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Editorial Team
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Asked: 2026-05-26T20:31:28+00:00

Possible Duplicate: Converting ereg expressions to preg I’m trying to fix some old code

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Possible Duplicate:
Converting ereg expressions to preg

I’m trying to fix some old code so that it works with PHP 5.3.
Hopefully the first conversion to str_replace is okay but I’m completely unsure about the second conversion to preg_replace.

Any help would be very much appreciated. Thanks

$this->Query = str_replace(" where "," WHERE ", $this->Query);
$this->Query = str_replace(" select "," SELECT ", $this->Query);
$this->Query = str_replace(" from "," FROM ", $this->Query);
$this->Query = str_replace(" as "," AS ", $this->Query);

// $this->Query = eregi_replace(" WHERE ", " where ", $this->Query);
// $this->Query = eregi_replace("SELECT ", "select ", $this->Query);
// $this->Query = eregi_replace(" FROM ", " from ", $this->Query);
// $this->Query = eregi_replace(" AS ", " as ", $this->Query);

$TempQuery = eregi_replace("^select .* from ", "select count(1) from ", $this->Query);
$TempQuery = eregi_replace(" order by .*$", "", $TempQuery);
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1 Answer

  1. Editorial Team

    As said, SQL syntax doesn’t have to be in upper-case… However to answer your question anyway:

    $TempQuery = preg_replace("/^select .*? from /i", "select count(1) from ", $this->Query);
$TempQuery = preg_replace("/ order by .*?$/i", "", $TempQuery);

    That should work. I made the regex case-insensitive since you seem to have trouble with upper- and lower-case. Also, I made the .* ungreedy by adding a question mark to avoid extra complications.

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