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.'), (string)+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)
8.3.60.0110.01118.56
8.3.50.0100.00521.14
8.3.40.0140.00418.86
8.3.30.0030.01020.17
8.3.20.0040.00420.16
8.3.10.0080.00021.92
8.3.00.0040.00422.52
8.2.180.0060.00916.63
8.2.170.0190.00022.96
8.2.160.0070.00720.44
8.2.150.0080.00024.18
8.2.140.0040.01524.66
8.2.130.0090.00926.16
8.2.120.0040.00419.66
8.2.110.0090.00022.05
8.2.100.0100.00319.20
8.2.90.0040.00419.22
8.2.80.0040.00419.32
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0050.00318.07
8.2.40.0030.00618.22
8.2.30.0040.00418.02
8.2.20.0000.00717.62
8.2.10.0040.00417.63
8.2.00.0000.00717.64
8.1.280.0140.00025.92
8.1.270.0050.00520.22
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00023.82
8.1.230.0110.00019.21
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0040.00417.41
8.1.180.0050.00318.80
8.1.170.0000.00918.57
8.1.160.0070.00022.13
8.1.150.0000.00718.67
8.1.140.0070.00017.43
8.1.130.0030.00317.87
8.1.120.0020.00517.46
8.1.110.0070.00017.41
8.1.100.0060.00317.27
8.1.90.0040.00317.50
8.1.80.0030.00517.37
8.1.70.0040.00417.48
8.1.60.0030.00617.62
8.1.50.0030.00617.54
8.1.40.0000.00817.49
8.1.30.0000.00717.73
8.1.20.0030.00617.67
8.1.10.0050.00217.40
8.1.00.0030.00617.42
8.0.300.0000.00718.77
8.0.290.0060.00317.30
8.0.280.0030.00318.43
8.0.270.0000.00717.25
8.0.260.0030.00318.55
8.0.250.0030.00316.90
8.0.240.0000.00817.00
8.0.230.0060.00017.02
8.0.220.0030.00516.94
8.0.210.0000.00716.96
8.0.200.0030.00316.89
8.0.190.0000.00816.90
8.0.180.0100.00016.88
8.0.170.0020.00516.98
8.0.160.0000.00716.86
8.0.150.0040.00416.84
8.0.140.0000.01016.89
8.0.130.0060.00013.28
8.0.120.0050.00316.88
8.0.110.0000.00716.92
8.0.100.0030.00517.00
8.0.90.0080.00016.84
8.0.80.0030.01316.91
8.0.70.0040.00416.93
8.0.60.0080.00016.83
8.0.50.0000.00816.96
8.0.30.0130.00517.17
8.0.20.0130.00917.40
8.0.10.0000.00816.90
8.0.00.0100.01116.78
7.4.330.0000.00515.00
7.4.320.0000.00616.66
7.4.300.0030.00316.54
7.4.290.0030.00316.68
7.4.280.0040.00416.44
7.4.270.0040.00416.50
7.4.260.0000.00816.64
7.4.250.0000.00716.51
7.4.240.0020.00516.60
7.4.230.0000.00716.65
7.4.220.0110.00816.59
7.4.210.0040.01016.64
7.4.200.0040.00416.46
7.4.190.0070.00016.60
7.4.160.0100.00716.39
7.4.150.0090.01617.40
7.4.140.0090.00917.86
7.4.130.0060.01216.66
7.4.120.0030.01416.60
7.4.110.0140.00316.57
7.4.100.0090.00916.56
7.4.90.0090.00916.60
7.4.80.0060.01219.39
7.4.70.0090.00916.44
7.4.60.0100.01016.63
7.4.50.0000.00816.39
7.4.40.0030.01422.77
7.4.30.0080.01116.54
7.4.00.0100.00314.93
7.3.330.0000.00513.52
7.3.320.0060.00013.39
7.3.310.0030.00316.47
7.3.300.0000.00716.41
7.3.290.0000.01416.43
7.3.280.0070.00916.42
7.3.270.0090.00917.40
7.3.260.0080.01616.61
7.3.250.0100.00516.40
7.3.240.0100.00716.73
7.3.230.0090.00816.44
7.3.210.0180.00016.64
7.3.200.0030.01519.39
7.3.190.0230.00816.27
7.3.180.0100.01016.34
7.3.170.0100.00716.58
7.3.160.0100.01316.45
7.3.120.0070.01314.55
7.3.110.0120.00614.49
7.3.100.0060.00915.03
7.3.90.0070.00714.54
7.3.80.0130.00314.84
7.3.70.0030.01114.96
7.3.60.0060.00914.87
7.3.50.0030.01014.77
7.3.40.0040.01414.86
7.3.30.0070.00714.87
7.3.20.0000.01816.57
7.3.10.0140.00616.37
7.3.00.0150.00616.40
7.2.330.0030.01416.62
7.2.320.0110.00516.31
7.2.310.0030.01316.76
7.2.300.0120.00316.81
7.2.290.0140.00716.67
7.2.240.0100.00614.88
7.2.230.0060.00915.09
7.2.220.0070.00715.04
7.2.210.0060.01114.89
7.2.200.0070.01115.02
7.2.190.0040.01214.64
7.2.180.0070.01014.64
7.2.170.0030.00814.77
7.2.160.0070.01014.73
7.2.150.0060.00616.95
7.2.140.0050.01516.71
7.2.130.0080.01016.43
7.2.120.0160.00516.56
7.2.110.0080.01316.70
7.2.100.0090.01116.57
7.2.90.0130.00716.68
7.2.80.0090.00916.55
7.2.70.0110.00516.46
7.2.60.0100.00716.64
7.2.50.0100.00616.70
7.2.40.0060.00916.82
7.2.30.0100.00716.54
7.2.20.0090.00816.33
7.2.10.0080.01016.52
7.2.00.0050.01017.48
7.1.330.0100.00715.65
7.1.320.0030.01315.56
7.1.310.0030.00715.74
7.1.300.0150.00015.83
7.1.290.0030.00715.46
7.1.280.0080.00315.80
7.1.270.0000.00915.78
7.1.260.0040.01715.55
7.1.250.0100.00715.39
7.1.200.0000.01115.82
7.1.100.0060.00918.12
7.1.70.0080.00417.29
7.1.60.0140.01019.40
7.1.50.0070.01717.07
7.1.00.0000.05722.31
7.0.200.0000.00716.84
7.0.140.0000.07322.05
7.0.60.0200.07019.96
7.0.50.0070.08317.90
7.0.40.0070.04020.11
7.0.30.0200.03720.24
7.0.20.0230.06020.10
7.0.10.0230.06320.07
7.0.00.0070.03720.23
5.6.280.0130.06020.79
5.6.210.0130.06320.49
5.6.200.0100.08318.16
5.6.190.0030.08320.60
5.6.180.3470.04720.61
5.6.170.0230.05020.50
5.6.160.0070.05320.44
5.6.150.0030.04318.13
5.6.140.0100.04718.13
5.6.130.0130.06318.18
5.6.120.0070.08021.13
5.6.110.0030.08721.13
5.6.100.0030.05720.98
5.6.90.0130.06020.96
5.6.80.0070.06320.40
5.6.70.0130.05320.39
5.5.350.0070.04720.41
5.5.340.0030.06717.98
5.5.330.0030.05320.47
5.5.320.0270.06320.24
5.5.310.0330.05320.34
5.5.300.0030.04017.98
5.5.290.0130.08017.96
5.5.280.0100.06720.78
5.5.270.0170.05320.88
5.5.260.0070.06720.86
5.5.250.0170.06320.56
5.5.240.0030.07020.20
5.4.450.0000.07319.32
5.4.440.0030.04019.39
5.4.430.0100.07019.45
5.4.420.0070.07319.63
5.4.410.0070.07319.07
5.4.400.0100.04319.14
5.4.390.0030.07019.31
5.4.380.0070.06019.16
5.4.370.0030.06019.21
5.4.360.0070.07319.25
5.4.350.0030.07319.20
5.4.340.0030.07719.09
5.4.320.0070.04719.19
5.4.310.0000.07018.97
5.4.300.0030.07319.25
5.4.290.0200.04319.08
5.4.280.0130.05319.08
5.4.270.0100.04319.21
5.4.260.0200.04319.06
5.4.250.0030.07319.05
5.4.240.0030.07318.98
5.4.230.0030.05318.98
5.4.220.0000.04319.23
5.4.210.0000.04318.99
5.4.200.0030.06018.94
5.4.190.0070.05718.98
5.4.180.0070.06719.21
5.4.170.0000.04719.12
5.4.160.0030.06019.12
5.4.150.0170.07019.17
5.4.140.0030.06016.56
5.4.130.0000.06316.37
5.4.120.0030.03716.38
5.4.110.0030.04016.50
5.4.100.0070.07016.59
5.4.90.0100.07016.51
5.4.80.0030.04316.39
5.4.70.0030.05716.50
5.4.60.0000.06716.56
5.4.50.0030.07316.51
5.4.40.0030.04316.54
5.4.30.0030.04316.42
5.4.20.0000.07016.42
5.4.10.0030.04316.32
5.4.00.0070.05715.82
5.3.290.0030.06714.68
5.3.280.0100.04014.69
5.3.270.0000.06014.63
5.3.260.0000.05314.61
5.3.250.0000.05314.60
5.3.240.0030.05714.54
5.3.230.0000.04314.54
5.3.220.0000.07314.56
5.3.210.0030.05014.56
5.3.200.0030.05014.55
5.3.190.0000.06314.82
5.3.180.0030.08014.57
5.3.170.0070.06714.49
5.3.160.0030.07014.58
5.3.150.0000.07714.57
5.3.140.0000.07714.80
5.3.130.0070.06714.54
5.3.120.0030.05714.73
5.3.110.0030.05714.65
5.3.100.0100.07314.05
5.3.90.0000.07313.93
5.3.80.0070.03714.20
5.3.70.0000.08014.04
5.3.60.0100.07014.04
5.3.50.0100.04713.94
5.3.40.0030.07713.86
5.3.30.0070.04313.83
5.3.20.0030.03313.78
5.3.10.0000.05713.75
5.3.00.0070.07313.74
5.2.170.0070.05712.42
5.2.160.0030.03312.42
5.2.150.0070.03312.42
5.2.140.0030.03312.42
5.2.130.0000.04312.42
5.2.120.0000.03312.42
5.2.110.0030.03312.42
5.2.100.0000.05012.42
5.2.90.0000.03712.42
5.2.80.0000.03312.42
5.2.70.0000.03012.42
5.2.60.0000.03712.42
5.2.50.0070.06012.42
5.2.40.0000.04012.42
5.2.30.0070.03312.42
5.2.20.0000.04312.42
5.2.10.0000.05712.42
5.2.00.0000.05312.42
5.1.60.0030.05012.42
5.1.50.0000.04312.42
5.1.40.0070.05312.42
5.1.30.0070.03312.42
5.1.20.0000.05712.42
5.1.10.0070.03312.42
5.1.00.0070.04312.42
5.0.50.0030.03712.42
5.0.40.0030.04312.42
5.0.30.0070.06312.42
5.0.20.0030.04012.42
5.0.10.0000.04712.42
5.0.00.0000.05012.42
4.4.90.0070.03012.42
4.4.80.0000.02012.42
4.4.70.0000.02712.42
4.4.60.0100.02012.42
4.4.50.0000.02312.42
4.4.40.0000.05312.42
4.4.30.0000.03712.42
4.4.20.0030.03012.42
4.4.10.0070.03312.42
4.4.00.0000.05712.42
4.3.110.0000.02012.42
4.3.100.0100.01312.42
4.3.90.0000.02712.42
4.3.80.0030.03312.42
4.3.70.0030.02312.42
4.3.60.0030.03312.42
4.3.50.0070.03012.42
4.3.40.0030.04012.42
4.3.30.0000.02012.42
4.3.20.0000.03712.42
4.3.10.0030.03012.42
4.3.00.0070.03012.42

preferences:
47.63 ms | 401 KiB | 5 Q