如何获得字符串php的一部分

代码示例

php获取字符串的前5个字符

$result = substr("Hello How are you", 0, 5); //first 5 chars "Hello"

取后四位数字

$newstring = substr($dynamicstring, -7);

类似页面

带有示例的类似页面

php substring from7char from last character

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