码农教程
: php substr_replace()函数实例
编辑代码
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"; //从字符串的第 6 个位置开始替换(把 "world" 替换成 "Shanghai"): echo substr_replace("Hello world","Shanghai",6); echo "
"; //从字符串结尾的第 5 个位置开始替换(把 "world" 替换成 "Shanghai"): echo substr_replace("Hello world","Shanghai",-5); echo "
"; //在 "world" 开头插入 "Hello": echo substr_replace("world","Hello ",0,0); echo "
"; //一次性替换多个字符串。把每个字符串中的 "AAA" 替换成 "BBB": $replace = array("1: AAA","2: AAA","3: AAA"); echo implode("
",substr_replace($replace,'BBB',3,3)); ?>
结果: