Php 문자열의 첫 번째 x 문자

코드 예제

8
0

php 는 문자열의 첫 번째 문자를 가져옵니다

$firstStringCharacter = substr("hello", 0, 1);
7
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php 는 문자열의 처음 5 자를 얻습니다

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

<?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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