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-61'));

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)
8.3.60.0130.00718.43
8.3.50.0120.00321.99
8.3.40.0070.00718.70
8.3.30.0100.00320.41
8.3.20.0070.00020.34
8.3.10.0070.00021.79
8.3.00.0080.00022.18
8.2.180.0000.01516.88
8.2.170.0070.00722.96
8.2.160.0100.00320.32
8.2.150.0040.00424.18
8.2.140.0090.00624.66
8.2.130.0070.00726.16
8.2.120.0000.00919.79
8.2.110.0050.00522.28
8.2.100.0070.00419.28
8.2.90.0000.00819.28
8.2.80.0000.00819.44
8.2.70.0040.00417.63
8.2.60.0050.00318.04
8.2.50.0030.00618.07
8.2.40.0050.00317.91
8.2.30.0030.00518.05
8.2.20.0040.00417.68
8.2.10.0040.00417.71
8.2.00.0070.00017.75
8.1.280.0070.01025.92
8.1.270.0030.00620.27
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00723.82
8.1.230.0030.00918.97
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0040.00417.53
8.1.180.0000.00818.87
8.1.170.0030.00518.65
8.1.160.0000.00722.11
8.1.150.0070.00018.63
8.1.140.0040.00417.54
8.1.130.0030.00317.84
8.1.120.0030.00317.51
8.1.110.0060.00317.53
8.1.100.0040.00417.35
8.1.90.0030.00317.53
8.1.80.0000.00817.50
8.1.70.0040.00417.38
8.1.60.0050.00517.46
8.1.50.0040.00417.51
8.1.40.0000.00817.43
8.1.30.0000.00717.69
8.1.20.0050.00317.73
8.1.10.0000.00717.61
8.1.00.0040.00417.48
8.0.300.0050.00318.77
8.0.290.0040.00416.93
8.0.280.0000.00718.44
8.0.270.0000.00717.30
8.0.260.0060.00016.85
8.0.250.0040.00416.99
8.0.240.0040.00416.98
8.0.230.0030.00317.02
8.0.220.0030.00316.90
8.0.210.0040.00416.89
8.0.200.0030.00316.95
8.0.190.0040.00416.87
8.0.180.0040.00416.94
8.0.170.0050.00316.91
8.0.160.0040.00316.86
8.0.150.0000.00716.88
8.0.140.0000.00916.84
8.0.130.0000.00613.35
8.0.120.0000.00716.91
8.0.110.0000.00716.91
8.0.100.0080.00016.96
8.0.90.0000.00816.98
8.0.80.0070.00416.92
8.0.70.0040.00416.94
8.0.60.0040.00416.98
8.0.50.0030.00516.92
8.0.30.0130.00516.95
8.0.20.0070.01117.43
8.0.10.0000.00717.07
8.0.00.0120.00916.77
7.4.330.0050.00015.00
7.4.320.0000.00616.61
7.4.300.0030.00316.57
7.4.290.0040.00416.42
7.4.280.0040.00416.65
7.4.270.0040.00416.64
7.4.260.0030.00316.41
7.4.250.0000.00716.46
7.4.240.0030.00316.63
7.4.230.0030.00316.44
7.4.220.0070.01016.66
7.4.210.0080.00716.53
7.4.200.0000.00716.66
7.4.190.0030.00316.57
7.4.160.0070.01016.52
7.4.150.0110.00717.40
7.4.140.0120.01217.86
7.4.130.0120.00716.49
7.4.120.0080.00916.53
7.4.110.0090.00916.67
7.4.100.0100.00716.63
7.4.90.0140.00316.48
7.4.80.0120.00919.39
7.4.70.0150.00316.36
7.4.60.0100.00616.39
7.4.50.0030.00616.43
7.4.40.0070.00722.77
7.4.30.0140.01116.68
7.4.00.0120.00314.84
7.3.330.0020.00213.35
7.3.320.0030.00313.15
7.3.310.0070.00016.38
7.3.300.0050.00216.24
7.3.290.0070.00716.41
7.3.280.0110.00616.39
7.3.270.0140.00317.40
7.3.260.0130.00516.56
7.3.250.0130.00516.56
7.3.240.0100.00916.55
7.3.230.0130.00716.57
7.3.210.0070.01116.70
7.3.200.0120.00916.31
7.3.190.0150.00916.46
7.3.180.0090.00816.52
7.3.170.0160.00616.39
7.3.160.0160.00516.37
7.3.120.0030.01415.11
7.3.10.0030.01116.60
7.3.00.0080.00516.56
7.2.330.0100.00616.71
7.2.320.0090.00916.75
7.2.310.0110.00716.45
7.2.300.0090.00916.59
7.2.290.0140.00316.70
7.2.130.0100.00516.71
7.2.120.0060.00916.71
7.2.110.0080.00816.63
7.2.100.0050.00916.57
7.2.90.0070.00616.70
7.2.80.0100.00616.76
7.2.70.0050.00616.75
7.2.60.0100.00616.81
7.2.50.0080.00616.71
7.2.40.0020.01216.77
7.2.30.0080.00716.84
7.2.20.0090.00516.70
7.2.10.0070.00816.85
7.2.00.0050.00817.48
7.1.250.0050.00815.81
7.1.100.0090.00918.24
7.1.70.0100.00017.30
7.1.60.0100.01419.40
7.1.50.0070.01417.02
7.1.00.0030.07322.40
7.0.200.0070.00016.91
7.0.140.0030.07322.09
7.0.110.0600.07020.08
7.0.100.0600.06019.99
7.0.90.0530.08719.92
7.0.80.0630.06719.95
7.0.70.0600.08320.05
7.0.60.0670.08320.06
7.0.50.0470.08319.96
7.0.40.0130.07719.71
7.0.30.0170.06719.85
7.0.20.0000.08719.69
7.0.10.0030.09019.69
7.0.00.0100.06719.68
5.6.260.0030.08020.75
5.6.250.0030.04020.66
5.6.240.0070.07720.70
5.6.230.0070.08320.56
5.6.220.0100.07720.63
5.6.210.0070.08020.63
5.6.200.0130.08020.67
5.6.190.0100.08320.66
5.6.180.0030.08320.64
5.6.170.0130.07720.62
5.6.160.0070.08020.66
5.6.150.0030.07020.64
5.6.140.0130.08320.71
5.6.130.0130.07720.71
5.6.120.0070.05720.65
5.6.110.0100.08020.64
5.6.100.0100.08020.53
5.6.90.0070.06320.65
5.6.80.0070.04319.86
5.6.70.0000.08020.04
5.6.60.0070.08019.86
5.6.50.0170.06720.09
5.6.40.0100.07319.98
5.6.30.0170.07319.98
5.6.20.0000.08319.99
5.6.10.0070.07719.98
5.6.00.0030.05720.06
5.5.380.0130.06017.53
5.5.370.0100.07317.61
5.5.360.0130.07017.49
5.5.350.0100.07717.55
5.5.340.0100.07017.91
5.5.330.0070.08018.14
5.5.320.0100.07718.11
5.5.310.0100.08018.12
5.5.300.0070.08017.93
5.5.290.0100.05017.91
5.5.280.0070.08018.09
5.5.270.0130.07018.05
5.5.260.0070.08018.22
5.5.250.0070.07717.88
5.5.240.0170.07017.64
5.5.230.0130.06317.48
5.5.220.0030.08317.51
5.5.210.0070.06017.52
5.5.200.0030.05717.49
5.5.190.0070.06717.49
5.5.180.0030.05717.60
5.5.160.0100.07017.28
5.5.150.0100.08017.57
5.5.140.0000.08017.40
5.5.130.0100.07017.58
5.5.120.0070.07317.27
5.5.110.0230.06017.48
5.5.100.0070.05717.17
5.5.90.0100.07317.47
5.5.80.0100.07017.17
5.5.70.0100.07017.17
5.5.60.0170.05717.39
5.5.50.0030.07317.14
5.5.40.0070.07717.14
5.5.30.0170.05717.36
5.5.20.0100.07317.29
5.5.10.0100.07017.34
5.5.00.0100.06717.36
5.4.450.0030.09019.36
5.4.440.0070.07319.27
5.4.430.0100.05719.50
5.4.420.0000.06319.63
5.4.410.0030.08319.18
5.4.400.0100.07319.14
5.4.390.0000.06319.34
5.4.380.0130.04319.18
5.4.370.0100.07719.18
5.4.360.0100.07719.18
5.4.350.0070.07319.18
5.4.340.0100.07319.18
5.4.320.0070.07318.98
5.4.310.0130.05719.32
5.4.300.0130.06718.98
5.4.290.0070.07019.14
5.4.280.0100.06319.00
5.4.270.0130.06719.18
5.4.260.0030.07719.22
5.4.250.0100.07319.00
5.4.240.0100.06719.02
5.4.230.0030.08019.01
5.4.220.0100.07019.17
5.4.210.0030.08019.23
5.4.200.0070.07018.98
5.4.190.0100.07018.96
5.4.180.0100.07319.08
5.4.170.0100.07318.95
5.4.160.0070.07019.16
5.4.150.0070.07319.22
5.4.140.0130.07016.61
5.4.130.0100.07016.35
5.4.120.0070.06716.46
5.4.110.0100.07016.54
5.4.100.0100.07016.57
5.4.90.0100.06716.43
5.4.80.0030.06716.52
5.4.70.0000.07016.34
5.4.60.0170.06316.40
5.4.50.0070.06016.44
5.4.40.0100.06716.60
5.4.30.0130.06716.56
5.4.20.0200.06316.53
5.4.10.0030.07716.56
5.4.00.0030.07315.78
5.3.290.0030.05014.68
5.3.280.0130.07014.61
5.3.270.0100.07014.59
5.3.260.0070.07314.61
5.3.250.0000.08314.48
5.3.240.0100.07714.61
5.3.230.0030.07314.73
5.3.220.0100.07714.59
5.3.210.0100.06714.59
5.3.200.0130.04314.57
5.3.190.0030.07714.56
5.3.180.0130.06714.60
5.3.170.0070.07014.59
5.3.160.0070.07314.58
5.3.150.0030.07014.61
5.3.140.0100.03314.57
5.3.130.0100.05014.55
5.3.120.0100.06714.58
5.3.110.0000.08014.54
5.3.100.0130.06314.04
5.3.90.0070.06714.05
5.3.80.0130.06714.04
5.3.70.0030.06714.09
5.3.60.0070.07314.01
5.3.50.0100.07014.11
5.3.40.0070.07313.94
5.3.30.0130.06313.99
5.3.20.0130.03313.70
5.3.10.0000.05713.53
5.3.00.0070.07013.76
5.2.170.0070.06011.54
5.2.160.0130.05311.54
5.2.150.0030.06011.54
5.2.140.0130.05711.54
5.2.130.0130.05311.54
5.2.120.0000.05711.54
5.2.110.0070.06011.54
5.2.100.0000.06011.54
5.2.90.0030.05311.54
5.2.80.0030.06311.54
5.2.70.0070.06011.54
5.2.60.0100.06011.54
5.2.50.0030.06311.54
5.2.40.0030.05711.54
5.2.30.0070.05311.54
5.2.20.0000.06011.54
5.2.10.0130.05011.54
5.2.00.0070.06011.54
5.1.60.0070.05311.54
5.1.50.0100.04311.54
5.1.40.0070.05311.54
5.1.30.0000.05711.54
5.1.20.0030.05011.54
5.1.10.0100.05311.54
5.1.00.0030.05311.54
5.0.50.0070.04711.54
5.0.40.0000.05011.54
5.0.30.0070.06011.54
5.0.20.0030.04311.54
5.0.10.0000.04711.54
5.0.00.0030.06711.54
4.4.90.0000.03011.54
4.4.80.0000.03711.54
4.4.70.0070.03011.54
4.4.60.0000.02011.54
4.4.50.0000.02311.54
4.4.40.0030.03011.54
4.4.30.0030.01711.54
4.4.20.0070.03011.54
4.4.10.0000.03711.54
4.4.00.0000.05711.54
4.3.110.0100.03011.54
4.3.100.0070.03011.54
4.3.90.0100.02711.54
4.3.80.0000.05311.54
4.3.70.0030.02011.54
4.3.60.0000.03311.54
4.3.50.0030.03311.54
4.3.40.0000.05011.54
4.3.30.0030.03311.54
4.3.20.0000.02011.54
4.3.10.0000.02711.54
4.3.00.0000.03011.54

preferences:
47.47 ms | 400 KiB | 5 Q