如何获取PHP中重复字符串的次数

Question

在一个字符串"abc fox fox fox ghi xyz"中,我怎么能得到'狐狸'在字符串中重复的次数？

Answer 1

$string = 'abc fox fox fox ghi xyz';

$substring = 'fox';

$substringCount = substr_count($string, $substring);

echo '"' . $substring . '" appears in "' . $string . '" ' . $substringCount . ' times';