php把大写命名转换成下划线分割命名_PHP教程

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$name = 'AppPromoZhongQiu2014ActiveStatusSelector';

echo cc_format($name);

function cc_format($name){

$temp_array = array();

for($i=0;$i

$ascii_code = ord($name[$i]);

if($ascii_code >= 65 && $ascii_code <= 90){

if($i == 0){

$temp_array[] = chr($ascii_code + 32);

}else{

$temp_array[] = '_'.chr($ascii_code + 32);

}

}else{

$temp_array[] = $name[$i];

}

}

return implode('',$temp_array);

}