@三种实现方法
#魔法函数__call结合call_user_func来实现
#使用魔法函数__call结合call_user_func_array来实现
#return $this;
@使用魔法函数__call结合call_user_func来实现
<?php
class StringHelper
{
private $value;
function __construct($value)
{
$this->value = $value;
}
function __call($function, $args){
$this->value = call_user_func($function, $this->value, $args[0]);
return $this;
}
function strlen() {
return strlen($this->value);
}
}
$str = new StringHelper(" sd f 0");
echo $str->trim('0')->strlen();
@使用魔法函数__call结合call_user_func_array来实现
class StringHelper
{
private $value;
function __construct($value)
{
$this->value = $value;
}
function __call($function, $args){
array_unshift($args, $this->value);
$this->value = call_user_func_array($function, $args);
return $this;
}
function strlen() {
return strlen($this->value);
}
}
$str = new StringHelper(" sd f 0");
echo $str->trim('0')->strlen();
@return $this;
public function trim($t)
{
$this->value = trim($this->value, $t);
return $this;
}