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; } $numberWithoutPrecision = substr($float, 0, $expPos); $exp = substr($float, $expPos, strlen($float)); var_dump($numberWithoutPrecision, $exp); } 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)
8.3.60.0000.01518.55
8.3.50.0070.00821.08
8.3.40.0040.01118.64
8.3.30.0030.01020.38
8.3.20.0040.00420.13
8.3.10.0040.00421.89
8.3.00.0040.00422.52
8.2.180.0070.00716.38
8.2.170.0000.01522.96
8.2.160.0040.01120.39
8.2.150.0040.00424.18
8.2.140.0140.00724.66
8.2.130.0080.00026.16
8.2.120.0050.00219.54
8.2.110.0030.00620.52
8.2.100.0090.00319.25
8.2.90.0060.00319.25
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0000.00917.80
8.2.50.0040.00418.07
8.2.40.0040.00418.03
8.2.30.0000.00817.89
8.2.20.0000.00717.49
8.2.10.0040.00417.48
8.2.00.0050.00517.52
8.1.280.0110.00725.92
8.1.270.0040.00420.28
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.88
8.1.230.0110.00019.09
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0000.01017.13
8.1.190.0060.00317.28
8.1.180.0030.00618.57
8.1.170.0000.01118.46
8.1.160.0000.00722.13
8.1.150.0070.00018.57
8.1.140.0000.00717.39
8.1.130.0030.00317.74
8.1.120.0070.00017.31
8.1.110.0030.00617.34
8.1.100.0070.00017.29
8.1.90.0000.00717.37
8.1.80.0080.00017.29
8.1.70.0030.00317.44
8.1.60.0000.00817.56
8.1.50.0080.00017.37
8.1.40.0080.00017.47
8.1.30.0040.00417.52
8.1.20.0030.00617.55
8.1.10.0070.00017.47
8.1.00.0060.00317.26
8.0.300.0000.00718.77
8.0.290.0080.00017.05
8.0.280.0000.00718.29
8.0.270.0000.00717.11
8.0.260.0070.00018.29
8.0.250.0030.00316.80
8.0.240.0050.00316.77
8.0.230.0000.00716.88
8.0.220.0080.00016.70
8.0.210.0030.00316.77
8.0.200.0060.00016.92
8.0.190.0030.00316.85
8.0.180.0030.00516.79
8.0.170.0000.00816.88
8.0.160.0030.00316.68
8.0.150.0000.00716.72
8.0.140.0040.00416.79
8.0.130.0000.00513.27
8.0.120.0000.00816.70
8.0.110.0030.00616.83
8.0.100.0000.00816.78
8.0.90.0040.00416.69
8.0.80.0070.00716.84
8.0.70.0000.00716.79
8.0.60.0050.00216.86
8.0.50.0000.00716.86
8.0.30.0060.01216.95
8.0.20.0120.00817.40
8.0.10.0000.00717.02
8.0.00.0120.00916.69
7.4.330.0050.00015.00
7.4.320.0030.00316.59
7.4.300.0000.00616.50
7.4.290.0050.00216.51
7.4.280.0030.00316.39
7.4.270.0070.00016.58
7.4.260.0030.00316.57
7.4.250.0040.00416.56
7.4.240.0050.00316.60
7.4.230.0030.00316.39
7.4.220.0090.00916.43
7.4.210.0100.00516.63
7.4.200.0030.00316.39
7.4.190.0070.00016.73
7.4.160.0030.01316.38
7.4.150.0090.00917.40
7.4.140.0120.00617.86
7.4.130.0060.01116.55
7.4.120.0080.01116.47
7.4.110.0070.01116.40
7.4.100.0090.01116.56
7.4.90.0130.00916.63
7.4.80.0160.00019.39
7.4.70.0100.00516.33
7.4.60.0100.00716.47
7.4.50.0040.00416.21
7.4.40.0090.00622.77
7.4.30.0100.01316.50
7.4.00.0070.00714.99
7.3.330.0030.00313.18
7.3.320.0050.00013.36
7.3.310.0030.00316.39
7.3.300.0000.00716.39
7.3.290.0030.01216.37
7.3.280.0070.00816.36
7.3.270.0120.00617.40
7.3.260.0140.00316.42
7.3.250.0040.01316.43
7.3.240.0140.00516.27
7.3.230.0130.00416.39
7.3.210.0120.00816.64
7.3.200.0110.01119.39
7.3.190.0030.01416.23
7.3.180.0130.01016.67
7.3.170.0060.01116.44
7.3.160.0120.00316.58
7.3.120.0090.00314.64
7.2.330.0180.00416.69
7.2.320.0100.00716.86
7.2.310.0090.00916.66
7.2.300.0080.00816.69
7.2.290.0090.00616.70
7.2.00.0080.00819.15
7.1.100.0060.00917.79
7.1.70.0000.00817.26
7.1.60.0070.01819.40
7.1.50.0090.01316.89
7.1.00.0000.06322.31
7.0.200.0000.00816.84
7.0.140.0030.07022.01
7.0.70.5030.04719.92
7.0.60.0030.07019.91
7.0.50.0070.07017.81
7.0.40.0130.07320.26
7.0.30.0170.05320.07
7.0.20.0300.06020.05
7.0.10.0170.04020.23
7.0.00.0130.03020.24
5.6.280.0030.07321.15
5.6.210.0200.06720.69
5.6.200.0070.05718.29
5.6.190.0100.07720.77
5.6.180.0300.08020.55
5.6.170.0330.07320.71
5.6.160.0130.04320.54
5.6.150.0000.08018.18
5.6.140.0130.06318.14
5.6.130.0100.06318.27
5.6.120.0030.06721.02
5.6.110.0070.08321.02
5.6.100.0070.03720.99
5.6.90.0130.08020.97
5.6.80.0100.05320.38
5.6.70.0200.06320.42
5.5.350.0070.08320.41
5.5.340.0170.06318.00
5.5.330.0070.05320.28
5.5.320.0130.04320.57
5.5.310.0270.07320.38
5.5.300.0100.08018.03
5.5.290.0100.04017.99
5.5.280.0000.05720.75
5.5.270.0070.07320.98
5.5.260.0100.07020.77
5.5.250.0070.08720.61
5.5.240.0170.07720.19
5.4.450.0230.04719.61
5.4.440.0200.05719.61
5.4.430.0830.05019.59
5.4.420.0800.05019.33
5.4.410.0130.06719.47
5.4.400.1070.05019.27
5.4.390.0630.05318.89
5.4.380.0200.05318.70
5.4.370.0030.04018.75
5.4.360.0030.04018.78
5.4.350.0110.04212.02
5.4.340.0070.04512.02
5.4.320.0050.03812.51
5.4.310.0050.04012.50
5.4.300.0070.03512.50
5.4.290.0080.04512.50
5.4.280.0060.03812.40
5.4.270.0050.04512.40
5.4.260.0070.03612.40
5.4.250.0070.05318.59
5.4.240.0000.06718.83
5.4.230.0270.03718.79
5.4.220.0130.05318.75
5.4.210.0130.04718.88
5.4.200.0030.05318.90
5.4.190.0070.05318.77
5.4.180.0200.03718.74
5.4.170.0070.05018.84
5.4.160.0070.07018.64
5.4.150.0070.05718.73
5.4.140.0070.05316.40
5.4.130.0200.04016.36
5.4.120.0200.03716.51
5.4.110.0070.07016.38
5.4.100.0130.04316.48
5.4.90.0070.06316.34
5.4.80.0270.05016.28
5.4.70.0030.05316.50
5.4.60.0170.08316.43
5.4.50.0100.05316.43
5.4.40.0100.05016.45
5.4.30.0230.03716.31
5.4.20.0130.06016.40
5.4.10.0130.05316.39
5.4.00.0170.04716.01
5.3.290.0030.04712.80
5.3.280.0100.07014.50
5.3.270.0100.04714.67
5.3.260.0030.06014.67
5.3.250.0170.05014.59
5.3.240.0070.07314.68
5.3.230.0100.04714.77
5.3.220.0070.05014.39
5.3.210.0100.05714.66
5.3.200.0130.04714.46
5.3.190.0170.06714.56
5.3.180.0070.07314.57
5.3.170.0130.05714.71
5.3.160.0170.04314.54
5.3.150.0130.05314.74
5.3.140.0100.04714.63
5.3.130.0230.04314.45
5.3.120.0030.05714.77
5.3.110.0000.06714.68
5.3.100.0100.04714.10
5.3.90.0070.05314.10
5.3.80.0070.05014.00
5.3.70.0100.06314.01
5.3.60.0030.05713.86
5.3.50.0030.07314.08
5.3.40.0170.06314.00
5.3.30.0230.05014.01
5.3.20.0100.05013.67
5.3.10.0130.06313.72
5.3.00.0100.04713.64
5.2.170.0070.05311.11
5.2.160.0130.04011.21
5.2.150.0070.04311.25
5.2.140.0070.04711.13
5.2.130.0030.05711.16
5.2.120.0170.03311.01
5.2.110.0030.04011.23
5.2.100.0070.04011.05
5.2.90.0100.03711.09
5.2.80.0000.04711.09
5.2.70.0030.04711.09
5.2.60.0100.03711.14
5.2.50.0030.04311.11
5.2.40.0100.04010.98
5.2.30.0070.06011.14
5.2.20.0030.05011.03
5.2.10.0000.04310.93
5.2.00.0070.04310.79
5.1.60.0070.0339.83
5.1.50.0100.0279.95
5.1.40.0100.04010.23
5.1.30.0030.05710.33
5.1.20.0030.04010.42
5.1.10.0070.04010.05
5.1.00.0070.03710.02
5.0.50.0030.0308.49
5.0.40.0070.0238.48
5.0.30.0030.0438.37
5.0.20.0030.0278.30
5.0.10.0030.0278.26
5.0.00.0100.0438.25
4.4.90.0000.0238.21
4.4.80.0070.0178.21
4.4.70.0000.0238.21
4.4.60.0030.0208.21
4.4.50.0070.0178.21
4.4.40.0000.0437.86
4.4.30.0100.0137.86
4.4.20.0000.0237.86
4.4.10.0100.0137.86
4.4.00.0070.0377.86
4.3.110.0030.0207.59
4.3.100.0030.0207.42
4.3.90.0030.0207.42
4.3.80.0070.0407.42
4.3.70.0070.0237.42
4.3.60.0000.0237.42
4.3.50.0000.0237.42
4.3.40.0070.0307.42
4.3.30.0030.0207.42
4.3.20.0000.0237.42
4.3.10.0030.0207.42
4.3.00.0100.0237.30

preferences:
40.63 ms | 401 KiB | 5 Q