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 = '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 { $len = strlen($beforeDot); if ($len <= $exp) { return $beforeDot.($afterDot !== '0' ? $afterDot : '').str_repeat('0', $exp - $len).'i'; } else { return $beforeDot.substr($afterDot, 0, $exp).substr($afterDot, $exp, strlen($afterDot)); } } var_dump($beforeDot, $afterDot); } var_dump(convertFloat(1.004e-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)
8.3.60.0030.01618.39
8.3.50.0090.00621.20
8.3.40.0120.00318.67
8.3.30.0000.01320.34
8.3.20.0050.00220.18
8.3.10.0060.00321.95
8.3.00.0040.00422.50
8.2.180.0090.00616.50
8.2.170.0140.00722.96
8.2.160.0070.00722.11
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0080.00826.16
8.2.120.0040.00419.54
8.2.110.0080.00019.27
8.2.100.0070.00417.59
8.2.90.0080.00019.05
8.2.80.0040.00419.40
8.2.70.0060.00317.50
8.2.60.0140.00017.30
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0040.00417.88
8.2.20.0040.00417.60
8.2.10.0000.00717.68
8.2.00.0000.00917.59
8.1.280.0030.01425.92
8.1.270.0060.00323.99
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0000.00923.63
8.1.230.0070.00420.91
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0000.00817.40
8.1.180.0100.00018.76
8.1.170.0040.00418.26
8.1.160.0050.00222.15
8.1.150.0040.00418.57
8.1.140.0060.00317.40
8.1.130.0070.00017.93
8.1.120.0020.00517.37
8.1.110.0000.00817.43
8.1.100.0050.00217.44
8.1.90.0040.00417.34
8.1.80.0070.00017.48
8.1.70.0030.00317.45
8.1.60.0030.00517.65
8.1.50.0040.00417.53
8.1.40.0030.00517.57
8.1.30.0000.00817.68
8.1.20.0040.00417.68
8.1.10.0030.00517.52
8.1.00.0000.01017.44
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0000.00718.25
8.0.270.0030.00317.20
8.0.260.0000.00816.71
8.0.250.0030.00316.82
8.0.240.0000.00816.91
8.0.230.0030.00516.77
8.0.220.0030.00316.82
8.0.210.0070.00016.75
8.0.200.0000.00716.86
8.0.190.0020.00516.87
8.0.180.0000.00716.83
8.0.170.0050.00316.88
8.0.160.0070.00016.78
8.0.150.0000.00716.81
8.0.140.0070.00416.70
8.0.130.0030.00313.25
8.0.120.0050.00216.89
8.0.110.0030.00516.73
8.0.100.0050.00216.80
8.0.90.0000.00716.80
8.0.80.0090.00616.74
8.0.70.0030.00416.63
8.0.60.0000.00816.91
8.0.50.0000.00716.66
8.0.30.0180.00517.13
8.0.20.0110.00817.40
8.0.10.0000.00717.08
8.0.00.0130.01016.60
7.4.330.0050.00015.00
7.4.320.0030.00316.36
7.4.300.0060.00016.53
7.4.290.0030.00316.57
7.4.280.0030.00316.50
7.4.270.0070.00016.55
7.4.260.0040.00416.53
7.4.250.0000.00716.46
7.4.240.0050.00316.51
7.4.230.0070.00016.31
7.4.220.0180.00016.43
7.4.210.0060.00916.56
7.4.200.0000.00716.63
7.4.190.0040.00416.64
7.4.160.0100.00716.68
7.4.150.0110.00717.40
7.4.140.0070.01117.86
7.4.130.0110.00716.53
7.4.120.0120.00616.63
7.4.110.0070.01616.43
7.4.100.0070.01016.46
7.4.90.0120.00616.55
7.4.80.0100.01419.39
7.4.70.0130.00316.43
7.4.60.0080.00816.60
7.4.50.0000.00716.50
7.4.40.0060.00922.77
7.4.30.0120.00616.46
7.4.00.0090.00614.93
7.3.330.0050.00013.18
7.3.320.0030.00313.44
7.3.310.0070.00016.38
7.3.300.0000.00716.37
7.3.290.0100.01016.37
7.3.280.0070.00816.35
7.3.270.0120.01217.40
7.3.260.0030.01316.58
7.3.250.0100.00716.56
7.3.240.0070.01616.50
7.3.230.0150.00416.41
7.3.210.0100.00716.66
7.3.200.0160.00019.39
7.3.190.0120.00916.61
7.3.180.0030.02016.32
7.3.170.0070.01016.37
7.3.160.0090.00616.43
7.3.120.0040.01214.71
7.2.330.0060.01216.62
7.2.320.0090.00916.52
7.2.310.0090.01216.69
7.2.300.0080.00816.34
7.2.290.0070.01016.53
7.2.00.0110.00419.00
7.1.100.0040.00817.94
7.1.70.0070.00017.30
7.1.60.0100.01419.40
7.1.50.0070.01316.98
7.1.00.0000.03722.29
7.0.200.0030.00316.86
7.0.140.0070.06722.07
7.0.60.0100.07719.92
7.0.50.0000.04717.84
7.0.40.0030.09020.40
7.0.30.0230.04020.13
7.0.20.0170.06020.16
7.0.10.0270.07720.23
7.0.00.0030.07720.22
5.6.280.0000.07720.90
5.6.210.0130.07720.70
5.6.200.0070.08318.19
5.6.190.0070.06720.51
5.6.180.3030.04020.39
5.6.170.0100.04720.54
5.6.160.0070.04020.57
5.6.150.0070.08318.27
5.6.140.0030.04718.23
5.6.130.0130.08018.18
5.6.120.0030.08020.98
5.6.110.0100.08020.90
5.6.100.0130.05021.12
5.6.90.0130.07321.00
5.6.80.0000.06720.38
5.6.70.0270.05020.51
5.5.350.0170.07020.43
5.5.340.0100.05718.04
5.5.330.0070.05320.35
5.5.320.0200.05720.25
5.5.310.0170.04320.27
5.5.300.0100.05718.08
5.5.290.0070.08018.09
5.5.280.0100.06020.75
5.5.270.0000.04320.80
5.5.260.0100.08020.80
5.5.250.0030.06020.63
5.5.240.0270.05720.38
5.4.450.0100.05719.20
5.4.440.1030.06319.45
5.4.430.0430.04319.16
5.4.420.0730.05319.38
5.4.410.0630.05319.18
5.4.400.1300.05718.77
5.4.390.1170.05318.54
5.4.380.0930.06718.51
5.4.370.0170.05018.76
5.4.360.0370.03018.54
5.4.350.0120.05012.03
5.4.340.0090.04912.03
5.4.320.0060.03812.51
5.4.310.0050.05012.50
5.4.300.0040.03912.51
5.4.290.0070.03812.51
5.4.280.0090.03612.40
5.4.270.0080.04212.41
5.4.260.0080.03612.40
5.4.250.0170.05718.83
5.4.240.0130.06719.02
5.4.230.0100.05319.00
5.4.220.0100.05718.87
5.4.210.0100.05318.99
5.4.200.0030.06018.76
5.4.190.0100.04719.08
5.4.180.0070.07718.92
5.4.170.0100.06719.08
5.4.160.0200.04318.94
5.4.150.0070.07019.07
5.4.140.0030.05716.32
5.4.130.0070.07016.38
5.4.120.0030.05016.43
5.4.110.0130.06316.49
5.4.100.0070.07016.33
5.4.90.0070.08316.37
5.4.80.0070.06716.39
5.4.70.0070.06016.45
5.4.60.0100.05716.36
5.4.50.0000.05716.38
5.4.40.0130.06316.43
5.4.30.0070.04716.51
5.4.20.0100.05016.27
5.4.10.0070.05716.43
5.4.00.0170.06315.78
5.3.290.0050.04012.80
5.3.280.0100.04714.78
5.3.270.0170.04314.61
5.3.260.0070.07314.85
5.3.250.0230.05714.63
5.3.240.0070.05314.75
5.3.230.0070.05314.46
5.3.220.0070.05314.48
5.3.210.0000.06314.65
5.3.200.0070.05014.66
5.3.190.0100.05314.66
5.3.180.0070.07314.56
5.3.170.0000.06314.59
5.3.160.0100.07014.41
5.3.150.0130.06714.71
5.3.140.0000.07314.47
5.3.130.0030.06014.56
5.3.120.0100.05714.64
5.3.110.0070.05314.58
5.3.100.0130.07014.18
5.3.90.0130.04314.11
5.3.80.0070.05314.11
5.3.70.0230.05314.01
5.3.60.0100.04313.92
5.3.50.0130.04313.95
5.3.40.0070.05314.07
5.3.30.0070.07013.82
5.3.20.0170.04313.78
5.3.10.0070.05013.66
5.3.00.0170.06013.82
5.2.170.0070.05011.34
5.2.160.0070.04011.23
5.2.150.0030.06011.38
5.2.140.0030.06311.14
5.2.130.0130.03711.02
5.2.120.0130.03311.21
5.2.110.0030.04711.20
5.2.100.0070.04311.20
5.2.90.0030.04310.94
5.2.80.0100.03711.09
5.2.70.0030.04711.09
5.2.60.0070.04011.24
5.2.50.0130.05011.12
5.2.40.0070.04711.25
5.2.30.0170.03010.98
5.2.20.0130.05711.19
5.2.10.0070.04010.70
5.2.00.0070.04010.96
5.1.60.0070.03710.04
5.1.50.0070.0379.97
5.1.40.0030.0409.95
5.1.30.0030.03710.31
5.1.20.0030.03710.46
5.1.10.0000.04010.14
5.1.00.0000.04010.09
5.0.50.0030.0278.50
5.0.40.0170.0208.44
5.0.30.0000.0638.29
5.0.20.0000.0338.28
5.0.10.0000.0338.12
5.0.00.0030.0538.16
4.4.90.0030.0277.42
4.4.80.0030.0307.42
4.4.70.0030.0307.42
4.4.60.0000.0307.42
4.4.50.0030.0207.42
4.4.40.0070.0307.42
4.4.30.0000.0237.42
4.4.20.0000.0237.42
4.4.10.0030.0237.42
4.4.00.0000.0337.42
4.3.110.0000.0337.42
4.3.100.0070.0177.42
4.3.90.0000.0237.42
4.3.80.0000.0337.42
4.3.70.0030.0207.42
4.3.60.0000.0207.42
4.3.50.0000.0237.42
4.3.40.0030.0307.42
4.3.30.0030.0207.42
4.3.20.0100.0137.42
4.3.10.0070.0237.42
4.3.00.0230.0206.65

preferences:
49.79 ms | 401 KiB | 5 Q