516.47
7.4.80.0340.02518.80
7.4.70.0180.00616.46
7.4.60.0070.01016.54
7.4.50.0040.00416.64
7.4.40.0090.00322.27
7.4.30.0100.00716.63
7.4.00.0110.00414.76
7.3.330.0000.00713.37
7.3.320.0040.00413.25
7.3.310.0000.00816.25
7.3.300.0030.00316.38
7.3.290.0060.01316.31
7.3.280.0110.01016.36
7.3.270.0100.01717.07
7.3.260.0100.00818.24
7.3.250.0100.00816.59
7.3.240.0140.00416.65
7.3.230.0170.00016.61
7.3.210.0100.00716.46
7.3.200.0130.01019.39
7.3.190.0160.00716.38
7.3.180.0030.01316.47
7.3.170.0080.00816.41
7.3.160.0040.01316.46
7.3.120.0030.01015.02
7.2.330.0110.00716.91
7.2.320.0030.01516.79
7.2.310.0110.01116.73
7.2.300.0090.00916.83
7.2.290.0170.00016.87
7.2.00.0000.01219.51
7.1.100.0710.01216.24
7.1.70.0100.01016.96
7.1.60.0070.01319.40
7.1.50.0100.00734.57
7.1.00.0000.06722.57
7.0.200.0030.00716.61
7.0.140.0000.07722.09
7.0.60.0000.04320.04
7.0.50.0130.07017.89
7.0.40.0070.05320.05
7.0.30.0230.05320.07
7.0.20.0370.07720.22
7.0.10.0170.04020.15
7.0.00.0070.08720.20
5.6.280.0070.07321.04
5.6.210.0130.06020.46
5.6.200.0030.05018.18
5.6.190.0000.04320.67
5.6.180.0270.04320.58
5.6.170.0430.07020.54
5.6.160.0070.05320.61
5.6.150.0030.05718.23
5.6.140.0000.08018.21
5.6.130.0130.07318.19
5.6.120.0070.08720.97
5.6.110.0070.08321.15
5.6.100.0030.04020.98
5.6.90.0070.05721.08
5.6.80.0030.04020.39
5.6.70.4400.04020.38
5.5.350.0330.07720.50
5.5.340.0170.07018.07
5.5.330.0070.08320.29
5.5.320.0270.06320.33
5.5.310.0230.05020.31
5.5.300.0100.08017.98
5.5.290.0070.03718.09
5.5.280.0100.08020.84
5.5.270.0100.04720.96
5.5.260.0100.08320.97
5.5.250.0030.04320.48
5.5.240.0030.08020.26
5.4.450.0700.04719.59
5.4.440.0630.04719.63
5.4.430.0630.03719.51
5.4.420.0830.04719.17
5.4.410.0570.04319.35
5.4.400.0600.06319.04
5.4.390.0330.04019.21
5.4.380.0530.04018.87
5.4.370.0530.05019.13
5.4.360.0570.04019.13
5.4.350.0530.03318.84
5.4.340.0430.04719.31
5.4.320.0500.03719.06
5.4.310.0730.04018.95
5.4.300.0570.03718.85
5.4.290.0500.03019.31
5.4.280.0470.03719.18
5.4.270.0630.04019.21
5.4.260.0800.03719.21
5.4.250.0730.02718.85
5.4.240.0830.02719.20
5.4.230.0470.05318.98
5.4.220.0530.04319.19
5.4.210.0870.02719.18
5.4.200.0030.03019.02
5.4.190.0570.04019.21
5.4.180.0200.03719.20
5.4.170.0600.04719.12
5.4.160.0470.05019.05
5.4.150.0100.02718.99
5.4.140.0500.04316.34
5.4.130.0500.04016.37
5.4.120.0230.04716.37
5.4.110.1030.03716.35
5.4.100.0800.03016.43
5.4.90.0770.03016.53
5.4.80.0400.04016.52
5.4.70.0270.04316.34
5.4.60.0500.03716.56
5.4.50.0530.03716.21
5.4.40.0470.04316.40
5.4.30.0670.03316.44
5.4.20.0770.03716.48
5.4.10.0330.04016.38
5.4.00.0400.04315.94
5.3.290.0570.04015.48
5.3.280.0600.04715.64
5.3.270.0470.04315.64
5.3.260.0600.04315.64
5.3.250.0630.04315.64
5.3.240.0370.04715.64
5.3.230.0600.03315.64
5.3.220.0670.03715.64
5.3.210.0370.04015.64
5.3.200.0800.03715.64
5.3.190.0570.03015.64
5.3.180.0500.05015.64
5.3.170.0500.03715.64
5.3.160.0370.04015.64
5.3.150.0330.03315.64
5.3.140.0430.03015.64
5.3.130.0400.05015.64
5.3.120.0700.04315.64
5.3.110.0670.03315.64
5.3.100.0300.04015.64
5.3.90.0270.03715.64
5.3.80.0270.04015.64
5.3.70.0770.03015.64
5.3.60.0370.04015.64
5.3.50.0530.03715.64
5.3.40.0730.04015.64
5.3.30.0570.04015.64
5.3.20.1000.04015.64
5.3.10.0770.02315.64
5.3.00.0300.06015.64
5.2.170.0500.03715.64
5.2.160.0430.04015.64
5.2.150.0700.05015.64
5.2.140.0370.03315.64
5.2.130.0630.02015.64
5.2.120.0030.02315.64
5.2.110.0470.03715.64
5.2.100.0800.03015.64
5.2.90.0330.02715.64
5.2.80.0300.02315.64
5.2.70.0630.03015.64
5.2.60.0270.03015.64
5.2.50.0700.01715.64
5.2.40.0430.02015.64
5.2.30.0200.03015.64
5.2.20.0170.02315.64
5.2.10.0030.03315.64
5.2.00.0200.03715.64
5.1.60.0300.03015.64
5.1.50.0300.02015.64
5.1.40.0370.02715.64
5.1.30.0300.02015.64
5.1.20.0570.02315.64
5.1.10.0530.02715.64
5.1.00.0330.02715.64
5.0.50.0030.02015.64
5.0.40.0230.02315.64
5.0.30.0100.03015.64
5.0.20.0170.02315.64
5.0.10.0000.01715.64
5.0.00.0130.03315.64
4.4.90.0100.02015.64
4.4.80.0300.01315.64
4.4.70.0200.01715.64
4.4.60.0130.01315.64
4.4.50.0400.01315.64
4.4.40.0130.02315.64
4.4.30.0100.01315.64
4.4.20.0070.02315.64
4.4.10.0200.01315.64
4.4.00.0130.02715.64
4.3.110.0200.01015.64
4.3.100.0130.01715.64
4.3.90.0230.01315.64
4.3.80.0170.02715.64
4.3.70.0100.01715.64
4.3.60.0300.01715.64
4.3.50.0230.01715.64
4.3.40.0130.02715.64
4.3.30.0130.01315.64
4.3.20.0170.01315.64
4.3.10.0130.01015.64
4.3.00.0070.01715.64

preferences:
42.64 ms | 401 KiB | 5 Q