3v4l.org

run code in 300+ PHP versions simultaneously
<?php function convertFloat($float) { $float = strtolower((string)$float); $expPos = strpos($float, 'e'); if ($expPos === false) { return (string)(float)$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.'));

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)
8.3.60.0070.01318.18
8.3.50.0070.00716.36
8.3.40.0090.00618.67
8.3.30.0030.01020.21
8.3.20.0050.00220.31
8.3.10.0000.00722.02
8.3.00.0000.00722.34
8.2.180.0040.01118.13
8.2.170.0140.00022.96
8.2.160.0060.00620.41
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0070.01126.16
8.2.120.0080.00019.40
8.2.110.0090.00022.16
8.2.100.0040.00819.39
8.2.90.0050.00319.09
8.2.80.0030.00519.18
8.2.70.0030.00517.50
8.2.60.0030.00618.04
8.2.50.0080.00018.07
8.2.40.0030.00518.16
8.2.30.0000.00819.76
8.2.20.0030.00617.74
8.2.10.0080.00017.72
8.2.00.0000.00717.77
8.1.270.0000.00820.15
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.95
8.1.230.0040.00719.10
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0100.00017.23
8.1.190.0060.00317.39
8.1.180.0040.00418.80
8.1.170.0040.00418.65
8.1.160.0040.00422.29
8.1.150.0040.00418.61
8.1.140.0060.00317.41
8.1.130.0000.00717.92
8.1.120.0000.00817.43
8.1.110.0000.00717.44
8.1.100.0040.00417.53
8.1.90.0050.00217.42
8.1.80.0040.00417.39
8.1.70.0030.00317.43
8.1.60.0030.00617.67
8.1.50.0000.00817.44
8.1.40.0000.00817.59
8.1.30.0040.00417.54
8.1.20.0040.00417.60
8.1.10.0030.00517.47
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0000.00717.30
8.0.280.0040.00418.35
8.0.270.0070.00017.21
8.0.260.0030.00316.86
8.0.250.0030.00316.83
8.0.240.0040.00416.99
8.0.230.0070.00016.80
8.0.220.0030.00316.79
8.0.210.0000.00716.76
8.0.200.0050.00216.89
8.0.190.0030.00616.84
8.0.180.0000.00716.83
8.0.170.0000.00716.91
8.0.160.0070.00016.82
8.0.150.0040.00416.73
8.0.140.0100.00016.84
8.0.130.0030.00313.26
8.0.120.0060.00316.77
8.0.110.0020.00516.94
8.0.100.0050.00316.86
8.0.90.0050.00216.74
8.0.80.0140.00416.79
8.0.70.0040.00416.89
8.0.60.0030.00516.94
8.0.50.0050.00216.98
8.0.30.0130.00716.95
8.0.20.0090.01117.40
8.0.10.0050.00216.85
8.0.00.0140.00316.74
7.4.330.0050.00015.00
7.4.320.0030.00316.53
7.4.300.0070.00016.53
7.4.290.0000.00816.68
7.4.280.0040.00416.45
7.4.270.0030.00316.63
7.4.260.0030.00316.67
7.4.250.0040.00416.48
7.4.240.0050.00216.54
7.4.230.0000.00816.55
7.4.220.0100.00716.67
7.4.210.0050.01016.62
7.4.200.0040.00416.55
7.4.190.0000.00716.40
7.4.160.0040.01816.42
7.4.150.0090.00917.40
7.4.140.0140.00617.86
7.4.130.0080.01316.60
7.4.120.0100.00716.49
7.4.110.0170.00016.57
7.4.100.0100.00716.51
7.4.90.0100.00816.57
7.4.80.0090.00919.39
7.4.70.0130.01016.72
7.4.60.0030.01316.41
7.4.50.0030.00616.61
7.4.40.0110.00322.77
7.4.30.0130.00516.69
7.4.00.0110.00615.08
7.3.330.0050.00013.31
7.3.320.0050.00013.18
7.3.310.0070.00016.39
7.3.300.0000.00716.35
7.3.290.0030.01116.39
7.3.280.0090.00816.38
7.3.270.0090.01117.40
7.3.260.0110.00516.71
7.3.250.0070.01016.50
7.3.240.0150.00316.32
7.3.230.0210.00016.43
7.3.210.0120.00616.43
7.3.200.0110.00619.39
7.3.190.0030.01916.37
7.3.180.0110.01116.41
7.3.170.0060.01116.39
7.3.160.0120.00616.49
7.3.120.0070.00514.96
7.3.110.0030.01615.11
7.3.100.0120.00014.85
7.3.90.0100.00714.88
7.3.80.0040.01214.61
7.3.70.0030.01314.65
7.3.60.0090.00614.80
7.3.50.0100.00614.72
7.3.40.0060.00314.87
7.3.30.0000.01714.94
7.3.20.0000.01816.75
7.3.10.0040.00716.80
7.3.00.0050.00516.54
7.2.330.0100.00616.57
7.2.320.0110.00716.43
7.2.310.0040.01316.60
7.2.300.0080.00816.37
7.2.290.0100.01016.64
7.2.250.0080.00914.93
7.2.240.0030.01715.16
7.2.230.0130.00314.94
7.2.220.0040.01115.03
7.2.210.0030.01015.04
7.2.200.0090.00615.01
7.2.190.0170.00015.04
7.2.180.0070.01114.83
7.2.170.0090.00315.03
7.2.130.0050.00816.84
7.2.120.0080.00816.86
7.2.110.0040.00816.74
7.2.100.0040.01016.65
7.2.90.0070.00816.91
7.2.80.0030.00616.91
7.2.70.0080.00816.75
7.2.60.0090.00516.80
7.2.50.0060.00716.69
7.2.40.0070.00716.79
7.2.30.0070.00916.96
7.2.20.0060.00616.93
7.2.10.0060.00816.65
7.2.00.0060.00516.75
7.1.330.0000.01515.97
7.1.320.0000.01315.64
7.1.310.0040.01115.97
7.1.300.0040.01115.84
7.1.290.0060.00615.94
7.1.280.0090.00615.69
7.1.270.0090.00015.84
7.1.260.0100.00315.84
7.1.250.0080.00515.71
7.1.70.0070.01017.17
7.1.60.0060.01919.40
7.1.50.0130.01317.07
7.1.00.0100.07022.46
7.0.200.0050.00216.79
7.0.140.0070.07021.95
7.0.60.0030.06719.90
7.0.50.0070.08017.88
7.0.40.0130.08020.09
7.0.30.0370.07320.25
7.0.20.0230.04020.07
7.0.10.0070.04720.07
7.0.00.0000.04720.08
5.6.280.0000.07321.09
5.6.210.0130.03720.66
5.6.200.0030.05718.23
5.6.190.0070.07320.48
5.6.180.0370.05020.77
5.6.170.0230.06020.55
5.6.160.0030.06720.46
5.6.150.0070.07318.18
5.6.140.0170.06318.18
5.6.130.0070.05718.19
5.6.120.0100.06321.01
5.6.110.0070.08721.16
5.6.100.0100.08020.99
5.6.90.0070.08720.99
5.6.80.0030.05720.30
5.5.350.0370.07020.32
5.5.340.0070.06718.08
5.5.330.0130.03020.31
5.5.320.2730.05020.35
5.5.310.0400.04020.35
5.5.300.0030.07317.93
5.5.290.0130.07717.98
5.5.280.0200.07320.89
5.5.270.0030.07320.77
5.5.260.0070.05020.91
5.5.250.0170.03020.68
5.5.240.0030.08020.36
5.4.450.0570.06719.31
5.4.440.1030.06719.51
5.4.430.0870.08019.51
5.4.420.0900.04719.32
5.4.410.0730.06019.06
5.4.400.0400.05019.13
5.4.390.0800.06719.16
5.4.380.0300.04718.48
5.4.370.0130.05318.76
5.4.360.0200.04718.75
5.4.350.0060.03412.03
5.4.340.0080.03212.03
5.4.320.0070.03912.52
5.4.310.0080.03612.51
5.4.300.0080.03412.52
5.4.290.0060.03812.51
5.4.280.0080.05112.41
5.4.270.0090.03312.41
5.4.260.0080.03612.41
5.4.250.0100.05318.79
5.4.240.0030.05319.00
5.4.230.0070.05318.79
5.4.220.0170.04718.93
5.4.210.0130.05019.00
5.4.200.0030.07718.93
5.4.190.0070.05019.00
5.4.180.0100.05018.95
5.4.170.0200.04718.71
5.4.160.0170.04318.64
5.4.150.0130.05018.92
5.4.140.0070.05016.60
5.4.130.0130.06716.46
5.4.120.0200.04016.41
5.4.110.0170.06716.55
5.4.100.0170.04016.34
5.4.90.0100.05316.53
5.4.80.0030.05016.51
5.4.70.0100.05016.37
5.4.60.0170.04716.45
5.4.50.0100.06016.38
5.4.40.0070.04716.43
5.4.30.0070.07716.53
5.4.20.0170.03716.52
5.4.10.0130.05016.38
5.4.00.0170.06716.02
5.3.290.0050.04012.80
5.3.280.0030.05314.59
5.3.270.0130.04714.71
5.3.260.0170.04714.63
5.3.250.0130.04314.71
5.3.240.0230.04014.80
5.3.230.0100.04714.58
5.3.220.0170.06014.67
5.3.210.0070.05314.60
5.3.200.0070.05714.74
5.3.190.0100.06014.68
5.3.180.0070.05314.66
5.3.170.0030.05314.76
5.3.160.0130.07714.66
5.3.150.0170.05014.66
5.3.140.0070.05014.57
5.3.130.0130.05714.57
5.3.120.0130.04714.65
5.3.110.0200.05014.64
5.3.100.0130.04314.13
5.3.90.0070.06314.27
5.3.80.0070.06714.04
5.3.70.0170.03714.12
5.3.60.0070.05014.21
5.3.50.0070.05013.93
5.3.40.0030.05713.82
5.3.30.0070.05014.14
5.3.20.0130.06313.79
5.3.10.0100.04313.65
5.3.00.0070.05013.64
5.2.170.0030.04711.15
5.2.160.0030.04011.14
5.2.150.0070.06011.14
5.2.140.0070.04011.15
5.2.130.0100.03711.28
5.2.120.0030.04011.09
5.2.110.0030.04011.34
5.2.100.0070.03711.10
5.2.90.0100.04011.33
5.2.80.0070.04311.11
5.2.70.0000.05711.32
5.2.60.0130.04711.15
5.2.50.0170.03311.13
5.2.40.0100.03710.97
5.2.30.0070.06311.07
5.2.20.0130.03711.15
5.2.10.0030.04010.86
5.2.00.0030.04710.82
5.1.60.0070.04710.11
5.1.50.0030.03710.25
5.1.40.0030.04710.06
5.1.30.0100.03310.45
5.1.20.0100.03310.36
5.1.10.0130.03710.07
5.1.00.0100.03310.04
5.0.50.0100.0208.76
5.0.40.0000.0338.41
5.0.30.0030.0478.16
5.0.20.0070.0278.27
5.0.10.0030.0308.27
5.0.00.0030.0408.25
4.4.90.0070.0177.36
4.4.80.0030.0207.36
4.4.70.0000.0277.36
4.4.60.0100.0207.36
4.4.50.0030.0307.36
4.4.40.0030.0437.36
4.4.30.0030.0237.36
4.4.20.0030.0207.36
4.4.10.0070.0277.36
4.4.00.0000.0337.36
4.3.110.0030.0307.36
4.3.100.0000.0237.36
4.3.90.0070.0177.36
4.3.80.0070.0277.36
4.3.70.0000.0337.36
4.3.60.0070.0177.36
4.3.50.0030.0207.36
4.3.40.0070.0377.36
4.3.30.0000.0307.36
4.3.20.0030.0207.36
4.3.10.0030.0237.36
4.3.00.0100.0238.10

preferences:
66.5 ms | 400 KiB | 5 Q