PHP conversion image for the ICO format source sharing

Class

<?phpnamespace app\libs;class Iconv {function Phpmake_ico () {return true;                    } function Gdtoicostr (& $gd _ico_array) {foreach ($gd _ico_array as $key = + $gd _image) {                    $IcoWidths [$key] = Imagesx ($gd _image);                    $IcoHeights [$key] = Imagesy ($gd _image); $BPP [$key] = Imageistruecolor ($gd _image)?                    32:24;                    $totalcolors [$key] = Imagecolorstotal ($gd _image);            $icXOR [$key] = ';                                    for ($y = $IcoHeights [$key]-1, $y >= 0; $y-) {for ($x = 0; $x < $IcoWidths [$key]; $x + +) {                                    $argb = $this-&GT;GPC ($gd _image, $x, $y);                                    $a = round (255 * (127-$argb [' alpha '])/127);                                    $r = $argb [' Red '];                                    $g = $argb [' green '];                    $b = $argb [' Blue '];  if ($bpp [$key] = = 32) {                                          $icXOR [$key]. = Chr ($b). chr ($g). chr ($r). chr ($a);                    } elseif ($bpp [$key] = = $icXOR [$key]. = Chr ($b). chr ($g). chr ($R);                    if ($a <) {@ $icANDmask [$key] [$y]. = ' 1 ';                    } else {@ $icANDmask [$key] [$y]. = ' 0 '; }} while (Strlen ($icANDmask [$key] [$y]) {$icANDmas                k[$key] [$y]. = ' 0 ';            }} $icAND [$key] = '; foreach ($icANDmask [$key] as $y = = $scanlinemaskbits) {for ($i = 0; $i < strlen ($scanlinemaskbits);  $i + = 8) {$icAND [$key]. = Chr (Bindec (Str_pad (substr ($scanlinemaskbits, $i, 8), 8, ' 0 ',                (Str_pad_left))); }}} foreach ($gd _ico_array as $key = = $gd _imAge) {$biSizeImage = $IcoWidths [$key] * $IcoHeights [$key] * ($BPP [$key]/8);                    $BFH [$key] = ';                    $BFH [$key]. = "\x28\x00\x00\x00";                    $BFH [$key]. = $this->le2s ($IcoWidths [$key], 4);                    $BFH [$key]. = $this->le2s ($IcoHeights [$key] * 2, 4);                    $BFH [$key]. = "\x01\x00"; $BFH [$key]. = Chr ($bpp [$key]). "                    \x00 ";                    $BFH [$key]. = "\x00\x00\x00\x00";                    $BFH [$key]. = $this->le2s ($biSizeImage, 4);                    $BFH [$key]. = "\x00\x00\x00\x00";                    $BFH [$key]. = "\x00\x00\x00\x00";                    $BFH [$key]. = "\x00\x00\x00\x00";        $BFH [$key]. = "\x00\x00\x00\x00";                } $icondata = "\x00\x00";                $icondata. = "\x01\x00";                $icondata. = $this->le2s (count ($gd _ico_array), 2);        $dwImageOffset = 6 + (count ($gd _ico_array) * 16); ForeAch ($gd _ico_array as $key = + $gd _image) {$icondata. = Chr ($IcoWidths [$key]);                    $icondata. = Chr ($IcoHeights [$key]);                    $icondata. = Chr ($totalcolors [$key]);                    $icondata. = "\x00";                    $icondata. = "\x01\x00"; $icondata. = Chr ($bpp [$key]). "                    \x00 ";                    $dwBytesInRes = + strlen ($icXOR [$key]) + strlen ($icAND [$key]);                    $icondata. = $this->le2s ($dwBytesInRes, 4);                    $icondata. = $this->le2s ($dwImageOffset, 4);                    $dwImageOffset + = strlen ($BFH [$key]);                    $dwImageOffset + = strlen ($icXOR [$key]);        $dwImageOffset + = strlen ($icAND [$key]);                    } foreach ($gd _ico_array as $key = + $gd _image) {$icondata. = $BFH [$key];                    $icondata. = $icXOR [$key];        $icondata. = $icAND [$key];    } return $icondata; } functionLe2s ($number, $minbytes =1) {$intstring = ';                    while ($number > 0) {$intstring = $intstring. chr ($number & 255);        $number >>= 8;    } return Str_pad ($intstring, $minbytes, "\x00", str_pad_right);        } function GPC (& $img, $x, $y) {if (!is_resource ($img)) {return false;    } return @ImageColorsForIndex ($img, @ImageColorAt ($img, $x, $y)); }}?>

Controller

if ($error [' text '] = = "&& isset ($_files[' upimage '] [' tmp_name ']) && $_files[' upimage ' [' Tmp_name '] &                     amp;& is_uploaded_file ($_files[' upimage ' [' tmp_name ']) {if ($_files[' upimage ' [' type '] > 210000) {                $error [' text '] = "The size of the file you uploaded exceeds the maximum limit of 200k"; } else {$fileext = array ("Image/pjpeg", "Image/gif", "Image/x-png", "Image/png", "Image/jpeg", "image/                    JPG "); if (!in_array ($_files[' upimage ' [' type '], $fileext)) {$error [' text '] = "The file format you uploaded is not properly supported JPG,GIF,PN                    G "; }else {if ($im = @imagecreatefrompng ($_files[' upimage ' [' tmp_name ']) or $im = @imagecreatefromgif (                            $_files[' upimage ' [' tmp_name ']) or $im = @imagecreatefromjpeg ($_files[' upimage ' [' tmp_name '])) {                            $imginfo = @getimagesize ($_files[' upimage ' [' tmp_name ']);      if (!is_array ($imginfo)) {                          $error [' text '] = "graphic format Error!"                            ";                                        }else {switch ($_post[' size ')} {Case 1;                                        $resize _im = @imagecreatetruecolor (16, 16);                                        $size = 16;                                    Break                                        Case 2;                                        $resize _im = @imagecreatetruecolor (32, 32);                                        $size = 32;                                    Break                                        Case 3;                                        $resize _im = @imagecreatetruecolor (48, 48);                                        $size = 48;                                    Break                                        Case 4;                                        $resize _im = @imagecreatetruecolor (64, 64);         $size = 64;                               Break                                        Case 5;                                        $resize _im = @imagecreatetruecolor (128, 128);                                        $size = 128;                                    Break                                        Default                                        $resize _im = @imagecreatetruecolor (64, 64);                                        $size = 64;                                Break                                } imagecopyresampled ($resize _im, $im, 0, 0, 0, 0, $size, $size, $imginfo [0], $imginfo [1]);                                $icon = new Iconv ();                                $GD _image_array = Array ($resize _im);                                $icon _data = $icon->gdtoicostr ($gd _image_array); $filename = "temp/". Date ("Ymdhis"). Rand (1, 1000).                                ". ico"; if (File_put_contents ($filename, $icon _data)) {//$output = "Build succeeded! Click Save as saved to local <br><a href= "/" mce_href= "/" ". $filename."                                    /"target=/" _blank/"> Click to download </a>";//Echo $filename;                                        Data show $icon _arr=[' class ' = ', ' Time ' =>date ("y-m-d h:i:s"), ' filename ' =>$_                                        files[' upimage ' [' Name '], ' filepath ' = $filename,                                ' Size ' = $size];                        }}} else {$error [' text '] = "Generate error please retry"; }}}}else{$error [' text '] = "Please select picture!"            ; }

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