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('1.e-5'));

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)
8.3.40.0060.00918.67
8.3.30.0100.00320.23
8.3.20.0030.00520.31
8.3.10.0040.00422.04
8.3.00.0030.00522.58
8.2.170.0120.00922.96
8.2.160.0100.00320.41
8.2.150.0040.00424.18
8.2.140.0090.00924.66
8.2.130.0000.00726.16
8.2.120.0040.00419.66
8.2.110.0100.00722.30
8.2.100.0080.00319.34
8.2.90.0000.00819.17
8.2.80.0000.00819.13
8.2.70.0000.00817.49
8.2.60.0080.00017.93
8.2.50.0030.00618.07
8.2.40.0000.00918.34
8.2.30.0000.00718.13
8.2.20.0040.00417.74
8.2.10.0080.00017.87
8.2.00.0070.00017.67
8.1.270.0030.00720.20
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00618.48
8.1.230.0120.00019.00
8.1.220.0000.00917.78
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0060.00317.51
8.1.180.0000.00818.83
8.1.170.0000.00818.55
8.1.160.0050.00322.21
8.1.150.0040.00418.65
8.1.140.0020.00517.35
8.1.130.0070.00017.77
8.1.120.0050.00317.46
8.1.110.0070.00017.54
8.1.100.0030.00517.41
8.1.90.0050.00217.48
8.1.80.0040.00417.37
8.1.70.0070.00017.43
8.1.60.0030.00517.49
8.1.50.0000.00817.60
8.1.40.0000.00817.54
8.1.30.0000.00717.61
8.1.20.0060.00317.63
8.1.10.0000.00717.57
8.1.00.0040.00717.43
8.0.300.0070.00018.77
8.0.290.0040.00417.04
8.0.280.0040.00418.43
8.0.270.0030.00317.24
8.0.260.0030.00316.85
8.0.250.0030.00316.95
8.0.240.0040.00416.99
8.0.230.0040.00416.97
8.0.220.0000.00716.91
8.0.210.0030.00516.83
8.0.200.0060.00016.96
8.0.190.0000.00817.00
8.0.180.0050.00216.95
8.0.170.0040.00416.90
8.0.160.0000.00716.80
8.0.150.0050.00316.81
8.0.140.0030.00716.93
8.0.130.0040.00413.30
8.0.120.0030.00516.79
8.0.110.0040.00416.83
8.0.100.0000.00816.74
8.0.90.0070.00016.73
8.0.80.0030.01616.93
8.0.70.0050.00216.82
8.0.60.0040.00417.02
8.0.50.0030.00516.89
8.0.30.0050.01317.10
8.0.20.0110.00817.40
8.0.10.0050.00217.10
8.0.00.0120.00616.86
7.4.330.0000.00515.00
7.4.320.0070.00016.66
7.4.300.0030.00316.63
7.4.290.0030.00316.43
7.4.280.0000.00716.66
7.4.270.0030.00316.55
7.4.260.0050.00316.59
7.4.250.0040.00416.54
7.4.240.0020.00616.46
7.4.230.0000.00716.53
7.4.220.0170.00016.55
7.4.210.0090.00816.55
7.4.200.0070.00016.62
7.4.190.0030.00316.59
7.4.160.0170.00616.60
7.4.150.0090.00917.40
7.4.140.0090.01117.86
7.4.130.0130.00416.54
7.4.120.0070.01216.54
7.4.110.0110.00716.50
7.4.100.0120.00616.55
7.4.90.0190.00416.40
7.4.80.0090.00919.39
7.4.70.0130.00316.55
7.4.60.0060.00916.43
7.4.50.0000.00916.29
7.4.40.0100.00322.77
7.4.30.0170.00416.55
7.4.00.0080.00715.24
7.3.330.0000.00513.38
7.3.320.0060.00013.42
7.3.310.0070.00016.42
7.3.300.0070.00016.25
7.3.290.0070.01316.39
7.3.280.0080.00816.38
7.3.270.0160.00017.40
7.3.260.0100.00716.39
7.3.250.0120.00516.42
7.3.240.0120.00516.55
7.3.230.0100.00716.71
7.3.210.0160.00616.38
7.3.200.0100.01219.39
7.3.190.0060.01616.58
7.3.180.0060.01216.55
7.3.170.0100.01016.43
7.3.160.0060.00916.31
7.3.120.0070.00814.98
7.3.110.0070.00914.83
7.3.100.0090.00714.83
7.3.90.0070.00614.89
7.3.80.0070.00814.92
7.3.70.0060.01014.74
7.3.60.0110.00314.75
7.3.50.0040.00914.67
7.3.40.0050.01114.87
7.3.30.0050.00914.64
7.3.20.0070.00916.64
7.3.10.0030.01016.30
7.3.00.0030.01016.72
7.2.330.0100.01016.80
7.2.320.0030.01716.78
7.2.310.0150.00416.76
7.2.300.0070.01016.73
7.2.290.0080.00816.60
7.2.250.0040.01515.11
7.2.240.0070.01214.85
7.2.230.0040.01115.00
7.2.220.0110.00515.09
7.2.210.0100.00615.26
7.2.200.0070.00815.10
7.2.190.0080.00715.11
7.2.180.0050.00915.01
7.2.170.0030.01315.08
7.2.160.0080.00814.80
7.2.150.0070.00717.07
7.2.140.0100.00316.96
7.2.130.0080.00416.94
7.2.120.0120.00017.06
7.2.110.0040.01416.94
7.2.100.0070.01016.90
7.2.90.0070.00717.02
7.2.80.0070.00316.62
7.2.70.0070.00716.67
7.2.60.0030.01216.81
7.2.50.0070.01017.02
7.2.40.0040.01416.81
7.2.30.0060.00916.96
7.2.20.0060.00616.97
7.2.10.0000.01317.00
7.2.00.0070.00518.30
7.1.330.0060.01016.02
7.1.320.0020.01215.68
7.1.310.0050.01015.69
7.1.300.0030.00815.65
7.1.290.0070.00715.80
7.1.280.0090.00515.57
7.1.270.0030.00915.69
7.1.260.0050.00615.92
7.1.250.0040.01116.00
7.1.200.0090.00015.69
7.1.100.0030.01218.04
7.1.70.0040.00417.13
7.1.60.0060.01819.40
7.1.50.0060.01216.69
7.1.00.0030.07722.36
7.0.200.0030.00516.66
7.0.140.0070.06722.21
7.0.60.0270.06319.95
7.0.50.0030.04717.88
7.0.40.0070.05020.27
7.0.30.0230.04320.30
7.0.20.0230.06320.23
7.0.10.0130.08020.12
7.0.00.0030.09320.27
5.6.280.0030.07321.12
5.6.210.0100.07720.52
5.6.200.0030.09018.21
5.6.190.0100.08720.77
5.6.180.0270.09020.52
5.6.170.0300.07320.50
5.6.160.0100.08020.71
5.6.150.0130.07318.16
5.6.140.0100.04318.27
5.6.130.0170.06718.18
5.6.120.0130.07321.07
5.6.110.0130.08321.00
5.6.100.0030.09021.02
5.6.90.0100.08020.98
5.6.80.0170.07320.54
5.5.350.0130.07720.40
5.5.340.0070.04717.94
5.5.330.0070.08320.19
5.5.320.0170.05720.41
5.5.310.0230.04020.21
5.5.300.0000.04017.97
5.5.290.0070.04017.98
5.5.280.0030.06020.79
5.5.270.0100.04020.78
5.5.260.0200.07020.84
5.5.250.0100.08320.59
5.5.240.4130.04020.09
5.4.450.0830.05019.59
5.4.440.0830.05019.70
5.4.430.0070.05719.70
5.4.420.0730.05719.63
5.4.410.0770.05019.07
5.4.400.1300.06718.52
5.4.390.1170.06318.63
5.4.380.0170.06718.56
5.4.370.0170.04718.73
5.4.360.0170.05018.53
5.4.350.0080.03712.03
5.4.340.0080.04612.03
5.4.320.0080.03712.52
5.4.310.0070.03712.51
5.4.300.0050.03612.52
5.4.290.0070.03912.51
5.4.280.0100.03712.41
5.4.270.0110.03812.41
5.4.260.0100.03912.41
5.4.250.0200.04018.98
5.4.240.0000.06318.76
5.4.230.0100.04718.98
5.4.220.0070.05718.99
5.4.210.0030.05718.79
5.4.200.0070.05319.11
5.4.190.0230.05318.79
5.4.180.0100.07018.95
5.4.170.0230.04718.97
5.4.160.0100.04718.95
5.4.150.0170.04318.78
5.4.140.0100.05016.34
5.4.130.0070.05016.25
5.4.120.0170.05716.50
5.4.110.0070.05016.36
5.4.100.0070.04716.50
5.4.90.0070.05016.36
5.4.80.0100.04316.53
5.4.70.0070.06316.32
5.4.60.0100.04716.46
5.4.50.0030.05316.32
5.4.40.0100.04716.41
5.4.30.0070.06016.40
5.4.20.0100.04716.38
5.4.10.0070.05316.30
5.4.00.0030.05715.87
5.3.290.0050.04412.80
5.3.280.0070.06314.61
5.3.270.0100.06014.59
5.3.260.0070.05014.68
5.3.250.0170.04314.85
5.3.240.0070.05314.84
5.3.230.0070.05014.52
5.3.220.0070.06014.57
5.3.210.0070.08014.81
5.3.200.0100.04714.64
5.3.190.0000.06714.57
5.3.180.0000.05714.80
5.3.170.0100.05014.72
5.3.160.0030.06314.49
5.3.150.0100.05014.57
5.3.140.0170.04714.65
5.3.130.0100.05014.55
5.3.120.0030.06014.55
5.3.110.0170.04714.47
5.3.100.0130.06014.02
5.3.90.0070.06014.20
5.3.80.0170.05314.02
5.3.70.0030.05014.05
5.3.60.0030.05014.00
5.3.50.0030.05013.93
5.3.40.0100.05013.80
5.3.30.0000.05713.91
5.3.20.0030.05313.89
5.3.10.0030.07013.74
5.3.00.0030.05313.64
5.2.170.0070.04011.38
5.2.160.0000.04711.33
5.2.150.0070.04711.07
5.2.140.0000.04311.25
5.2.130.0170.04711.21
5.2.120.0070.03711.19
5.2.110.0100.05310.95
5.2.100.0100.03011.20
5.2.90.0030.04311.02
5.2.80.0100.04011.18
5.2.70.0100.05711.18
5.2.60.0070.04311.06
5.2.50.0030.04011.13
5.2.40.0130.04310.93
5.2.30.0070.03711.07
5.2.20.0070.05011.05
5.2.10.0070.04010.95
5.2.00.0030.05310.65
5.1.60.0070.05010.11
5.1.50.0070.0379.99
5.1.40.0100.0279.83
5.1.30.0030.03710.43
5.1.20.0070.03310.45
5.1.10.0170.02710.04
5.1.00.0070.03010.01
5.0.50.0000.0308.48
5.0.40.0070.0278.51
5.0.30.0030.0508.30
5.0.20.0030.0308.18
5.0.10.0070.0278.20
5.0.00.0030.0438.24
4.4.90.0000.0277.35
4.4.80.0030.0307.35
4.4.70.0170.0207.35
4.4.60.0030.0237.35
4.4.50.0070.0177.35
4.4.40.0030.0337.35
4.4.30.0000.0237.35
4.4.20.0100.0177.35
4.4.10.0000.0237.35
4.4.00.0030.0307.35
4.3.110.0000.0237.35
4.3.100.0070.0177.35
4.3.90.0000.0237.35
4.3.80.0030.0307.35
4.3.70.0070.0177.35
4.3.60.0100.0177.35
4.3.50.0000.0337.35
4.3.40.0000.0377.35
4.3.30.0000.0307.35
4.3.20.0000.0277.35
4.3.10.0000.0237.35
4.3.00.0170.0206.66

preferences:
37.92 ms | 400 KiB | 5 Q