$a = '36,0.00,0.00,100|37,0.00,0.00,100|38,0.00,0.00,100|39,0.00,0.00,100'; $a = '36,0.00,0.00,100|37,0.00,0.00,100|38,0.0
阅读背景：
在线等，急。PHP替换指定位置的字符串
来源：互联网
$a = '36,0.00,0.00,100|37,0.00,0.00,100|38,0.00,0.00,100|39,0.00,0.00,100'; $a = '36,0.00,0.00,100|37,0.00,0.00,100|38,0.0
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