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.e0'));

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)
8.3.60.0170.00318.15
8.3.50.0070.00721.08
8.3.40.0140.00018.85
8.3.30.0070.01020.17
8.3.20.0050.00220.21
8.3.10.0040.00421.95
8.3.00.0070.00022.39
8.2.180.0090.00616.50
8.2.170.0080.00622.96
8.2.160.0030.01020.38
8.2.150.0080.00024.18
8.2.140.0080.01124.66
8.2.130.0000.00826.16
8.2.120.0080.00019.54
8.2.110.0060.00322.10
8.2.100.0080.00319.19
8.2.90.0000.00818.92
8.2.80.0080.00019.34
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0040.00418.05
8.2.30.0060.00318.00
8.2.20.0080.00017.68
8.2.10.0000.00717.73
8.2.00.0000.00817.83
8.1.280.0100.01025.92
8.1.270.0080.00420.27
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0050.00523.83
8.1.230.0080.00419.17
8.1.220.0120.00017.74
8.1.210.0030.00518.77
8.1.200.0070.00317.23
8.1.190.0050.00317.41
8.1.180.0040.00418.85
8.1.170.0040.00418.60
8.1.160.0000.00722.16
8.1.150.0080.00018.67
8.1.140.0000.00817.49
8.1.130.0000.00717.82
8.1.120.0040.00417.40
8.1.110.0040.00417.46
8.1.100.0020.00517.35
8.1.90.0000.00717.47
8.1.80.0040.00417.45
8.1.70.0030.00317.38
8.1.60.0040.00417.55
8.1.50.0040.00417.52
8.1.40.0090.00017.52
8.1.30.0040.00417.61
8.1.20.0050.00317.65
8.1.10.0060.00317.57
8.1.00.0100.00017.44
8.0.300.0000.00718.77
8.0.290.0000.00817.05
8.0.280.0000.00718.33
8.0.270.0000.00717.10
8.0.260.0030.00316.67
8.0.250.0000.00716.92
8.0.240.0000.00816.80
8.0.230.0040.00416.93
8.0.220.0040.00316.89
8.0.210.0040.00416.87
8.0.200.0000.00716.93
8.0.190.0060.00316.94
8.0.180.0000.00716.89
8.0.170.0040.00416.91
8.0.160.0070.00016.92
8.0.150.0000.00816.91
8.0.140.0060.00316.82
8.0.130.0000.00513.35
8.0.120.0040.00416.74
8.0.110.0040.00416.91
8.0.100.0030.00516.70
8.0.90.0040.00416.74
8.0.80.0090.00616.81
8.0.70.0040.00416.70
8.0.60.0060.00316.75
8.0.50.0040.00416.81
8.0.30.0130.00517.33
8.0.20.0140.00417.40
8.0.10.0000.00816.91
8.0.00.0090.00916.73
7.4.330.0020.00215.00
7.4.320.0060.00016.46
7.4.300.0030.00316.64
7.4.290.0000.00716.40
7.4.280.0000.00616.46
7.4.270.0030.00316.56
7.4.260.0000.00816.54
7.4.250.0000.00816.60
7.4.240.0050.00316.69
7.4.230.0040.00416.34
7.4.220.0090.00916.44
7.4.210.0070.00916.62
7.4.200.0040.00416.42
7.4.190.0030.00316.71
7.4.160.0080.00816.55
7.4.150.0190.00717.40
7.4.140.0120.01217.86
7.4.130.0080.01016.63
7.4.120.0070.01016.60
7.4.110.0110.01116.65
7.4.100.0040.02016.52
7.4.90.0100.00716.51
7.4.80.0120.00619.39
7.4.70.0060.01616.56
7.4.60.0170.00016.67
7.4.50.0000.00516.41
7.4.40.0060.00622.77
7.4.30.0110.00716.64
7.4.00.0070.00715.09
7.3.330.0030.00313.38
7.3.320.0000.00513.22
7.3.310.0040.00416.28
7.3.300.0030.00316.22
7.3.290.0070.00716.39
7.3.280.0070.00816.36
7.3.270.0150.00917.40
7.3.260.0070.01016.32
7.3.250.0100.00816.38
7.3.240.0120.00616.38
7.3.230.0080.01516.54
7.3.210.0130.01016.50
7.3.200.0030.01319.39
7.3.190.0140.00716.65
7.3.180.0100.01016.36
7.3.170.0060.01016.40
7.3.160.0100.00716.55
7.3.120.0140.00015.06
7.3.110.0030.01014.75
7.3.100.0060.00614.73
7.3.90.0030.00714.81
7.3.80.0060.00614.80
7.3.70.0060.00314.84
7.3.60.0030.01014.78
7.3.50.0060.01014.80
7.3.40.0040.00814.82
7.3.30.0030.01014.90
7.3.20.0070.00716.74
7.3.10.0080.00916.48
7.3.00.0040.00716.38
7.2.330.0070.01016.41
7.2.320.0070.01616.70
7.2.310.0100.00716.58
7.2.300.0000.01816.82
7.2.290.0140.00316.64
7.2.240.0030.01014.91
7.2.230.0060.00315.12
7.2.220.0030.00914.57
7.2.210.0060.00914.87
7.2.200.0000.01315.13
7.2.190.0040.00715.00
7.2.180.0060.00615.02
7.2.170.0040.01115.16
7.2.160.0000.01415.05
7.2.150.0100.00717.02
7.2.140.0120.00016.79
7.2.130.0040.00916.74
7.2.120.0050.01116.73
7.2.110.0060.00816.84
7.2.100.0130.00816.89
7.2.90.0100.00616.87
7.2.80.0030.01116.71
7.2.70.0070.00716.75
7.2.60.0020.01416.91
7.2.50.0060.01016.79
7.2.40.0020.01516.75
7.2.30.0070.00716.87
7.2.20.0030.00916.85
7.2.10.0000.01216.95
7.2.00.0040.00717.60
7.1.330.0030.01315.99
7.1.320.0040.00415.64
7.1.310.0000.01215.73
7.1.300.0040.00415.69
7.1.290.0060.00615.79
7.1.280.0000.00715.86
7.1.270.0030.00615.91
7.1.260.0070.00715.96
7.1.250.0080.00815.84
7.1.100.0090.00618.34
7.1.70.0000.00716.93
7.1.60.0090.01219.40
7.1.50.0110.01116.96
7.1.00.0030.07022.44
7.0.200.0040.00416.86
7.0.140.0000.07021.95
7.0.60.0100.07020.02
7.0.50.0030.04717.88
7.0.40.0070.05020.22
7.0.30.0270.08020.24
7.0.20.0330.07320.21
7.0.10.0200.08320.33
7.0.00.0070.09020.16
5.6.280.0000.07720.88
5.6.210.0070.08020.64
5.6.200.0070.07018.29
5.6.190.0070.05720.60
5.6.180.0030.08320.46
5.6.170.0200.04020.59
5.6.160.0030.04020.71
5.6.150.0100.07718.28
5.6.140.0030.08718.18
5.6.130.0070.05718.19
5.6.120.0070.07320.99
5.6.110.0070.05721.00
5.6.100.0030.09320.99
5.6.90.0000.08720.96
5.6.80.0000.05720.41
5.6.70.0170.07720.49
5.5.350.0170.05320.54
5.5.340.0130.06318.02
5.5.330.0100.06320.29
5.5.320.0270.06720.24
5.5.310.0370.06320.35
5.5.300.0100.08018.01
5.5.290.0100.07317.98
5.5.280.0070.05321.00
5.5.270.0030.05020.88
5.5.260.0130.07720.78
5.5.250.0000.08720.48
5.5.240.0030.07720.21
5.4.450.2900.04019.34
5.4.440.0000.04319.53
5.4.430.0600.04019.43
5.4.420.3230.04019.49
5.4.410.3570.03719.41
5.4.400.2930.04319.12
5.4.390.4170.03318.94
5.4.380.3400.03319.21
5.4.370.3630.03718.95
5.4.360.3370.03318.94
5.4.350.3730.04319.21
5.4.340.3770.04318.93
5.4.320.3770.04019.21
5.4.310.3570.03318.98
5.4.300.3800.04019.17
5.4.290.3700.03718.97
5.4.280.3930.04018.94
5.4.270.3570.04019.14
5.4.260.3900.04019.17
5.4.250.3630.03319.08
5.4.240.3700.04019.11
5.4.230.3500.03319.21
5.4.220.3170.04019.01
5.4.210.3570.03318.94
5.4.200.3470.04319.21
5.4.190.4300.03719.14
5.4.180.3630.04018.97
5.4.170.3770.03719.11
5.4.160.3430.04319.13
5.4.150.3800.04019.11
5.4.140.5130.03316.52
5.4.130.3470.03716.42
5.4.120.4000.02716.49
5.4.110.3300.03316.33
5.4.100.2930.03716.45
5.4.90.3670.04016.26
5.4.80.2830.04016.52
5.4.70.3630.03716.50
5.4.60.3070.03016.50
5.4.50.2730.02716.45
5.4.40.3870.03716.47
5.4.30.3730.03316.38
5.4.20.3870.03316.44
5.4.10.0000.07316.50
5.4.00.0030.08315.93
5.3.290.3430.04014.57
5.3.280.3600.03314.68
5.3.270.3670.04314.70
5.3.260.3830.04314.65
5.3.250.3500.03714.62
5.3.240.3670.03714.54
5.3.230.3630.04014.66
5.3.220.4030.03014.61
5.3.210.3530.04014.62
5.3.200.3730.04314.50
5.3.190.3930.03714.62
5.3.180.3630.03314.73
5.3.170.2970.04014.58
5.3.160.2800.04014.58
5.3.150.2830.03314.65
5.3.140.3930.03714.60
5.3.130.3930.03714.48
5.3.120.3830.04014.58
5.3.110.3130.03714.56
5.3.100.0100.06314.07
5.3.90.3000.04314.07
5.3.80.4470.03314.00
5.3.70.4700.03314.11
5.3.60.4670.03014.04
5.3.50.4170.04013.99
5.3.40.3670.03713.98
5.3.30.4870.04313.82
5.3.20.3530.03313.67
5.3.10.3770.03713.70
5.3.00.3770.03313.68
5.2.170.3130.03011.11
5.2.160.3430.02711.18
5.2.150.3270.02711.31
5.2.140.3230.02711.12
5.2.130.3270.03311.12
5.2.120.2730.03011.20
5.2.110.3330.02711.07
5.2.100.3670.03711.12
5.2.90.3100.02711.03
5.2.80.1830.03711.11
5.2.70.0070.06711.12
5.2.60.0030.05311.04
5.2.50.0030.06310.99
5.2.40.2570.02711.02
5.2.30.1900.03711.02
5.2.20.0630.04710.98
5.2.10.1800.03010.93
5.2.00.2170.03010.79
5.1.60.1800.01710.00
5.1.50.1930.0209.98
5.1.40.2470.02710.02
5.1.30.1600.02010.35
5.1.20.1800.03010.43
5.1.10.1600.02710.06
5.1.00.1200.02310.23
5.0.50.0570.0208.48
5.0.40.0570.0178.42
5.0.30.0470.0308.20
5.0.20.0470.0208.25
5.0.10.1000.0178.26
5.0.00.0370.0308.19
4.4.90.0070.0275.81
4.4.80.0000.0405.87
4.4.70.0670.0135.84
4.4.60.1070.0175.90
4.4.50.1270.0135.84
4.4.40.0930.0275.84
4.4.30.0730.0135.80
4.4.20.1000.0175.91
4.4.10.0470.0135.86
4.4.00.0400.0235.85
4.3.110.0300.0135.79
4.3.100.0570.0175.81
4.3.90.0530.0175.74
4.3.80.1030.0235.74
4.3.70.0470.0135.75
4.3.60.0700.0135.71
4.3.50.0870.0175.79
4.3.40.1200.0275.74
4.3.30.0330.0135.63
4.3.20.0330.0175.63
4.3.10.0630.0135.63
4.3.00.0070.0135.63

preferences:
42.91 ms | 401 KiB | 5 Q