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php method to clear characters: first create a PHP sample code file; then enter the content "$str="abcdefg"; $str=str_replace('a','',$str);"; finally Just output the cleared result through echo.
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php removes a character from a string:
Just replace it with a string. Just replace the characters you want to replace with nothing.
For example:
Your original string is "abcdefg", and you want to remove the a in it, you can use the following method
$str="abcdefg"; $str=str_replace('a','',$str); echo $str;
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