3v4l.org

run code in 300+ PHP versions simultaneously
<?php function rev11__kHz_to_us($kHz) { $kHz_real = $kHz * 1E3; $seconds = (1 / $kHz_real); $us = $seconds * 1E6; return $us; } function rev11__us_to_kHz($us) { $us_real = ($us * 1E-6); $freq = (1 / $us_real); $freq_kHz = $freq / 1E3; return $freq_kHz; } var_dump(rev11__kHz_to_us(rev11__us_to_kHz(33.3333)));

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)
8.3.60.0120.00918.56
8.3.50.0110.00417.95
8.3.40.0120.00918.84
8.3.30.0090.00618.63
8.3.20.0080.00019.39
8.3.10.0060.00321.76
8.3.00.0040.00420.70
8.2.180.0180.00017.94
8.2.170.0090.00622.96
8.2.160.0070.00722.16
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00418.03
8.2.120.0050.00326.35
8.2.110.0030.00619.03
8.2.100.0080.00418.03
8.2.90.0030.00617.50
8.2.80.0000.00917.97
8.2.70.0030.00617.93
8.2.60.0040.00417.86
8.2.50.0000.00818.10
8.2.40.0000.00719.42
8.2.30.0000.00819.25
8.2.20.0110.00017.98
8.2.10.0040.00418.07
8.2.00.0040.00417.59
8.1.280.0100.00625.92
8.1.270.0090.00018.89
8.1.260.0070.00026.35
8.1.250.0130.00028.09
8.1.240.0060.00322.19
8.1.230.0070.00318.82
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00817.35
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0060.00318.50
8.1.160.0070.00018.73
8.1.150.0070.00018.71
8.1.140.0000.00822.20
8.1.130.0000.00820.32
8.1.120.0040.00417.34
8.1.110.0040.00417.43
8.1.100.0040.00417.44
8.1.90.0000.00817.29
8.1.80.0030.00617.30
8.1.70.0000.00717.41
8.1.60.0090.00017.66
8.1.50.0060.00317.40
8.1.40.0080.00017.53
8.1.30.0000.00917.66
8.1.20.0080.00017.69
8.1.10.0000.00717.59
8.1.00.0000.00717.43
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0070.00018.46
8.0.270.0060.00017.30
8.0.260.0000.00618.39
8.0.250.0050.00516.86
8.0.240.0030.00316.96
8.0.230.0000.00716.90
8.0.220.0000.00716.79
8.0.210.0070.00016.80
8.0.200.0000.00716.95
8.0.190.0030.00616.89
8.0.180.0000.00916.79
8.0.170.0030.00616.76
8.0.160.0000.00816.75
8.0.150.0050.00216.78
8.0.140.0000.00716.74
8.0.130.0030.00313.30
8.0.120.0000.00716.78
8.0.110.0030.00616.84
8.0.100.0000.00716.84
8.0.90.0050.00216.63
8.0.80.0100.00816.84
8.0.70.0040.00416.68
8.0.60.0070.00016.68
8.0.50.0080.00016.82
8.0.30.0090.00817.03
8.0.20.0170.01317.40
8.0.10.0000.00716.91
8.0.00.0130.00616.68
7.4.330.0020.00215.55
7.4.320.0030.00316.44
7.4.300.0000.00616.59
7.4.290.0000.00716.55
7.4.280.0030.00516.39
7.4.270.0080.00016.61
7.4.260.0030.00316.52
7.4.250.0030.00516.46
7.4.240.0030.00316.61
7.4.230.0000.00716.70
7.4.220.0070.00016.40
7.4.210.0080.00916.54
7.4.200.0030.00316.58
7.4.160.0080.00916.37
7.4.140.0080.00917.86
7.4.130.0120.00616.27
7.4.120.0080.01116.50
7.4.110.0120.01216.55
7.4.100.0110.00716.47
7.4.90.0060.01216.46
7.4.80.0030.01919.39
7.4.70.0060.01316.43
7.4.60.0100.00716.55
7.4.50.0070.01016.31
7.4.40.0100.00616.55
7.4.00.0060.00715.01
7.3.330.0000.00513.45
7.3.320.0030.00313.28
7.3.310.0000.00816.48
7.3.300.0030.00316.42
7.3.290.0060.00016.41
7.3.280.0110.01116.40
7.3.260.0140.00416.45
7.3.240.0140.00616.54
7.3.230.0150.00916.57
7.3.210.0090.00916.58
7.3.200.0130.00716.50
7.3.190.0080.00816.41
7.3.180.0100.00716.45
7.3.170.0120.00616.39
7.3.160.0030.01616.39
7.3.120.0070.00915.00
7.3.110.0050.01114.90
7.3.100.0060.00814.80
7.3.90.0080.00614.84
7.3.80.0050.00314.78
7.3.70.0020.00914.77
7.3.60.0020.01014.83
7.3.50.0030.00814.93
7.3.40.0070.00914.95
7.3.30.0030.00914.71
7.3.20.0040.00916.68
7.3.10.0030.01116.66
7.3.00.0040.00916.49
7.2.330.0070.01016.33
7.2.320.0140.00316.57
7.2.310.0070.01016.58
7.2.300.0030.01316.52
7.2.290.0110.00616.25
7.2.250.0070.01115.21
7.2.240.0050.01314.72
7.2.230.0080.00414.87
7.2.220.0090.00514.87
7.2.210.0090.00714.87
7.2.200.0070.00314.75
7.2.190.0080.00414.89
7.2.180.0070.00814.99
7.2.170.0110.00414.65
7.2.160.0070.00714.71
7.2.150.0070.01016.78
7.2.140.0120.00316.87
7.2.130.0030.01016.67
7.2.120.0060.01016.79
7.2.110.0270.00615.62
7.2.100.0240.00615.71
7.2.90.0340.00515.57
7.2.80.0080.00615.72
7.2.70.0290.01015.79
7.2.60.0120.00715.77
7.2.50.0330.00515.83
7.2.40.0320.00915.90
7.2.30.0300.00915.75
7.2.20.0270.00815.78
7.2.10.0070.01016.00
7.2.00.0050.01015.71
7.1.330.0050.01015.72
7.1.320.0050.00615.88
7.1.310.0040.00615.87
7.1.300.0050.00715.64
7.1.290.0050.00815.62
7.1.280.0050.00615.75
7.1.270.0040.00915.88
7.1.260.0050.00815.76
7.1.250.0070.00715.84
7.1.230.0640.00413.54
7.1.220.0110.00313.74
7.1.210.0410.01013.57
7.1.200.0100.01013.73
7.1.190.0570.00014.09
7.1.180.0520.00813.97
7.1.170.0090.00513.93
7.1.160.0540.00713.96
7.1.150.0520.00313.92
7.1.140.0320.00013.93
7.1.130.0410.00613.94
7.1.120.0470.01114.03
7.1.110.0160.00013.92
7.1.100.0710.00613.99
7.1.90.0080.00313.88
7.1.80.0220.00613.77
7.1.70.0590.00313.85
7.1.60.0290.00531.80
7.1.50.0690.00731.87
7.1.40.0190.01631.80
7.1.30.0340.00931.88
7.1.20.0550.01631.84
7.1.10.0570.01013.46
7.1.00.0140.00413.70
5.6.380.0050.01114.34

preferences:
55.53 ms | 400 KiB | 5 Q