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'); var_dump($exp); if ($exp < 0) { $len = strlen($beforeDot); if ($len <= $exp) { return '0.'.str_repeat('0', $len - $exp).$beforeDot.$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, $exp, strlen($afterDot)); } } } var_dump(convertFloat('1.1111111111111111111111111111111111111111111111111111111111112e-60'));

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)
8.3.40.0120.00318.71
8.3.30.0030.01020.17
8.3.20.0040.00420.13
8.3.10.0080.00022.09
8.3.00.0050.00222.37
8.2.170.0130.00322.96
8.2.160.0070.00720.28
8.2.150.0080.00024.18
8.2.140.0080.00824.66
8.2.130.0110.00426.16
8.2.120.0040.00419.65
8.2.110.0070.00322.16
8.2.100.0090.00317.72
8.2.90.0090.00018.03
8.2.80.0050.00317.97
8.2.70.0000.00917.49
8.2.60.0080.00017.80
8.2.50.0040.00418.09
8.2.40.0080.00020.46
8.2.30.0040.00418.05
8.2.20.0000.00717.56
8.2.10.0000.00817.75
8.2.00.0050.00317.78
8.1.270.0030.00620.23
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0040.00720.96
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0000.00818.57
8.1.160.0040.00422.64
8.1.150.0050.00318.54
8.1.140.0090.00017.41
8.1.130.0000.00717.76
8.1.120.0040.00417.43
8.1.110.0000.00717.35
8.1.100.0040.00417.43
8.1.90.0000.00817.38
8.1.80.0060.00317.52
8.1.70.0000.00717.38
8.1.60.0000.00817.49
8.1.50.0050.00317.55
8.1.40.0030.00617.54
8.1.30.0000.00717.63
8.1.20.0080.00017.61
8.1.10.0000.00717.51
8.1.00.0000.00917.34
8.0.300.0070.00020.16
8.0.290.0070.00016.63
8.0.280.0050.00318.29
8.0.270.0030.00317.27
8.0.260.0030.00316.80
8.0.250.0000.00716.94
8.0.240.0040.00416.93
8.0.230.0070.00016.94
8.0.220.0000.00716.82
8.0.210.0030.00316.86
8.0.200.0030.00516.93
8.0.190.0060.00316.88
8.0.180.0070.00016.91
8.0.170.0000.00816.88
8.0.160.0030.00316.90
8.0.150.0050.00316.71
8.0.140.0040.00716.73
8.0.130.0000.00613.23
8.0.120.0000.00816.84
8.0.110.0050.00316.70
8.0.100.0000.00716.76
8.0.90.0000.00816.77
8.0.80.0030.01316.83
8.0.70.0080.00016.92
8.0.60.0070.00016.74
8.0.50.0000.00716.86
8.0.30.0110.00817.19
8.0.20.0090.01117.40
8.0.10.0000.00717.03
8.0.00.0060.01416.76
7.4.330.0020.00215.00
7.4.320.0030.00316.48
7.4.300.0040.00416.51
7.4.290.0030.00316.63
7.4.280.0070.00016.52
7.4.270.0030.00316.46
7.4.260.0000.00716.41
7.4.250.0040.00416.58
7.4.240.0070.00016.65
7.4.230.0000.00716.42
7.4.220.0130.00716.65
7.4.210.0070.00716.59
7.4.200.0000.00816.56
7.4.190.0000.00716.70
7.4.160.0130.01016.74
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0060.01216.36
7.4.120.0120.00716.52
7.4.110.0100.00716.38
7.4.100.0090.01216.56
7.4.90.0090.00916.77
7.4.80.0140.01019.39
7.4.70.0140.00416.54
7.4.60.0030.01316.57
7.4.50.0040.00416.38
7.4.40.0070.01122.77
7.4.30.0080.01316.59
7.4.00.0120.00314.80
7.3.330.0030.00313.38
7.3.320.0000.00613.37
7.3.310.0040.00416.20
7.3.300.0000.00716.40
7.3.290.0060.00816.38
7.3.280.0090.00916.39
7.3.270.0100.00717.40
7.3.260.0070.01116.37
7.3.250.0110.00616.43
7.3.240.0160.00616.61
7.3.230.0160.00616.44
7.3.210.0160.00716.59
7.3.200.0120.00619.39
7.3.190.0060.01616.38
7.3.180.0130.00816.46
7.3.170.0050.01116.43
7.3.160.0070.01116.52
7.3.120.0100.00714.77
7.2.330.0060.01116.47
7.2.320.0030.01516.59
7.2.310.0070.01116.45
7.2.300.0130.00616.44
7.2.290.0090.00916.64
7.2.00.0090.00618.93
7.1.100.0070.01018.13
7.1.70.0030.01017.34
7.1.60.0060.01919.40
7.1.50.0120.00917.09
7.1.00.0070.05722.45
7.0.200.0000.01016.52
7.0.140.0000.08022.04
7.0.60.0000.04319.88
7.0.50.0070.05718.00
7.0.40.0070.06020.26
7.0.30.0300.04020.21
7.0.20.0270.03720.07
7.0.10.0070.05020.23
7.0.00.0100.06320.22
5.6.280.0070.07020.83
5.6.210.0070.08020.50
5.6.200.0100.03718.17
5.6.190.0100.08020.46
5.6.180.0330.07320.58
5.6.170.0370.06320.56
5.6.160.0070.03720.54
5.6.150.0130.07318.18
5.6.140.0070.08018.18
5.6.130.0130.07718.23
5.6.120.0070.08321.00
5.6.110.0070.08720.98
5.6.100.0070.03721.02
5.6.90.0070.08721.14
5.6.80.0100.07020.45
5.6.70.4670.03720.52
5.5.350.0300.07320.39
5.5.340.0100.04318.02
5.5.330.0130.04720.19
5.5.320.0370.07320.24
5.5.310.0200.07020.39
5.5.300.0130.07717.97
5.5.290.0030.08317.93
5.5.280.0100.05720.88
5.5.270.0130.07720.99
5.5.260.0100.08320.88
5.5.250.0100.08020.50
5.5.240.0300.03020.30
5.4.450.3530.04019.46
5.4.440.3930.04019.50
5.4.430.3930.03019.45
5.4.420.3500.04019.25
5.4.410.3730.03719.30
5.4.400.3700.03719.05
5.4.390.3800.03319.13
5.4.380.4070.03719.27
5.4.370.3500.04019.26
5.4.360.3800.03719.26
5.4.350.3600.03019.22
5.4.340.4500.04019.13
5.4.320.3470.03719.13
5.4.310.3470.03719.13
5.4.300.0300.04019.25
5.4.290.0100.03019.04
5.4.280.0000.04018.93
5.4.270.3330.03319.23
5.4.260.3530.04019.12
5.4.250.3570.03019.04
5.4.240.3070.03319.22
5.4.230.3530.03718.96
5.4.220.3600.03719.14
5.4.210.3800.04318.98
5.4.200.3530.03319.20
5.4.190.4830.03018.96
5.4.180.0000.08318.92
5.4.170.3670.03719.25
5.4.160.4370.03719.11
5.4.150.4070.03319.21
5.4.140.4270.03716.52
5.4.130.4470.03016.41
5.4.120.3970.03316.40
5.4.110.4670.03016.48
5.4.100.4530.03716.46
5.4.90.4230.03316.45
5.4.80.4330.03716.21
5.4.70.4200.03716.50
5.4.60.3530.03316.30
5.4.50.3630.03316.23
5.4.40.3630.03316.33
5.4.30.3770.03716.50
5.4.20.3770.04016.43
5.4.10.3570.03716.41
5.4.00.4430.03315.89
5.3.290.3800.05014.68
5.3.280.4070.04014.66
5.3.270.0070.07014.62
5.3.260.3830.03714.54
5.3.250.4270.04314.64
5.3.240.4470.03714.67
5.3.230.4230.03714.63
5.3.220.3630.03714.65
5.3.210.4430.03714.60
5.3.200.4500.04314.59
5.3.190.4470.05014.59
5.3.180.4600.03714.65
5.3.170.4200.03714.57
5.3.160.3670.04314.61
5.3.150.3770.04014.46
5.3.140.3470.04314.60
5.3.130.3800.04314.61
5.3.120.3900.03714.45
5.3.110.3670.03714.73
5.3.100.3900.03714.07
5.3.90.4070.03314.19
5.3.80.4370.03314.04
5.3.70.4970.03314.06
5.3.60.3870.03314.05
5.3.50.3730.03314.13
5.3.40.3900.04014.02
5.3.30.3770.03713.87
5.3.20.3800.03713.88
5.3.10.3500.03313.62
5.3.00.3630.03713.68
5.2.170.3270.02711.24
5.2.160.3330.03311.18
5.2.150.2830.03011.14
5.2.140.3300.03011.16
5.2.130.3130.03011.13
5.2.120.3270.02711.09
5.2.110.3570.02711.27
5.2.100.3270.03311.12
5.2.90.3430.03011.17
5.2.80.3830.02311.16
5.2.70.3930.02311.07
5.2.60.3830.03311.14
5.2.50.3670.03011.04
5.2.40.2700.03310.98
5.2.30.2400.03011.02
5.2.20.2930.03310.98
5.2.10.3030.02310.93
5.2.00.2700.03310.77
5.1.60.3130.02310.00
5.1.50.2770.02710.02
5.1.40.2730.0209.95
5.1.30.2570.02710.40
5.1.20.2770.03010.29
5.1.10.2970.02010.06
5.1.00.2530.02310.09
5.0.50.1370.0278.59
5.0.40.1470.0278.39
5.0.30.1630.0378.15
5.0.20.1500.0208.27
5.0.10.1430.0178.21
5.0.00.1630.0338.18
4.4.90.1800.0175.91
4.4.80.1430.0175.91
4.4.70.1630.0175.91
4.4.60.1370.0175.91
4.4.50.1470.0175.91
4.4.40.1470.0305.91
4.4.30.1400.0175.91
4.4.20.1770.0205.98
4.4.10.1530.0175.91
4.4.00.1470.0235.94
4.3.110.1500.0205.91
4.3.100.0730.0175.91
4.3.90.1400.0175.91
4.3.80.1170.0235.91
4.3.70.1430.0175.91
4.3.60.1470.0205.91
4.3.50.1570.0175.91
4.3.40.1200.0235.91
4.3.30.0630.0135.91
4.3.20.0700.0205.91
4.3.10.0800.0235.91
4.3.00.0800.0175.91

preferences:
38.65 ms | 400 KiB | 5 Q