3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pixelDataArray = array( "11101010111", "10101010101", "11101110111", "10001010100", "10001010100", ); //First to convert the input into a pixel array or bitmap data, each line on the pixel array should be dword/32bit/4bytes aligned. $pixelWidth = strlen($pixelDataArray[0]); $pixelHeight = count($pixelDataArray); $dwordAlignment = 32 - ($pixelWidth % 32); if ($dwordAlignment == 32) { $dwordAlignment = 0; } $dwordAlignedLength = $pixelWidth + $dwordAlignment; //Now we can proper align the string then convert it to a array of 1 byte integers and after to a binary string. $pixelArray = ''; foreach (array_reverse($pixelDataArray) as $row) { $dwordAlignedPixelRow = str_pad($row, $dwordAlignedLength, '0', STR_PAD_RIGHT); $integerPixelRow = array_map('bindec', str_split($dwordAlignedPixelRow, 8)); $pixelArray .= implode('', array_map('chr', $integerPixelRow)); } $pixelArraySize = \strlen($pixelArray); //Then lets build the color table $colorTable = pack( 'CCCxCCCx', //blue, green, red 255, 255, 255, // 0 color 0, 0, 0 // 1 color ); $colorTableSize = \strlen($colorTable); //Now the bitmap information header, for better support BITMAPINFOHEADER (40 bytes header) will be used. $dibHeaderSize = 40; $colorPlanes = 1; $bitPerPixel = 1; $compressionMethod = 0; //BI_RGB/NONE $horizontal_pixel_per_meter = 2835; $vertical_pixel_per_meter = 2835; $colorInPalette = 2; $importantColors = 0; $dibHeader = \pack('VVVvvVVVVVV', $dibHeaderSize, $pixelWidth, $pixelHeight, $colorPlanes, $bitPerPixel, $compressionMethod, $pixelArraySize, $horizontal_pixel_per_meter, $vertical_pixel_per_meter, $colorInPalette, $importantColors); //The last part is the file header $bmpFileHeaderSize = 14; $pixelArrayOffset = $bmpFileHeaderSize + $dibHeaderSize + $colorTableSize; $fileSize = $pixelArrayOffset + $pixelArraySize; $bmpFileHeader = pack('CCVxxxxV', \ord('B'), \ord('M'), $fileSize, $pixelArrayOffset); //Then just concat all into a single string $bmpFile = $bmpFileHeader . $dibHeader . $colorTable . $pixelArray; $bmpBase64File = base64_encode($bmpFile); ?> <img src="data:image/bitmap;base64, <?= $bmpBase64File ?>" style="image-rendering: crisp-edges;width: 100px;height: ;"/>

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)
8.4.130.0100.00717.64
8.4.120.0100.01024.16
8.4.110.0040.00721.61
8.4.100.0130.00817.54
8.4.90.0150.00617.84
8.4.80.0110.01019.50
8.4.70.0030.00517.74
8.4.60.0110.01218.52
8.4.50.0080.00817.76
8.4.40.0190.00017.69
8.4.30.0090.01020.55
8.4.20.0130.00717.79
8.4.10.0110.00725.89
8.3.260.0110.00716.68
8.3.250.0140.00518.95
8.3.240.0090.01017.33
8.3.230.0090.01116.51
8.3.220.0070.01016.74
8.3.210.0100.00716.55
8.3.200.0130.00616.54
8.3.190.0100.00819.09
8.3.180.0160.00516.57
8.3.170.0080.00016.59
8.3.160.0100.01016.55
8.3.150.0110.00717.23
8.3.140.0030.00618.39
8.3.130.0050.00318.31
8.3.120.0040.00418.99
8.3.110.0080.01120.94
8.3.100.0110.00724.06
8.3.90.0050.00326.77
8.3.80.0060.00316.88
8.3.70.0100.01016.58
8.3.60.0130.01018.43
8.3.50.0120.00823.64
8.3.40.0140.00718.98
8.3.30.0060.01318.75
8.3.20.0050.00224.18
8.3.10.0040.00424.66
8.3.00.0050.00326.16
8.2.290.0120.00618.93
8.2.280.0030.00520.14
8.2.270.0150.00316.78
8.2.260.0060.00920.50
8.2.250.0080.00018.22
8.2.240.0040.00717.39
8.2.230.0060.00322.58
8.2.220.0000.00937.54
8.2.210.0090.00026.77
8.2.200.0060.00316.88
8.2.190.0150.00616.58
8.2.180.0070.00725.92
8.2.170.0100.01022.96
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00426.35
8.2.110.0050.00522.26
8.2.100.0090.00617.72
8.2.90.0060.00317.75
8.2.80.0040.00418.77
8.2.70.0030.00517.93
8.2.60.0040.00418.22
8.2.50.0050.00318.10
8.2.40.0050.00321.14
8.2.30.0030.00519.36
8.2.20.0040.00418.13
8.2.10.0040.00419.21
8.2.00.0000.00819.38
8.1.330.0090.00921.98
8.1.320.0090.00916.09
8.1.310.0080.00016.79
8.1.300.0120.00017.79
8.1.290.0030.00618.88
8.1.280.0070.01425.92
8.1.270.0060.00323.99
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0110.00023.91
8.1.230.0080.00321.04
8.1.220.0050.00317.76
8.1.210.0050.00518.77
8.1.200.0040.00417.36
8.1.190.0030.00617.36
8.1.180.0000.00818.10
8.1.170.0040.00418.50
8.1.160.0040.00418.90
8.1.150.0060.00318.83
8.1.140.0000.00818.99
8.1.130.0020.00520.06
8.1.120.0100.00017.38
8.1.110.0000.00917.46
8.1.100.0000.00817.37
8.1.90.0040.00417.43
8.1.80.0000.00817.36
8.1.70.0040.00417.51
8.1.60.0000.00817.55
8.1.50.0000.00817.52
8.1.40.0040.00417.44
8.1.30.0060.00317.62
8.1.20.0000.01017.68
8.1.10.0040.00417.63
8.1.00.0050.00317.41
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0080.00018.45
8.0.270.0050.00216.91
8.0.260.0000.00718.51
8.0.250.0040.00417.01
8.0.240.0000.00716.95
8.0.230.0070.00016.96
8.0.220.0000.00716.90
8.0.210.0030.00316.92
8.0.200.0000.00716.85
8.0.190.0070.00016.99
8.0.180.0030.00516.93
8.0.170.0050.00316.82
8.0.160.0000.00716.89
8.0.150.0000.00716.86
8.0.140.0040.00416.89
8.0.130.0050.00013.30
8.0.120.0030.00516.74
8.0.110.0030.00517.02
8.0.100.0000.00816.77
8.0.90.0040.00416.81
8.0.80.0100.00816.85
8.0.70.0050.00316.82
8.0.60.0040.00416.86
8.0.50.0070.00016.94
8.0.30.0100.00616.89
8.0.20.0110.00716.93
8.0.10.0210.00417.20
8.0.00.0130.00616.82
7.4.330.0000.00515.55
7.4.320.0000.00716.63
7.4.300.0070.00016.59
7.4.290.0040.00416.56
7.4.280.0080.00016.50
7.4.270.0050.00216.50
7.4.260.0070.00016.65
7.4.250.0070.00016.59
7.4.240.0030.00316.67
7.4.230.0000.00716.62
7.4.220.0040.00416.61
7.4.210.0110.00416.61
7.4.200.0030.00316.40
7.4.140.0100.01016.46
7.4.130.0200.00016.34
7.4.120.0100.01316.44
7.4.110.0130.01316.26
7.4.100.0090.01316.22
7.4.90.0130.00716.39
7.4.80.0150.00916.44
7.4.70.0180.00616.41
7.4.60.0090.01216.50
7.4.50.0150.01216.52
7.4.40.0170.00316.45
7.4.30.0110.01016.43
7.4.20.0130.01015.89
7.4.10.0100.01016.22
7.4.00.0070.01315.89
7.3.330.0030.00316.31
7.3.320.0060.00013.20
7.3.310.0050.00316.35
7.3.300.0000.00716.30
7.3.290.0080.00616.31
7.3.260.0120.00916.43
7.3.250.0040.01616.30
7.3.240.0160.00916.22
7.3.230.0150.00916.27
7.3.220.0150.00316.18
7.3.210.0070.01716.37
7.3.200.0130.00616.36
7.3.190.0130.00716.58
7.3.180.0160.00316.24
7.3.170.0030.01616.35
7.3.160.0070.01516.38
7.3.150.0120.01016.28
7.3.140.0100.00716.14
7.3.130.0040.01316.25
7.3.120.0130.00716.21
7.3.110.0090.00915.94
7.3.100.0130.00616.38
7.3.90.0150.00616.28
7.3.80.0090.00916.51
7.3.70.0080.01216.21
7.3.60.0100.01016.20
7.3.50.0120.00916.27
7.3.40.0090.01316.27
7.3.30.0100.01016.20
7.3.20.0090.00916.27
7.3.10.0060.01416.45
7.3.00.0120.00916.16

preferences:
28.44 ms | 403 KiB | 5 Q