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0 or
or
or
or
or
or
1 my
my
my
my
my
5y
2 you
you
you
you
you
you
3 which
which
qhich
which
which
which
4 love
kove
love
lovr
love
love
楼主这是我打印出来的循环结果,其实在foreach中。str_replace已经生效,但是被后面的替换了,所以你才觉得没有替换
<?php
$data = array('or','my','you','which','love');
$pattern = array('l','w','e','t','m');
$arr = array('k','q','r','y',5);
$newdata = str_replace($pattern, $arr, $data);
var_dump($newdata);
?>