paired_replacements() – Perform replacements of paired markup strings

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Description

Perform replacements of paired markup strings

Notes:

• This logic requires the paired replacements to appear on the same line.
• It should cater for nested pairs.
• It should ensure that the pairs don't overlap.

Usage

$string = paired_replacements( $before, $after, $beforetag, $aftertag, $line );

Parameters

$before

( string ) required – the start of the markdown string

$after

( string ) required – the end of the markdown string

$beforetag

( string ) required – the string to replace before

$aftertag

( string ) required – the string to replace after

$line

( string ) required – the string to be searched

Returns

string the updated string

Source

File name: oik-shortcodes/shortcodes/oik-api-importer.php
Lines:

function paired_replacements( $before, $after, $beforetag, $aftertag, $line ) {
  $spos = strpos( $line, $before );
  while ( $spos !== false ) {
    $epos = strpos( $line, $after );
    if ( $epos > ( $spos + strlen( $before ) ) ) {
      $line = replace_at( $epos, $after, $aftertag, $line );
      $line = replace_at( $spos, $before, $beforetag, $line );
      $spos = strpos( $line, $before );
    } else {
      $spos = false;
    }
  }
  return( $line );
}
 

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