diff options
Diffstat (limited to 'fn/fn.php')
| -rw-r--r-- | fn/fn.php | 46 |
1 files changed, 4 insertions, 42 deletions
@@ -133,49 +133,11 @@ function contains($needle, $haystack) return strpos($haystack, $needle) !== false; } -// Retrieve JPEG width and height without downloading/reading entire image. -function getjpegsize($img_loc) { - $handle = fopen($img_loc, "rb") or die("Invalid file stream."); - $new_block = NULL; - if(!feof($handle)) { - $new_block = fread($handle, 32); - $i = 0; - if($new_block[$i]=="\xFF" && $new_block[$i+1]=="\xD8" && $new_block[$i+2]=="\xFF" && $new_block[$i+3]=="\xE0") { - $i += 4; - if($new_block[$i+2]=="\x4A" && $new_block[$i+3]=="\x46" && $new_block[$i+4]=="\x49" && $new_block[$i+5]=="\x46" && $new_block[$i+6]=="\x00") { - // Read block size and skip ahead to begin cycling through blocks in search of SOF marker - $block_size = unpack("H*", $new_block[$i] . $new_block[$i+1]); - $block_size = hexdec($block_size[1]); - while(!feof($handle)) { - $i += $block_size; - $new_block .= fread($handle, $block_size); - if($new_block[$i]=="\xFF") { - // New block detected, check for SOF marker - $sof_marker = array("\xC0", "\xC1", "\xC2", "\xC3", "\xC5", "\xC6", "\xC7", "\xC8", "\xC9", "\xCA", "\xCB", "\xCD", "\xCE", "\xCF"); - if(in_array($new_block[$i+1], $sof_marker)) { - // SOF marker detected. Width and height information is contained in bytes 4-7 after this byte. - $size_data = $new_block[$i+2] . $new_block[$i+3] . $new_block[$i+4] . $new_block[$i+5] . $new_block[$i+6] . $new_block[$i+7] . $new_block[$i+8]; - $unpacked = unpack("H*", $size_data); - $unpacked = $unpacked[1]; - $height = hexdec($unpacked[6] . $unpacked[7] . $unpacked[8] . $unpacked[9]); - $width = hexdec($unpacked[10] . $unpacked[11] . $unpacked[12] . $unpacked[13]); - return array($width, $height); - } else { - // Skip block marker and read block size - $i += 2; - $block_size = unpack("H*", $new_block[$i] . $new_block[$i+1]); - $block_size = hexdec($block_size[1]); - } - } else { - return FALSE; - } - } - } - } - } - return FALSE; -} +function str_clean(string $string) +{ + return str_replace(' ', '_', strtolower(strip_tags($string))); +} ?>
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