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) { $len = strlen($afterDot); if ($len <= $exp) { return $beforeDot.$afterDot; } } else { $len = strlen($beforeDot); if ($len <= $exp) { return $beforeDot.($afterDot !== '0' ? $afterDot : '').str_repeat('0', $exp - $len).'i'; } else { return $beforeDot.substr($afterDot, 0, $exp).substr($afterDot, $exp, strlen($afterDot)); } } var_dump($beforeDot, $afterDot); } var_dump(convertFloat(1.004e-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)
8.3.60.0090.00618.09
8.3.50.0080.00821.02
8.3.40.0110.00418.71
8.3.30.0110.00320.34
8.3.20.0040.00420.20
8.3.10.0080.00022.05
8.3.00.0030.00622.41
8.2.180.0150.00616.50
8.2.170.0100.01022.96
8.2.160.0030.01020.52
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00826.16
8.2.120.0050.00319.64
8.2.110.0090.00020.47
8.2.100.0040.00817.91
8.2.90.0000.00818.03
8.2.80.0060.00319.23
8.2.70.0060.00317.50
8.2.60.0060.00317.88
8.2.50.0080.00018.07
8.2.40.0000.00918.09
8.2.30.0040.00417.86
8.2.20.0040.00417.64
8.2.10.0030.00617.50
8.2.00.0090.00017.49
8.1.280.0120.00325.92
8.1.270.0000.00820.31
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00422.04
8.1.230.0080.00320.96
8.1.220.0040.00417.74
8.1.210.0040.00418.89
8.1.200.0000.01017.22
8.1.190.0030.00517.39
8.1.180.0080.00318.93
8.1.170.0050.00318.40
8.1.160.0040.00322.05
8.1.150.0000.00818.55
8.1.140.0060.00317.38
8.1.130.0000.00717.82
8.1.120.0000.00717.30
8.1.110.0030.00517.43
8.1.100.0000.00717.43
8.1.90.0070.00017.39
8.1.80.0040.00417.40
8.1.70.0070.00017.45
8.1.60.0050.00317.42
8.1.50.0040.00417.41
8.1.40.0050.00217.57
8.1.30.0040.00417.59
8.1.20.0000.00817.55
8.1.10.0040.00417.37
8.1.00.0000.01117.29
8.0.300.0040.00420.00
8.0.290.0040.00416.92
8.0.280.0000.00718.49
8.0.270.0040.00417.19
8.0.260.0070.00016.79
8.0.250.0000.00716.88
8.0.240.0040.00416.91
8.0.230.0030.00516.77
8.0.220.0000.00716.78
8.0.210.0000.00716.83
8.0.200.0060.00016.84
8.0.190.0000.00716.80
8.0.180.0040.00416.68
8.0.170.0050.00316.87
8.0.160.0000.00816.69
8.0.150.0030.00316.84
8.0.140.0050.00416.67
8.0.130.0060.00013.35
8.0.120.0040.00416.84
8.0.110.0000.00716.89
8.0.100.0030.00516.64
8.0.90.0000.00716.80
8.0.80.0100.00716.77
8.0.70.0000.00716.65
8.0.60.0000.00716.88
8.0.50.0070.00016.82
8.0.30.0130.00417.09
8.0.20.0070.01217.40
8.0.10.0040.00416.99
8.0.00.0120.00916.72
7.4.330.0000.00515.00
7.4.320.0070.00016.50
7.4.300.0000.00616.51
7.4.290.0000.00716.55
7.4.280.0030.00316.57
7.4.270.0070.00016.61
7.4.260.0030.00316.48
7.4.250.0000.00716.60
7.4.240.0030.00316.50
7.4.230.0030.00516.25
7.4.220.0080.01216.68
7.4.210.0090.00816.63
7.4.200.0000.00816.53
7.4.190.0030.00516.45
7.4.160.0030.01216.35
7.4.150.0100.00717.40
7.4.140.0170.00717.86
7.4.130.0080.00916.61
7.4.120.0100.00716.53
7.4.110.0110.01116.36
7.4.100.0150.00816.64
7.4.90.0120.00616.52
7.4.80.0200.00319.39
7.4.70.0060.01016.44
7.4.60.0100.00616.52
7.4.50.0040.00416.45
7.4.40.0040.00722.77
7.4.30.0190.00316.25
7.4.00.0070.01014.59
7.3.330.0000.00513.19
7.3.320.0030.00313.29
7.3.310.0050.00216.38
7.3.300.0070.00016.33
7.3.290.0060.00916.35
7.3.280.0100.00416.37
7.3.270.0130.00317.40
7.3.260.0030.01516.52
7.3.250.0080.00916.38
7.3.240.0070.01016.60
7.3.230.0090.00616.59
7.3.210.0070.01116.65
7.3.200.0070.01519.39
7.3.190.0130.00916.62
7.3.180.0100.01316.32
7.3.170.0070.01016.67
7.3.160.0080.00816.35
7.3.120.0040.01114.70
7.3.110.0070.01115.02
7.3.100.0060.00815.07
7.3.90.0070.00714.95
7.3.80.0040.00914.59
7.3.70.0130.00314.50
7.3.60.0000.01514.60
7.3.50.0160.00014.69
7.3.40.0000.01414.80
7.3.30.0110.00414.96
7.3.20.0060.00616.75
7.3.10.0060.00616.36
7.3.00.0050.00716.68
7.2.330.0070.01016.37
7.2.320.0100.01316.59
7.2.310.0040.01416.66
7.2.300.0120.00516.79
7.2.290.0120.00616.80
7.2.250.0090.00914.85
7.2.240.0090.01114.45
7.2.230.0000.01414.97
7.2.220.0040.00814.80
7.2.210.0040.00815.19
7.2.200.0070.00714.97
7.2.190.0060.00914.84
7.2.180.0030.01314.94
7.2.170.0030.01014.98
7.2.160.0070.01014.82
7.2.150.0090.00316.97
7.2.140.0000.01316.89
7.2.130.0060.00916.69
7.2.120.0050.00516.71
7.2.110.0030.01016.83
7.2.100.0080.00716.96
7.2.90.0080.01116.76
7.2.80.0030.01316.88
7.2.70.0110.01216.66
7.2.60.0080.00616.88
7.2.50.0070.00816.84
7.2.40.0110.00416.84
7.2.30.0090.00716.90
7.2.20.0030.01216.77
7.2.10.0040.01116.61
7.2.00.0080.00717.62
7.1.330.0030.01515.73
7.1.320.0040.01116.00
7.1.310.0030.00715.78
7.1.300.0000.01415.86
7.1.290.0100.00315.68
7.1.280.0080.00515.81
7.1.270.0060.00615.89
7.1.260.0000.01215.67
7.1.250.0080.00215.88
7.1.240.0060.00915.91
7.1.230.0000.00915.90
7.1.220.0070.00715.79
7.1.210.0070.00715.88
7.1.200.0070.00815.77
7.1.190.0100.00615.66
7.1.180.0090.00015.89
7.1.170.0080.00415.85
7.1.160.0040.00815.74
7.1.150.0090.00615.79
7.1.140.0030.01015.76
7.1.130.0100.00315.93
7.1.120.0060.00615.83
7.1.110.0040.00715.87
7.1.100.0030.01016.87
7.1.90.0030.00915.78
7.1.80.0040.00715.89
7.1.70.0020.00616.59
7.1.60.0050.01317.59
7.1.50.0020.01316.33
7.1.40.0050.00515.37
7.1.30.0110.00315.87
7.1.20.0030.01215.58
7.1.10.0040.01216.00
7.1.00.0050.03719.02
7.0.330.0100.00615.37
7.0.320.0070.00415.17
7.0.310.0030.01315.01
7.0.300.0060.00615.49
7.0.290.0000.01215.16
7.0.280.0110.00415.35
7.0.270.0000.01415.43
7.0.260.0070.00715.27
7.0.250.0040.00815.66
7.0.240.0030.01015.35
7.0.230.0060.00615.29
7.0.220.0100.00315.05
7.0.210.0060.00615.40
7.0.200.0060.00716.14
7.0.190.0040.01115.20
7.0.180.0070.00715.34
7.0.170.0030.01015.43
7.0.160.0030.01415.32
7.0.150.0040.01415.24
7.0.140.0040.03918.64
7.0.130.0100.00315.33
7.0.120.0080.00415.29
7.0.110.0090.00615.52
7.0.100.0060.00615.44
7.0.90.0030.01015.50
7.0.80.0040.01115.54
7.0.70.0070.00715.35
7.0.60.0050.04217.64
7.0.50.0070.02316.72
7.0.40.0030.03116.61
7.0.30.0180.04016.75
7.0.20.0190.04016.71
7.0.10.0180.04516.65
7.0.00.0020.03216.81
5.6.400.0060.00614.37
5.6.390.0030.01014.53
5.6.380.0040.00714.06
5.6.370.0030.01414.27
5.6.360.0150.00014.68
5.6.350.0060.01014.34
5.6.340.0000.01514.62
5.6.330.0070.00314.54
5.6.320.0080.00814.14
5.6.310.0080.00814.23
5.6.300.0040.00714.39
5.6.290.0060.00914.33
5.6.280.0030.04217.74
5.6.270.0030.01014.31
5.6.260.0060.00914.41
5.6.250.0040.01114.43
5.6.240.0100.00314.41
5.6.230.0040.00814.11
5.6.220.0030.00714.22
5.6.210.0120.04217.54
5.6.200.0050.04916.35
5.6.190.0080.04517.44
5.6.180.1810.02617.50
5.6.170.0160.01817.24
5.6.160.0070.04517.40
5.6.150.0050.03016.21
5.6.140.0080.04316.21
5.6.130.0070.04516.45
5.6.120.0050.04717.84
5.6.110.0050.04417.59
5.6.100.0030.04917.67
5.6.90.0060.02517.88
5.6.80.0100.04017.47
5.6.70.0120.03817.38
5.6.60.0040.00414.28
5.6.50.0060.00614.53
5.6.40.0060.00614.11
5.6.30.0030.01414.14
5.6.20.0030.01014.04
5.6.10.0000.01514.02
5.6.00.0130.00014.05
5.5.380.0030.01014.28
5.5.370.0040.01114.29
5.5.360.0070.00313.81
5.5.350.0110.02817.20
5.5.340.0050.04416.14
5.5.330.0090.03217.11
5.5.320.0200.03917.38
5.5.310.0150.03617.30
5.5.300.0040.04715.89
5.5.290.0050.04016.04
5.5.280.0070.02217.54
5.5.270.0080.04517.54
5.5.260.0110.02817.47
5.5.250.0100.04317.44
5.5.240.0020.03617.21
5.5.230.0000.01414.00
5.5.220.0110.00414.13
5.5.210.0030.00714.19
5.5.200.0100.00314.05
5.5.190.0070.00714.26
5.5.180.0100.00314.20
5.5.170.0030.00514.17
5.5.160.0030.00714.07
5.5.150.0070.00714.21
5.5.140.0070.01014.22
5.5.130.0030.01314.28
5.5.120.0030.00614.25
5.5.110.0080.00414.23
5.5.100.0030.01414.06
5.5.90.0140.00013.83
5.5.80.0030.00714.23
5.5.70.0060.00614.05
5.5.60.0040.00714.05
5.5.50.0110.00414.17
5.5.40.0070.00313.94
5.5.30.0040.00713.91
5.5.20.0040.00414.22
5.5.10.0030.01013.87
5.5.00.0000.00813.87
5.4.450.0420.03215.38
5.4.440.0230.03115.31
5.4.430.0070.03315.36
5.4.420.0330.03415.31
5.4.410.0420.02815.08
5.4.400.0620.03314.62
5.4.390.0550.03514.63
5.4.380.0180.04114.85
5.4.370.0120.02714.69
5.4.360.0130.02714.86
5.4.350.0040.02411.36
5.4.340.0070.02511.41
5.4.330.0060.00010.65
5.4.320.0040.02411.73
5.4.310.0040.02611.81
5.4.300.0050.02211.76
5.4.290.0040.02311.85
5.4.280.0060.02611.76
5.4.270.0040.02711.78
5.4.260.0060.02311.72
5.4.250.0100.02614.95
5.4.240.0050.03214.69
5.4.230.0070.03714.73
5.4.220.0070.03014.96
5.4.210.0100.03115.00
5.4.200.0110.02214.81
5.4.190.0100.02514.93
5.4.180.0090.02714.93
5.4.170.0070.03114.84
5.4.160.0050.02714.94
5.4.150.0070.02914.96
5.4.140.0070.02913.81
5.4.130.0030.02713.83
5.4.120.0070.02513.74
5.4.110.0100.02513.77
5.4.100.0070.02813.80
5.4.90.0100.02513.71
5.4.80.0000.03313.70
5.4.70.0050.03513.58
5.4.60.0100.03313.80
5.4.50.0080.02313.74
5.4.40.0070.03013.53
5.4.30.0100.03413.69
5.4.20.0110.02513.57
5.4.10.0110.02513.73
5.4.00.0110.02313.34
5.3.290.0050.02211.63
5.3.280.0030.02912.42
5.3.270.0070.03112.59
5.3.260.0030.03212.63
5.3.250.0040.03012.66
5.3.240.0110.02712.52
5.3.230.0070.02612.51
5.3.220.0100.03512.52
5.3.210.0080.02912.62
5.3.200.0100.03512.54
5.3.190.0060.03412.50
5.3.180.0030.02812.60
5.3.170.0060.03012.59
5.3.160.0100.02512.47
5.3.150.0120.02512.57
5.3.140.0050.03212.49
5.3.130.0080.02812.59
5.3.120.0020.03112.55
5.3.110.0020.03612.62
5.3.100.0060.02912.22
5.3.90.0100.03012.36
5.3.80.0080.02512.28
5.3.70.0030.03212.20
5.3.60.0070.03212.34
5.3.50.0120.02312.30
5.3.40.0080.02812.16
5.3.30.0100.03312.27
5.3.20.0080.03512.10
5.3.10.0050.03212.11
5.3.00.0050.03111.88
5.2.170.0030.04310.99
5.2.160.0030.04311.34
5.2.150.0100.04711.11
5.2.140.0100.05011.25
5.2.130.0170.04711.10
5.2.120.0100.03311.21
5.2.110.0070.04011.20
5.2.100.0130.03011.13
5.2.90.0100.03711.19
5.2.80.0100.05311.11
5.2.70.0070.04010.93
5.2.60.0070.04011.14
5.2.50.0000.05310.87
5.2.40.0100.03711.11
5.2.30.0030.04310.94
5.2.20.0100.04710.96
5.2.10.0130.04310.96
5.2.00.0000.04310.82
5.1.60.0030.05010.11
5.1.50.0000.03710.17
5.1.40.0070.04710.05
5.1.30.0070.03310.33
5.1.20.0100.03010.44
5.1.10.0070.03010.28
5.1.00.0070.03310.15
5.0.50.0030.0378.59
5.0.40.0000.0308.63
5.0.30.0070.0438.33
5.0.20.0070.0238.18
5.0.10.0100.0308.12
5.0.00.0070.0408.23
4.4.90.0030.0207.48
4.4.80.0100.0137.48
4.4.70.0030.0207.48
4.4.60.0070.0277.48
4.4.50.0000.0237.48
4.4.40.0000.0377.48
4.4.30.0070.0277.48
4.4.20.0000.0237.48
4.4.10.0030.0237.48
4.4.00.0000.0377.48
4.3.110.0000.0337.48
4.3.100.0030.0207.48
4.3.90.0000.0207.48
4.3.80.0030.0337.48
4.3.70.0070.0177.48
4.3.60.0000.0237.48
4.3.50.0030.0237.48
4.3.40.0030.0407.48
4.3.30.0100.0237.48
4.3.20.0070.0237.48
4.3.10.0000.0277.48
4.3.00.0130.0206.65

preferences:
46.43 ms | 401 KiB | 5 Q