java软件工程师学php -9. 字符串处理

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Release: 2016-06-13 13:10:38
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java程序员学php -9. 字符串处理

PHP                     JAVA标准库或commons-lang的StringUtils
==================================
trim($str)  ---------  str.trim()
strtoupper($str)-----  str.toUpperCase()
ucfirst($str) -------  StringUtils.capitalize(str)

explode(';',$str) ---- StringUtils.split(str, ";")
join(';', $str)   ---  StringUtils.join(str, ";")


substr($str, 3)   ---  str.substring(3)
substr($str, -4)  ---   无

$str1 == $str2    --- str1.equals(str2)

strlen($str)      ---  str.length()


strstr($str,'o')  ---  str.contains("o")
stristr($str,'o') ---  str.contains("o") || str.contains("O")
strpos($str, 'o') ---  str.indexOf('o')
strrpos($str,'o') ---  str.lastIndexOf('o')


str_replace($str, ---  StringUtils.replace("str", "abc", "ABC")
  'abc', 'ABC')   
str_replace(      ---  无
  $str_array,
  $target_array,
  $replacement_array)

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