3v4l.org

run code in 300+ PHP versions simultaneously
<?php function convertFloat($float) { $float = strtolower((string)$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-60')); var_dump(convertFloat('+1.'));

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)
8.3.70.0070.01418.27
8.3.60.0140.00318.31
8.3.50.0050.00921.14
8.3.40.0090.00618.67
8.3.30.0100.00320.35
8.3.20.0000.00720.21
8.3.10.0000.00822.10
8.3.00.0040.00422.46
8.2.190.0160.00316.58
8.2.180.0110.00416.50
8.2.170.0070.00722.96
8.2.160.0000.01420.39
8.2.150.0040.00424.18
8.2.140.0170.00324.66
8.2.130.0110.00326.16
8.2.120.0040.00419.54
8.2.110.0100.00722.12
8.2.100.0040.00719.39
8.2.90.0080.00019.14
8.2.80.0040.00419.30
8.2.70.0000.00917.50
8.2.60.0000.00818.04
8.2.50.0060.00318.07
8.2.40.0040.00418.22
8.2.30.0050.00318.03
8.2.20.0000.00817.55
8.2.10.0040.00417.60
8.2.00.0040.00417.54
8.1.280.0110.00725.92
8.1.270.0110.01120.23
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.79
8.1.230.0060.00619.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.01017.35
8.1.190.0080.00017.43
8.1.180.0040.00418.79
8.1.170.0040.00418.61
8.1.160.0040.00422.13
8.1.150.0000.00718.54
8.1.140.0030.00617.49
8.1.130.0070.00017.78
8.1.120.0030.00517.40
8.1.110.0040.00417.45
8.1.100.0000.00717.42
8.1.90.0070.00017.45
8.1.80.0040.00417.47
8.1.70.0030.00317.46
8.1.60.0030.00617.68
8.1.50.0050.00317.51
8.1.40.0000.00817.52
8.1.30.0000.00717.68
8.1.20.0050.00317.75
8.1.10.0060.00317.33
8.1.00.0030.00517.50
8.0.300.0070.00018.77
8.0.290.0040.00417.30
8.0.280.0000.00718.42
8.0.270.0030.00317.25
8.0.260.0000.00716.84
8.0.250.0000.00716.83
8.0.240.0060.00316.93
8.0.230.0070.00016.94
8.0.220.0000.00716.72
8.0.210.0030.00316.93
8.0.200.0030.00317.00
8.0.190.0080.00016.95
8.0.180.0030.00616.95
8.0.170.0000.00916.78
8.0.160.0040.00416.85
8.0.150.0080.00016.86
8.0.140.0000.00816.73
8.0.130.0000.00513.32
8.0.120.0040.00416.69
8.0.110.0040.00416.87
8.0.100.0000.00716.86
8.0.90.0030.00516.67
8.0.80.0110.01116.86
8.0.70.0070.00016.86
8.0.60.0080.00016.65
8.0.50.0040.00416.76
8.0.30.0110.00817.05
8.0.20.0080.01117.40
8.0.10.0030.00516.85
8.0.00.0060.01116.79
7.4.330.0050.00015.00
7.4.320.0040.00416.54
7.4.300.0030.00316.62
7.4.290.0040.00416.64
7.4.280.0000.00716.63
7.4.270.0040.00416.64
7.4.260.0040.00416.52
7.4.250.0040.00416.43
7.4.240.0020.00516.58
7.4.230.0040.00416.54
7.4.220.0120.00616.64
7.4.210.0100.00716.68
7.4.200.0030.00316.52
7.4.190.0030.00316.76
7.4.160.0030.01316.53
7.4.150.0120.00617.40
7.4.140.0060.01617.86
7.4.130.0120.00616.63
7.4.120.0080.00816.54
7.4.110.0100.00716.37
7.4.100.0130.00316.46
7.4.90.0100.00616.61
7.4.80.0120.00619.39
7.4.70.0130.00616.46
7.4.60.0060.01316.49
7.4.50.0040.00416.46
7.4.40.0060.01222.77
7.4.30.0130.00616.39
7.4.00.0070.00914.81
7.3.330.0030.00313.24
7.3.320.0000.00513.33
7.3.310.0040.00416.46
7.3.300.0050.00216.35
7.3.290.0100.00316.39
7.3.280.0130.00416.40
7.3.270.0090.00917.40
7.3.260.0170.00016.36
7.3.250.0030.01316.54
7.3.240.0090.00916.38
7.3.230.0060.01216.39
7.3.210.0080.01116.50
7.3.200.0030.01319.39
7.3.190.0180.00616.30
7.3.180.0060.00916.52
7.3.170.0030.01316.27
7.3.160.0060.00916.48
7.3.120.0040.01414.72
7.3.110.0040.01514.82
7.3.100.0090.01114.76
7.3.90.0030.01014.68
7.3.80.0080.00414.74
7.3.70.0060.00914.63
7.3.60.0130.00315.01
7.3.50.0100.00714.83
7.3.40.0030.01314.75
7.3.30.0100.00014.61
7.3.20.0070.01116.43
7.3.10.0150.00316.58
7.3.00.0090.00616.31
7.2.330.0070.01016.75
7.2.320.0060.01316.68
7.2.310.0130.00316.66
7.2.300.0160.00016.44
7.2.290.0080.01116.73
7.2.250.0150.00315.11
7.2.240.0000.01614.88
7.2.230.0030.01215.05
7.2.220.0060.00914.86
7.2.210.0000.01615.13
7.2.200.0040.01114.69
7.2.190.0040.01214.91
7.2.180.0060.01014.98
7.2.170.0060.00615.00
7.2.160.0000.01314.86
7.2.150.0060.00616.54
7.2.140.0060.00916.94
7.2.130.0070.00316.63
7.2.120.0000.01316.57
7.2.110.0090.00616.78
7.2.100.0060.01216.81
7.2.90.0110.00416.98
7.2.80.0070.00717.08
7.2.70.0030.00916.79
7.2.60.0100.00716.98
7.2.50.0090.00916.93
7.2.40.0070.01116.80
7.2.30.0000.01316.95
7.2.20.0060.00916.55
7.2.10.0030.00616.79
7.2.00.0090.00916.89
7.1.330.0150.00315.81
7.1.320.0090.00615.79
7.1.310.0030.01015.78
7.1.300.0110.00415.73
7.1.290.0090.00315.82
7.1.280.0030.00715.97
7.1.270.0100.00315.63
7.1.260.0030.01415.68
7.1.250.0030.01015.53
7.1.240.0110.00415.80
7.1.230.0060.00615.86
7.1.220.0000.00915.52
7.1.210.0000.01415.73
7.1.200.0080.00315.83
7.1.190.0000.01215.78
7.1.180.0000.01415.63
7.1.170.0040.00815.50
7.1.160.0090.00615.90
7.1.150.0060.00315.80
7.1.140.0060.00615.85
7.1.130.0030.00715.93
7.1.120.0060.01015.96
7.1.110.0040.01115.54
7.1.100.0060.00915.79
7.1.90.0090.00615.48
7.1.80.0090.00615.68
7.1.70.0020.00816.37
7.1.60.0050.00716.52
7.1.50.0120.00716.39
7.1.40.0000.00815.55
7.1.30.0000.01115.74
7.1.20.0000.01415.61
7.1.10.0090.00015.93
7.1.00.0050.03419.25
7.0.330.0090.00615.08
7.0.320.0000.00815.27
7.0.310.0030.00715.51
7.0.300.0080.00415.05
7.0.290.0080.00615.33
7.0.280.0030.00615.23
7.0.270.0120.00615.35
7.0.260.0040.00715.32
7.0.250.0000.01415.31
7.0.240.0040.01115.50
7.0.230.0090.00615.28
7.0.220.0030.00915.38
7.0.210.0060.00915.42
7.0.200.0080.00815.98
7.0.190.0070.00715.23
7.0.180.0030.00515.16
7.0.170.0030.00515.39
7.0.160.0000.01315.42
7.0.150.0100.00315.52
7.0.140.0080.03718.71
7.0.130.0000.01315.37
7.0.120.0030.01015.48
7.0.110.0060.00315.56
7.0.100.0070.00415.20
7.0.90.0000.01715.17
7.0.80.0040.01515.45
7.0.70.0090.00315.41
7.0.60.0140.03717.74
7.0.50.0050.02516.59
7.0.40.0070.04016.80
7.0.30.0200.04116.74
7.0.20.0190.04216.88
7.0.10.0100.02816.75
7.0.00.0070.02716.74
5.6.400.0090.00914.24
5.6.390.0030.00614.28
5.6.380.0070.00714.28
5.6.370.0000.01414.27
5.6.360.0150.00013.98
5.6.350.0060.00614.57
5.6.340.0090.00614.24
5.6.330.0070.01114.46
5.6.320.0030.01014.21
5.6.310.0070.00714.27
5.6.300.0060.00614.55
5.6.290.0150.00414.14
5.6.280.0020.04617.51
5.6.270.0070.00714.28
5.6.260.0030.00614.31
5.6.250.0060.01014.26
5.6.240.0060.00614.55
5.6.230.0030.01214.18
5.6.220.0030.00614.36
5.6.210.0050.04617.50
5.6.200.0060.02516.27
5.6.190.0090.04017.46
5.6.180.1850.01817.37
5.6.170.0200.03817.42
5.6.160.0120.04217.29
5.6.150.0020.02816.20
5.6.140.0050.02216.27
5.6.130.0070.04616.19
5.6.120.0050.02517.70
5.6.110.0060.03317.66
5.6.100.0100.04017.52
5.6.90.0090.02317.54
5.6.80.0090.02217.20
5.6.70.0050.05017.28
5.6.60.0040.00914.16
5.6.50.0070.00713.96
5.6.40.0090.00314.36
5.6.30.0030.01014.14
5.6.20.0090.00614.25
5.6.10.0100.00314.30
5.6.00.0100.00314.17
5.5.380.0090.00314.44
5.5.370.0080.01114.27
5.5.360.0100.00714.09
5.5.350.0100.04517.21
5.5.340.0020.02716.00
5.5.330.0050.04417.46
5.5.320.0180.02817.16
5.5.310.0200.03517.43
5.5.300.0070.04316.06
5.5.290.0070.03516.24
5.5.280.0060.04317.57
5.5.270.0090.04817.50
5.5.260.0180.02817.51
5.5.250.0020.02917.54
5.5.240.0050.04116.98
5.5.230.0060.00914.05
5.5.220.0000.01314.17
5.5.210.0030.01014.30
5.5.200.0060.00614.27
5.5.190.0060.00613.84
5.5.180.0090.00614.29
5.5.170.0130.00014.20
5.5.160.0070.01014.07
5.5.150.0030.01314.28
5.5.140.0110.00314.21
5.5.130.0000.00914.22
5.5.120.0040.01113.74
5.5.110.0110.00314.31
5.5.100.0060.00614.02
5.5.90.0070.00713.75
5.5.80.0060.00314.23
5.5.70.0110.00313.72
5.5.60.0100.00714.05
5.5.50.0070.00713.82
5.5.40.0090.00613.84
5.5.30.0060.00614.05
5.5.20.0070.00714.20
5.5.10.0030.01014.15
5.5.00.0060.01014.18
5.4.450.0370.03615.97
5.4.440.0450.02716.15
5.4.430.0410.02916.15
5.4.420.0540.04116.13
5.4.410.0400.03016.06
5.4.400.0130.03815.77
5.4.390.0570.03615.67
5.4.380.0100.03315.66
5.4.370.0120.02715.74
5.4.360.0130.02515.68
5.4.350.0040.03612.38
5.4.340.0070.03712.38
5.4.330.0090.00012.72
5.4.320.0060.02012.62
5.4.310.0020.02612.62
5.4.300.0060.01912.62
5.4.290.0060.02212.62
5.4.280.0040.02512.57
5.4.270.0070.02412.56
5.4.260.0090.02212.57
5.4.250.0140.02215.84
5.4.240.0050.02815.85
5.4.230.0090.02715.76
5.4.220.0090.02915.72
5.4.210.0140.03515.71
5.4.200.0080.03015.76
5.4.190.0060.04015.76
5.4.180.0050.03015.76
5.4.170.0120.02715.82
5.4.160.0100.03015.80
5.4.150.0070.03015.86
5.4.140.0020.03114.54
5.4.130.0070.03914.54
5.4.120.0030.03314.58
5.4.110.0050.03014.61
5.4.100.0050.03514.62
5.4.90.0070.03814.63
5.4.80.0060.02914.52
5.4.70.0030.03314.62
5.4.60.0060.03114.61
5.4.50.0070.02714.54
5.4.40.0090.02614.59
5.4.30.0030.03014.60
5.4.20.0070.02914.52
5.4.10.0090.02714.55
5.4.00.0070.02914.37
5.3.290.0040.02312.76
5.3.280.0050.02913.75
5.3.270.0080.02813.71
5.3.260.0080.03213.66
5.3.250.0060.02913.67
5.3.240.0070.03513.67
5.3.230.0070.03313.78
5.3.220.0060.03013.68
5.3.210.0030.03413.65
5.3.200.0130.03313.73
5.3.190.0050.04213.73
5.3.180.0070.03713.67
5.3.170.0060.03013.66
5.3.160.0040.02913.65
5.3.150.0100.02213.72
5.3.140.0020.03113.69
5.3.130.0070.02713.73
5.3.120.0130.02813.73
5.3.110.0130.02613.69
5.3.100.0090.03013.43
5.3.90.0100.02713.46
5.3.80.0070.03013.41
5.3.70.0060.02813.42
5.3.60.0050.03513.40
5.3.50.0030.03013.34
5.3.40.0070.03413.39
5.3.30.0080.02613.33
5.3.20.0030.02813.13
5.3.10.0060.03013.18
5.3.00.0020.04413.23
5.2.170.0030.04311.13
5.2.160.0100.04011.24
5.2.150.0100.03711.14
5.2.140.0200.03311.25
5.2.130.0130.03711.21
5.2.120.0000.04311.18
5.2.110.0070.03711.30
5.2.100.0000.06311.20
5.2.90.0130.03311.20
5.2.80.0000.04311.09
5.2.70.0070.03711.17
5.2.60.0030.04311.16
5.2.50.0070.04011.20
5.2.40.0070.04711.11
5.2.30.0100.04010.82
5.2.20.0030.04010.94
5.2.10.0100.03310.84
5.2.00.0070.04010.82
5.1.60.0100.04310.21
5.1.50.0170.02310.17
5.1.40.0100.04010.15
5.1.30.0100.05010.53
5.1.20.0070.04010.44
5.1.10.0070.04010.02
5.1.00.0070.0379.92
5.0.50.0030.0278.56
5.0.40.0030.0278.28
5.0.30.0070.0408.29
5.0.20.0030.0278.18
5.0.10.0030.0308.24
5.0.00.0000.0438.34
4.4.90.0030.0237.35
4.4.80.0030.0207.35
4.4.70.0170.0177.35
4.4.60.0030.0307.35
4.4.50.0130.0207.35
4.4.40.0000.0377.35
4.4.30.0000.0237.35
4.4.20.0030.0307.35
4.4.10.0070.0177.35
4.4.00.0000.0337.35
4.3.110.0030.0237.35
4.3.100.0030.0207.35
4.3.90.0000.0237.35
4.3.80.0000.0377.35
4.3.70.0030.0207.35
4.3.60.0070.0177.35
4.3.50.0070.0277.35
4.3.40.0030.0477.35
4.3.30.0030.0237.35
4.3.20.0030.0237.35
4.3.10.0000.0237.35
4.3.00.0000.0236.77

preferences:
55.03 ms | 401 KiB | 5 Q