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) { } else { $len = strlen($beforeDot); if ($len <= $exp) { return 'df';//$beforeDot.($afterDot !== '0' ? $afterDot : '').str_repeat('0', $exp - $len).'i'; } } var_dump($beforeDot, $afterDot); } convertFloat(1.004e+300);

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)
8.3.70.0040.01218.30
8.3.60.0070.00718.43
8.3.50.0090.00921.09
8.3.40.0070.01018.39
8.3.30.0070.00720.20
8.3.20.0070.00020.16
8.3.10.0050.00321.98
8.3.00.0030.00522.52
8.2.190.0080.00818.04
8.2.180.0150.00016.75
8.2.170.0140.00022.96
8.2.160.0070.00720.44
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0110.00726.16
8.2.120.0040.00419.83
8.2.110.0030.00622.23
8.2.100.0030.00719.21
8.2.90.0090.00019.05
8.2.80.0060.00319.26
8.2.70.0040.00717.38
8.2.60.0040.00418.04
8.2.50.0050.00318.07
8.2.40.0060.00318.16
8.2.30.0040.00418.05
8.2.20.0080.00017.51
8.2.10.0070.00017.50
8.2.00.0050.00517.47
8.1.280.0100.00725.92
8.1.270.0040.00420.30
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00323.92
8.1.230.0040.00819.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0040.00417.30
8.1.180.0040.00418.70
8.1.170.0030.01318.13
8.1.160.0030.00322.04
8.1.150.0070.00018.58
8.1.140.0050.00217.39
8.1.130.0030.00317.76
8.1.120.0000.00817.32
8.1.110.0030.00517.37
8.1.100.0020.00517.30
8.1.90.0020.00517.32
8.1.80.0000.00717.36
8.1.70.0000.00717.45
8.1.60.0040.00417.57
8.1.50.0040.00417.57
8.1.40.0000.00717.42
8.1.30.0000.00717.59
8.1.20.0040.00417.69
8.1.10.0040.00417.31
8.1.00.0000.00917.35
8.0.300.0050.00318.77
8.0.290.0080.00017.18
8.0.280.0000.00718.33
8.0.270.0000.00717.13
8.0.260.0040.00416.76
8.0.250.0040.00416.80
8.0.240.0050.00316.73
8.0.230.0030.00316.92
8.0.220.0030.00316.80
8.0.210.0040.00416.76
8.0.200.0030.00316.78
8.0.190.0070.00016.91
8.0.180.0000.00716.78
8.0.170.0080.00016.87
8.0.160.0000.00716.78
8.0.150.0000.00716.70
8.0.140.0100.00016.69
8.0.130.0000.00613.25
8.0.120.0040.00416.83
8.0.110.0040.00416.75
8.0.100.0030.00516.74
8.0.90.0000.00716.77
8.0.80.0150.00016.81
8.0.70.0080.00016.82
8.0.60.0070.00016.90
8.0.50.0040.00416.74
8.0.30.0110.00816.84
8.0.20.0100.01317.40
8.0.10.0080.00016.97
8.0.00.0100.01016.90
7.4.330.0030.00315.00
7.4.320.0060.00016.56
7.4.300.0050.00216.58
7.4.290.0030.00316.52
7.4.280.0030.00316.51
7.4.270.0030.00316.63
7.4.260.0050.00316.55
7.4.250.0000.00716.54
7.4.240.0040.00316.56
7.4.230.0050.00316.70
7.4.220.0100.01416.54
7.4.210.0080.01016.55
7.4.200.0080.00016.61
7.4.190.0000.00716.69
7.4.160.0100.00716.42
7.4.150.0030.01417.40
7.4.140.0100.00817.86
7.4.130.0120.00716.45
7.4.120.0100.00716.64
7.4.110.0080.00816.54
7.4.100.0100.00716.53
7.4.90.0140.00616.57
7.4.80.0110.00719.39
7.4.70.0060.00916.62
7.4.60.0060.01016.52
7.4.50.0000.00716.42
7.4.40.0100.00322.77
7.4.30.0130.01016.46
7.4.00.0080.00514.87
7.3.330.0030.00313.41
7.3.320.0050.00013.12
7.3.310.0040.00416.38
7.3.300.0000.00616.33
7.3.290.0100.00316.30
7.3.280.0060.00916.34
7.3.270.0100.01017.40
7.3.260.0140.00416.68
7.3.250.0060.01116.47
7.3.240.0030.01516.53
7.3.230.0140.00316.39
7.3.210.0120.00616.65
7.3.200.0030.01219.39
7.3.190.0110.00816.39
7.3.180.0120.01216.29
7.3.170.0150.00316.27
7.3.160.0130.00316.25
7.3.120.0080.00814.93
7.3.110.0040.01014.62
7.3.100.0090.00614.65
7.3.90.0030.01414.77
7.3.80.0000.01614.82
7.3.70.0130.00314.90
7.3.60.0030.01014.84
7.3.50.0120.00314.82
7.3.40.0080.00514.49
7.3.30.0090.00914.64
7.3.20.0030.01016.66
7.3.10.0080.00716.63
7.3.00.0140.00516.60
7.2.330.0120.00616.68
7.2.320.0070.01016.57
7.2.310.0030.02016.73
7.2.300.0080.00816.74
7.2.290.0140.00316.77
7.2.250.0130.00615.04
7.2.240.0040.01415.16
7.2.230.0060.00915.09
7.2.220.0030.01615.11
7.2.210.0100.00614.94
7.2.200.0030.01314.96
7.2.190.0000.01315.14
7.2.180.0120.00315.02
7.2.170.0030.01214.94
7.2.130.0220.01516.88
7.2.120.0080.01116.88
7.2.110.0140.00716.64
7.2.100.0080.01216.51
7.2.90.0130.01316.79
7.2.80.0180.00316.89
7.2.70.0140.00816.78
7.2.60.0110.01116.89
7.2.50.0040.01717.00
7.2.40.0110.00616.70
7.2.30.0090.01516.70
7.2.20.0130.00616.81
7.2.10.0100.00316.99
7.2.00.0110.00716.84
7.1.330.0070.00715.42
7.1.320.0050.00515.50
7.1.310.0080.00615.63
7.1.300.0060.00915.55
7.1.290.0060.00615.57
7.1.280.0110.00015.70
7.1.270.0060.00615.71
7.1.260.0030.01015.68
7.1.250.0100.01015.96
7.1.240.0160.00315.65
7.1.230.0030.01015.49
7.1.220.0030.01015.89
7.1.210.0040.01315.71
7.1.200.0160.01015.78
7.1.190.0120.00315.61
7.1.180.0100.01015.68
7.1.170.0040.00715.49
7.1.160.0180.00915.71
7.1.150.0040.01115.73
7.1.140.0070.01015.83
7.1.130.0040.01115.96
7.1.120.0120.00915.69
7.1.110.0120.00415.93
7.1.100.0080.00815.72
7.1.90.0050.01015.74
7.1.80.0090.00415.82
7.1.70.0040.00816.41
7.1.60.0070.00717.70
7.1.50.0050.01316.30
7.1.40.0040.00715.48
7.1.30.0060.00915.43
7.1.20.0060.00315.39
7.1.10.0040.01215.82
7.1.00.0030.03319.12
7.0.330.0100.01015.27
7.0.320.0150.00315.07
7.0.310.0060.00815.45
7.0.300.0150.00415.41
7.0.290.0070.00715.17
7.0.280.0060.00615.44
7.0.270.0150.00015.41
7.0.260.0090.00315.10
7.0.250.0090.00315.51
7.0.240.0140.00415.47
7.0.230.0100.00315.09
7.0.220.0090.00615.45
7.0.210.0040.01215.11
7.0.200.0010.00916.05
7.0.190.0000.01715.32
7.0.180.0130.00315.45
7.0.170.0100.00615.26
7.0.160.0040.00815.53
7.0.150.0000.01315.37
7.0.140.0060.03618.57
7.0.130.0080.00315.12
7.0.120.0070.01115.27
7.0.110.0080.00515.41
7.0.100.0030.03817.58
7.0.90.0070.02917.69
7.0.80.0120.02417.66
7.0.70.0090.02617.66
7.0.60.0270.03817.58
7.0.50.0100.02717.74
7.0.40.0090.01916.83
7.0.30.0050.03016.84
7.0.20.0130.02316.70
7.0.10.0080.03216.69
7.0.00.0100.04016.72
5.6.380.0080.00614.52
5.6.370.0030.01014.48
5.6.360.0000.01414.32
5.6.350.0100.00714.68
5.6.340.0100.00513.89
5.6.330.0100.00714.29
5.6.320.0100.00014.43
5.6.310.0090.00614.01
5.6.300.0090.00614.16
5.6.290.0040.00714.14
5.6.280.0080.03817.77
5.6.270.0060.01214.19
5.6.260.0070.00714.29
5.6.250.0120.03917.43
5.6.240.0090.03117.54
5.6.230.0120.03517.36
5.6.220.0140.03517.45
5.6.210.0030.05117.23
5.6.200.0090.04417.71
5.6.190.0130.03017.67
5.6.180.0060.04817.62
5.6.170.0050.04917.65
5.6.160.0070.02517.52
5.6.150.0100.04217.74
5.6.140.0080.04217.70
5.6.130.0100.02717.78
5.6.120.0130.04617.62
5.6.110.0140.03017.55
5.6.100.0090.04917.47
5.6.90.0120.04417.51
5.6.80.0090.03017.47
5.6.70.0170.03717.23
5.6.60.0200.04017.29
5.6.50.0060.04017.41
5.6.40.0130.03617.31
5.6.30.0030.04617.27
5.6.20.0080.04317.38
5.6.10.0140.02117.17
5.6.00.0100.04417.24
5.5.380.0050.04515.54
5.5.370.0030.02515.64
5.5.360.0130.04315.80
5.5.350.0050.03215.56
5.5.340.0110.03715.92
5.5.330.0070.04015.96
5.5.320.0060.04115.90
5.5.310.0100.04315.97
5.5.300.0060.02515.90
5.5.290.0090.04515.71
5.5.280.0090.03916.08
5.5.270.0100.02315.97
5.5.260.0090.02515.91
5.5.250.0110.02615.73
5.5.240.0070.04215.67
5.5.230.0100.04315.54
5.5.220.0080.02415.56
5.5.210.0050.03915.53
5.5.200.0140.02615.47
5.5.190.0100.04415.51
5.5.180.0050.04115.65
5.5.170.0070.00411.00
5.5.160.0070.04015.69
5.5.150.0080.04415.51
5.5.140.0130.03715.57
5.5.130.0070.04215.50
5.5.120.0070.04415.43
5.5.110.0070.02615.60
5.5.100.0100.02315.52
5.5.90.0060.03815.30
5.5.80.0070.04215.47
5.5.70.0090.01815.48
5.5.60.0030.04015.66
5.5.50.0040.02615.52
5.5.40.0130.02815.62
5.5.30.0100.04215.51
5.5.20.0130.01815.45
5.5.10.0070.03315.45
5.5.00.0130.03815.42
5.4.450.0120.04214.98
5.4.440.0090.03715.22
5.4.430.0100.03015.19
5.4.420.0080.04015.20
5.4.410.0050.03215.17
5.4.400.0100.03914.94
5.4.390.0060.04414.95
5.4.380.0050.03414.96
5.4.370.0050.02215.02
5.4.360.0030.04014.92
5.4.350.0050.02414.91
5.4.340.0030.03315.07
5.4.330.0030.00710.74
5.4.320.0090.02914.92
5.4.310.0050.04215.05
5.4.300.0120.03814.88
5.4.290.0050.02414.92
5.4.280.0050.03315.08
5.4.270.0080.03515.12
5.4.260.0080.04115.15
5.4.250.0100.03514.99
5.4.240.0050.04514.99
5.4.230.0030.03815.05
5.4.220.0090.04115.13
5.4.210.0060.04215.00
5.4.200.0190.03015.15
5.4.190.0080.04015.03
5.4.180.0090.02915.00
5.4.170.0060.04114.98
5.4.160.0030.02214.92
5.4.150.0110.02714.87
5.4.140.0050.02013.71
5.4.130.0030.02913.70
5.4.120.0070.02713.62
5.4.110.0060.02113.69
5.4.100.0120.03513.68
5.4.90.0110.03313.75
5.4.80.0050.02213.77
5.4.70.0100.03813.74
5.4.60.0020.02413.52
5.4.50.0050.02813.65
5.4.40.0050.02213.61
5.4.30.0100.03013.56
5.4.20.0070.03813.58
5.4.10.0060.03813.64
5.4.00.0050.01813.47
5.3.290.0060.02112.63
5.3.280.0040.03512.56
5.3.270.0050.03912.61
5.3.260.0060.02212.71
5.3.250.0080.01612.60
5.3.240.0050.03912.45
5.3.230.0030.02212.47
5.3.220.0070.02712.34
5.3.210.0080.01812.46
5.3.200.0070.02012.48
5.3.190.0000.02512.45
5.3.180.0080.03512.51
5.3.170.0060.02012.53
5.3.160.0020.03412.61
5.3.150.0030.04212.67
5.3.140.0070.03312.51
5.3.130.0020.04212.38
5.3.120.0080.03812.56
5.3.110.0040.04212.57
5.3.100.0070.03512.30
5.3.90.0070.02312.24
5.3.80.0100.01812.28
5.3.70.0050.02012.13
5.3.60.0020.04012.23
5.3.50.0090.03612.25
5.3.40.0080.02512.13
5.3.30.0050.03812.34
5.3.20.0050.02212.08
5.3.10.0110.02511.98
5.3.00.0070.02211.93
5.2.170.0020.02510.74
5.2.160.0050.01310.71
5.2.150.0020.01510.85
5.2.140.0040.02710.89
5.2.130.0020.01710.78
5.2.120.0030.01510.83
5.2.110.0080.02510.74
5.2.100.0080.02010.82
5.2.90.0090.01510.68
5.2.80.0070.01410.78
5.2.70.0050.01810.74
5.2.60.0030.02010.72
5.2.50.0060.02010.75
5.2.40.0050.02310.80
5.2.30.0020.03110.68
5.2.20.0070.02310.72
5.2.10.0070.03010.68
5.2.00.0050.02810.68
5.1.60.0090.01110.68
5.1.50.0050.02510.68
5.1.40.0030.02810.68
5.1.30.0080.01810.68
5.1.20.0060.01310.68
5.1.10.0060.02810.68
5.1.00.0010.01510.68
5.0.50.0020.02610.68
5.0.40.0020.01010.68
5.0.30.0020.03410.68
5.0.20.0050.00810.68
5.0.10.0020.02310.68
5.0.00.0060.03610.68
4.4.90.0040.01010.68
4.4.80.0030.00810.68
4.4.70.0040.01810.68
4.4.60.0010.01110.68
4.4.50.0030.01010.68
4.4.40.0030.03010.68
4.4.30.0030.01310.68
4.4.20.0030.01310.68
4.4.10.0020.01210.68
4.4.00.0030.01810.68
4.3.110.0020.02010.68
4.3.100.0020.01310.68
4.3.90.0030.02010.68
4.3.80.0020.01510.68
4.3.70.0030.01710.68
4.3.60.0020.01710.68
4.3.50.0020.02010.68
4.3.40.0060.02510.68
4.3.30.0050.01510.68
4.3.20.0030.01510.68
4.3.10.0030.01510.68
4.3.00.0070.01010.68

preferences:
47.21 ms | 401 KiB | 5 Q