3v4l.org

run code in 300+ PHP versions simultaneously
<?php if ( ! isset($argv[1]) || ! isset($argv[2])){ exit("An argument was expected.");}$base = substr($argv[1], 0, -1);$unit = substr($argv[1], strlen($argv[1])-1, 1);if ( ! is_numeric($argv[1][strlen($argv[1])-2])){ $base = substr($argv[1], 0, -2); $unit = substr($argv[1], strlen($argv[1])-2, 2);}if ( strlen($argv[1]) >= 3 && ! is_numeric($argv[1][strlen($argv[1])-3])){ $base = substr($argv[1], 0, -3); $unit = substr($argv[1], strlen($argv[1])-3, 3);}$targetUnit = $argv[2];if ( ! is_numeric($base) || is_float($base) === true){ exit("The argument is not a valid number.");}switch ($unit){ case 'GB': case 'GiB': $bits = $base * 1024 * 1024 * 1024 * 8; break; case 'Gb': case 'Gib': $bits = $base * 1024 * 1024 * 1024; break; case 'gB': $bits = $base * 1000 * 1000 * 1024 * 8; break; case 'gb': $bits = $base * 1000 * 1000 * 1024; break; case 'MB': case 'MiB': $bits = $base * 1024 * 1024 * 8; break; case 'Mb': case 'Mib': $bits = $base * 1024 * 1024; break; case 'mB': $bits = $base * 1000 * 1024 * 8; break; case 'mb': $bits = $base * 1000 * 1024; break; case 'KB': case 'KiB': $bits = $base * 1024 * 8; break; case 'Kb': case 'Kib': $bits = $base * 1024; break; case 'kB': $bits = $base * 1000 * 8; break; case 'kb': $bits = $base * 1000; break; case 'B': $bits = $base * 8; break; case 'b': $bits = $base; break; default: exit("Unit {$unit} is not supported.");}switch ($targetUnit){ case 'GB': case 'GiB': $resultBase = $bits / 1024 / 1024 / 1024 / 8; break; case 'Gb': case 'Gib': $resultBase = $bits / 1024 / 1024 / 1024; break; case 'gB': $resultBase = $bits / 1000 / 1000 / 1024 / 8; break; case 'gb': $resultBase = $bits / 1000 / 1000 / 1024; break; case 'MB': case 'MiB': $resultBase = $bits / 1024 / 1024 / 8; break; case 'Mb': case 'Mib': $resultBase = $bits / 1024 / 1024; break; case 'mB': $resultBase = $bits / 1000 / 1024 / 8; break; case 'mb': $resultBase = $bits / 1000 / 1024; break; case 'KB': case 'KiB': $resultBase = $bits / 1024 / 8; break; case 'Kb': case 'Kib': $resultBase = $bits / 1024; break; case 'kB': $resultBase = $bits / 1000 / 8; break; case 'kb': $resultBase = $bits / 1000; break; case 'B': $resultBase = $bits / 8; break; case 'b': $resultBase = $bits; break; default: exit("Unit {$targetUnit} is not supported.");}//$resultBase = number_format($resultBase, 0, '', '');echo "{$resultBase}{$targetUnit}";

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)
8.3.60.0100.00718.56
8.3.50.0080.01221.91
8.3.40.0090.00618.97
8.3.30.0000.01419.13
8.3.20.0040.00420.14
8.3.10.0040.00423.84
8.3.00.0030.00519.38
8.2.180.0110.00316.88
8.2.170.0150.00022.96
8.2.160.0120.00320.52
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00422.23
8.2.110.0100.00020.66
8.2.100.0030.00917.83
8.2.90.0060.00318.22
8.2.80.0040.00417.97
8.2.70.0090.00017.75
8.2.60.0050.00318.18
8.2.50.0080.00318.07
8.2.40.0060.00320.07
8.2.30.0040.00418.22
8.2.20.0040.00417.81
8.2.10.0000.00818.12
8.2.00.0060.00317.89
8.1.280.0070.00725.92
8.1.270.0040.00422.16
8.1.260.0070.00326.35
8.1.250.0080.00028.09
8.1.240.0100.00022.32
8.1.230.0090.00320.99
8.1.220.0090.00017.78
8.1.210.0060.00319.08
8.1.200.0030.00617.47
8.1.190.0000.00817.48
8.1.180.0080.00018.10
8.1.170.0000.00818.84
8.1.160.0040.00422.10
8.1.150.0030.00719.04
8.1.140.0050.00317.54
8.1.130.0050.00219.28
8.1.120.0000.00817.49
8.1.110.0030.00617.51
8.1.100.0050.00217.37
8.1.90.0050.00317.37
8.1.80.0000.00817.54
8.1.70.0000.00717.46
8.1.60.0040.00417.56
8.1.50.0000.00817.53
8.1.40.0080.00017.42
8.1.30.0030.00617.69
8.1.20.0000.00717.66
8.1.10.0050.00317.56
8.1.00.0050.00317.50
8.0.300.0070.00020.30
8.0.290.0070.00016.88
8.0.280.0030.00318.47
8.0.270.0030.00317.23
8.0.260.0000.00816.95
8.0.250.0070.00017.02
8.0.240.0050.00316.91
8.0.230.0070.00016.89
8.0.220.0040.00416.95
8.0.210.0060.00317.02
8.0.200.0030.00317.01
8.0.190.0090.00017.00
8.0.180.0040.00417.02
8.0.170.0030.00616.91
8.0.160.0070.00016.98
8.0.150.0000.00816.90
8.0.140.0040.00416.90
8.0.130.0030.00313.37
8.0.120.0040.00416.86
8.0.110.0000.01016.96
8.0.100.0050.00216.85
8.0.90.0030.00516.78
8.0.80.0090.01217.04
8.0.70.0040.00417.00
8.0.60.0000.00716.97
8.0.50.0040.00416.94
8.0.30.0060.01217.12
8.0.20.0150.00817.40
8.0.10.0040.00416.99
8.0.00.0090.00916.93
7.4.330.0000.00515.00
7.4.320.0030.00316.61
7.4.300.0000.00616.54
7.4.290.0000.00716.49
7.4.280.0040.00416.51
7.4.270.0040.00416.59
7.4.260.0000.00716.64
7.4.250.0000.00716.60
7.4.240.0040.00416.58
7.4.230.0030.00316.52
7.4.220.0030.01416.73
7.4.210.0090.00616.41
7.4.200.0000.00716.37
7.4.160.0100.00616.50
7.4.150.0110.00717.40
7.4.140.0110.01017.86
7.4.130.0150.00616.50
7.4.120.0090.00816.64
7.4.110.0120.00616.44
7.4.100.0100.00716.79
7.4.90.0030.01316.68
7.4.80.0070.01619.39
7.4.70.0110.01116.36
7.4.60.0090.00616.51
7.4.50.0040.00416.40
7.4.40.0100.00716.45
7.4.30.0100.01016.46
7.4.00.0070.01014.98
7.3.330.0030.00313.29
7.3.320.0030.00313.12
7.3.310.0000.00716.35
7.3.300.0030.00316.34
7.3.290.0090.00616.38
7.3.280.0050.01316.37
7.3.270.0100.00717.40
7.3.260.0080.00816.38
7.3.250.0140.00416.34
7.3.240.0100.01416.47
7.3.230.0080.00816.47
7.3.210.0100.00716.51
7.3.200.0100.01019.39
7.3.190.0100.00716.48
7.3.180.0120.00916.68
7.3.170.0060.00916.37
7.3.160.0080.00816.39
7.2.330.0070.01016.54
7.2.320.0100.01316.59
7.2.310.0140.00316.61
7.2.300.0060.01116.68
7.2.290.0100.01316.61
7.2.60.0070.01016.80
7.2.00.0040.01119.40
7.1.200.0000.01015.76
7.1.100.0040.00817.83
7.1.70.0000.00816.74
7.1.60.0170.00719.32
7.1.50.0110.01516.76
7.1.00.0070.07322.43
7.0.200.0030.00716.55
7.0.140.0000.07722.01
7.0.100.0100.05020.13
7.0.90.0100.08320.04
7.0.80.0370.07020.05
7.0.70.0000.08320.02
7.0.60.0030.05020.12
7.0.50.0330.09320.45
7.0.40.0100.08720.18
7.0.30.0100.08320.14
7.0.20.0100.08320.11
7.0.10.0100.03720.16
7.0.00.0030.07020.16
5.6.280.0070.07021.09
5.6.250.0100.07720.75
5.6.240.0130.04320.67
5.6.230.0130.06320.70
5.6.220.0100.08320.63
5.6.210.0070.08320.65
5.6.200.0130.06321.08
5.6.190.0200.07021.07
5.6.180.0100.07721.08
5.6.170.0070.08021.01
5.6.160.0030.09321.17
5.6.150.0130.07020.98
5.6.140.0070.08321.09
5.6.130.0070.08021.09
5.6.120.0170.07321.21
5.6.110.0000.08720.92
5.6.100.0070.08320.97
5.6.90.0030.04721.13
5.6.80.0100.07020.45
5.6.70.0100.06720.44
5.6.60.0100.06320.50
5.6.50.0200.05720.51
5.6.40.0070.04320.46
5.6.30.0130.04020.49
5.6.20.0070.05020.43
5.6.10.0100.08320.43
5.6.00.0100.04020.41
5.5.380.0000.08720.61
5.5.370.0030.05020.37
5.5.360.0300.07720.39
5.5.350.0030.05320.43
5.5.340.0130.07020.94
5.5.330.0100.08320.81
5.5.320.0030.08320.97
5.5.310.0070.09020.69
5.5.300.0230.06020.91
5.5.290.0070.07320.84
5.5.280.0100.04720.96
5.5.270.0070.07720.92
5.5.260.0100.09020.92
5.5.250.0130.08020.66
5.5.240.0130.05020.33
5.5.230.0130.07020.04
5.5.220.0100.07320.35
5.5.210.0030.07320.22
5.5.200.0170.06020.29
5.5.190.0230.06720.25
5.5.180.0030.08320.20
5.5.160.0130.07720.22
5.5.150.0100.07320.20
5.5.140.0030.05020.26
5.5.130.0070.04320.17
5.5.120.0070.04320.15
5.5.110.0070.08320.16
5.5.100.0130.07320.23
5.5.90.0130.06720.11
5.5.80.0130.07320.12
5.5.70.0030.05720.11
5.5.60.0100.05720.20
5.5.50.0100.08019.98
5.5.40.0030.04320.14
5.5.30.0030.05720.18
5.5.20.0170.04720.09
5.5.10.0070.07720.08
5.5.00.0130.05020.08
5.4.450.0070.05719.37
5.4.440.0130.08019.37
5.4.430.0070.03719.30
5.4.420.0100.07319.44
5.4.410.0130.04319.31
5.4.400.0100.08019.05
5.4.390.0070.04719.23
5.4.380.0170.05319.10
5.4.370.0100.07019.04
5.4.360.0170.07719.04
5.4.350.0100.07019.09
5.4.340.0100.06318.98
5.4.320.0230.04718.78
5.4.310.0070.07019.07
5.4.300.0070.06318.90
5.4.290.0070.07318.96
5.4.280.0030.05019.07
5.4.270.0100.04018.90
5.4.260.0030.05319.12
5.4.250.0070.07019.05
5.4.240.0030.07719.06
5.4.230.0100.03718.89
5.4.220.0130.04319.06
5.4.210.0130.07019.05
5.4.200.0070.06319.09
5.4.190.0070.06719.11
5.4.180.0130.03719.21
5.4.170.0130.06318.93
5.4.160.0000.04719.09
5.4.150.0070.07718.96
5.4.140.0100.06716.35
5.4.130.0070.04316.28
5.4.120.0070.07016.27
5.4.110.0130.06316.50
5.4.100.0070.07016.32
5.4.90.0100.07016.43
5.4.80.0030.04316.34
5.4.70.0100.06316.45
5.4.60.0030.06016.45
5.4.50.0100.03316.43
5.4.40.0170.05016.23
5.4.30.0100.06316.40
5.4.20.0130.05716.25
5.4.10.0100.06716.38
5.4.00.0100.06715.81

preferences:
46.49 ms | 404 KiB | 6 Q