$result = substr($number,strripos($number,"/")+1); echo $result; //輸出結(jié)果:test.txt 3、substr("原始字符",開始截取的位置 ,截取的字符長度) 1 2 3 4 5 6 echo substr("Welcome to our official website",5); //輸出結(jié)果: me to our official website echo substr("Welcome to our officia...
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