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preg_quote()

« preg_match_all | preg_replace »
<?php
$string 
preg_quote (
    
// string $str
    
  // [string $delimiter = NULL]
);
?>
Result
$string = '\\*very\\*'
Examples
#1 preg_quote  ('$40 for a g3/400',
 
"/")
#2 preg_quote  ("*very*")
See also
escapeshellcmd