3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 0b1111111111111111111111111111111111111111111111111111111111111111; var_dump($n); var_dump(sprintf("%.16E", $n)); var_dump(sprintf("%.17E", $n)); var_dump(sprintf("%.16G", $n)); var_dump(sprintf("%.17G", $n)); var_dump(sprintf("%.18G", $n));

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)
8.3.60.0080.01216.50
8.3.50.0140.00621.94
8.3.40.0040.01118.72
8.3.30.0110.00418.71
8.3.20.0030.00620.39
8.3.10.0050.00323.61
8.3.00.0080.00019.72
8.2.180.0160.00618.27
8.2.170.0090.00622.96
8.2.160.0100.00320.30
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0000.00819.03
8.2.120.0040.00426.35
8.2.110.0030.00620.31
8.2.100.0080.00418.05
8.2.90.0060.00319.22
8.2.80.0090.00017.97
8.2.70.0030.00617.36
8.2.60.0000.00818.04
8.2.50.0030.00618.07
8.2.40.0000.00722.37
8.2.30.0050.00220.64
8.2.20.0070.00017.64
8.2.10.0040.00418.00
8.2.00.0000.00817.88
8.1.280.0100.00725.92
8.1.270.0040.00420.33
8.1.260.0030.00728.09
8.1.250.0000.00828.09
8.1.240.0000.00822.10
8.1.230.0000.01120.91
8.1.220.0040.00417.74
8.1.210.0040.00718.77
8.1.200.0090.00017.35
8.1.190.0080.00017.00
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0040.00420.67
8.1.150.0000.00718.88
8.1.140.0000.00819.58
8.1.130.0030.00517.59
8.1.120.0030.00317.33
8.1.110.0040.00417.46
8.1.100.0040.00417.48
8.1.90.0000.00917.42
8.1.80.0030.00517.39
8.1.70.0030.00617.35
8.1.60.0000.00817.57
8.1.50.0060.00317.41
8.1.40.0040.00417.37
8.1.30.0030.00617.62
8.1.20.0040.00417.56
8.1.10.0040.00417.36
8.1.00.0000.00817.45
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0040.00418.39
8.0.270.0070.00317.19
8.0.260.0080.00017.20
8.0.250.0040.00416.93
8.0.240.0080.00016.92
8.0.230.0040.00416.76
8.0.220.0000.00716.88
8.0.210.0000.00816.73
8.0.200.0070.00016.94
8.0.190.0000.00816.94
8.0.180.0040.00416.91
8.0.170.0030.00716.85
8.0.160.0000.00716.89
8.0.150.0000.00816.85
8.0.140.0000.00716.68
8.0.130.0030.00313.28
8.0.120.0000.00816.63
8.0.110.0070.00016.71
8.0.100.0000.00816.91
8.0.90.0000.00716.88
8.0.80.0160.00616.83
8.0.70.0040.00416.85
8.0.60.0040.00416.71
8.0.50.0040.00416.67
8.0.30.0090.00917.03
8.0.20.0110.01017.40
8.0.10.0000.00716.76
8.0.00.0080.00916.68
7.4.330.0050.00016.70
7.4.320.0030.00316.41
7.4.300.0030.00316.56
7.4.290.0030.00316.56
7.4.280.0000.00716.54
7.4.270.0000.00716.43
7.4.260.0040.00416.39
7.4.250.0000.00716.55
7.4.240.0000.00716.51
7.4.230.0030.00516.54
7.4.220.0080.00816.56
7.4.210.0070.01116.50
7.4.200.0040.00416.62
7.4.160.0030.01316.38
7.4.150.0000.01717.40
7.4.140.0110.01117.86
7.4.130.0120.00516.46
7.4.120.0080.01016.38
7.4.110.0160.00416.60
7.4.100.0090.00916.37
7.4.90.0110.01316.47
7.4.80.0140.00419.39
7.4.70.0100.00716.52
7.4.60.0060.01216.57
7.4.50.0070.01016.15
7.4.40.0070.01016.55
7.4.30.0150.00316.60
7.4.00.0070.01014.67
7.3.330.0000.00512.89
7.3.320.0000.00512.91
7.3.310.0070.00016.13
7.3.300.0030.00316.03
7.3.290.0030.00316.14
7.3.280.0110.00816.16
7.3.270.0130.00417.40
7.3.260.0130.00416.46
7.3.250.0110.01016.38
7.3.240.0080.01216.15
7.3.230.0140.00316.39
7.3.210.0100.00616.27
7.3.200.0060.01016.35
7.3.190.0130.00316.20
7.3.180.0140.00316.20
7.3.170.0150.00616.27
7.3.160.0100.00516.23
7.2.330.0120.00616.18
7.2.320.0070.01016.38
7.2.310.0150.00616.53
7.2.300.0080.00916.32
7.2.290.0140.00616.37
7.2.80.0070.00716.20
7.2.00.0030.01019.28
7.1.200.0070.00715.43
7.1.100.0030.00818.20
7.1.70.0000.00717.16
7.1.60.0100.01319.52
7.1.50.0030.01616.49
7.1.00.0070.07322.45
7.0.200.0030.00516.64
7.0.60.0030.04719.96
7.0.50.0100.03717.88
7.0.40.0070.08720.40
7.0.30.0400.07020.30
7.0.20.0230.08319.96
7.0.10.0100.04020.13
7.0.00.0030.04720.16
5.6.280.0000.03320.86
5.6.210.0030.08720.61
5.6.200.0070.08718.13
5.6.190.0000.09320.63
5.6.180.0170.04720.61
5.6.170.0370.03720.33
5.6.160.0100.08320.33
5.6.150.0070.05718.15
5.6.140.0170.07018.20
5.6.130.0070.05318.16
5.6.120.0130.07321.00
5.6.110.0100.07720.89
5.6.100.0100.08321.04
5.6.90.0130.07320.96
5.6.80.0200.06720.37
5.5.350.0100.03720.34
5.5.340.0100.04717.98
5.5.330.0100.04020.28
5.5.320.0500.08020.29
5.5.310.0230.06720.33
5.5.300.0070.06017.91
5.5.290.0030.08717.98
5.5.280.0070.04020.88
5.5.270.0030.09320.72
5.5.260.0170.07720.89
5.5.250.0170.07720.79
5.5.240.0330.06720.18

preferences:
49.81 ms | 401 KiB | 5 Q