3v4l.org

run code in 300+ PHP versions simultaneously
<?phpif ( ! 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)
8.3.60.0080.00818.30
8.3.50.0150.00521.87
8.3.40.0140.00718.72
8.3.30.0070.00718.92
8.3.20.0040.00420.30
8.3.10.0050.00323.53
8.3.00.0040.00419.26
8.2.180.0070.00716.50
8.2.170.0110.00422.96
8.2.160.0100.00320.38
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.19
8.2.110.0060.00320.44
8.2.100.0000.01117.91
8.2.90.0050.00219.07
8.2.80.0050.00317.97
8.2.70.0050.00517.63
8.2.60.0070.00317.92
8.2.50.0030.00618.07
8.2.40.0040.00417.88
8.2.30.0040.00417.98
8.2.20.0040.00417.45
8.2.10.0000.00717.98
8.2.00.0040.00417.58
8.1.280.0090.00625.92
8.1.270.0090.00022.06
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0060.00323.84
8.1.230.0040.00719.12
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0000.01017.10
8.1.190.0000.00817.11
8.1.180.0070.00018.10
8.1.170.0030.00618.42
8.1.160.0050.00221.96
8.1.150.0070.00318.72
8.1.140.0040.00417.18
8.1.130.0030.00317.70
8.1.120.0040.00417.31
8.1.110.0050.00317.27
8.1.100.0040.00417.24
8.1.90.0040.00417.35
8.1.80.0020.00517.20
8.1.70.0000.00817.32
8.1.60.0040.00417.44
8.1.50.0040.00417.33
8.1.40.0080.00017.27
8.1.30.0040.00417.46
8.1.20.0000.00817.47
8.1.10.0070.00017.43
8.1.00.0030.00517.38
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0000.00718.28
8.0.270.0030.00517.16
8.0.260.0030.00317.08
8.0.250.0000.00616.71
8.0.240.0050.00316.82
8.0.230.0040.00416.77
8.0.220.0060.00016.65
8.0.210.0000.00716.75
8.0.200.0030.00316.79
8.0.190.0030.00916.69
8.0.180.0040.00416.81
8.0.170.0040.00416.65
8.0.160.0030.00316.72
8.0.150.0000.00716.58
8.0.140.0030.00416.77
8.0.130.0000.00513.40
8.0.120.0080.00016.68
8.0.110.0000.00916.76
8.0.100.0040.00416.76
8.0.90.0000.00716.81
8.0.80.0110.01116.78
8.0.70.0040.00416.62
8.0.60.0050.00316.79
8.0.50.0000.00716.70
8.0.30.0090.01016.88
8.0.20.0080.01117.40
8.0.10.0000.00716.72
8.0.00.0090.00916.62
7.4.330.0050.00015.00
7.4.320.0030.00316.38
7.4.300.0030.00316.21
7.4.290.0030.00316.36
7.4.280.0050.00316.48
7.4.270.0070.00016.37
7.4.260.0050.00516.29
7.4.250.0000.00716.46
7.4.240.0020.00516.39
7.4.230.0060.00016.25
7.4.220.0110.01116.50
7.4.210.0040.01116.32
7.4.200.0000.00716.46
7.4.160.0060.00916.38
7.4.150.0150.00317.40
7.4.140.0150.00617.86
7.4.130.0120.00516.44
7.4.120.0060.01116.32
7.4.110.0100.00716.64
7.4.100.0100.01316.27
7.4.90.0070.01016.24
7.4.80.0130.00319.39
7.4.70.0070.01316.45
7.4.60.0160.00016.45
7.4.50.0030.00516.18
7.4.40.0090.00616.13
7.4.30.0090.00616.50
7.3.330.0030.00313.18
7.3.320.0030.00313.19
7.3.310.0040.00416.21
7.3.300.0000.00715.98
7.3.290.0120.00316.11
7.3.280.0090.00616.14
7.3.270.0070.01417.40
7.3.260.0100.00716.21
7.3.250.0080.00816.39
7.3.240.0130.00316.10
7.3.230.0110.00616.39
7.3.210.0070.01016.21
7.3.200.0120.00619.39
7.3.190.0070.01016.05
7.3.180.0100.00716.46
7.3.170.0150.00016.27
7.3.160.0060.01516.25
7.2.330.0090.00916.24
7.2.320.0130.00916.37
7.2.310.0060.01016.59
7.2.300.0070.01416.29
7.2.290.0060.01216.34
5.4.340.0060.03412.01
5.4.320.0100.03212.46
5.4.310.0050.03812.45
5.4.300.0100.03212.46
5.4.290.0080.03512.45
5.4.280.0070.03412.35
5.4.270.0070.03412.35
5.4.260.0070.03612.35
5.4.250.0070.03712.35
5.4.240.0040.03812.35
5.4.230.0060.03812.34
5.4.220.0070.03512.34
5.4.210.0080.03312.35
5.4.200.0060.03712.35
5.4.190.0090.03312.34
5.4.180.0040.03712.34
5.4.170.0070.03512.36
5.4.160.0040.03812.35
5.4.150.0070.03512.34
5.4.140.0030.03912.03
5.4.130.0060.03512.02
5.4.120.0070.03711.98
5.4.110.0060.03711.97
5.4.100.0080.03211.97
5.4.90.0050.03711.96
5.4.80.0060.03611.96
5.4.70.0050.03511.96
5.4.60.0040.03611.96
5.4.50.0060.03411.96
5.4.40.0050.03511.95
5.4.30.0040.03711.95
5.4.20.0060.03511.95
5.4.10.0040.03711.95
5.4.00.0030.03811.44

preferences:
38.02 ms | 401 KiB | 5 Q