3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((float) '1613938511.017448'); // float(1613938511.0174) var_dump((float) '1613938511.023691'); // float(1613938511.0237) var_dump((float) '1613938511.018045'); // float(1613938511.018) var_dump((float) '1613938511.018045' == 1613938511.018045 ); // true var_dump((float) '1613938511.018045' == 1613938511.0180 ); // false var_dump((float) '1613938511.018045' === 1613938511.018045 ); // true var_dump((float) '1613938511.018045' === 1613938511.0180 ); // false var_dump(json_encode((float) '1613938511.018045') ); // "1613938511.018045" $f = (float) '1613938511.018045'; // "1613938511.018045" var_dump($f); print_r($f); var_dump(json_encode($f)); // "1613938511.018045"

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)
8.3.60.0110.01118.43
8.3.50.0070.00716.30
8.3.40.0080.00818.75
8.3.30.0060.00918.67
8.3.20.0030.00624.18
8.3.10.0080.00024.66
8.3.00.0040.00426.16
8.2.180.0140.00725.92
8.2.170.0140.00018.96
8.2.160.0090.00622.96
8.2.150.0050.00225.66
8.2.140.0000.00824.66
8.2.130.0030.00626.16
8.2.120.0000.00721.11
8.2.110.0000.00822.31
8.2.100.0050.00517.78
8.2.90.0000.00817.75
8.2.80.0080.00018.73
8.2.70.0030.00617.80
8.2.60.0000.00917.84
8.2.50.0040.00418.10
8.2.40.0030.00520.90
8.2.30.0000.00719.06
8.2.20.0040.00418.05
8.2.10.0030.00519.18
8.2.00.0040.00419.17
8.1.280.0100.00725.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0040.00422.19
8.1.230.0080.00417.58
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0080.00017.24
8.1.180.0050.00518.10
8.1.170.0050.00318.65
8.1.160.0040.00418.88
8.1.150.0070.00018.80
8.1.140.0050.00218.84
8.1.130.0030.00320.08
8.1.120.0000.00717.48
8.1.110.0050.00317.46
8.1.100.0040.00317.50
8.1.90.0000.00717.46
8.1.80.0060.00317.34
8.1.70.0000.00717.35
8.1.60.0000.00917.60
8.1.50.0030.00517.46
8.1.40.0040.00417.44
8.1.30.0020.00517.55
8.1.20.0030.00617.63
8.1.10.0000.00717.55
8.1.00.0000.01017.30
8.0.300.0000.00818.77
8.0.290.0060.00316.63
8.0.280.0070.00018.44
8.0.270.0030.00316.74
8.0.260.0030.00318.27
8.0.250.0000.00716.86
8.0.240.0050.00316.96
8.0.230.0050.00316.94
8.0.220.0040.00416.90
8.0.210.0040.00416.88
8.0.200.0060.00016.82
8.0.190.0030.00516.88
8.0.180.0040.00416.91
8.0.170.0050.00316.91
8.0.160.0000.00816.95
8.0.150.0000.00716.92
8.0.140.0040.00316.88
8.0.130.0050.00013.36
8.0.120.0040.00416.88
8.0.110.0030.00516.97
8.0.100.0000.00716.84
8.0.90.0000.00716.91
8.0.80.0080.01016.87
8.0.70.0040.00416.82
8.0.60.0040.00416.89
8.0.50.0040.00416.82
8.0.30.0030.01117.03
8.0.20.0090.00617.05
8.0.10.0090.00617.02
8.0.00.0040.01117.10
7.4.330.0000.00515.55
7.4.320.0060.00016.52
7.4.300.0070.00016.61
7.4.290.0040.00416.56
7.4.280.0000.00716.38
7.4.270.0030.00516.52
7.4.260.0000.00513.26
7.4.250.0000.00716.46
7.4.240.0030.00316.43
7.4.230.0070.00016.58
7.4.220.0020.00516.60
7.4.210.0040.01216.63
7.4.200.0000.00716.42
7.4.160.0080.00616.54
7.4.150.0170.00916.62
7.4.140.0070.00716.53
7.4.130.0000.01416.55
7.4.120.0030.01016.51
7.4.110.0040.00816.29
7.4.100.0090.00516.66
7.4.90.0070.00716.40
7.4.80.0030.00916.40
7.4.70.0060.00916.42
7.4.60.0100.00316.30
7.4.50.0000.01316.44
7.4.40.0070.00716.27
7.4.30.0100.00316.41
7.4.20.0040.01116.36
7.4.10.0030.01016.45
7.4.00.0100.00316.42
7.3.330.0030.00316.30
7.3.320.0000.00613.17
7.3.310.0000.00616.22
7.3.300.0060.00016.22
7.3.290.0080.00816.25
7.3.270.0030.01016.20
7.3.260.0090.00316.20
7.3.250.0000.01316.23
7.3.240.0030.00916.23
7.3.230.0030.00916.28
7.3.220.0080.01416.22
7.3.210.0120.00016.14
7.3.200.0030.01016.20
7.3.190.0080.00516.15
7.3.180.0130.00016.16
7.3.170.0000.01316.11
7.3.160.0030.01016.22
7.3.150.0100.00316.16
7.3.140.0130.01316.18
7.3.130.0090.00616.17
7.3.120.0030.01016.21
7.3.110.0090.00316.13
7.3.100.0060.00616.15
7.3.90.0060.00916.47
7.3.80.0080.00616.25
7.3.70.0140.00016.27
7.3.60.0030.01016.29
7.3.50.0000.01416.32
7.3.40.0080.00516.25
7.3.30.0000.01316.31
7.3.20.0040.01116.33
7.3.10.0130.00016.25
7.3.00.0120.00316.21

preferences:
62.06 ms | 401 KiB | 5 Q