获取substr php

代码示例

substr()php


<?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';
echo $string[0];                 // a
echo $string[3];                 // d
echo $string[strlen($string)-1]; // f

?>

//substr() function returns certain bits of a string

php获取字符串的一部分

substr ( $string , $start , $length  );

/**Returns the extracted part of string;
  *or FALSE on failure, or an empty string
  */

取后四位数字

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

php最后的字符串直到 /

$string = 'Hello World Again';
$string = explode(' ', $string);
array_pop($string);
$string = implode(' ', $string);

类似页面

带有示例的类似页面

php substring from7char from last character

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