Php限制为5个字符

代码示例

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0

php获取字符串的前5个字符

$result = substr("Hello How are you", 0, 5); //first 5 chars "Hello"
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php修剪字符串到长度

<?php
echo substr('abcdef', 1);     // bcdef
echo substr('abcdef', 1, 3);  // bcd
echo substr('abcdef', 0, 4);  // abcd
echo substr('abcdef', 0, 8);  // abcdef
echo substr('abcdef', -1, 1); // f

// Accessing single characters in a string
// can also be achieved using "square brackets"
$string = 'abcdef';

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