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]; } echo decode(encode(10000000000000)).'<br><br>'; $float = encode(10000000000000); echo $float.'<br>'; echo decode($float).'<br>'; echo decode(1.1710299640683E-305).'<br>'; echo 1.1710299640683E-305;echo "<br>"; var_dump(1.1710299640683E-305 == $float);

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)
8.3.60.0070.00716.75
8.3.50.0090.01222.12
8.3.40.0150.00018.85
8.3.30.0140.00019.05
8.3.20.0040.00420.28
8.3.10.0040.00423.78
8.3.00.0040.00419.16
8.2.180.0110.00318.54
8.2.170.0070.01022.96
8.2.160.0110.00320.30
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00022.21
8.2.110.0070.00322.35
8.2.100.0070.00418.09
8.2.90.0040.00419.27
8.2.80.0030.00518.05
8.2.70.0070.00317.50
8.2.60.0040.00418.05
8.2.50.0060.00618.07
8.2.40.0000.00818.28
8.2.30.0000.00718.08
8.2.20.0000.00817.75
8.2.10.0000.00718.11
8.2.00.0060.00317.82
8.1.280.0120.00625.92
8.1.270.0050.00323.96
8.1.260.0050.00326.35
8.1.250.0070.01028.09
8.1.240.0050.00523.92
8.1.230.0080.00319.14
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0080.00017.43
8.1.180.0090.00018.10
8.1.170.0040.00418.70
8.1.160.0070.00022.08
8.1.150.0040.00418.62
8.1.140.0000.00717.53
8.1.130.0040.00417.77
8.1.120.0000.00817.60
8.1.110.0000.01117.53
8.1.100.0030.00617.42
8.1.90.0040.00417.43
8.1.80.0000.00717.57
8.1.70.0030.00317.42
8.1.60.0090.00317.69
8.1.50.0000.00817.50
8.1.40.0030.00517.63
8.1.30.0030.00517.71
8.1.20.0000.00717.56
8.1.10.0000.00817.66
8.1.00.0000.00817.58
8.0.300.0000.00819.34
8.0.290.0000.00917.16
8.0.280.0000.00818.53
8.0.270.0050.00317.33
8.0.260.0050.00217.32
8.0.250.0070.00017.05
8.0.240.0000.00717.00
8.0.230.0080.00016.91
8.0.220.0030.00316.91
8.0.210.0000.00716.95
8.0.200.0000.00717.07
8.0.190.0030.00516.94
8.0.180.0040.00416.88
8.0.170.0080.00016.89
8.0.160.0000.00816.95
8.0.150.0040.00416.89
8.0.140.0050.00316.98
8.0.130.0070.00013.35
8.0.120.0000.00816.99
8.0.110.0000.00716.87
8.0.100.0000.00716.99
8.0.90.0040.00416.92
8.0.80.0160.00616.95
8.0.70.0000.00816.87
8.0.60.0040.00416.84
8.0.50.0040.00416.87
8.0.30.0120.00817.35
8.0.20.0110.00717.40
8.0.10.0000.00717.07
8.0.00.0160.00216.73
7.4.330.0000.00515.08
7.4.320.0000.00616.69
7.4.300.0070.00016.68
7.4.290.0040.00416.68
7.4.280.0040.00416.50
7.4.270.0000.00716.69
7.4.260.0030.00316.60
7.4.250.0000.00716.59
7.4.240.0050.00216.63
7.4.230.0070.00016.66
7.4.220.0090.00616.70
7.4.210.0040.01116.69
7.4.200.0000.00816.38
7.4.190.0030.00316.75
7.4.160.0030.01516.51
7.4.150.0120.00617.40
7.4.140.0050.01217.86
7.4.130.0030.01416.61
7.4.120.0130.00516.63
7.4.110.0150.00416.77
7.4.100.0100.00716.46
7.4.90.0070.01016.65
7.4.80.0140.00419.39
7.4.70.0040.01416.52
7.4.60.0160.00016.54
7.4.50.0040.00416.65
7.4.40.0030.01322.77
7.4.30.0090.00916.52
7.4.00.0100.00615.23
7.3.330.0000.00513.37
7.3.320.0000.00513.20
7.3.310.0070.00016.34
7.3.300.0000.00716.51
7.3.290.0040.01216.35
7.3.280.0080.00716.44
7.3.270.0120.00817.40
7.3.260.0120.00616.41
7.3.250.0100.00616.60
7.3.240.0100.00716.32
7.3.230.0060.01516.39
7.3.210.0030.01516.63
7.3.200.0070.01119.39
7.3.190.0030.01716.59
7.3.180.0080.00816.36
7.3.170.0100.00716.61
7.3.160.0130.00416.50
7.3.120.0060.00915.19
7.3.10.0030.01016.66
7.3.00.0130.00016.60
7.2.330.0120.00616.72
7.2.320.0170.00616.87
7.2.310.0090.00916.52
7.2.300.0110.01116.79
7.2.290.0090.01216.94
7.2.130.0100.00716.93
7.2.120.0090.00916.91
7.2.110.0060.00616.90
7.2.100.0140.00916.89
7.2.90.0040.00816.68
7.2.80.0120.00317.02
7.2.70.0110.00016.63
7.2.60.0060.00316.97
7.2.50.0130.00416.75
7.2.40.0000.01116.67
7.2.30.0030.00916.95
7.2.20.0030.01016.58
7.2.10.0080.00416.96
7.2.00.0120.00718.22
7.1.250.0110.00815.84
7.1.200.0110.00315.84
7.1.100.0030.01018.35
7.1.70.0030.01216.89
7.1.60.0120.01219.46
7.1.50.0040.01117.22
7.1.00.0100.07022.55
7.0.200.0030.00614.77
7.0.140.0000.07722.21
7.0.60.0030.09020.17
7.0.50.0100.06017.90
7.0.40.0170.08320.38
7.0.30.0270.07320.43
7.0.20.0270.07020.45
7.0.10.0030.04320.13
7.0.00.0070.09020.34
5.6.280.0030.07321.21
5.6.210.0100.07720.56
5.6.200.0070.06318.34
5.6.190.0130.06020.55
5.6.180.0300.07720.56
5.6.170.0200.03720.53
5.6.160.0100.04020.63
5.6.150.0070.06718.35
5.6.140.0030.04018.38
5.6.130.0130.07718.23
5.6.120.0030.06721.09
5.6.110.0100.05721.03
5.6.100.0100.07321.13
5.6.90.0170.07021.17
5.6.80.0000.07720.64
5.5.350.0000.08320.66
5.5.340.0100.07718.08
5.5.330.0030.06320.35
5.5.320.0370.06720.44
5.5.310.0200.03320.42
5.5.300.0070.08018.11
5.5.290.0170.07018.21
5.5.280.0130.06020.90
5.5.270.0170.07720.90
5.5.260.0170.07720.90
5.5.250.0200.07320.62
5.5.240.0330.06720.28
5.4.450.0670.07319.71
5.4.440.1030.07019.61
5.4.430.0800.06319.60
5.4.420.0430.05019.47
5.4.410.0730.04319.25
5.4.400.0730.05319.26
5.4.390.0730.06319.26
5.4.380.0230.06018.79
5.4.370.0430.06318.79
5.4.360.0500.05318.53
5.4.350.0060.03412.02
5.4.340.0110.03112.02
5.4.320.0010.05012.51
5.4.310.0090.05012.50
5.4.300.0090.04712.51
5.4.290.0080.04312.48
5.4.280.0060.03712.39
5.4.270.0060.03812.39
5.4.260.0090.04312.39
5.4.250.0080.03912.39
5.4.240.0060.03812.39
5.4.230.0060.03912.38
5.4.220.0060.03812.38
5.4.210.0070.03912.38
5.4.200.0110.05212.38
5.4.190.0070.05312.37
5.4.180.0090.03912.38
5.4.170.0090.03912.39
5.4.160.0090.04112.38
5.4.150.0070.04712.38
5.4.140.0120.03612.06
5.4.130.0050.04212.05
5.4.120.0070.04012.01
5.4.110.0080.03712.00
5.4.100.0070.03712.01
5.4.90.0090.05312.00
5.4.80.0100.05912.00
5.4.70.0090.04712.00
5.4.60.0110.05912.00
5.4.50.0090.05712.00
5.4.40.0090.05011.98
5.4.30.0130.08011.98
5.4.20.0120.04911.98
5.4.10.0130.04711.98
5.4.00.0090.03911.48
5.3.290.0090.03912.80
5.3.280.0100.03612.71
5.3.270.0090.03912.72
5.3.260.0070.04012.72
5.3.250.0080.04012.72
5.3.240.0070.04012.72
5.3.230.0120.03412.71
5.3.220.0050.04512.68
5.3.210.0100.03712.68
5.3.200.0060.03812.68
5.3.190.0150.03712.68
5.3.180.0080.04412.67
5.3.170.0070.03712.66
5.3.160.0070.04312.67
5.3.150.0110.05212.68
5.3.140.0090.04612.66
5.3.130.0100.05312.65
5.3.120.0130.06712.66
5.3.110.0140.05712.65
5.3.100.0100.05212.13
5.3.90.0110.05212.11
5.3.80.0090.05512.10
5.3.70.0160.04112.10
5.3.60.0130.04712.08
5.3.50.0070.04012.03
5.3.40.0110.05812.02
5.3.30.0140.04711.98
5.3.20.0170.04611.77
5.3.10.0080.05111.74
5.3.00.0170.05811.72
5.2.170.0140.0459.22
5.2.160.0170.0409.22
5.2.150.0150.0679.22
5.2.140.0110.0509.22
5.2.130.0050.0429.18
5.2.120.0110.0409.18
5.2.110.0100.0409.19
5.2.100.0080.0459.18
5.2.90.0100.0519.18
5.2.80.0130.0449.17
5.2.70.0120.0459.17
5.2.60.0090.0429.13
5.2.50.0060.0489.09
5.2.40.0080.0349.07
5.2.30.0060.0449.05
5.2.20.0060.0319.04
5.2.10.0050.0328.95
5.2.00.0100.0318.81
5.1.60.0100.0358.09
5.1.50.0060.0458.09
5.1.40.0110.0378.06
5.1.30.0150.0368.42
5.1.20.0050.0288.44
5.1.10.0040.0388.16
5.1.00.0030.0418.17
5.0.50.0050.0266.64
5.0.40.0020.0226.51
5.0.30.0050.0436.31
5.0.20.0060.0256.28
5.0.10.0050.0276.27
5.0.00.0060.0436.26
4.4.90.0030.0254.78
4.4.80.0020.0264.76
4.4.70.0060.0204.75
4.4.60.0040.0194.76
4.4.50.0050.0154.77
4.4.40.0010.0294.71
4.4.30.0040.0174.75
4.4.20.0070.0204.84
4.4.10.0060.0174.85
4.4.00.0030.0314.75
4.3.110.0050.0184.67
4.3.100.0040.0234.67
4.3.90.0060.0214.63
4.3.80.0030.0304.59
4.3.70.0050.0224.63
4.3.60.0030.0224.63
4.3.50.0070.0304.63
4.3.40.0060.0304.54
4.3.30.0040.0153.30
4.3.20.0030.0163.28
4.3.10.0020.0173.24
4.3.00.0100.0207.44

preferences:
39.65 ms | 401 KiB | 5 Q