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(20));

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)
8.3.60.0040.01818.43
8.3.50.0110.00418.04
8.3.40.0140.00718.66
8.3.30.0040.01118.57
8.3.20.0050.00319.30
8.3.10.0040.00421.94
8.3.00.0070.00020.64
8.2.180.0120.00318.16
8.2.170.0090.00622.96
8.2.160.0060.00920.34
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00418.09
8.2.120.0040.00426.35
8.2.110.0000.00920.37
8.2.100.0080.00317.72
8.2.90.0050.00317.62
8.2.80.0030.00618.73
8.2.70.0030.00517.93
8.2.60.0050.00518.03
8.2.50.0040.00418.10
8.2.40.0080.00021.06
8.2.30.0040.00419.25
8.2.20.0030.00617.98
8.2.10.0040.00417.98
8.2.00.0000.00817.53
8.1.280.0080.00825.92
8.1.270.0040.00419.05
8.1.260.0080.00026.35
8.1.250.0070.00728.09
8.1.240.0000.00822.04
8.1.230.0060.00617.70
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.22
8.1.190.0050.00317.54
8.1.180.0050.00318.10
8.1.170.0040.00418.51
8.1.160.0030.00618.85
8.1.150.0000.00818.84
8.1.140.0030.00322.18
8.1.130.0030.00320.30
8.1.120.0000.00717.37
8.1.110.0050.00317.34
8.1.100.0070.00017.43
8.1.90.0000.00717.39
8.1.80.0060.00317.30
8.1.70.0000.00717.30
8.1.60.0040.00417.50
8.1.50.0050.00217.60
8.1.40.0000.00717.50
8.1.30.0040.00817.52
8.1.20.0040.00417.60
8.1.10.0040.00417.55
8.1.00.0000.00717.38
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0040.00318.36
8.0.270.0000.00817.26
8.0.260.0030.00318.52
8.0.250.0070.00316.84
8.0.240.0000.00616.93
8.0.230.0070.00016.91
8.0.220.0000.00716.82
8.0.210.0000.00716.80
8.0.200.0000.00716.88
8.0.190.0100.00016.91
8.0.180.0000.00816.82
8.0.170.0040.00416.84
8.0.160.0070.00016.89
8.0.150.0070.00316.71
8.0.140.0000.00716.75
8.0.130.0050.00013.27
8.0.120.0040.00416.75
8.0.110.0040.00416.61
8.0.100.0000.00716.76
8.0.90.0050.00316.72
8.0.80.0110.00516.82
8.0.70.0030.00516.68
8.0.60.0030.00516.84
8.0.50.0060.00316.84
8.0.30.0140.00316.95
8.0.20.0120.01017.40
8.0.10.0040.00416.80
8.0.00.0080.01116.61
7.4.330.0030.00315.55
7.4.320.0050.00316.52
7.4.300.0030.00316.45
7.4.290.0030.00316.60
7.4.280.0000.00716.63
7.4.270.0040.00416.52
7.4.260.0070.00016.49
7.4.250.0030.00616.50
7.4.240.0030.00316.61
7.4.230.0030.00316.30
7.4.220.0040.00416.61
7.4.210.0060.01216.58
7.4.200.0030.00316.50
7.4.160.0070.01016.54
7.4.140.0090.00817.86
7.4.130.0110.00716.45
7.4.120.0100.01016.52
7.4.110.0070.01616.36
7.4.100.0120.00316.55
7.4.90.0100.00716.39
7.4.80.0120.00919.39
7.4.70.0080.00816.53
7.4.60.0080.00816.37
7.4.50.0070.01116.28
7.4.40.0110.01116.40
7.4.00.0040.01114.86
7.3.330.0000.00513.38
7.3.320.0000.00613.23
7.3.310.0040.00416.23
7.3.300.0060.00016.35
7.3.290.0040.00416.41
7.3.280.0110.00916.31
7.3.260.0100.00716.41
7.3.240.0090.00916.48
7.3.230.0200.00316.62
7.3.210.0040.01516.50
7.3.200.0150.00316.25
7.3.190.0070.01616.43
7.3.180.0060.01516.18
7.3.170.0100.01316.47
7.3.160.0120.00316.43
7.2.330.0090.00916.30
7.2.320.0070.01016.29
7.2.310.0130.00416.69
7.2.300.0100.00616.46
7.2.290.0100.00716.36
7.2.110.0190.01014.50
7.2.100.0270.00714.62
7.2.90.0150.01514.74
7.2.80.0190.00914.64
7.2.70.0330.00614.96
7.2.60.0150.01214.59
7.2.50.0230.01115.12
7.2.40.0210.01114.86
7.2.30.0210.00615.17
7.2.20.0300.00715.03
7.2.10.0180.00414.80
7.2.00.0190.00314.80
7.1.230.0260.00513.95
7.1.220.1670.01313.87
7.1.210.0320.00613.79
7.1.200.0210.00513.81
7.1.190.0230.00513.91
7.1.180.0360.00014.10
7.1.170.0280.00713.86
7.1.160.0210.00313.97
7.1.150.0250.00314.03
7.1.140.0170.00314.05
7.1.130.0230.00313.89
7.1.120.0110.01113.70
7.1.110.0170.00513.98
7.1.100.0160.00513.62
7.1.90.0320.00013.48
7.1.80.0160.00313.50
7.1.70.0110.01113.51
7.1.60.0350.00331.41
7.1.50.0330.00731.60
7.1.40.0230.01431.66
7.1.30.0430.01031.61
7.1.20.0310.00831.66
7.1.10.0190.00313.71
7.1.00.0160.00713.49
5.6.380.0070.01414.10

preferences:
67.12 ms | 400 KiB | 5 Q