3v4l.org

run code in 300+ PHP versions simultaneously
<?php function roundDownToHalf($number) { $remainder = ($number * 10) % 10; $half = $remainder >= 5 ? 0.5 : 0; $value = floatval(intval($number) + $half); return number_format($value, 1, '.', ''); } define("ENDL", "\n"); print roundDownToHalf(4.9) . ENDL; print roundDownToHalf(4.8) . ENDL; print roundDownToHalf(4.5) . ENDL; print roundDownToHalf(3.8) . ENDL; print roundDownToHalf(2.3) . ENDL; print roundDownToHalf(1.0) . ENDL; ?>

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)
8.3.70.0150.00316.58
8.3.60.0070.01418.43
8.3.50.0110.00621.92
8.3.40.0140.00018.79
8.3.30.0090.00618.84
8.3.20.0040.00418.73
8.3.10.0080.00021.07
8.3.00.0080.00023.73
8.2.180.0040.01518.23
8.2.170.0090.00622.96
8.2.160.0030.01320.34
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00319.25
8.2.110.0030.00620.65
8.2.100.0100.00317.84
8.2.90.0000.00819.21
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0070.00417.93
8.2.50.0000.00818.07
8.2.40.0080.00018.22
8.2.30.0090.00019.80
8.2.20.0000.00717.66
8.2.10.0040.00417.69
8.2.00.0030.00617.75
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0090.00022.20
8.1.230.0060.00617.42
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.38
8.1.190.0060.00317.65
8.1.180.0080.00018.10
8.1.170.0040.00418.49
8.1.160.0040.00418.94
8.1.150.0040.00418.60
8.1.140.0050.00217.54
8.1.130.0000.00717.88
8.1.120.0030.00317.47
8.1.110.0040.00417.39
8.1.100.0020.00517.52
8.1.90.0040.00417.51
8.1.80.0040.00417.50
8.1.70.0000.00717.57
8.1.60.0030.00517.68
8.1.50.0030.00517.57
8.1.40.0030.00617.50
8.1.30.0000.00717.57
8.1.20.0030.00617.75
8.1.10.0000.00817.58
8.1.00.0000.01017.51
8.0.300.0060.00318.77
8.0.290.0060.00316.88
8.0.280.0060.00318.59
8.0.270.0030.00317.27
8.0.260.0000.00716.89
8.0.250.0080.00017.07
8.0.240.0040.00416.98
8.0.230.0000.00717.07
8.0.220.0000.00716.88
8.0.210.0050.00216.86
8.0.200.0040.00417.11
8.0.190.0000.00717.04
8.0.180.0040.00416.96
8.0.170.0080.00017.01
8.0.160.0030.00317.05
8.0.150.0040.00416.82
8.0.140.0030.00716.89
8.0.130.0000.00513.45
8.0.120.0020.00516.95
8.0.110.0000.00717.05
8.0.100.0070.00016.76
8.0.90.0040.00416.85
8.0.80.0150.00416.91
8.0.70.0050.00316.78
8.0.60.0040.00416.96
8.0.50.0030.00516.84
8.0.30.0150.00617.12
8.0.20.0180.00317.40
8.0.10.0040.00417.14
8.0.00.0100.01016.85
7.4.330.0050.00014.91
7.4.320.0030.00616.56
7.4.300.0030.00316.70
7.4.290.0040.00416.76
7.4.280.0040.00416.68
7.4.270.0000.00716.59
7.4.260.0000.00613.41
7.4.250.0030.00616.40
7.4.240.0000.00716.54
7.4.230.0030.00316.41
7.4.220.0130.00316.57
7.4.210.0060.01016.62
7.4.200.0000.00716.77
7.4.190.0030.00716.70
7.4.160.0090.00616.54
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0110.00916.64
7.4.120.0100.00816.59
7.4.110.0120.00616.61
7.4.100.0070.01016.49
7.4.90.0140.00616.47
7.4.80.0090.00919.37
7.4.70.0120.00516.57
7.4.60.0100.00716.53
7.4.50.0060.00316.50
7.4.40.0090.00622.27
7.4.30.0110.00616.52
7.4.00.0090.00615.11
7.3.330.0000.00513.34
7.3.320.0050.00013.15
7.3.310.0070.00016.38
7.3.300.0000.00716.43
7.3.290.0040.01116.35
7.3.280.0080.01016.39
7.3.270.0120.00617.40
7.3.260.0120.00718.24
7.3.250.0100.01016.62
7.3.240.0070.01116.43
7.3.230.0040.01416.60
7.3.210.0070.01316.62
7.3.200.0060.01219.39
7.3.190.0130.01016.61
7.3.180.0100.00716.70
7.3.170.0060.01516.73
7.3.160.0150.00016.49
7.3.120.0090.00614.88
7.3.00.0090.00316.60
7.2.330.0100.00916.72
7.2.320.0070.01016.88
7.2.310.0150.00616.79
7.2.300.0140.00316.41
7.2.290.0080.00916.82
7.2.130.0100.00316.77
7.2.120.0070.00716.86
7.2.110.0060.00316.61
7.2.100.0070.00716.56
7.2.90.0130.00316.61
7.2.80.0120.00317.12
7.2.70.0070.00716.89
7.2.60.0030.01016.98
7.2.50.0080.00516.88
7.2.40.0000.01316.93
7.2.30.0030.00917.06
7.2.20.0070.00716.92
7.2.10.0000.01016.96
7.2.00.0060.00617.15
7.1.250.0000.01115.88
7.1.240.0000.00816.04
7.1.230.0040.00815.60
7.1.220.0030.00615.72
7.1.210.0040.01115.99
7.1.200.0060.00615.81
7.1.190.0000.01415.70
7.1.180.0040.00715.69
7.1.170.0080.00415.67
7.1.160.0060.00615.55
7.1.150.0040.00715.79
7.1.140.0090.00015.55
7.1.130.0000.00915.78
7.1.120.0050.00315.51
7.1.110.0080.00315.79
7.1.100.0050.00816.75
7.1.90.0060.00615.72
7.1.80.0000.01315.86
7.1.70.0000.00916.53
7.1.60.0060.01117.45
7.1.50.0050.01216.24
7.1.40.0030.00915.55
7.1.30.0050.00515.87
7.1.20.0070.00315.43
7.1.10.0040.00715.79
7.1.00.0050.03319.00
7.0.330.0060.00315.42
7.0.320.0020.00515.37
7.0.310.0040.00815.44
7.0.300.0000.00815.18
7.0.290.0000.01115.19
7.0.280.0060.00315.41
7.0.270.0040.00715.12
7.0.260.0000.01015.32
7.0.250.0000.00715.39
7.0.240.0070.00315.30
7.0.230.0000.01215.24
7.0.220.0040.00815.61
7.0.210.0060.00615.41
7.0.200.0020.00716.23
7.0.190.0000.01115.34
7.0.180.0040.01115.56
7.0.170.0090.00015.57
7.0.160.0060.00315.43
7.0.150.0090.00615.41
7.0.140.0050.03918.69
7.0.130.0100.00315.25
7.0.120.0030.00915.27
7.0.110.0100.00015.39
7.0.100.0000.01115.39
7.0.90.0030.00715.14
7.0.80.0000.01015.42
7.0.70.0070.04118.53
7.0.60.0100.04318.43
7.0.50.0070.04518.96
7.0.40.0080.04516.56
7.0.30.0070.04516.77
7.0.20.0070.02716.63
7.0.10.0060.03016.63
7.0.00.0070.04516.69
5.6.380.0030.00914.15
5.6.370.0050.00514.45
5.6.360.0030.01014.13
5.6.350.0040.00414.27
5.6.340.0050.00314.55
5.6.330.0070.00714.58
5.6.320.0070.00414.15
5.6.310.0090.00314.56
5.6.300.0080.00313.99
5.6.290.0060.00613.92
5.6.280.0070.03617.78
5.6.270.0000.01014.04
5.6.260.0040.01114.42
5.6.250.0030.00914.33
5.6.240.0080.00314.25
5.6.230.0070.00414.25
5.6.220.0050.04717.43
5.6.210.0040.03117.46
5.6.200.0090.03517.63
5.6.190.0060.04517.67
5.6.180.0050.03817.68
5.6.170.0080.04217.68
5.6.160.0030.03417.83
5.6.150.0060.04317.63
5.6.140.0020.05117.67
5.6.130.0080.02717.68
5.6.120.0050.04517.52
5.6.110.0030.04717.56
5.6.100.0080.04317.56
5.6.90.0090.04217.61
5.6.80.0050.03817.34
5.6.70.0030.04117.29
5.6.60.0060.02217.37
5.6.50.0080.02617.40
5.6.40.0030.04317.41
5.6.30.0060.04317.32
5.6.20.0050.02517.24
5.6.10.0080.04117.38
5.6.00.0030.02717.39
5.5.380.0060.00311.18
5.5.370.0030.00311.18
5.5.360.0030.04615.83
5.5.350.0080.04315.80
5.5.340.0010.02816.03
5.5.330.0030.04415.99
5.5.320.0040.04516.00
5.5.310.0020.03516.08
5.5.300.0050.04716.06
5.5.290.0050.03216.03
5.5.280.0050.02316.07
5.5.270.0030.04516.05
5.5.260.0010.02816.14
5.5.250.0060.03215.89
5.5.240.0020.03615.73
5.5.230.0050.02815.66
5.5.220.0070.02715.72
5.5.210.0070.01815.72
5.5.200.0030.02215.64
5.5.190.0060.04315.65
5.5.180.0050.04515.74
5.5.170.0050.00011.18
5.5.160.0020.02315.70
5.5.150.0030.04415.69
5.5.140.0070.03715.69
5.5.130.0050.04415.68
5.5.120.0030.04315.71
5.5.110.0030.04215.58
5.5.100.0080.03115.63
5.5.90.0070.04215.63
5.5.80.0020.04415.61
5.5.70.0080.03515.65
5.5.60.0000.04715.65
5.5.50.0040.04115.61
5.5.40.0080.04315.73
5.5.30.0110.03515.61
5.5.20.0070.03515.64
5.5.10.0050.04515.64
5.5.00.0030.04415.59
5.4.450.0100.02915.26
5.4.440.0080.04115.36
5.4.430.0050.03715.26
5.4.420.0050.02415.31
5.4.410.0030.03815.33
5.4.400.0030.04015.04
5.4.390.0040.03315.07
5.4.380.0020.02815.21
5.4.370.0020.03415.16
5.4.360.0050.02515.19
5.4.350.0030.04215.17
5.4.340.0090.03815.16
5.4.330.0000.00611.26
5.4.320.0050.04015.07
5.4.310.0050.02615.22
5.4.300.0030.04315.26
5.4.290.0100.03615.04
5.4.280.0050.04215.10
5.4.270.0070.03715.25
5.4.260.0060.04315.10
5.4.250.0030.03415.23
5.4.240.0060.02815.13
5.4.230.0080.03715.15
5.4.220.0050.04415.11
5.4.210.0060.03515.15
5.4.200.0020.04115.13
5.4.190.0060.03315.06
5.4.180.0030.04215.04
5.4.170.0040.04015.14
5.4.160.0020.04215.12
5.4.150.0020.04315.17
5.4.140.0030.02513.86
5.4.130.0030.04213.76
5.4.120.0020.04213.82
5.4.110.0030.04313.82
5.4.100.0050.02213.87
5.4.90.0080.03513.79
5.4.80.0020.02813.83
5.4.70.0060.04113.78
5.4.60.0060.03513.81
5.4.50.0060.03813.80
5.4.40.0070.02713.85
5.4.30.0050.01813.73
5.4.20.0020.03913.77
5.4.10.0030.03813.81
5.4.00.0020.04013.55
5.3.290.0050.03212.93
5.3.280.0030.04412.91
5.3.270.0100.03312.90
5.3.260.0020.03312.94
5.3.250.0050.04012.95
5.3.240.0030.03812.92
5.3.230.0030.02712.89
5.3.220.0090.03712.94
5.3.210.0020.04312.94
5.3.200.0030.03012.93
5.3.190.0060.03112.94
5.3.180.0020.03012.93
5.3.170.0050.03512.92
5.3.160.0100.03512.88
5.3.150.0020.04212.87
5.3.140.0050.02512.93
5.3.130.0050.03512.86
5.3.120.0030.03712.92
5.3.110.0020.02812.88
5.3.100.0020.02812.67
5.3.90.0070.03812.60
5.3.80.0000.02712.60
5.3.70.0050.03312.61
5.3.60.0000.03012.55
5.3.50.0040.03012.60
5.3.40.0040.03512.59
5.3.30.0000.02112.55
5.3.20.0040.01512.50
5.3.10.0030.03812.43
5.3.00.0010.02312.40
5.2.170.0020.02511.28
5.2.160.0030.02311.22
5.2.150.0020.01811.19
5.2.140.0030.02311.17
5.2.130.0050.02211.14
5.2.120.0020.01811.11
5.2.110.0030.01811.25
5.2.100.0030.01511.11
5.2.90.0020.01611.13
5.2.80.0050.01311.15
5.2.70.0030.01311.15
5.2.60.0060.01311.17
5.2.50.0000.02011.11
5.2.40.0050.01311.17
5.2.30.0000.01811.21
5.2.20.0040.01911.08
5.2.10.0040.01511.15
5.2.00.0050.01511.07
5.1.60.0010.01511.07
5.1.50.0010.01611.07
5.1.40.0030.01311.07
5.1.30.0010.01511.07
5.1.20.0000.01611.07
5.1.10.0030.03011.07
5.1.00.0030.01911.07
5.0.50.0000.01211.07
5.0.40.0010.01111.07
5.0.30.0000.03411.07
5.0.20.0010.01111.07
5.0.10.0010.01611.07
5.0.00.0020.01711.07
4.4.90.0000.01011.07
4.4.80.0020.01511.07
4.4.70.0000.01111.07
4.4.60.0000.01011.07
4.4.50.0020.00811.07
4.4.40.0010.01311.07
4.4.30.0030.00711.07
4.4.20.0030.01611.07
4.4.10.0040.00811.07
4.4.00.0020.01411.07
4.3.110.0040.01511.07
4.3.100.0000.01211.07
4.3.90.0000.01011.07
4.3.80.0000.01611.07
4.3.70.0040.00711.07
4.3.60.0000.00911.07
4.3.50.0040.00711.07
4.3.40.0020.01211.07
4.3.30.0020.01711.07
4.3.20.0000.01011.07
4.3.10.0000.01311.07
4.3.00.0030.01611.07

preferences:
47.59 ms | 401 KiB | 5 Q