Online PHP editor | output for Ktj8h

@ 2023-04-14T04:59:51Z

<?php

_test();

    function _test(){
	    
	    // 不正な文字を削除する
	    $cntnts = _illegal_character_remove('あいう😀えお');
	    $rplyCntnt = _illegal_character_remove('かき𠀋くけこ');
	    $pstvctgry = _illegal_character_remove('さしす🍺せそ');
	    $ngtvctgry = _illegal_character_remove('たち🍣つてと');
	    
	    echo $cntnts;
	    echo $rplyCntnt;
	    echo $pstvctgry;
	    echo $ngtvctgry;
	    
    }
    
	function _illegal_character_remove($arg) {
    
        $repArr = array(
            "/\xd83c[\xdf00-\xdfff]/",
            "/\xd83d[\xdc00-\xde4f]/",
            "/\xd83d[\xde80-\xdeff]/",
            "/\xd7c9[\xde00-\xdeff]/",
            "/[\x2600-\x27BF]/",
            "/[\x203C|\x2047-\x2049|\x2753-\x2757|\x2761-\x2767][\xFE0E-\xFE0F]/",
            "/[0-9|*|#][\xFE0E-\xFE0F]\x20E3/",
            "/[0-9|*|#]\x20E3/",
            "/[\x23E9-\x23FA]/",
            "/[\x23CF|\x25B6|\x25C0|\x2B05-\x2B07|\x2194-\x21AA|\x2934-\x2935|\x2122|©|®|\x3030|\x25FC-\x25FE][\xFE0E-\xFE0F]/",
            "/\xA4B3/"
        );
        $str = preg_replace($repArr, '', $arg);
        
        // 新たな文字列を用意
        $retStr = '';
        // 文字列を配列にしたものを用意
        $strArr = str_split($str);
        // 1文字1文字ずつ処理
        foreach ($strArr as $strS) {
            if (strlen($strS) < 4 && htmlspecialchars_decode("&#65038", ENT_QUOTES) != $strS && htmlspecialchars_decode("&#65039", ENT_QUOTES) != $strS) {
                $retStr .= $strS;
            }
        }
        
        $str = $retStr;
        
        return $str;
    
    }
?>

Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: Warning: preg_replace(): Compilation failed: range out of order in character class at offset 5 in /in/Ktj8h on line 35 Deprecated: str_split(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ktj8h on line 40 Warning: preg_replace(): Compilation failed: range out of order in character class at offset 5 in /in/Ktj8h on line 35 Deprecated: str_split(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ktj8h on line 40 Warning: preg_replace(): Compilation failed: range out of order in character class at offset 5 in /in/Ktj8h on line 35 Deprecated: str_split(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ktj8h on line 40 Warning: preg_replace(): Compilation failed: range out of order in character class at offset 5 in /in/Ktj8h on line 35 Deprecated: str_split(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Ktj8h on line 40
Output for 8.0.1 - 8.0.30: Warning: preg_replace(): Compilation failed: range out of order in character class at offset 5 in /in/Ktj8h on line 35 Warning: preg_replace(): Compilation failed: range out of order in character class at offset 5 in /in/Ktj8h on line 35 Warning: preg_replace(): Compilation failed: range out of order in character class at offset 5 in /in/Ktj8h on line 35 Warning: preg_replace(): Compilation failed: range out of order in character class at offset 5 in /in/Ktj8h on line 35

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