3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1616497608.0510409; $b = 1616497608; var_dump(json_encode($a)); var_dump(json_encode((float) $a)); var_dump(json_encode($b)); var_dump(json_encode((float) $b)); var_dump(DateTimeImmutable::createFromFormat('U.u', $a)); var_dump(DateTimeImmutable::createFromFormat('U.u', (float) $b)); var_dump(DateTimeImmutable::createFromFormat('U.u', floatval($b)));

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)
8.3.60.0000.01516.50
8.3.50.0040.01118.24
8.3.40.0070.00719.04
8.3.30.0040.01119.17
8.3.20.0040.00424.18
8.3.10.0000.00824.66
8.3.00.0080.00026.16
8.2.180.0130.00625.92
8.2.170.0090.01219.29
8.2.160.0110.00422.96
8.2.150.0100.00725.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00420.14
8.2.110.0090.00020.72
8.2.100.0030.00718.03
8.2.90.0030.01018.00
8.2.80.0030.00619.11
8.2.70.0090.00018.00
8.2.60.0040.00418.29
8.2.50.0090.00018.05
8.2.40.0000.00718.30
8.2.30.0000.00718.36
8.2.20.0000.00718.34
8.2.10.0000.00719.57
8.2.00.0070.00019.57
8.1.280.0080.01125.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0190.00321.16
8.1.230.0040.00821.29
8.1.220.0040.00417.90
8.1.210.0040.00418.77
8.1.200.0080.00017.60
8.1.190.0040.00417.48
8.1.180.0050.00318.10
8.1.170.0080.00018.96
8.1.160.0040.00419.13
8.1.150.0040.00419.04
8.1.140.0040.00419.11
8.1.130.0030.00520.35
8.1.120.0040.00417.70
8.1.110.0040.00417.75
8.1.100.0030.00617.77
8.1.90.0030.00517.67
8.1.80.0000.00717.64
8.1.70.0040.00417.84
8.1.60.0040.00417.87
8.1.50.0030.00617.81
8.1.40.0000.00817.80
8.1.30.0060.00317.84
8.1.20.0030.00617.93
8.1.10.0040.00417.75
8.1.00.0000.01117.89
8.0.300.0070.00018.92
8.0.290.0000.00817.13
8.0.280.0000.00718.68
8.0.270.0040.00418.46
8.0.260.0000.00618.68
8.0.250.0000.00717.30
8.0.240.0000.00617.22
8.0.230.0000.00717.31
8.0.220.0000.00817.21
8.0.210.0000.00717.18
8.0.200.0070.00017.31
8.0.190.0040.00417.25
8.0.180.0070.00017.23
8.0.170.0080.00017.29
8.0.160.0070.00017.27
8.0.150.0000.00817.22
8.0.140.0090.00017.10
8.0.130.0030.00313.62
8.0.120.0000.00917.09
8.0.110.0050.00217.18
8.0.100.0070.00017.40
8.0.90.0040.00417.17
8.0.80.0090.00917.09
8.0.70.0040.00417.20
8.0.60.0040.00417.25
8.0.50.0070.00017.07
8.0.30.0120.00617.18
8.0.20.0080.01517.25
8.0.10.0090.00617.30
8.0.00.0060.01217.26
7.4.330.0030.00315.55
7.4.320.0000.00716.75
7.4.300.0040.00416.93
7.4.290.0060.00516.78
7.4.280.0060.00316.91
7.4.270.0000.00716.80
7.4.260.0000.00513.52
7.4.250.0030.00316.81
7.4.240.0040.00416.81
7.4.230.0030.00316.98
7.4.220.0040.00417.03
7.4.210.0080.00616.80
7.4.200.0000.00716.85
7.4.160.0110.00816.77
7.4.150.0100.01316.62
7.4.140.0110.00716.75
7.4.130.0120.00616.66
7.4.120.0040.01116.55
7.4.110.0110.00316.54
7.4.100.0050.00916.82
7.4.90.0090.00516.62
7.4.80.0090.00616.56
7.4.70.0050.01016.47
7.4.60.0030.01416.55
7.4.50.0070.00716.44
7.4.40.0080.00816.69
7.4.30.0070.01416.68
7.4.20.0130.00316.57
7.4.10.0000.01516.68
7.4.00.0120.00916.59
7.3.330.0000.00916.64
7.3.320.0000.00613.34
7.3.310.0000.00716.54
7.3.300.0030.00316.64
7.3.290.0080.00916.48
7.3.270.0120.01216.39
7.3.260.0080.00816.40
7.3.250.0130.00616.45
7.3.240.0060.01016.50
7.3.230.0060.01016.46
7.3.220.0100.00616.45
7.3.210.0090.00616.50
7.3.200.0030.01216.45
7.3.190.0080.00816.40
7.3.180.0120.00316.53
7.3.170.0110.00516.50
7.3.160.0040.01416.47
7.3.150.0100.01016.47
7.3.140.0190.00016.54
7.3.130.0140.00016.54
7.3.120.0060.00916.39
7.3.110.0060.01316.34
7.3.100.0080.00816.36
7.3.90.0080.00816.64
7.3.80.0070.00716.36
7.3.70.0080.01116.48
7.3.60.0100.01016.44
7.3.50.0070.01416.55
7.3.40.0120.00916.44
7.3.30.0030.01416.43
7.3.20.0140.00716.45
7.3.10.0090.01216.46
7.3.00.0120.00616.48

preferences:
32.2 ms | 400 KiB | 5 Q