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'); 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-0'));

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)
8.3.60.0100.01018.38
8.3.50.0110.00821.08
8.3.40.0120.00618.75
8.3.30.0030.01020.39
8.3.20.0040.00420.24
8.3.10.0070.00022.14
8.3.00.0000.00722.58
8.2.180.0100.00616.75
8.2.170.0120.00622.96
8.2.160.0070.00720.57
8.2.150.0080.00024.18
8.2.140.0170.00024.66
8.2.130.0070.00726.16
8.2.120.0060.00319.54
8.2.110.0000.00821.90
8.2.100.0090.00319.28
8.2.90.0060.00319.09
8.2.80.0050.00319.25
8.2.70.0000.00917.50
8.2.60.0030.00617.80
8.2.50.0030.00618.07
8.2.40.0050.00318.03
8.2.30.0000.00818.04
8.2.20.0040.00417.68
8.2.10.0050.00317.70
8.2.00.0040.00417.77
8.1.280.0100.00725.92
8.1.270.0090.00020.15
8.1.260.0000.00726.35
8.1.250.0030.00528.09
8.1.240.0030.00623.82
8.1.230.0070.00419.23
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00817.54
8.1.180.0040.00418.80
8.1.170.0090.00018.52
8.1.160.0050.00222.13
8.1.150.0080.00018.59
8.1.140.0070.00017.46
8.1.130.0000.00817.84
8.1.120.0000.00817.45
8.1.110.0000.00717.46
8.1.100.0000.00817.40
8.1.90.0050.00317.48
8.1.80.0000.00817.52
8.1.70.0030.00317.39
8.1.60.0030.00517.50
8.1.50.0050.00317.51
8.1.40.0000.00817.56
8.1.30.0050.00217.61
8.1.20.0040.00417.63
8.1.10.0000.00717.53
8.1.00.0000.00817.45
8.0.300.0070.00018.77
8.0.290.0040.00417.18
8.0.280.0050.00318.33
8.0.270.0030.00317.14
8.0.260.0030.00316.78
8.0.250.0000.00816.88
8.0.240.0030.00516.95
8.0.230.0030.00316.83
8.0.220.0040.00416.82
8.0.210.0070.00016.84
8.0.200.0070.00016.88
8.0.190.0080.00016.92
8.0.180.0070.00016.80
8.0.170.0060.00316.77
8.0.160.0070.00016.75
8.0.150.0040.00416.77
8.0.140.0060.00316.86
8.0.130.0050.00013.37
8.0.120.0070.00016.78
8.0.110.0030.00516.85
8.0.100.0000.00916.75
8.0.90.0040.00416.89
8.0.80.0070.01316.74
8.0.70.0040.00416.89
8.0.60.0040.00416.86
8.0.50.0040.00416.81
8.0.30.0090.00917.10
8.0.20.0110.00817.42
8.0.10.0040.00417.11
8.0.00.0090.01516.92
7.4.330.0000.00615.00
7.4.320.0000.00616.54
7.4.300.0040.00416.45
7.4.290.0030.00316.48
7.4.280.0030.00316.62
7.4.270.0030.00316.55
7.4.260.0070.00016.63
7.4.250.0000.00716.42
7.4.240.0040.00316.65
7.4.230.0040.00416.62
7.4.220.0060.01216.65
7.4.210.0070.00916.63
7.4.200.0070.00016.43
7.4.190.0050.00216.59
7.4.160.0080.01316.70
7.4.150.0090.01217.40
7.4.140.0100.00917.86
7.4.130.0060.01216.44
7.4.120.0120.00516.57
7.4.110.0100.00716.51
7.4.100.0100.01316.65
7.4.90.0070.01016.43
7.4.80.0130.01019.39
7.4.70.0040.01316.57
7.4.60.0100.00716.50
7.4.50.0000.00816.30
7.4.40.0040.00922.77
7.4.30.0080.01616.47
7.4.00.0100.00715.15
7.3.330.0030.00313.38
7.3.320.0060.00013.34
7.3.310.0030.00616.40
7.3.300.0070.00016.42
7.3.290.0140.00016.37
7.3.280.0080.01016.36
7.3.270.0090.01017.40
7.3.260.0030.01316.53
7.3.250.0080.00816.45
7.3.240.0140.00316.60
7.3.230.0050.01416.56
7.3.210.0140.00416.35
7.3.200.0130.00619.39
7.3.190.0110.01116.48
7.3.180.0050.01416.40
7.3.170.0090.00616.31
7.3.160.0110.00716.65
7.3.120.0030.01114.77
7.3.10.0070.00716.73
7.3.00.0100.00616.61
7.2.330.0090.00916.54
7.2.320.0000.01816.49
7.2.310.0090.01216.76
7.2.300.0030.01416.73
7.2.290.0100.00616.74
7.2.130.0040.01216.77
7.2.120.0030.00716.75
7.2.110.0060.00916.85
7.2.100.0080.00816.58
7.2.90.0040.00816.91
7.2.80.0140.00016.97
7.2.70.0080.00316.76
7.2.60.0000.01416.92
7.2.50.0070.01016.68
7.2.40.0030.01416.91
7.2.30.0030.00716.85
7.2.20.0060.00916.99
7.2.10.0100.00317.01
7.2.00.0040.00917.95
7.1.250.0030.00715.97
7.1.200.0070.00715.66
7.1.100.0070.00718.24
7.1.70.0060.00317.21
7.1.60.0110.01419.40
7.1.50.0070.02016.95
7.1.00.0000.04022.28
7.0.200.0040.00816.82
7.0.140.0030.07722.11
7.0.60.0070.07019.92
7.0.50.0070.08017.89
7.0.40.0100.08020.09
7.0.30.0400.04720.06
7.0.20.0300.08020.24
7.0.10.0100.07020.21
7.0.00.0100.03720.36
5.6.280.0100.06721.05
5.6.210.0070.08020.55
5.6.200.0070.06318.16
5.6.190.0170.05320.39
5.6.180.0300.07320.50
5.6.170.0200.04320.62
5.6.160.0030.04020.53
5.6.150.0030.06318.11
5.6.140.0170.04718.12
5.6.130.0030.04318.18
5.6.120.0030.04321.13
5.6.110.0030.09020.99
5.6.100.0000.07320.97
5.6.90.0030.06020.98
5.6.80.0070.06020.41
5.5.350.0030.08020.48
5.5.340.0070.07718.07
5.5.330.0170.07320.44
5.5.320.0070.06720.46
5.5.310.0300.04720.37
5.5.300.0070.07718.02
5.5.290.0070.03717.98
5.5.280.0030.04720.64
5.5.270.0030.06720.96
5.5.260.0130.08020.69
5.5.250.0100.07720.68
5.5.240.0330.07020.17
5.4.450.0530.03719.31
5.4.440.0800.04319.56
5.4.430.0630.04719.63
5.4.420.0100.05319.42
5.4.410.0130.04719.30
5.4.400.0000.06319.23
5.4.390.0130.04719.25
5.4.380.0030.06319.09
5.4.370.0170.04719.04
5.4.360.0130.05019.25
5.4.350.0090.04012.03
5.4.340.0050.04812.02
5.4.320.0080.04012.52
5.4.310.0070.03712.51
5.4.300.0110.03412.52
5.4.290.0050.03812.51
5.4.280.0070.03512.41
5.4.270.0040.03712.41
5.4.260.0140.03212.41
5.4.250.0270.05018.78
5.4.240.0130.06018.93
5.4.230.0170.07318.75
5.4.220.0130.05718.77
5.4.210.0170.05018.91
5.4.200.0130.05319.06
5.4.190.0130.06718.72
5.4.180.0070.05718.56
5.4.170.0100.06018.92
5.4.160.0100.05018.87
5.4.150.0130.04718.92
5.4.140.0100.06316.26
5.4.130.0000.05716.44
5.4.120.0200.04316.34
5.4.110.0030.06716.54
5.4.100.0070.05316.45
5.4.90.0230.04316.41
5.4.80.0030.05316.49
5.4.70.0070.05716.32
5.4.60.0100.06716.32
5.4.50.0200.03716.30
5.4.40.0030.06716.49
5.4.30.0100.04316.41
5.4.20.0130.06316.34
5.4.10.0100.05316.45
5.4.00.0100.04715.87
5.3.290.0020.04312.80
5.3.280.0200.04714.52
5.3.270.0100.06714.71
5.3.260.0070.05314.80
5.3.250.0130.04714.80
5.3.240.0070.05314.60
5.3.230.0100.04714.70
5.3.220.0170.05714.58
5.3.210.0070.05714.72
5.3.200.0070.05714.41
5.3.190.0130.05014.68
5.3.180.0130.07314.48
5.3.170.0100.05014.71
5.3.160.0030.05714.57
5.3.150.0200.04714.67
5.3.140.0100.05014.76
5.3.130.0070.05314.55
5.3.120.0130.05014.39
5.3.110.0100.05314.64
5.3.100.0130.05314.12
5.3.90.0070.05714.21
5.3.80.0030.05714.20
5.3.70.0130.04314.11
5.3.60.0100.05314.00
5.3.50.0030.05314.13
5.3.40.0170.06714.05
5.3.30.0130.06714.00
5.3.20.0070.05013.68
5.3.10.0170.06713.63
5.3.00.0030.05313.74
5.2.170.0030.04711.34
5.2.160.0100.05011.38
5.2.150.0070.04011.39
5.2.140.0030.04711.23
5.2.130.0070.06310.95
5.2.120.0230.04311.20
5.2.110.0100.03711.29
5.2.100.0030.04011.29
5.2.90.0100.03711.20
5.2.80.0130.03711.09
5.2.70.0070.04311.34
5.2.60.0070.04011.06
5.2.50.0170.03311.12
5.2.40.0030.04011.18
5.2.30.0130.03711.07
5.2.20.0170.03710.98
5.2.10.0100.03310.96
5.2.00.0070.03710.76
5.1.60.0100.0309.86
5.1.50.0100.03010.17
5.1.40.0030.0379.91
5.1.30.0100.03010.51
5.1.20.0100.03310.29
5.1.10.0100.02710.05
5.1.00.0130.0279.92
5.0.50.0030.0378.63
5.0.40.0130.0308.49
5.0.30.0070.0478.09
5.0.20.0000.0408.05
5.0.10.0030.0278.27
5.0.00.0030.0438.28
4.4.90.0070.0277.36
4.4.80.0070.0277.36
4.4.70.0030.0207.36
4.4.60.0000.0237.36
4.4.50.0100.0207.36
4.4.40.0030.0337.36
4.4.30.0030.0277.36
4.4.20.0100.0137.36
4.4.10.0000.0237.36
4.4.00.0070.0337.36
4.3.110.0030.0237.36
4.3.100.0000.0237.36
4.3.90.0070.0237.36
4.3.80.0070.0307.36
4.3.70.0030.0207.36
4.3.60.0030.0207.36
4.3.50.0030.0207.36
4.3.40.0030.0337.36
4.3.30.0030.0207.36
4.3.20.0100.0137.36
4.3.10.0000.0307.36
4.3.00.0130.01714.51

preferences:
49.33 ms | 401 KiB | 5 Q