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- /**
- * Check emoji from string
- *
- * @return bool if existed emoji in string
- */
- function checkEmoji($str)
- {
- $regexEmoticons = '/[\x{1F600}-\x{1F64F}]/u';
- preg_match($regexEmoticons, $str, $matches_emo);
- if (!empty($matches_emo[0])) {
- return false;
- }
- // Match Miscellaneous Symbols and Pictographs
- $regexSymbols = '/[\x{1F300}-\x{1F5FF}]/u';
- preg_match($regexSymbols, $str, $matches_sym);
- if (!empty($matches_sym[0])) {
- return false;
- }
- // Match Transport And Map Symbols
- $regexTransport = '/[\x{1F680}-\x{1F6FF}]/u';
- preg_match($regexTransport, $str, $matches_trans);
- if (!empty($matches_trans[0])) {
- return false;
- }
- // Match Miscellaneous Symbols
- $regexMisc = '/[\x{2600}-\x{26FF}]/u';
- preg_match($regexMisc, $str, $matches_misc);
- if (!empty($matches_misc[0])) {
- return false;
- }
- // Match Dingbats
- $regexDingbats = '/[\x{2700}-\x{27BF}]/u';
- preg_match($regexDingbats, $str, $matches_bats);
- if (!empty($matches_bats[0])) {
- return false;
- }
- return true;
- }
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