3v4l.org

run code in 300+ PHP versions simultaneously
<?php function convertFloat($float) { $float = (string)$float; $expPos = strpos($float, 'e'); if ($expPos === false) { return $float; } $beforeDot = '0'; // Well, fuck you my English. $afterDot = ''; // ^^ $numberWithoutPrecision = substr($float, 0, $expPos); $exp = (int)substr($float, $expPos + 1, strlen($float)); if ($exp === 0) { return '1'; } $dotPos = strpos($numberWithoutPrecision, '.'); if ($dotPos === false) { $beforeDot = $numberWithoutPrecision; } else { $beforeDot = substr($numberWithoutPrecision, 0, $dotPos); $afterDot = substr($numberWithoutPrecision, $dotPos + 1, strlen($numberWithoutPrecision)); $afterDot = rtrim($afterDot, '0'); } $beforeDot = ltrim($beforeDot, '0'); if ($exp < 0) { $exp = -$exp; $len = strlen($beforeDot); if ($len <= $exp) { return '0.'.str_repeat('0', $exp - $len).$beforeDot.$afterDot; } else { return substr($beforeDot, 0, $len - $exp).'.'.substr($beforeDot, $len - $exp, $len).$afterDot; } } else { $len = strlen($afterDot); if ($len <= $exp) { return $beforeDot.$afterDot.str_repeat('0', $exp - $len).'i'; } else { return $beforeDot.substr($afterDot, 0, $exp).'.'.substr($afterDot, $exp, $len); } } } //var_dump(convertFloat('11111111111111111111111111111111111111111111111111111111111112e-60')); var_dump(convertFloat('10'));

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)
8.3.40.0120.00318.58
8.3.30.0030.01020.18
8.3.20.0020.00520.16
8.3.10.0080.00021.92
8.3.00.0050.00322.22
8.2.170.0070.00722.96
8.2.160.0030.01020.53
8.2.150.0090.00024.18
8.2.140.0000.00824.66
8.2.130.0110.00426.16
8.2.120.0080.00019.66
8.2.110.0060.00320.52
8.2.100.0080.00317.72
8.2.90.0050.00319.11
8.2.80.0030.00517.97
8.2.70.0030.00617.48
8.2.60.0000.00717.91
8.2.50.0030.00618.07
8.2.40.0040.00418.03
8.2.30.0080.00018.05
8.2.20.0030.00517.64
8.2.10.0000.00817.64
8.2.00.0040.00417.63
8.1.270.0030.00520.34
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0040.00720.61
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0030.00517.30
8.1.180.0040.00418.82
8.1.170.0060.00318.46
8.1.160.0050.00222.18
8.1.150.0000.00818.66
8.1.140.0040.00417.30
8.1.130.0070.00017.91
8.1.120.0000.00717.35
8.1.110.0000.00817.41
8.1.100.0040.00417.47
8.1.90.0040.00417.39
8.1.80.0040.00417.33
8.1.70.0030.00317.49
8.1.60.0040.00417.56
8.1.50.0000.00817.55
8.1.40.0080.00017.56
8.1.30.0000.00717.50
8.1.20.0000.00817.68
8.1.10.0030.00517.55
8.1.00.0050.00317.34
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0000.00818.42
8.0.270.0040.00417.27
8.0.260.0060.00016.79
8.0.250.0030.00316.89
8.0.240.0060.00316.96
8.0.230.0070.00016.82
8.0.220.0000.00816.79
8.0.210.0030.00316.74
8.0.200.0030.00316.96
8.0.190.0000.00816.80
8.0.180.0000.00716.91
8.0.170.0000.00816.80
8.0.160.0040.00416.89
8.0.150.0000.00816.78
8.0.140.0070.00416.87
8.0.130.0030.00313.27
8.0.120.0040.00416.74
8.0.110.0050.00316.87
8.0.100.0040.00416.81
8.0.90.0080.00016.72
8.0.80.0110.00716.82
8.0.70.0040.00416.79
8.0.60.0000.00716.87
8.0.50.0040.00416.89
8.0.30.0120.00717.15
8.0.20.0140.00717.40
8.0.10.0040.00416.98
8.0.00.0140.00616.61
7.4.330.0050.00015.00
7.4.320.0060.00016.68
7.4.300.0060.00016.65
7.4.290.0070.00016.68
7.4.280.0000.00716.61
7.4.270.0050.00316.64
7.4.260.0000.00716.64
7.4.250.0000.00716.52
7.4.240.0000.00716.65
7.4.230.0000.00716.63
7.4.220.0140.00416.63
7.4.210.0040.01216.64
7.4.200.0000.00716.62
7.4.190.0030.00316.71
7.4.160.0150.00316.35
7.4.150.0060.01217.40
7.4.140.0090.01117.86
7.4.130.0070.01216.49
7.4.120.0100.00816.60
7.4.110.0060.01216.76
7.4.100.0130.00616.66
7.4.90.0100.00716.42
7.4.80.0190.00319.39
7.4.70.0060.01616.55
7.4.60.0060.00916.36
7.4.50.0050.00316.30
7.4.40.0100.00622.77
7.4.30.0110.00516.41
7.4.00.0060.01214.80
7.3.330.0000.00513.45
7.3.320.0060.00013.37
7.3.310.0030.00316.37
7.3.300.0000.00716.34
7.3.290.0080.00516.32
7.3.280.0090.00716.39
7.3.270.0120.00817.40
7.3.260.0100.01016.61
7.3.250.0100.01116.30
7.3.240.0120.00616.59
7.3.230.0130.00716.64
7.3.210.0090.00916.56
7.3.200.0120.00619.39
7.3.190.0090.01316.46
7.3.180.0030.01316.64
7.3.170.0100.00616.33
7.3.160.0130.00316.53
7.3.120.0040.01115.10
7.2.330.0030.01316.43
7.2.320.0120.00916.82
7.2.310.0130.00316.38
7.2.300.0030.01316.34
7.2.290.0140.00716.69
7.2.00.0080.00819.29
7.1.100.0080.00817.87
7.1.70.0000.00817.22
7.1.60.0090.01619.40
7.1.50.0100.01316.91
7.1.00.0030.04022.44
7.0.200.0000.00716.70
7.0.140.0030.07721.99
7.0.60.0030.09020.00
7.0.50.0000.08317.86
7.0.40.0130.08020.04
7.0.30.0370.03020.13
7.0.20.0200.05020.26
7.0.10.0330.08320.30
7.0.00.0030.05320.32
5.6.280.0030.07320.98
5.6.210.0130.08320.48
5.6.200.0070.08318.18
5.6.190.0100.08020.82
5.6.180.4170.04020.61
5.6.170.0200.04020.56
5.6.160.0070.03720.50
5.6.150.0030.08018.18
5.6.140.0070.08318.15
5.6.130.0100.05018.20
5.6.120.0030.04721.05
5.6.110.0100.08721.05
5.6.100.0070.08021.16
5.6.90.0030.04321.02
5.6.80.0070.08020.41
5.6.70.0230.07320.41
5.5.350.0100.04020.36
5.5.340.0100.06017.97
5.5.330.0030.05720.19
5.5.320.0270.06320.34
5.5.310.0230.08020.19
5.5.300.0130.07317.95
5.5.290.0030.08017.94
5.5.280.0130.04720.79
5.5.270.0070.03720.81
5.5.260.0130.03720.78
5.5.250.0170.05320.61
5.5.240.0070.07020.17
5.4.450.0800.06719.47
5.4.440.0900.06019.71
5.4.430.0770.06019.15
5.4.420.0570.05719.63
5.4.410.0030.06319.04
5.4.400.1170.07718.84
5.4.390.0930.05718.54
5.4.380.0300.05018.81
5.4.370.0130.05018.73
5.4.360.0130.05018.75
5.4.350.0080.04212.03
5.4.340.0090.04612.03
5.4.320.0100.03412.52
5.4.310.0090.03612.51
5.4.300.0110.03112.52
5.4.290.0040.04012.51
5.4.280.0050.03712.41
5.4.270.0090.03312.41
5.4.260.0030.03912.41
5.4.250.0030.07718.96
5.4.240.0070.07718.96
5.4.230.0200.03718.93
5.4.220.0030.06718.95
5.4.210.0030.06018.90
5.4.200.0170.04719.00
5.4.190.0070.06718.77
5.4.180.0130.04718.82
5.4.170.0070.05318.64
5.4.160.0170.04318.93
5.4.150.0070.05319.01
5.4.140.0100.04716.50
5.4.130.0070.05016.58
5.4.120.0030.05016.58
5.4.110.0130.04316.49
5.4.100.0100.04316.51
5.4.90.0070.04716.61
5.4.80.0170.04016.61
5.4.70.0100.04316.60
5.4.60.0030.05316.62
5.4.50.0070.05016.44
5.4.40.0100.04316.52
5.4.30.0170.04016.34
5.4.20.0030.05016.34
5.4.10.0030.05316.45
5.4.00.0070.05015.76
5.3.290.0040.04112.80
5.3.280.0130.04314.67
5.3.270.0030.06014.80
5.3.260.0100.05314.62
5.3.250.0030.07314.59
5.3.240.0070.05014.76
5.3.230.0030.05014.79
5.3.220.0130.04314.55
5.3.210.0070.05314.74
5.3.200.0100.04714.68
5.3.190.0100.04714.49
5.3.180.0100.04714.41
5.3.170.0030.05314.82
5.3.160.0030.05314.64
5.3.150.0170.04314.67
5.3.140.0070.05014.40
5.3.130.0100.05014.75
5.3.120.0130.05714.54
5.3.110.0100.05014.54
5.3.100.0100.05014.18
5.3.90.0130.05314.05
5.3.80.0070.07314.05
5.3.70.0130.05014.11
5.3.60.0200.05714.02
5.3.50.0100.04714.05
5.3.40.0100.05714.04
5.3.30.0100.05014.14
5.3.20.0130.04713.70
5.3.10.0100.05013.63
5.3.00.0100.04713.66
5.2.170.0030.04311.16
5.2.160.0030.04011.34
5.2.150.0070.04011.24
5.2.140.0100.03711.34
5.2.130.0070.03711.20
5.2.120.0100.03311.11
5.2.110.0030.04011.18
5.2.100.0100.03311.20
5.2.90.0100.03711.12
5.2.80.0070.04011.08
5.2.70.0030.04711.18
5.2.60.0030.04011.26
5.2.50.0170.03010.87
5.2.40.0130.03311.18
5.2.30.0000.04311.21
5.2.20.0000.04311.06
5.2.10.0070.03710.96
5.2.00.0030.04010.81
5.1.60.0130.03710.17
5.1.50.0130.0339.94
5.1.40.0200.0209.95
5.1.30.0000.04010.36
5.1.20.0000.04010.45
5.1.10.0200.04010.15
5.1.00.0070.04710.09
5.0.50.0030.0308.54
5.0.40.0130.0208.64
5.0.30.0030.0408.21
5.0.20.0070.0378.13
5.0.10.0030.0278.29
5.0.00.0070.0508.11
4.4.90.0030.0207.36
4.4.80.0030.0207.36
4.4.70.0000.0237.36
4.4.60.0000.0237.36
4.4.50.0070.0307.36
4.4.40.0030.0307.36
4.4.30.0070.0177.36
4.4.20.0070.0207.36
4.4.10.0070.0177.36
4.4.00.0000.0337.36
4.3.110.0000.0337.36
4.3.100.0030.0237.36
4.3.90.0070.0207.36
4.3.80.0030.0337.36
4.3.70.0100.0137.36
4.3.60.0070.0177.36
4.3.50.0000.0237.36
4.3.40.0030.0307.36
4.3.30.0070.0177.36
4.3.20.0000.0237.36
4.3.10.0000.0237.36
4.3.00.0030.0276.73

preferences:
48.14 ms | 400 KiB | 5 Q