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'); } if ($exp < 0) { $len = strlen($afterDot); if ($len <= $exp) { return $beforeDot.$afterDot; } } else { $len = strlen($afterDot); if ($len <= $exp) { return $beforeDot.$afterDot.str_repeat('0', $exp - $len).'i'; } else { return $beforeDot.substr($afterDot, 0, $dotPos).'.'.substr($afterDot, $dotPos, strlen($afterDot)); } } var_dump($beforeDot, $afterDot); } var_dump(convertFloat('1.1111111111111111111111111111111111111111111111111111111111111e+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)
8.3.60.0170.00018.28
8.3.50.0100.00621.21
8.3.40.0040.01118.64
8.3.30.0070.01020.33
8.3.20.0070.00020.16
8.3.10.0040.00422.15
8.3.00.0040.00422.50
8.2.180.0090.00616.75
8.2.170.0120.00322.96
8.2.160.0070.00720.35
8.2.150.0060.00324.18
8.2.140.0130.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00419.66
8.2.110.0060.00322.22
8.2.100.0060.00619.27
8.2.90.0000.00719.19
8.2.80.0000.00719.42
8.2.70.0030.00517.50
8.2.60.0000.00818.03
8.2.50.0000.00818.07
8.2.40.0040.00418.28
8.2.30.0000.00718.08
8.2.20.0080.00017.65
8.2.10.0040.00417.64
8.2.00.0000.00717.84
8.1.280.0100.01025.92
8.1.270.0030.00620.41
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0050.00523.83
8.1.230.0050.00619.08
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0070.00317.47
8.1.190.0080.00017.66
8.1.180.0040.00418.80
8.1.170.0040.00418.66
8.1.160.0040.00422.14
8.1.150.0030.00518.69
8.1.140.0000.00717.33
8.1.130.0030.00317.95
8.1.120.0000.00817.39
8.1.110.0000.00717.43
8.1.100.0040.00417.48
8.1.90.0000.00717.46
8.1.80.0000.00717.52
8.1.70.0050.00317.36
8.1.60.0060.00317.46
8.1.50.0080.00017.49
8.1.40.0040.00417.52
8.1.30.0000.00717.61
8.1.20.0040.00417.54
8.1.10.0000.00717.46
8.1.00.0030.00917.30
8.0.300.0080.00018.77
8.0.290.0000.00717.15
8.0.280.0000.00718.45
8.0.270.0030.00317.16
8.0.260.0000.00616.88
8.0.250.0030.00316.95
8.0.240.0050.00216.94
8.0.230.0040.00416.98
8.0.220.0070.00016.86
8.0.210.0000.00716.89
8.0.200.0000.00816.89
8.0.190.0060.00316.99
8.0.180.0040.00416.92
8.0.170.0040.00416.95
8.0.160.0040.00416.84
8.0.150.0030.00616.80
8.0.140.0000.01016.86
8.0.130.0000.00613.34
8.0.120.0030.00516.88
8.0.110.0040.00416.79
8.0.100.0040.00416.78
8.0.90.0000.00716.77
8.0.80.0070.01016.95
8.0.70.0000.00716.81
8.0.60.0040.00416.95
8.0.50.0050.00316.88
8.0.30.0100.00917.07
8.0.20.0150.00417.42
8.0.10.0040.00416.83
8.0.00.0090.01416.72
7.4.330.0000.00515.00
7.4.320.0030.00316.54
7.4.300.0030.00316.48
7.4.290.0070.00016.62
7.4.280.0070.00016.64
7.4.270.0030.00616.47
7.4.260.0040.00416.59
7.4.250.0000.00716.38
7.4.240.0040.00316.49
7.4.230.0000.00716.55
7.4.220.0110.00816.64
7.4.210.0080.00816.56
7.4.200.0030.00516.40
7.4.190.0050.00316.57
7.4.160.0090.01516.74
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0100.00816.60
7.4.120.0120.00616.56
7.4.110.0110.00616.36
7.4.100.0080.01616.64
7.4.90.0080.00816.61
7.4.80.0110.00719.39
7.4.70.0140.00716.45
7.4.60.0030.01316.50
7.4.50.0040.00016.45
7.4.40.0130.00322.77
7.4.30.0040.01916.61
7.4.00.0060.00914.76
7.3.330.0000.00613.19
7.3.320.0050.00013.32
7.3.310.0000.00716.27
7.3.300.0030.00316.20
7.3.290.0040.01116.37
7.3.280.0090.00816.30
7.3.270.0030.01417.40
7.3.260.0100.00716.57
7.3.250.0110.00716.43
7.3.240.0140.00616.38
7.3.230.0190.00316.39
7.3.210.0100.00716.38
7.3.200.0030.01419.39
7.3.190.0130.01016.46
7.3.180.0040.01416.22
7.3.170.0070.00916.47
7.3.160.0130.00316.57
7.3.120.0040.01114.80
7.2.330.0100.00716.70
7.2.320.0100.00716.45
7.2.310.0030.01316.70
7.2.300.0080.00916.66
7.2.290.0030.01416.54
7.2.00.0060.01019.16
7.1.100.0110.00718.15
7.1.70.0000.01117.19
7.1.60.0090.01519.40
7.1.50.0100.01016.68
7.1.00.0000.05322.54
7.0.200.0000.00716.88
7.0.140.0000.07722.08
7.0.100.0100.03320.00
7.0.90.0000.05019.89
7.0.80.0330.08319.94
7.0.70.0230.10019.92
7.0.60.0030.05719.89
7.0.50.0130.07320.32
7.0.40.0100.07720.03
7.0.30.0100.08320.07
7.0.20.0070.06319.98
7.0.10.0100.08020.07
7.0.00.0070.04020.13
5.6.280.0030.07321.05
5.6.250.0100.08020.63
5.6.240.0100.05320.52
5.6.230.0070.08020.51
5.6.220.0070.08320.75
5.6.210.0070.07320.67
5.6.200.0100.07321.02
5.6.190.0100.08021.07
5.6.180.0130.04721.04
5.6.170.0100.05021.10
5.6.160.0030.06021.01
5.6.150.0130.07721.11
5.6.140.0130.06721.05
5.6.130.0130.07721.02
5.6.120.0030.08021.10
5.6.110.0100.07320.93
5.6.100.0030.06721.03
5.6.90.0130.08021.03
5.6.80.0000.07720.40
5.6.70.0170.06720.40
5.6.60.0070.03320.33
5.6.50.0030.03720.52
5.6.40.0000.05020.44
5.6.30.0200.02720.46
5.6.20.0100.07020.48
5.6.10.0000.07720.29
5.6.00.0170.07320.37
5.5.380.0030.05020.52
5.5.370.0030.08020.58
5.5.360.0170.07020.35
5.5.350.0100.04320.35
5.5.340.0130.07020.88
5.5.330.0130.04020.84
5.5.320.0070.08320.88
5.5.310.0100.03320.84
5.5.300.0130.07320.91
5.5.290.0030.08020.89
5.5.280.0030.05320.93
5.5.270.0070.05020.75
5.5.260.0070.04720.82
5.5.250.0030.04720.70
5.5.240.0030.04020.03
5.5.230.0000.07320.24
5.5.220.0000.08320.24
5.5.210.0070.04020.21
5.5.200.0030.08320.23
5.5.190.0100.07320.13
5.5.180.0130.07320.08
5.5.160.0170.05720.11
5.5.150.0100.07020.20
5.5.140.0170.05720.24
5.5.130.0130.07020.28
5.5.120.0100.03020.13
5.5.110.0030.04020.11
5.5.100.0030.04020.02
5.5.90.0070.06020.07
5.5.80.0070.08020.15
5.5.70.0200.06020.06
5.5.60.0070.03720.14
5.5.50.0070.03720.05
5.5.40.0100.04019.95
5.5.30.0070.07320.14
5.5.20.0030.04720.14
5.5.10.0000.04720.08
5.5.00.0070.07720.03
5.4.450.0170.07319.18
5.4.440.0130.05719.53
5.4.430.0200.07319.45
5.4.420.0070.03719.51
5.4.410.0000.06019.24
5.4.400.0100.07719.05
5.4.390.0070.05019.04
5.4.380.0000.04019.04
5.4.370.0200.06719.04
5.4.360.0070.07319.16
5.4.350.0070.07719.05
5.4.340.0100.03319.21
5.4.320.0030.07319.13
5.4.310.0070.05319.09
5.4.300.0030.04018.90
5.4.290.0130.05719.02
5.4.280.0030.04018.95
5.4.270.0100.04318.85
5.4.260.0000.04319.03
5.4.250.0000.04019.20
5.4.240.0030.07719.13
5.4.230.0170.06019.03
5.4.220.0030.04019.17
5.4.210.0030.07019.14
5.4.200.0000.06319.13
5.4.190.0030.04019.11
5.4.180.0100.07019.12
5.4.170.0070.03719.02
5.4.160.0030.08019.04
5.4.150.0100.06319.23
5.4.140.0030.06716.35
5.4.130.0070.07316.41
5.4.120.0100.05716.23
5.4.110.0030.07716.51
5.4.100.0100.07016.27
5.4.90.0070.06316.39
5.4.80.0100.06716.45
5.4.70.0070.07716.45
5.4.60.0100.02716.33
5.4.50.0030.03316.47
5.4.40.0070.06316.52
5.4.30.0000.04316.29
5.4.20.0130.06316.41
5.4.10.0130.06316.26
5.4.00.0070.07015.79
5.3.290.0030.03714.65
5.3.280.0070.07314.70
5.3.270.0070.04014.63
5.3.260.0100.07014.72
5.3.250.0100.05714.54
5.3.240.0030.05314.59
5.3.230.0130.05014.53
5.3.220.0030.04314.58
5.3.210.0100.04014.72
5.3.200.0100.05714.59
5.3.190.0000.07714.64
5.3.180.0100.07014.58
5.3.170.0100.03714.59
5.3.160.0000.07014.64
5.3.150.0100.05014.55
5.3.140.0030.07014.60
5.3.130.0030.07314.53
5.3.120.0100.07014.54
5.3.110.0030.03314.51
5.3.100.0030.08013.98
5.3.90.0070.06014.15
5.3.80.0070.05714.15
5.3.70.0100.07014.13
5.3.60.0030.07714.12
5.3.50.0000.06713.99
5.3.40.0000.05314.02
5.3.30.0070.06013.84
5.3.20.0070.07313.70
5.3.10.0100.06713.73
5.3.00.0070.04013.79
5.2.170.0030.06311.22
5.2.160.0000.07011.18
5.2.150.0000.06711.25
5.2.140.0000.05711.04
5.2.130.0100.05711.21
5.2.120.0000.07011.13
5.2.110.0030.03311.04
5.2.100.0030.06311.14
5.2.90.0030.02711.21
5.2.80.0070.06711.21
5.2.70.0030.05311.00
5.2.60.0030.04010.98
5.2.50.0070.05711.16
5.2.40.0000.03311.11
5.2.30.0070.06011.10
5.2.20.0030.05710.91
5.2.10.0170.05010.86
5.2.00.0070.05010.64
5.1.60.0000.03010.13
5.1.50.0030.05310.08
5.1.40.0000.0309.84
5.1.30.0030.04710.27
5.1.20.0070.03010.43
5.1.10.0030.03010.07
5.1.00.0000.03010.15
5.0.50.0030.0238.62
5.0.40.0000.0478.31
5.0.30.0000.0338.25
5.0.20.0000.0478.21
5.0.10.0070.0408.18
5.0.00.0030.0608.08
4.4.90.0030.0308.08
4.4.80.0000.0278.08
4.4.70.0000.0438.08
4.4.60.0030.0138.08
4.4.50.0000.0178.08
4.4.40.0000.0408.08
4.4.30.0030.0338.08
4.4.20.0000.0208.08
4.4.10.0030.0308.08
4.4.00.0030.0338.08
4.3.110.0000.0178.08
4.3.100.0030.0138.08
4.3.90.0000.0308.08
4.3.80.0000.0408.08
4.3.70.0030.0338.08
4.3.60.0030.0308.08
4.3.50.0000.0338.08
4.3.40.0030.0238.08
4.3.30.0000.0338.08
4.3.20.0000.0338.08
4.3.10.0000.0278.08
4.3.00.0000.0438.08

preferences:
31.99 ms | 401 KiB | 5 Q