voku\helper\UTF8::strpos()

Complexity

Conditions	17
Paths	177

Size

Total Lines	75
Code Lines	38

Duplication

Lines	22
Ratio	29.33 %

Code Coverage

Tests	24
CRAP Score	17.1314

Importance

Changes

0

<?php
  public static function strpos($haystack, $needle, $offset = 0, $encoding = 'UTF-8', $cleanUtf8 = false)
  {
    $haystack = (string)$haystack;
    $needle = (string)$needle;

    if (!isset($haystack[0], $needle[0])) {
      return false;
    }

    // init
    $offset = (int)$offset;

    // iconv and mbstring do not support integer $needle

    if (((int)$needle) === $needle && ($needle >= 0)) {

The strict comparison === seems to always evaluate to false as the types of (int) $needle (integer) and $needle (string) can never be identical. Maybe you want to use a loose comparison == instead?

      $needle = (string)self::chr($needle);
    }

    if ($cleanUtf8 === true) {
      // "\mb_strpos" and "\iconv_strpos" returns wrong position,
      // if invalid characters are found in $haystack before $needle
      $needle = self::clean($needle);
      $haystack = self::clean($haystack);
    }

    if (!isset(self::$support['already_checked_via_portable_utf8'])) {
      self::checkForSupport();
    }

    if (

This code seems to be duplicated across your project.

        $encoding === 'UTF-8'
        ||
        $encoding === true || $encoding === false // INFO: the "bool"-check is only a fallback for old versions
    ) {
      $encoding = 'UTF-8';
    } else {
      $encoding = self::normalize_encoding($encoding);
    }

    if (

This code seems to be duplicated across your project.

        $encoding !== 'UTF-8' // INFO: use "mb_"-function (with polyfill) also if we need another encoding
        ||
        self::$support['mbstring'] === true
    ) {
      return \mb_strpos($haystack, $needle, $offset, $encoding);
    }

    if (self::$support['iconv'] === true) {
      // ignore invalid negative offset to keep compatibility
      // with php < 5.5.35, < 5.6.21, < 7.0.6

39% of this comment could be valid code. Did you maybe forget this after debugging?

      return \iconv_strpos($haystack, $needle, $offset > 0 ? $offset : 0, $encoding);
    }

    if (self::$support['intl'] === true) {

This code seems to be duplicated across your project.

      $returnTmp =  \grapheme_strpos($haystack, $needle, $offset);
      if ($returnTmp !== false) {
        return $returnTmp;
      }
    }

    // fallback via vanilla php

    $haystack = self::substr($haystack, $offset);

    if ($offset < 0) {
      $offset = 0;
    }

    $pos = strpos($haystack, $needle);
    if ($pos === false) {
      return false;
    }

    return $offset + self::strlen(substr($haystack, 0, $pos));
  }