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)
8.3.60.0110.00318.39
8.3.50.0080.00621.08
8.3.40.0120.00318.54
8.3.30.0140.00020.31
8.3.20.0000.00720.25
8.3.10.0030.00521.81
8.3.00.0040.00422.29
8.2.180.0180.00016.50
8.2.170.0070.01022.96
8.2.160.0070.00720.52
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.01426.16
8.2.120.0040.00419.66
8.2.110.0030.00722.26
8.2.100.0110.00017.66
8.2.90.0000.00819.05
8.2.80.0000.00918.04
8.2.70.0040.00417.38
8.2.60.0040.00417.91
8.2.50.0000.00818.07
8.2.40.0050.00318.16
8.2.30.0030.00617.93
8.2.20.0040.00417.56
8.2.10.0040.00417.65
8.2.00.0070.00417.64
8.1.280.0110.00725.92
8.1.270.0040.00420.05
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00018.96
8.1.230.0080.00322.75
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0000.00917.11
8.1.190.0040.00417.50
8.1.180.0080.00018.74
8.1.170.0070.00418.44
8.1.160.0080.00022.08
8.1.150.0000.00718.53
8.1.140.0000.00717.28
8.1.130.0040.00417.79
8.1.120.0000.00717.35
8.1.110.0030.00517.37
8.1.100.0000.00817.27
8.1.90.0050.00217.44
8.1.80.0050.00317.27
8.1.70.0040.00417.42
8.1.60.0080.00017.47
8.1.50.0040.00417.52
8.1.40.0060.00317.50
8.1.30.0000.00717.50
8.1.20.0080.00017.69
8.1.10.0070.00017.50
8.1.00.0030.00617.38
8.0.300.0030.00618.77
8.0.290.0070.00017.04
8.0.280.0000.00718.28
8.0.270.0000.00817.06
8.0.260.0040.00416.74
8.0.250.0030.00316.95
8.0.240.0030.00616.76
8.0.230.0000.00716.88
8.0.220.0040.00416.79
8.0.210.0070.00016.68
8.0.200.0030.00316.77
8.0.190.0000.00716.74
8.0.180.0080.00016.85
8.0.170.0000.00816.79
8.0.160.0080.00016.81
8.0.150.0040.00416.85
8.0.140.0000.00916.84
8.0.130.0000.00513.21
8.0.120.0000.00816.76
8.0.110.0070.00016.75
8.0.100.0080.00016.93
8.0.90.0040.00416.79
8.0.80.0170.00416.79
8.0.70.0040.00416.63
8.0.60.0000.00716.73
8.0.50.0000.00816.66
8.0.30.0140.00517.11
8.0.20.0060.01417.40
8.0.10.0000.00716.97
8.0.00.0150.00716.68
7.4.330.0020.00215.02
7.4.320.0000.00716.49
7.4.300.0060.00016.51
7.4.290.0000.00716.56
7.4.280.0050.00216.59
7.4.270.0000.00716.60
7.4.260.0040.00416.35
7.4.250.0070.00016.50
7.4.240.0030.00316.47
7.4.230.0000.00716.38
7.4.220.0150.00316.46
7.4.210.0040.01116.53
7.4.200.0030.00316.41
7.4.190.0030.00316.77
7.4.160.0150.00016.59
7.4.150.0000.01717.40
7.4.140.0090.01217.86
7.4.130.0060.01116.54
7.4.120.0060.01016.59
7.4.110.0140.00316.45
7.4.100.0100.00716.58
7.4.90.0080.00816.40
7.4.80.0090.01519.39
7.4.70.0120.00616.53
7.4.60.0070.04016.58
7.4.50.0040.00416.55
7.4.40.0120.00022.77
7.4.30.0090.01016.39
7.4.00.0040.01214.97
7.3.330.0030.00313.26
7.3.320.0050.00013.15
7.3.310.0000.00616.36
7.3.300.0040.00416.24
7.3.290.0160.00316.27
7.3.280.0110.00416.35
7.3.270.0040.01417.40
7.3.260.0170.00816.31
7.3.250.0100.00816.42
7.3.240.0110.00916.46
7.3.230.0030.01416.39
7.3.210.0120.00616.33
7.3.200.0150.00519.39
7.3.190.0130.00616.40
7.3.180.0180.00316.35
7.3.170.0110.00916.64
7.3.160.0070.00716.40
7.3.120.0030.01315.07
7.2.330.0090.00916.38
7.2.320.0030.01416.66
7.2.310.0170.00316.82
7.2.300.0110.00516.79
7.2.290.0080.00816.73
7.2.00.0030.01019.34
7.1.200.0070.00415.85
7.1.100.0090.00618.23
7.1.70.0040.00417.34
7.1.60.0100.01319.40
7.1.50.0070.01316.80
7.1.00.0000.07322.35
7.0.200.0040.00416.53
7.0.140.0070.06721.99
7.0.60.0200.04719.91
7.0.50.0130.07317.89
7.0.40.0030.06020.14
7.0.30.0370.04320.07
7.0.20.0200.04320.12
7.0.10.0170.07020.12
7.0.00.0000.04320.07
5.6.280.0000.07321.10
5.6.210.0030.04020.77
5.6.200.0030.08718.19
5.6.190.0070.08320.34
5.6.180.0430.04020.63
5.6.170.0270.05020.62
5.6.160.0000.04320.56
5.6.150.0070.07318.16
5.6.140.0070.08018.18
5.6.130.0030.08018.19
5.6.120.0070.08721.00
5.6.110.0100.03721.12
5.6.100.0100.08021.02
5.6.90.0070.06021.00
5.6.80.0130.07020.54
5.5.350.0230.07720.44
5.5.340.0100.04017.95
5.5.330.0070.06320.47
5.5.320.0370.06020.37
5.5.310.0300.09020.44
5.5.300.0000.04318.02
5.5.290.0030.08318.05
5.5.280.0130.08020.98
5.5.270.0170.07320.63
5.5.260.0130.07720.89
5.5.250.0130.08320.59
5.5.240.0030.03720.04
5.4.450.0370.05019.29
5.4.440.0600.05319.59
5.4.430.0170.04719.52
5.4.420.0100.05319.39
5.4.410.0130.06019.03
5.4.400.0130.05318.78
5.4.390.0130.05018.63
5.4.380.0170.04718.56
5.4.370.0270.04318.81
5.4.360.0130.05318.72
5.4.350.0060.04012.02
5.4.340.0080.03612.01
5.4.320.0070.03512.51
5.4.310.0030.04112.50
5.4.300.0070.03912.50
5.4.290.0020.04112.50
5.4.280.0090.03712.39
5.4.270.0060.03612.39
5.4.260.0100.03612.39
5.4.250.0100.05018.94
5.4.240.0130.04719.01
5.4.230.0230.05319.00
5.4.220.0070.05318.98
5.4.210.0200.06718.84
5.4.200.0200.04018.94
5.4.190.0130.05018.94
5.4.180.0000.05718.94
5.4.170.0130.05018.87
5.4.160.0100.05318.92
5.4.150.0030.06018.90
5.4.140.0030.06316.36
5.4.130.0100.05316.34
5.4.120.0130.05016.38
5.4.110.0130.06016.50
5.4.100.0070.07016.50
5.4.90.0170.06016.52
5.4.80.0070.07016.46
5.4.70.0070.06316.31
5.4.60.0030.05716.34
5.4.50.0070.04716.45
5.4.40.0100.04316.47
5.4.30.0030.05016.30
5.4.20.0070.04716.62
5.4.10.0100.04716.50
5.4.00.0100.04715.77
5.3.290.0050.04012.80
5.3.280.0070.05014.58
5.3.270.0070.05714.63
5.3.260.0130.05014.83
5.3.250.0170.04314.59
5.3.240.0100.06014.82
5.3.230.0100.06314.78
5.3.220.0130.06714.59
5.3.210.0000.06714.55
5.3.200.0170.05314.65
5.3.190.0130.06714.56
5.3.180.0070.05014.55
5.3.170.0100.05014.54
5.3.160.0130.04314.54
5.3.150.0130.04714.57
5.3.140.0070.05314.62
5.3.130.0070.05014.52
5.3.120.0030.06014.63
5.3.110.0130.05314.70
5.3.100.0030.05314.12
5.3.90.0070.05314.04
5.3.80.0070.05014.09
5.3.70.0100.04314.00
5.3.60.0030.05314.21
5.3.50.0100.04314.03
5.3.40.0170.04013.93
5.3.30.0000.05713.89
5.3.20.0130.04313.52
5.3.10.0070.05013.73
5.3.00.0070.05013.70
5.2.170.0070.05010.97
5.2.160.0030.04011.23
5.2.150.0030.05710.97
5.2.140.0100.04711.14
5.2.130.0130.04711.19
5.2.120.0070.04010.93
5.2.110.0100.04711.10
5.2.100.0000.05711.25
5.2.90.0030.04311.26
5.2.80.0030.04311.30
5.2.70.0030.04711.17
5.2.60.0000.04311.04
5.2.50.0030.04011.01
5.2.40.0070.04010.95
5.2.30.0030.04311.04
5.2.20.0030.04311.05
5.2.10.0100.04310.68
5.2.00.0030.04010.79
5.1.60.0100.0309.98
5.1.50.0030.03310.20
5.1.40.0030.03710.07
5.1.30.0130.03010.50
5.1.20.0030.03710.42
5.1.10.0030.03710.11
5.1.00.0000.03710.30
5.0.50.0030.0338.59
5.0.40.0000.0308.36
5.0.30.0000.0478.45
5.0.20.0100.0238.39
5.0.10.0030.0308.41
5.0.00.0070.0378.21
4.4.90.0030.0207.38
4.4.80.0030.0207.38
4.4.70.0030.0207.38
4.4.60.0100.0207.38
4.4.50.0000.0237.38
4.4.40.0000.0377.38
4.4.30.0030.0207.38
4.4.20.0070.0207.38
4.4.10.0030.0207.38
4.4.00.0030.0338.21
4.3.110.0000.0238.21
4.3.100.0030.0208.21
4.3.90.0030.0208.21
4.3.80.0000.0338.21
4.3.70.0070.0178.21
4.3.60.0030.0278.21
4.3.50.0030.0208.21
4.3.40.0000.0478.21
4.3.30.0000.0238.21
4.3.20.0030.0208.21
4.3.10.0000.0238.21
4.3.00.0000.0236.88

preferences:
50.45 ms | 400 KiB | 5 Q