3v4l.org

run code in 300+ PHP versions simultaneously
<?php function convertFloat($float) { $float = (string)$float; $expPos = strpos($float, 'E'); var_dump($float); if ($expPos === false) { return $float; } $beforeDot = '0'; // Well, fuck you my English. $afterDot = '0'; // ^^ $numberWithoutPrecision = substr($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)); } if ($exp < 0) { $len = strlen($afterDot); if ($len <= $exp) { return $beforeDot.$afterDot; } } else { $len = strlen($afterDot); return $beforeDot.($afterDot !== '0' ? $afterDot : '').str_repeat('0', $exp - $len).'i'; } var_dump($beforeDot, $afterDot); } convertFloat('1.11111111111111111111111111111111111111111111111111111111111e+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)
8.3.60.0160.00618.55
8.3.50.0120.00621.08
8.3.40.0120.00318.71
8.3.30.0100.00320.16
8.3.20.0060.00320.39
8.3.10.0050.00322.14
8.3.00.0040.00422.53
8.2.180.0000.01516.50
8.2.170.0100.00718.96
8.2.160.0070.01422.96
8.2.150.0040.00424.18
8.2.140.0160.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00419.65
8.2.110.0000.01019.32
8.2.100.0040.00817.78
8.2.90.0030.00518.96
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0000.00917.91
8.2.50.0000.00818.10
8.2.40.0080.00018.07
8.2.30.0040.00417.88
8.2.20.0000.00817.52
8.2.10.0030.00617.66
8.2.00.0040.00417.53
8.1.280.0140.00725.92
8.1.270.0040.00420.08
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00919.00
8.1.230.0100.00017.83
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0000.00818.49
8.1.160.0000.00722.18
8.1.150.0020.00518.54
8.1.140.0080.00017.43
8.1.130.0030.00317.76
8.1.120.0070.00017.41
8.1.110.0000.00717.41
8.1.100.0040.00417.38
8.1.90.0000.00817.43
8.1.80.0030.00317.45
8.1.70.0070.00017.36
8.1.60.0000.00817.57
8.1.50.0050.00217.42
8.1.40.0000.00817.56
8.1.30.0080.00017.46
8.1.20.0000.00817.62
8.1.10.0000.00817.46
8.1.00.0070.00417.40
8.0.300.0080.00018.78
8.0.290.0040.00416.75
8.0.280.0000.00718.35
8.0.270.0070.00017.17
8.0.260.0000.00716.76
8.0.250.0030.00316.93
8.0.240.0000.00816.83
8.0.230.0000.00816.82
8.0.220.0000.00716.75
8.0.210.0030.00316.83
8.0.200.0030.00316.89
8.0.190.0030.00616.93
8.0.180.0060.00316.89
8.0.170.0080.00016.76
8.0.160.0030.00316.77
8.0.150.0030.00516.75
8.0.140.0030.00716.81
8.0.130.0030.00313.21
8.0.120.0050.00316.82
8.0.110.0000.00716.79
8.0.100.0040.00416.71
8.0.90.0000.00716.89
8.0.80.0080.00816.82
8.0.70.0050.00216.72
8.0.60.0040.00416.70
8.0.50.0000.00716.71
8.0.30.0100.00816.96
8.0.20.0130.00917.40
8.0.10.0050.00316.84
8.0.00.0090.00916.63
7.4.330.0000.00515.14
7.4.320.0030.00316.36
7.4.300.0030.00316.58
7.4.290.0000.00816.48
7.4.280.0030.00316.59
7.4.270.0000.00716.67
7.4.260.0000.00716.46
7.4.250.0030.00316.54
7.4.240.0020.00616.50
7.4.230.0000.00716.53
7.4.220.0060.01216.64
7.4.210.0050.01016.62
7.4.200.0040.00416.44
7.4.190.0040.00416.60
7.4.160.0040.01116.62
7.4.150.0210.00317.40
7.4.140.0090.00917.86
7.4.130.0060.01716.45
7.4.120.0120.00616.51
7.4.110.0070.01316.57
7.4.100.0070.01016.61
7.4.90.0140.00316.69
7.4.80.0110.00719.39
7.4.70.0060.01316.42
7.4.60.0130.00616.37
7.4.50.0000.00916.36
7.4.40.0030.01322.77
7.4.30.0130.00916.57
7.4.00.0040.01515.02
7.3.330.0050.00013.39
7.3.320.0050.00013.22
7.3.310.0000.00616.38
7.3.300.0070.00016.30
7.3.290.0110.00716.38
7.3.280.0050.01016.35
7.3.270.0090.00917.40
7.3.260.0050.01116.79
7.3.250.0070.01116.44
7.3.240.0110.01216.56
7.3.230.0110.00716.61
7.3.210.0080.01116.27
7.3.200.0080.00819.39
7.3.190.0080.01416.30
7.3.180.0150.00316.53
7.3.170.0170.00316.27
7.3.160.0090.00616.36
7.3.120.0080.00615.02
7.2.330.0080.01116.66
7.2.320.0050.01316.67
7.2.310.0100.01016.48
7.2.300.0100.01316.75
7.2.290.0090.01316.75
7.1.100.0120.00918.01
7.1.70.0030.00717.29
7.1.60.0120.00919.40
7.1.50.0070.01416.95
7.1.00.0030.07322.39
7.0.200.0000.01016.95
7.0.140.0030.07022.18
7.0.60.0170.07019.86
7.0.50.0030.06317.73
7.0.40.0130.08320.42
7.0.30.0270.04020.27
7.0.20.0200.07720.33
7.0.10.0200.08320.32
7.0.00.0130.06020.29
5.6.280.0000.07720.82
5.6.210.0000.06020.76
5.6.200.0070.07318.23
5.6.190.0070.07720.67
5.6.180.4130.04020.43
5.6.170.0130.04320.55
5.6.160.0070.03720.61
5.6.150.0070.08318.24
5.6.140.0030.06718.19
5.6.130.0070.07718.34
5.6.120.0170.04321.03
5.6.110.0170.07321.02
5.6.100.0130.06021.14
5.6.90.0070.08320.98
5.6.80.0170.07720.44
5.6.70.0170.08020.41
5.5.350.0200.07720.35
5.5.340.0170.06717.96
5.5.330.0100.08320.43
5.5.320.0200.04020.25
5.5.310.0330.06720.36
5.5.300.0070.05318.08
5.5.290.0000.04718.09
5.5.280.0100.08320.77
5.5.270.0070.03720.74
5.5.260.0030.08720.66
5.5.250.0100.08320.81
5.5.240.0170.07320.27
5.4.450.0670.06719.61
5.4.440.0670.06019.61
5.4.430.0730.05719.37
5.4.420.0770.05019.58
5.4.410.0670.06019.41
5.4.400.1300.05318.64
5.4.390.1200.05318.76
5.4.380.0370.04718.55
5.4.370.0230.04318.75
5.4.360.0200.04318.78
5.4.350.0070.03912.03
5.4.340.0070.03912.02
5.4.320.0060.04212.52
5.4.310.0050.03812.51
5.4.300.0030.03912.51
5.4.290.0090.03512.51
5.4.280.0090.03312.40
5.4.270.0070.03512.40
5.4.260.0060.04612.40
5.4.250.0070.05318.98
5.4.240.0030.06319.02
5.4.230.0100.06018.96
5.4.220.0100.05018.90
5.4.210.0030.07019.08
5.4.200.0030.05318.65
5.4.190.0130.07019.08
5.4.180.0070.05318.76
5.4.170.0200.05718.98
5.4.160.0070.05018.75
5.4.150.0230.04018.73
5.4.140.0030.05316.48
5.4.130.0070.05016.38
5.4.120.0100.05316.37
5.4.110.0100.04716.37
5.4.100.0200.03716.37
5.4.90.0100.04316.40
5.4.80.0070.04716.48
5.4.70.0070.05016.34
5.4.60.0030.05716.47
5.4.50.0030.06016.51
5.4.40.0070.05016.49
5.4.30.0170.04016.43
5.4.20.0100.05716.46
5.4.10.0130.08016.47
5.4.00.0100.04715.90
5.3.290.0030.04212.80
5.3.280.0100.04714.52
5.3.270.0070.05314.69
5.3.260.0100.06014.45
5.3.250.0170.04714.62
5.3.240.0170.04014.62
5.3.230.0100.04714.61
5.3.220.0070.05314.60
5.3.210.0000.06014.57
5.3.200.0030.05014.74
5.3.190.0070.05014.74
5.3.180.0030.05314.57
5.3.170.0100.04314.66
5.3.160.0000.05714.71
5.3.150.0070.05014.75
5.3.140.0070.05014.71
5.3.130.0000.06014.58
5.3.120.0070.05314.72
5.3.110.0100.05314.65
5.3.100.0070.05014.03
5.3.90.0130.04314.16
5.3.80.0100.04714.02
5.3.70.0030.05314.20
5.3.60.0070.05013.84
5.3.50.0130.05313.87
5.3.40.0130.06314.04
5.3.30.0070.04713.90
5.3.20.0030.05013.79
5.3.10.0030.05313.68
5.3.00.0070.05013.73
5.2.170.0070.04310.99
5.2.160.0100.04011.32
5.2.150.0000.04711.13
5.2.140.0100.03311.16
5.2.130.0100.03711.19
5.2.120.0070.03711.28
5.2.110.0100.04011.18
5.2.100.0070.04011.08
5.2.90.0000.04310.94
5.2.80.0000.04311.17
5.2.70.0030.04010.93
5.2.60.0070.06011.04
5.2.50.0030.04311.13
5.2.40.0000.04311.10
5.2.30.0030.04311.05
5.2.20.0070.04011.04
5.2.10.0030.05710.95
5.2.00.0170.03010.82
5.1.60.0000.03710.04
5.1.50.0070.05010.00
5.1.40.0100.0279.99
5.1.30.0030.05010.51
5.1.20.0100.03310.44
5.1.10.0030.05010.32
5.1.00.0000.03710.00
5.0.50.0030.0278.65
5.0.40.0030.0278.53
5.0.30.0030.0438.39
5.0.20.0030.0238.30
5.0.10.0000.0308.11
5.0.00.0070.0478.02
4.4.90.0000.0277.36
4.4.80.0070.0177.36
4.4.70.0000.0237.36
4.4.60.0070.0207.36
4.4.50.0000.0237.36
4.4.40.0070.0307.36
4.4.30.0070.0177.36
4.4.20.0030.0237.36
4.4.10.0030.0207.36
4.4.00.0070.0407.36
4.3.110.0070.0237.36
4.3.100.0030.0207.36
4.3.90.0030.0207.36
4.3.80.0030.0307.35
4.3.70.0070.0237.32
4.3.60.0030.0207.32
4.3.50.0100.0137.32
4.3.40.0030.0307.32
4.3.30.0070.0277.33
4.3.20.0070.0237.33
4.3.10.0000.0237.33
4.3.00.0130.0236.66

preferences:
49.48 ms | 401 KiB | 5 Q