3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dni = '342501198701065'; $row = str_split($dni); $letters = array_combine(range(0,25), range('a', 'z')); //now just use: foreach($row as $n) echo $letters[$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)
8.3.60.0080.00816.50
8.3.50.0120.00921.85
8.3.40.0140.00018.74
8.3.30.0070.00718.80
8.3.20.0040.00420.29
8.3.10.0040.00420.61
8.3.00.0050.00221.80
8.2.180.0160.00616.75
8.2.170.0100.01022.96
8.2.160.0040.01219.43
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0080.00020.59
8.2.110.0030.00622.07
8.2.100.0140.00017.78
8.2.90.0000.00819.14
8.2.80.0050.00317.97
8.2.70.0050.00317.63
8.2.60.0040.00417.80
8.2.50.0060.00318.10
8.2.40.0000.00822.37
8.2.30.0040.00419.18
8.2.20.0040.00417.98
8.2.10.0080.00018.13
8.2.00.0000.00817.66
8.1.280.0070.01025.92
8.1.270.0000.00823.88
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.98
8.1.230.0110.00020.36
8.1.220.0050.00317.78
8.1.210.0030.00618.77
8.1.200.0060.00617.48
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0050.00318.50
8.1.160.0000.00722.18
8.1.150.0040.00418.88
8.1.140.0000.00719.50
8.1.130.0000.00817.63
8.1.120.0000.00717.43
8.1.110.0040.00417.46
8.1.100.0040.00417.48
8.1.90.0040.00417.51
8.1.80.0040.00417.48
8.1.70.0070.00017.50
8.1.60.0050.00317.46
8.1.50.0050.00517.55
8.1.40.0080.00017.55
8.1.30.0040.00417.55
8.1.20.0000.00717.61
8.1.10.0000.00717.46
8.1.00.0040.00417.48
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.45
8.0.270.0000.00717.26
8.0.260.0060.00017.38
8.0.250.0000.00716.88
8.0.240.0060.00017.02
8.0.230.0040.00417.03
8.0.220.0030.00316.86
8.0.210.0000.00716.93
8.0.200.0030.00316.93
8.0.190.0050.00316.94
8.0.180.0040.00416.79
8.0.170.0030.00316.78
8.0.160.0050.00316.91
8.0.150.0030.00316.71
8.0.140.0040.00416.82
8.0.130.0000.00513.25
8.0.120.0000.00816.88
8.0.110.0050.00216.97
8.0.100.0030.00616.92
8.0.90.0000.00816.80
8.0.80.0000.01516.95
8.0.70.0080.00016.84
8.0.60.0030.00316.93
8.0.50.0030.00616.86
8.0.30.0090.00917.30
8.0.20.0090.00917.40
8.0.10.0040.00417.12
8.0.00.0130.00616.74
7.4.330.0050.00015.08
7.4.320.0060.00316.40
7.4.300.0000.00616.48
7.4.290.0000.00716.60
7.4.280.0070.00016.45
7.4.270.0000.00716.60
7.4.260.0000.00716.44
7.4.250.0030.00516.42
7.4.240.0000.00716.52
7.4.230.0000.00716.40
7.4.220.0060.01516.69
7.4.210.0070.00716.59
7.4.200.0030.00316.46
7.4.160.0110.00616.61
7.4.150.0090.00917.40
7.4.140.0110.00917.86
7.4.130.0100.01216.43
7.4.120.0170.00216.46
7.4.110.0100.00716.40
7.4.100.0030.01316.42
7.4.90.0100.00716.54
7.4.80.0130.01019.39
7.4.70.0110.00716.56
7.4.60.0100.00616.61
7.4.50.0090.00616.48
7.4.40.0070.01016.52
7.4.30.0120.00916.50
7.3.330.0000.00513.16
7.3.320.0020.00213.14
7.3.310.0040.00416.36
7.3.300.0050.00216.17
7.3.290.0000.00716.27
7.3.280.0060.01116.29
7.3.270.0170.00017.40
7.3.260.0090.00816.42
7.3.250.0090.00716.45
7.3.240.0090.00916.32
7.3.230.0130.00316.55
7.3.210.0100.00616.21
7.3.200.0070.01016.43
7.3.190.0060.00916.23
7.3.180.0120.00916.18
7.3.170.0140.00316.37
7.3.160.0100.00616.55
7.2.330.0040.01416.76
7.2.320.0100.01016.72
7.2.310.0090.01516.65
7.2.300.0040.01416.80
7.2.290.0110.00716.45
7.1.00.0100.06722.31
7.0.110.0170.05720.23
7.0.100.0000.06320.32
7.0.90.0130.05720.32
7.0.80.0200.04720.21
7.0.70.0170.05320.30
7.0.60.0270.05720.31
7.0.50.0270.04720.36
7.0.40.0570.05020.36
7.0.30.0300.07320.26
7.0.23.1470.06313.77
7.0.10.0170.08020.30
7.0.02.5670.06013.76
5.6.260.0130.06321.05
5.6.250.0170.05020.89
5.6.240.0170.06020.80
5.6.230.0170.05720.80
5.6.220.0170.05320.85
5.6.210.0130.05720.96
5.6.200.0130.05720.77
5.6.190.0130.06020.94
5.6.180.0100.06320.76
5.6.170.0100.07321.01
5.6.160.0070.06721.04
5.6.150.0100.05720.75
5.6.140.0130.05321.03
5.6.130.0100.07721.00
5.6.120.0200.07021.04
5.6.110.0070.07321.05
5.6.100.0000.06720.82
5.6.90.0200.05320.97
5.6.80.0070.05720.31
5.6.70.0100.05020.38
5.6.60.0030.06020.45
5.6.50.0070.05320.21
5.6.40.0100.05320.11
5.6.30.0100.05320.37
5.6.20.0130.05320.34
5.6.10.0100.05320.18
5.6.00.0000.06320.13

preferences:
34.28 ms | 401 KiB | 5 Q