3v4l.org

run code in 300+ PHP versions simultaneously
<?php $px = '1000px'; var_dump((int)$px); function get_cm_by_px($px, $dpi = 300, $precision = 2) { $comma = ','; // if US use '.' return number_format(2.54 * (int)$px / $dpi , $precision, $comma,'') ; } get_cm_by_px($px);

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)
8.3.60.0040.01116.50
8.3.50.0160.00521.98
8.3.40.0110.00418.67
8.3.30.0140.00419.09
8.3.20.0040.00420.33
8.3.10.0040.00421.89
8.3.00.0040.00418.04
8.2.180.0090.01216.75
8.2.170.0030.01722.96
8.2.160.0070.00720.27
8.2.150.0050.00224.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00421.16
8.2.110.0030.00621.16
8.2.100.0080.00817.91
8.2.90.0040.00419.03
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0000.00718.34
8.2.30.0050.00218.24
8.2.20.0000.00817.75
8.2.10.0000.00818.13
8.2.00.0040.00417.80
8.1.280.0110.00425.92
8.1.270.0040.00423.95
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00322.14
8.1.230.0030.00718.95
8.1.220.0060.00317.75
8.1.210.0050.00318.77
8.1.200.0000.01117.35
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0050.00318.66
8.1.160.0020.00522.00
8.1.150.0070.00018.94
8.1.140.0040.00417.40
8.1.130.0000.00717.87
8.1.120.0030.00317.48
8.1.110.0040.00417.41
8.1.100.0040.00417.46
8.1.90.0050.00517.47
8.1.80.0000.00717.48
8.1.70.0000.00717.44
8.1.60.0070.00017.55
8.1.50.0020.00517.54
8.1.40.0030.00517.51
8.1.30.0040.00417.69
8.1.20.0000.00817.73
8.1.10.0000.00717.61
8.1.00.0040.00417.39
8.0.300.0050.00318.77
8.0.290.0080.00016.75
8.0.280.0030.00518.49
8.0.270.0070.00017.20
8.0.260.0080.00017.23
8.0.250.0020.00517.04
8.0.240.0070.00017.06
8.0.230.0000.00716.92
8.0.220.0040.00416.86
8.0.210.0020.00516.95
8.0.200.0060.00017.02
8.0.190.0000.00716.90
8.0.180.0070.00016.88
8.0.170.0000.00816.89
8.0.160.0000.00716.92
8.0.150.0040.00416.76
8.0.140.0020.00516.76
8.0.130.0050.00313.28
8.0.120.0040.00416.83
8.0.110.0000.00716.85
8.0.100.0040.00416.93
8.0.90.0030.00317.00
8.0.80.0060.01016.95
8.0.70.0050.00216.79
8.0.60.0030.00316.78
8.0.50.0050.00216.70
8.0.30.0120.00817.04
8.0.20.0070.01017.40
8.0.10.0030.00516.88
8.0.00.0110.00716.65
7.4.330.0000.00515.10
7.4.320.0030.00316.66
7.4.300.0000.00616.57
7.4.290.0070.00016.57
7.4.280.0070.00016.55
7.4.270.0000.00716.63
7.4.260.0020.00516.50
7.4.250.0000.00716.68
7.4.240.0000.00716.58
7.4.230.0030.00316.56
7.4.220.0060.01216.63
7.4.210.0110.00316.66
7.4.200.0000.00916.75
7.4.160.0090.00616.67
7.4.150.0120.00617.40
7.4.140.0070.01017.86
7.4.130.0050.01216.55
7.4.120.0130.00716.58
7.4.110.0080.00916.43
7.4.100.0070.01416.63
7.4.90.0080.00916.54
7.4.80.0140.00419.39
7.4.70.0030.01416.73
7.4.60.0100.01316.50
7.4.50.0050.00316.49
7.4.40.0040.01216.71
7.4.30.0090.00616.61
7.4.00.0080.00815.12
7.3.330.0060.00013.30
7.3.320.0000.00513.41
7.3.310.0030.00316.28
7.3.300.0040.00416.42
7.3.290.0100.00316.39
7.3.280.0100.00916.43
7.3.270.0130.00417.40
7.3.260.0110.01416.30
7.3.250.0080.00816.50
7.3.240.0130.00316.64
7.3.230.0120.00616.63
7.3.210.0090.00916.51
7.3.200.0060.01219.39
7.3.190.0070.01016.44
7.3.180.0100.00716.73
7.3.170.0190.00416.64
7.3.160.0050.01416.41
7.3.120.0090.00514.79
7.3.110.0070.01014.86
7.3.100.0090.00514.98
7.3.90.0050.00514.63
7.3.80.0040.00714.82
7.3.70.0050.00514.70
7.3.60.0050.01014.82
7.3.50.0030.01014.88
7.3.40.0050.00814.75
7.3.30.0090.00614.69
7.3.20.0050.00816.48
7.3.10.0080.00616.67
7.3.00.0090.00616.73
7.2.330.0110.00616.27
7.2.320.0060.01216.77
7.2.310.0140.00316.43
7.2.300.0070.01116.73
7.2.290.0100.00716.66
7.2.250.0090.00914.90
7.2.240.0070.01114.89
7.2.230.0050.01014.98
7.2.220.0060.00714.82
7.2.210.0060.00615.13
7.2.200.0060.00614.93
7.2.190.0070.00915.04
7.2.180.0080.00514.86
7.2.170.0050.00815.03
7.2.130.0030.00616.94
7.2.120.0120.00016.86
7.2.110.0050.00516.75
7.2.100.0100.00317.00
7.2.90.0030.01316.64
7.2.80.0000.00816.86
7.2.70.0070.01017.03
7.2.60.0020.01116.80
7.2.50.0060.00616.62
7.2.40.0030.01016.52
7.2.30.0060.00916.96
7.2.20.0100.00717.04
7.2.10.0000.00816.86
7.2.00.0110.00318.17
7.1.330.0050.00915.67
7.1.320.0070.00515.88
7.1.310.0050.00815.79
7.1.300.0030.01015.77
7.1.290.0060.00815.73
7.1.280.0010.01115.80
7.1.270.0050.00615.65
7.1.260.0100.00515.70
7.1.250.0000.01315.92
7.1.200.0120.00015.57
7.1.100.0090.00317.96
7.1.70.0040.00817.31
7.1.60.0100.01419.70
7.1.50.0090.00316.85
7.1.00.0030.09022.30
7.0.200.0090.00616.77
7.0.140.0070.06722.21
7.0.60.0030.07319.90
7.0.50.0030.04317.90
7.0.40.0000.05720.24
7.0.30.0270.06720.11
7.0.20.0100.04720.24
7.0.10.0030.09320.19
7.0.00.0070.05320.15
5.6.280.0030.07021.11
5.6.210.0070.08320.47
5.6.200.0130.08018.19
5.6.190.0070.09020.64
5.6.180.0270.07720.67
5.6.170.0170.06720.71
5.6.160.0000.04720.61
5.6.150.0100.08018.23
5.6.140.0100.04318.29
5.6.130.0100.04718.18
5.6.120.0100.07320.99
5.6.110.0030.09020.98
5.6.100.0170.03721.03
5.6.90.0070.08021.09
5.6.80.0070.05720.38
5.5.350.0270.06720.29
5.5.340.0070.05017.95
5.5.330.0200.07020.41
5.5.320.0200.04320.39
5.5.310.0330.07020.24
5.5.300.0070.04318.04
5.5.290.0030.07317.94
5.5.280.0200.07320.97
5.5.270.0100.03720.79
5.5.260.0100.08320.84
5.5.250.0070.08020.61
5.5.240.0000.04320.13
5.4.450.0600.05319.47
5.4.440.0970.05019.47
5.4.430.1030.05319.47
5.4.420.1100.07319.63
5.4.410.0270.04018.68
5.4.400.0330.05718.80
5.4.390.0370.06718.74
5.4.380.0070.06018.72
5.4.370.0000.04318.70
5.4.360.0100.03318.50
5.4.350.0070.04212.02
5.4.340.0040.03612.02
5.4.320.0060.03712.51
5.4.310.0090.03812.51
5.4.300.0090.03512.51
5.4.290.0060.03812.50
5.4.280.0060.03512.40
5.4.270.0040.03812.40
5.4.260.0070.04112.40
5.4.250.0070.04612.40
5.4.240.0000.04212.40
5.4.230.0050.03912.39
5.4.220.0050.03612.39
5.4.210.0020.04112.40
5.4.200.0070.03612.39
5.4.190.0040.04712.39
5.4.180.0060.03612.39
5.4.170.0070.03512.40
5.4.160.0050.03912.39
5.4.150.0070.03612.39
5.4.140.0030.04012.07
5.4.130.0060.04512.06
5.4.120.0070.04012.02
5.4.110.0040.04312.01
5.4.100.0060.03912.02
5.4.90.0030.04112.02
5.4.80.0050.04112.02
5.4.70.0070.03412.02
5.4.60.0050.03412.02
5.4.50.0060.03712.02
5.4.40.0050.03512.00
5.4.30.0060.03511.99
5.4.20.0030.03712.00
5.4.10.0030.03611.99
5.4.00.0080.03311.49
5.3.290.0040.04312.80
5.3.280.0030.04312.71
5.3.270.0090.04112.72
5.3.260.0050.04012.72
5.3.250.0060.03612.71
5.3.240.0050.03812.72
5.3.230.0070.04012.71
5.3.220.0050.04012.68
5.3.210.0100.03612.68
5.3.200.0080.03512.68
5.3.190.0090.03512.68
5.3.180.0060.03612.68
5.3.170.0090.03612.67
5.3.160.0070.03612.68
5.3.150.0070.04112.67
5.3.140.0060.03612.66
5.3.130.0060.03912.66
5.3.120.0050.05512.65
5.3.110.0070.04212.66
5.3.100.0060.03612.13
5.3.90.0110.03412.11
5.3.80.0080.03412.10
5.3.70.0040.03812.10
5.3.60.0090.03912.08
5.3.50.0060.03612.02
5.3.40.0080.03412.02
5.3.30.0070.03611.98
5.3.20.0020.03811.77
5.3.10.0030.03711.73
5.3.00.0060.03611.72
5.2.170.0090.0259.23
5.2.160.0030.0309.23
5.2.150.0070.0359.23
5.2.140.0030.0379.23
5.2.130.0080.0269.19
5.2.120.0060.0279.19
5.2.110.0030.0309.20
5.2.100.0050.0289.20
5.2.90.0030.0309.20
5.2.80.0030.0329.19
5.2.70.0060.0379.19
5.2.60.0050.0399.15
5.2.50.0060.0279.12
5.2.40.0080.0309.09
5.2.30.0080.0349.07
5.2.20.0070.0299.05
5.2.10.0050.0368.96
5.2.00.0060.0308.82
5.1.60.0060.0248.11
5.1.50.0040.0288.11
5.1.40.0040.0368.08
5.1.30.0050.0338.43
5.1.20.0050.0308.45
5.1.10.0040.0258.18
5.1.00.0090.0258.18
5.0.50.0080.0216.66
5.0.40.0030.0196.52
5.0.30.0030.0316.33
5.0.20.0040.0196.32
5.0.10.0030.0206.30
5.0.00.0030.0306.29
4.4.90.0030.0154.78
4.4.80.0030.0154.76
4.4.70.0040.0144.75
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0040.0244.70
4.4.30.0040.0144.76
4.4.20.0040.0144.84
4.4.10.0010.0174.84
4.4.00.0040.0244.76
4.3.110.0010.0184.67
4.3.100.0040.0154.67
4.3.90.0020.0154.64
4.3.80.0020.0254.59
4.3.70.0030.0144.63
4.3.60.0010.0154.63
4.3.50.0020.0164.63
4.3.40.0040.0234.54
4.3.30.0040.0223.33
4.3.20.0010.0163.31
4.3.10.0030.0143.28
4.3.00.0100.0277.12

preferences:
37.8 ms | 401 KiB | 5 Q