3v4l.org

run code in 300+ PHP versions simultaneously
<?php $count = 1; $col = 'A'; while ($count < 300) { echo $count . ' = ' . $col . PHP_EOL; if (isset($col[1])) { echo (ord(strtolower($col[0])) - 96) * 26 + ord(strtolower($col[1])) . PHP_EOL; } else { echo ord(strtolower($col[0])) - 96 . PHP_EOL; } $col++; $count++; }

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)
8.3.60.0070.01316.49
8.3.50.0080.00818.06
8.3.40.0060.01318.54
8.3.30.0130.00318.84
8.3.20.0060.00320.34
8.3.10.0040.00420.77
8.3.00.0040.00420.82
8.2.180.0190.00418.16
8.2.170.0060.01022.96
8.2.160.0100.00622.20
8.2.150.0090.00024.18
8.2.140.0090.00024.66
8.2.130.0060.00321.04
8.2.120.0030.00526.35
8.2.110.0110.00021.06
8.2.100.0060.00617.78
8.2.90.0000.00919.26
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0110.00018.05
8.2.50.0060.00318.34
8.2.40.0040.00420.59
8.2.30.0000.00819.22
8.2.20.0000.00818.19
8.2.10.0040.00418.05
8.2.00.0030.00518.18
8.1.280.0120.00925.92
8.1.270.0040.00423.70
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0030.00722.11
8.1.230.0040.00720.30
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0040.00417.23
8.1.190.0040.00417.25
8.1.180.0040.00418.10
8.1.170.0040.00418.34
8.1.160.0000.00818.83
8.1.150.0080.00421.88
8.1.140.0080.00019.49
8.1.130.0100.00018.97
8.1.120.0040.00417.47
8.1.110.0050.00317.39
8.1.100.0040.00417.40
8.1.90.0030.00617.35
8.1.80.0050.00217.52
8.1.70.0000.00817.45
8.1.60.0090.00317.61
8.1.50.0000.00817.50
8.1.40.0000.00917.45
8.1.30.0040.00417.57
8.1.20.0040.00417.59
8.1.10.0000.00817.55
8.1.00.0030.00917.43
8.0.300.0000.00718.77
8.0.290.0050.00316.75
8.0.280.0050.00218.46
8.0.270.0070.00017.30
8.0.260.0030.00318.98
8.0.250.0050.00316.87
8.0.240.0000.01016.89
8.0.230.0030.00516.98
8.0.220.0000.00816.90
8.0.210.0040.00416.91
8.0.200.0030.00616.97
8.0.190.0040.00417.05
8.0.180.0040.00417.02
8.0.170.0040.00416.96
8.0.160.0040.00416.92
8.0.150.0040.00416.92
8.0.140.0000.00916.91
8.0.130.0000.00613.38
8.0.120.0040.00416.90
8.0.110.0000.00816.89
8.0.100.0000.00717.04
8.0.90.0040.00416.73
8.0.80.0070.01016.95
8.0.70.0000.00816.96
8.0.60.0040.00416.85
8.0.50.0000.00817.03
8.0.30.0100.01317.13
8.0.20.0140.01017.40
8.0.10.0000.00717.05
8.0.00.0120.00916.63
7.4.330.0000.00715.55
7.4.320.0060.00016.42
7.4.300.0060.00016.62
7.4.290.0080.00016.63
7.4.280.0000.00816.58
7.4.270.0110.00016.56
7.4.260.0000.01116.52
7.4.250.0040.00416.54
7.4.240.0000.00816.53
7.4.230.0070.00016.31
7.4.220.0060.01316.46
7.4.210.0110.00716.48
7.4.200.0070.00016.36
7.4.160.0140.00716.38
7.4.150.0170.00417.40
7.4.140.0170.00817.86
7.4.130.0170.00716.41
7.4.120.0120.01216.47
7.4.110.0100.01016.63
7.4.100.0080.01216.40
7.4.90.0090.00916.52
7.4.80.0150.00919.39
7.4.70.0110.01216.56
7.4.60.0030.01416.39
7.4.50.0130.00616.55
7.4.40.0110.00716.68
7.4.30.0170.01016.59
7.4.00.0050.00514.65
7.3.330.0000.00513.15
7.3.320.0000.00613.16
7.3.310.0040.00416.25
7.3.300.0040.00316.16
7.3.290.0000.00716.20
7.3.280.0090.00916.27
7.3.270.0100.01317.40
7.3.260.0300.01816.33
7.3.250.0110.01416.27
7.3.240.0160.00916.40
7.3.230.0140.01116.29
7.3.210.0140.00716.34
7.3.200.0120.00716.50
7.3.190.0120.00616.43
7.3.180.0090.00916.49
7.3.170.0130.00716.38
7.3.160.0190.00016.59
7.2.330.0120.00916.76
7.2.320.0060.02316.76
7.2.310.0100.01316.73
7.2.300.0200.00716.84
7.2.290.0070.01416.39
7.2.60.0180.00416.51
7.1.200.0030.00715.61
7.1.90.0060.00918.33
7.1.80.0060.01218.15
7.1.70.0100.00317.13
7.1.60.0170.01035.09
7.1.50.0200.00734.95
7.1.40.0130.01334.61
7.1.30.0190.00934.27
7.1.20.0190.00934.77
7.1.10.0060.00816.77
7.1.00.0070.00716.63
7.0.230.0000.01617.79
7.0.220.0070.01017.63
7.0.210.0100.00316.54
7.0.200.0110.00316.70
7.0.190.0060.00616.83
7.0.180.0110.00516.25
7.0.170.0030.01016.30
7.0.160.0040.01116.04
7.0.150.0060.00916.18
7.0.140.0060.00816.27
7.0.130.0070.00716.62
7.0.120.0050.01116.43
7.0.110.0070.00716.21
7.0.100.0060.00816.20
7.0.90.0030.01516.18
7.0.80.0070.00716.22
7.0.70.0060.00816.16
7.0.60.0110.00516.12
7.0.50.0040.01116.36
7.0.40.0060.00616.20
7.0.30.0050.01016.33
7.0.20.0030.01016.38
7.0.10.0090.00616.41
7.0.00.0050.00716.38

preferences:
64.69 ms | 401 KiB | 5 Q