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正文开始 <p>类似js里的eval</p><p><br /></p><p><pre>//正则替换字符串
function pregReplace($strSource="", $reg="", $vals=[]) {
$n= preg_match_all($reg, $strSource, $maches);
if($n > 0) {
//$maches Array([0] => Array([0] => {a}[1] => {b}) [1] => Array([0] => a [1] => b))
foreach($maches[1] as $math){
if(isset($vals[$math])){
$strSource = str_replace('{'.$math.'}', $vals[$math], $strSource);
} else {
$strSource = str_replace('{'.$math.'}', '', $strSource);
}
}
}
return $strSource;
}
</pre></p><p><pre>$str = "thiis : {a}, {b}";
$sonV = [
'a' => 666666,
'b' => 999,
];
$reg = "/{([^}]*)}/";
print_r(pregReplace($str, $reg, $sonV));</pre> <br /></p>
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