3v4l.org

run code in 300+ PHP versions simultaneously
<?php function convertFloat($float) { $float = strtolower((string)$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('1.20E-1'));

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)
8.3.60.0090.00618.43
8.3.50.0110.00921.02
8.3.40.0070.00718.65
8.3.30.0070.00720.17
8.3.20.0080.00020.21
8.3.10.0000.00821.84
8.3.00.0080.00022.40
8.2.180.0100.00716.32
8.2.170.0070.00722.96
8.2.160.0030.01022.08
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0070.00726.16
8.2.120.0050.00319.77
8.2.110.0090.00022.13
8.2.100.0040.00719.39
8.2.90.0040.00419.28
8.2.80.0050.00319.13
8.2.70.0050.00317.47
8.2.60.0050.00317.93
8.2.50.0060.00318.07
8.2.40.0050.00318.22
8.2.30.0030.00519.79
8.2.20.0040.00417.76
8.2.10.0040.00417.68
8.2.00.0040.00417.89
8.1.280.0110.00425.92
8.1.270.0070.01320.32
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00318.57
8.1.230.0060.00619.16
8.1.220.0030.00617.77
8.1.210.0040.00418.77
8.1.200.0100.00017.35
8.1.190.0040.00417.53
8.1.180.0040.00418.87
8.1.170.0060.00318.58
8.1.160.0040.00422.19
8.1.150.0070.00018.74
8.1.140.0050.00317.36
8.1.130.0030.00317.93
8.1.120.0000.00717.54
8.1.110.0070.00017.45
8.1.100.0070.00017.54
8.1.90.0000.00817.47
8.1.80.0000.00717.38
8.1.70.0000.00717.35
8.1.60.0050.00317.61
8.1.50.0060.00317.57
8.1.40.0030.00517.59
8.1.30.0000.00817.66
8.1.20.0040.00417.63
8.1.10.0000.00717.45
8.1.00.0060.00317.53
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0000.00818.48
8.0.270.0040.00417.29
8.0.260.0000.00716.78
8.0.250.0030.00316.93
8.0.240.0040.00416.88
8.0.230.0000.00717.00
8.0.220.0040.00416.89
8.0.210.0070.00016.93
8.0.200.0000.00616.92
8.0.190.0070.00016.97
8.0.180.0050.00216.95
8.0.170.0030.00516.85
8.0.160.0030.00316.97
8.0.150.0030.00516.88
8.0.140.0000.00816.79
8.0.130.0030.00313.37
8.0.120.0030.00616.89
8.0.110.0040.00416.91
8.0.100.0070.00016.88
8.0.90.0000.00716.99
8.0.80.0030.01316.95
8.0.70.0040.00416.93
8.0.60.0070.00016.83
8.0.50.0000.00716.81
8.0.30.0120.00616.84
8.0.20.0120.00817.40
8.0.10.0040.00416.94
8.0.00.0050.01216.77
7.4.330.0030.00315.00
7.4.320.0070.00016.55
7.4.300.0070.00016.64
7.4.290.0070.00016.45
7.4.280.0040.00416.46
7.4.270.0040.00416.55
7.4.260.0000.00816.63
7.4.250.0000.00816.63
7.4.240.0010.00616.61
7.4.230.0070.00016.29
7.4.220.0070.01016.65
7.4.210.0080.00716.57
7.4.200.0030.00516.38
7.4.190.0040.00416.63
7.4.160.0040.01716.54
7.4.150.0120.00617.40
7.4.140.0150.00517.86
7.4.130.0110.00716.68
7.4.120.0080.00916.48
7.4.110.0120.00616.43
7.4.100.0090.00916.55
7.4.90.0170.00316.53
7.4.80.0060.01619.39
7.4.70.0130.01016.70
7.4.60.0120.00316.51
7.4.50.0040.00016.42
7.4.40.0070.00722.77
7.4.30.0130.01316.48
7.4.00.0140.00015.18
7.3.330.0000.00613.15
7.3.320.0060.00013.23
7.3.310.0070.00016.40
7.3.300.0030.00316.25
7.3.290.0110.00316.43
7.3.280.0080.00916.40
7.3.270.0030.01317.40
7.3.260.0100.01016.80
7.3.250.0080.00916.46
7.3.240.0110.01216.40
7.3.230.0030.01316.39
7.3.210.0080.00816.45
7.3.200.0110.00619.39
7.3.190.0060.01316.66
7.3.180.0100.00716.50
7.3.170.0060.01616.39
7.3.160.0030.01416.24
7.3.120.0030.01314.93
7.2.330.0130.00316.69
7.2.320.0090.01216.77
7.2.310.0090.00716.77
7.2.300.0110.00516.70
7.2.290.0070.01016.68
7.2.00.0040.00819.18
7.1.100.0040.01517.91
7.1.70.0090.00317.26
7.1.60.0070.01719.40
7.1.50.0030.01716.95
7.1.00.0070.07022.46
7.0.200.0070.00716.88
7.0.140.0070.07022.04
7.0.60.0030.08319.80
7.0.50.0000.06317.73
7.0.40.0030.04320.18
7.0.30.0270.07320.16
7.0.20.0300.07020.15
7.0.10.0070.08720.10
7.0.00.0130.07720.06
5.6.280.0030.07321.12
5.6.210.0070.05720.61
5.6.200.0070.06718.18
5.6.190.0000.05320.63
5.6.180.0230.05020.77
5.6.170.0270.08020.56
5.6.160.0170.07720.48
5.6.150.0130.07718.14
5.6.140.0000.06018.16
5.6.130.0030.04018.19
5.6.120.0070.08320.91
5.6.110.0070.06021.03
5.6.100.0070.08320.99
5.6.90.0170.06320.96
5.6.80.0030.04320.37
5.6.70.4470.03720.41
5.5.350.0100.07720.42
5.5.340.0100.08318.09
5.5.330.0100.07720.13
5.5.320.0100.05720.51
5.5.310.0170.04320.33
5.5.300.0030.07717.98
5.5.290.0100.03717.95
5.5.280.0030.04720.82
5.5.270.0030.04020.80
5.5.260.0130.07020.88
5.5.250.0030.08020.63
5.5.240.0070.07320.17
5.4.450.1870.04019.19
5.4.440.1530.04319.16
5.4.430.1730.04319.47
5.4.420.1800.04719.46
5.4.410.1900.03719.29
5.4.400.1730.03718.84
5.4.390.1900.04019.24
5.4.380.1800.05019.15
5.4.370.1870.03319.02
5.4.360.0330.05719.14
5.4.350.0000.04719.19
5.4.340.0030.06319.08
5.4.320.0570.04319.31
5.4.310.1670.03318.87
5.4.300.0330.03019.22
5.4.290.0030.04019.09
5.4.280.0200.03719.21
5.4.270.1470.04018.94
5.4.260.1630.03719.08
5.4.250.1400.03019.18
5.4.240.1570.03719.07
5.4.230.1670.04019.18
5.4.220.1430.04318.95
5.4.210.1730.04319.21
5.4.200.1500.03318.95
5.4.190.1500.04318.82
5.4.180.1900.04319.15
5.4.170.1300.03718.94
5.4.160.1470.04019.22
5.4.150.1700.03019.11
5.4.140.1670.03716.46
5.4.130.1470.04316.45
5.4.120.1600.03016.35
5.4.110.1170.03716.40
5.4.100.1370.02716.57
5.4.90.1500.04016.45
5.4.80.1570.04016.25
5.4.70.1530.03316.52
5.4.60.1700.02716.53
5.4.50.1600.03316.43
5.4.40.1370.03716.34
5.4.30.1430.03316.34
5.4.20.1630.04016.36
5.4.10.0330.04716.33
5.4.00.0000.03715.90
5.3.290.0070.03714.78
5.3.280.1100.03714.52
5.3.270.1630.03314.54
5.3.260.1570.03714.84
5.3.250.1600.03714.64
5.3.240.1600.04014.63
5.3.230.1630.04314.66
5.3.220.1900.03714.59
5.3.210.1830.03314.73
5.3.200.1800.04014.81
5.3.190.1600.03314.51
5.3.180.1670.04014.66
5.3.170.1830.03014.48
5.3.160.1800.04314.59
5.3.150.1730.05014.49
5.3.140.1600.03714.80
5.3.130.1800.04014.49
5.3.120.1770.04014.55
5.3.110.1800.04714.46
5.3.100.1800.04314.05
5.3.90.1970.04714.02
5.3.80.1770.04314.04
5.3.70.1930.03714.28
5.3.60.1600.03013.93
5.3.50.1800.04014.05
5.3.40.1770.04714.05
5.3.30.1900.03714.06
5.3.20.1600.03313.71
5.3.10.1630.03313.58
5.3.00.1730.04713.65
5.2.170.1330.03011.09
5.2.160.1300.03011.39
5.2.150.1530.04011.31
5.2.140.1470.03311.39
5.2.130.1530.04011.08
5.2.120.1270.03311.02
5.2.110.1600.03711.04
5.2.100.1230.02711.21
5.2.90.0070.05311.02
5.2.80.0030.03311.36
5.2.70.0000.04011.23
5.2.60.1430.03310.98
5.2.50.1400.04010.95
5.2.40.1270.03010.94
5.2.30.1270.03710.89
5.2.20.0970.03310.95
5.2.10.1300.04010.80
5.2.00.1070.03010.72
5.1.60.1070.0239.90
5.1.50.1230.0279.91
5.1.40.1030.02010.15
5.1.30.1270.03310.25
5.1.20.1230.03710.38
5.1.10.1070.03310.06
5.1.00.1270.02310.01
5.0.50.0600.0278.65
5.0.40.0600.0308.66
5.0.30.0030.0338.31
5.0.20.0030.0378.31
5.0.10.0000.0238.20
5.0.00.0000.0578.28
4.4.90.0000.0237.72
4.4.80.0100.0207.72
4.4.70.0100.0307.72
4.4.60.0100.0237.72
4.4.50.0600.0177.72
4.4.40.0630.0307.72
4.4.30.0570.0137.72
4.4.20.0570.0177.72
4.4.10.0600.0177.72
4.4.00.0470.0377.72
4.3.110.0630.0207.72
4.3.100.0630.0177.72
4.3.90.0570.0207.72
4.3.80.0630.0277.72
4.3.70.0700.0137.72
4.3.60.0570.0207.72
4.3.50.0630.0137.72
4.3.40.0730.0337.72
4.3.30.0330.0307.72
4.3.20.0270.0177.72
4.3.10.0300.0207.72
4.3.00.0270.0177.72

preferences:
46.39 ms | 401 KiB | 5 Q