锟矫猴拷锟斤拷锟斤拷锟斤拷一锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟介。锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角斤拷 subject 锟斤拷全锟斤拷锟斤拷 search 锟斤拷锟斤拷 replace 锟芥换锟斤拷锟斤拷锟皆达拷小写锟斤拷之锟斤拷慕锟斤拷锟斤拷锟斤拷锟矫伙拷锟揭恍╋拷锟斤拷锟斤拷锟芥换锟斤拷锟斤拷锟斤拷应锟斤拷使锟矫该猴拷锟斤拷锟芥换锟斤拷锟斤拷 i 锟斤拷锟斤拷锟斤拷锟斤拷 preg_replace() 锟斤拷锟斤拷锟斤拷
锟斤拷锟� search 锟斤拷 replace 为锟斤拷锟介，锟斤拷么 str_replace() 锟斤拷锟斤拷 subject 锟斤拷锟斤拷锟竭碉拷映锟斤拷锟芥换锟斤拷锟斤拷锟� replace 锟斤拷值锟侥革拷锟斤拷锟斤拷锟斤拷 search 锟侥革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷婊伙拷锟绞癸拷每锟斤拷址锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷 search 锟斤拷一锟斤拷锟斤拷锟斤拷锟� replace 锟斤拷一锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷么 search 锟斤拷每锟斤拷元锟截碉拷锟芥换锟斤拷始锟斤拷使锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟�
锟斤拷锟� search 锟斤拷 replace 锟斤拷锟斤拷锟介，锟斤拷锟角碉拷元锟截斤拷锟斤拷头锟斤拷尾一锟斤拷锟斤拷锟斤拷锟斤拷
search要锟斤拷锟斤拷锟斤拷值锟斤拷锟斤拷锟斤拷锟斤拷 needle锟斤拷锟斤拷锟斤拷使锟斤拷 array 锟斤拷锟结供锟斤拷锟� needle锟斤拷
replace
The replacement value that replaces found search
values. An array may be used to designate multiple replacements.
subject要锟斤拷锟斤拷锟斤拷锟斤拷锟芥换锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷锟介，锟斤拷锟斤拷锟斤拷 haystack锟斤拷
锟斤拷锟� subject 锟斤拷一锟斤拷锟斤拷锟介，锟芥换锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 subject锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟介。
count锟斤拷锟斤拷瓒拷耍锟斤拷锟斤拷锟斤拷锟斤拷锟街达拷锟斤拷婊伙拷拇锟斤拷锟斤拷锟�
锟斤拷锟斤拷锟芥换锟斤拷锟斤拷址锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷椤�
Example #1 str_ireplace() 锟斤拷锟斤拷
<?php
$bodytag = str_ireplace("%body%", "black", "<body text=%BODY%>");
echo $bodytag; // <body text=black>
?>
Note: 锟剿猴拷锟斤拷锟缴帮拷全锟斤拷锟节讹拷锟斤拷锟狡讹拷锟斤拷
Because str_ireplace() replaces left to right, it might replace a previously inserted value when doing multiple replacements. Example #2 in the str_replace() documentation demonstrates how this may affect you in practice.