3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encode($int) { $int = round($int); $left = 0xffffffff00000000; $right = 0x00000000ffffffff; $l = ($int & $left) >>32; $r = $int & $right; return unpack('d', pack('NN', $l, $r))[1]; } function decode($float){ $set = unpack('N2', pack('d', $float)); return $set[1] << 32 | $set[2]; } $float = encode(10000000000000); decode($float); decode(1.1710299640683E-305);

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)
8.3.60.0070.01116.75
8.3.50.0050.00922.10
8.3.40.0110.00418.97
8.3.30.0030.01019.13
8.3.20.0030.00520.47
8.3.10.0080.00023.64
8.3.00.0040.00419.25
8.2.180.0140.00018.18
8.2.170.0100.00722.96
8.2.160.0110.00320.35
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0030.01426.16
8.2.120.0000.00822.30
8.2.110.0060.00322.20
8.2.100.0090.00317.97
8.2.90.0000.00819.30
8.2.80.0080.00018.05
8.2.70.0100.00317.50
8.2.60.0040.00418.05
8.2.50.0030.00618.07
8.2.40.0030.00518.47
8.2.30.0070.00018.25
8.2.20.0030.00617.67
8.2.10.0040.00419.95
8.2.00.0030.00617.86
8.1.280.0090.00925.92
8.1.270.0060.00323.87
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.01024.00
8.1.230.0080.00419.22
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00917.13
8.1.190.0050.00317.41
8.1.180.0030.00618.10
8.1.170.0080.00018.54
8.1.160.0040.00421.94
8.1.150.0040.00418.54
8.1.140.0000.00717.41
8.1.130.0030.00317.89
8.1.120.0050.00317.49
8.1.110.0070.00017.45
8.1.100.0070.00017.50
8.1.90.0040.00417.45
8.1.80.0000.00717.42
8.1.70.0070.00017.43
8.1.60.0030.00517.65
8.1.50.0000.00817.63
8.1.40.0040.00417.61
8.1.30.0040.00417.66
8.1.20.0030.00617.56
8.1.10.0000.00717.49
8.1.00.0040.00417.59
8.0.300.0050.00219.34
8.0.290.0000.00717.16
8.0.280.0070.00018.46
8.0.270.0000.00717.30
8.0.260.0030.00317.33
8.0.250.0000.00716.92
8.0.240.0030.00316.86
8.0.230.0080.00017.00
8.0.220.0000.00716.84
8.0.210.0000.00716.94
8.0.200.0060.00017.03
8.0.190.0070.00017.08
8.0.180.0050.00316.98
8.0.170.0030.00516.92
8.0.160.0050.00317.01
8.0.150.0000.00716.70
8.0.140.0000.00716.78
8.0.130.0030.00313.29
8.0.120.0000.00816.79
8.0.110.0020.00516.76
8.0.100.0040.00416.94
8.0.90.0000.00816.89
8.0.80.0090.00616.95
8.0.70.0040.00416.92
8.0.60.0040.00416.72
8.0.50.0040.00416.71
8.0.30.0070.01316.99
8.0.20.0110.00717.40
8.0.10.0040.00416.95
8.0.00.0050.01216.88
7.4.330.0000.00515.09
7.4.320.0060.00016.56
7.4.300.0030.00316.57
7.4.290.0040.00416.59
7.4.280.0000.00716.58
7.4.270.0000.00716.57
7.4.260.0000.00716.69
7.4.250.0030.00516.52
7.4.240.0040.00316.53
7.4.230.0070.00016.37
7.4.220.0130.00616.63
7.4.210.0090.00716.70
7.4.200.0030.00316.64
7.4.190.0040.00416.73
7.4.160.0100.00716.72
7.4.150.0110.01117.40
7.4.140.0080.00917.86
7.4.130.0120.00516.57
7.4.120.0090.00916.60
7.4.110.0120.01216.46
7.4.100.0060.01216.54
7.4.90.0030.01516.48
7.4.80.0100.01319.39
7.4.70.0100.00716.55
7.4.60.0070.01016.50
7.4.50.0040.00416.42
7.4.40.0060.00922.77
7.4.30.0120.01516.58
7.4.00.0090.00815.04
7.3.330.0050.00013.40
7.3.320.0050.00213.41
7.3.310.0030.00316.28
7.3.300.0060.00016.43
7.3.290.0070.01016.37
7.3.280.0100.00716.45
7.3.270.0080.00917.40
7.3.260.0030.01316.49
7.3.250.0110.00616.46
7.3.240.0030.01416.48
7.3.230.0130.00316.60
7.3.210.0110.00716.49
7.3.200.0030.02019.39
7.3.190.0060.01116.52
7.3.180.0180.00316.45
7.3.170.0060.00916.45
7.3.160.0120.00316.34
7.3.120.0080.00914.99
7.3.110.0080.00815.16
7.3.100.0130.00314.63
7.3.90.0150.00414.79
7.3.80.0030.00715.06
7.3.70.0030.01014.77
7.3.60.0070.00714.70
7.3.50.0040.00814.74
7.3.40.0040.00714.88
7.3.30.0050.00514.84
7.3.20.0030.01416.54
7.3.10.0030.00616.85
7.3.00.0080.00516.71
7.2.330.0150.00316.50
7.2.320.0070.01016.42
7.2.310.0120.00616.81
7.2.300.0080.00916.50
7.2.290.0130.00316.53
7.2.250.0110.00714.63
7.2.240.0040.01214.56
7.2.230.0100.00615.21
7.2.220.0050.00514.82
7.2.210.0000.00915.14
7.2.200.0090.00614.84
7.2.190.0040.00414.84
7.2.180.0060.00914.99
7.2.170.0060.00615.10
7.2.00.0060.00919.47
7.1.330.0070.00715.79
7.1.320.0030.00815.91
7.1.310.0050.00315.97
7.1.300.0030.00515.89
7.1.290.0000.00915.83
7.1.280.0070.00615.51
7.1.270.0030.01015.88
7.1.260.0030.00715.68
7.1.100.0000.01118.49
7.1.70.0080.00016.89
7.1.60.0160.00719.46
7.1.50.0070.01716.82
7.1.00.0070.07322.70
7.0.200.0080.00016.75
7.0.140.0030.07022.25
7.0.110.0130.05320.09
7.0.100.0170.06719.86
7.0.90.0170.07020.01
7.0.80.0070.06019.84
7.0.70.0100.08020.08
7.0.60.0200.07720.04
7.0.50.0170.08020.44
7.0.40.0070.08320.21
7.0.30.0030.08320.14
7.0.20.0030.09020.17
7.0.10.0070.08320.25
7.0.00.0100.07020.21
5.6.280.0030.07721.10
5.6.260.0070.08320.70
5.6.250.0030.08320.48
5.6.240.0170.07720.81
5.6.230.0170.07720.60
5.6.220.0030.07720.60
5.6.210.0070.08020.66
5.6.200.0130.08021.15
5.6.190.0100.08021.16
5.6.180.0100.07021.19
5.6.170.0170.06721.26
5.6.160.0100.08721.07
5.6.150.0030.06721.17
5.6.140.0170.07321.04
5.6.130.0100.07321.24
5.6.120.0130.08021.07
5.6.110.0200.05321.03
5.6.100.0130.08021.23
5.6.90.0170.07721.06
5.6.80.0130.07720.45
5.6.70.0100.07720.52
5.6.60.0030.05320.70
5.6.50.0170.07020.64
5.6.40.0030.07720.42
5.6.30.0170.06720.47
5.6.20.0130.08020.59
5.6.10.0130.07720.61
5.6.00.0130.08020.48
5.5.380.0070.08320.62
5.5.370.0100.07320.57
5.5.360.0070.07720.62
5.5.350.0070.08320.46
5.5.340.0130.07721.09
5.5.330.0100.08720.82
5.5.320.0200.05320.95
5.5.310.0100.08021.07
5.5.300.0030.08721.00
5.5.290.0130.07721.09
5.5.280.0170.07020.96
5.5.270.0030.09020.95
5.5.260.0030.09320.91
5.5.250.0100.08020.77
5.5.240.0070.08320.46
5.5.230.0130.08020.30
5.5.220.0170.07720.34
5.5.210.0130.07720.24
5.5.200.0130.06720.29
5.5.190.0070.08020.21
5.5.180.0030.07720.39
5.5.160.0070.07720.39
5.5.150.0070.04320.27
5.5.140.0200.07020.20
5.5.130.0070.06720.34
5.5.120.0100.05320.42
5.5.110.0100.07720.30
5.5.100.0030.08320.17
5.5.90.0200.06720.09
5.5.80.0030.08020.14
5.5.70.0000.08320.01
5.5.60.0100.07320.15
5.5.50.0130.06720.30
5.5.40.0070.07720.12
5.5.30.0030.07320.31
5.5.20.0100.07720.14
5.5.10.0070.08020.27
5.5.00.0100.07720.23
5.4.450.0170.07019.33
5.4.440.0170.07719.49
5.4.430.0030.08319.36
5.4.420.0130.07719.46
5.4.410.0100.07319.29
5.4.400.0000.07719.21
5.4.390.0030.08019.22
5.4.380.0170.06319.33
5.4.370.0130.07319.03
5.4.360.0100.07319.23
5.4.350.0170.07019.14
5.4.340.0100.07319.02
5.4.320.0070.07719.00
5.4.310.0100.07319.31
5.4.300.0070.07718.95
5.4.290.0000.04719.35
5.4.280.0030.08019.29
5.4.270.0000.08019.34
5.4.260.0230.06019.09
5.4.250.0000.07719.21
5.4.240.0070.04019.33
5.4.230.0130.07319.23
5.4.220.0030.07319.03
5.4.210.0130.07319.22
5.4.200.0030.08019.23
5.4.190.0170.07019.32
5.4.180.0030.06319.17
5.4.170.0000.08718.96
5.4.160.0070.08019.21
5.4.150.0170.07019.00
5.4.140.0030.07316.48
5.4.130.0170.06716.47
5.4.120.0100.07016.32
5.4.110.0170.05716.31
5.4.100.0130.07016.59
5.4.90.0070.05716.32
5.4.80.0130.03716.54
5.4.70.0070.06316.49
5.4.60.0100.07016.34
5.4.50.0100.06716.24
5.4.40.0070.07316.43
5.4.30.0100.06316.48
5.4.20.0030.07016.55
5.4.10.0030.04316.44
5.4.00.0070.03315.89
5.3.290.0070.06714.68
5.3.280.0130.03714.63
5.3.270.0070.06314.56
5.3.260.0030.08014.75
5.3.250.0070.07314.73
5.3.240.0070.07714.74
5.3.230.0030.08014.59
5.3.220.0030.04714.80
5.3.210.0100.04314.66
5.3.200.0000.05314.43
5.3.190.0070.07314.53
5.3.180.0070.07714.42
5.3.170.0070.07714.43
5.3.160.0100.04014.57
5.3.150.0070.07014.64
5.3.140.0130.04014.68
5.3.130.0070.07714.68
5.3.120.0030.07714.56
5.3.110.0030.07314.57
5.3.100.0130.06014.06
5.3.90.0030.07714.02
5.3.80.0170.06714.01
5.3.70.0030.07314.03
5.3.60.0070.06714.07
5.3.50.0030.08013.95
5.3.40.0070.06314.02
5.3.30.0070.07313.93
5.3.20.0070.07013.71
5.3.10.0030.07013.65
5.3.00.0100.05713.77
5.2.170.0100.05313.48
5.2.160.0030.05713.48
5.2.150.0030.04713.48
5.2.140.0100.05013.48
5.2.130.0070.06013.48
5.2.120.0100.04313.48
5.2.110.0130.05313.48
5.2.100.0070.05713.48
5.2.90.0030.06713.48
5.2.80.0100.05713.48
5.2.70.0070.06013.48
5.2.60.0030.06013.48
5.2.50.0030.06713.48
5.2.40.0000.04713.48
5.2.30.0030.06313.48
5.2.20.0100.05313.48
5.2.10.0070.05313.48
5.2.00.0100.05313.48
5.1.60.0000.06013.48
5.1.50.0000.05713.48
5.1.40.0000.04313.48
5.1.30.0030.03713.48
5.1.20.0070.05013.48
5.1.10.0030.06013.48
5.1.00.0000.05313.48
5.0.50.0030.03713.48
5.0.40.0000.04313.48
5.0.30.0030.05313.48
5.0.20.0000.04013.48
5.0.10.0100.04013.48
5.0.00.0030.06313.48
4.4.90.0030.03713.48
4.4.80.0070.02713.48
4.4.70.0000.03313.48
4.4.60.0100.02713.48
4.4.50.0000.04013.48
4.4.40.0030.04013.48
4.4.30.0030.03313.48
4.4.20.0030.02013.48
4.4.10.0030.03313.48
4.4.00.0000.05713.48
4.3.110.0000.03713.48
4.3.100.0000.03713.48
4.3.90.0070.03013.48
4.3.80.0000.05313.48
4.3.70.0070.02313.48
4.3.60.0070.03013.48
4.3.50.0030.03313.48
4.3.40.0070.05013.48
4.3.30.0070.03313.48
4.3.20.0000.03713.48
4.3.10.0070.03013.48
4.3.00.0030.02313.48

preferences:
41.34 ms | 401 KiB | 5 Q