#17616 [Ver->Bgs]: backslash characters handled oddly in preg_replace

From: Date: Wed, 25 Sep 2002 14:38:35 +0000
Subject: #17616 [Ver->Bgs]: backslash characters handled oddly in preg_replace
References: 1  Groups: php.bugs 
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ID: 17616 Updated by: iliaa@php.net Reported By: john43@temple.edu -Status: Verified +Status: Bogus Bug Type: PCRE related Operating System: linux 2.4.14, pcre PHP Version: 4.3.0-dev New Comment: Sorry, but the bug system is not the appropriate forum for asking support questions. Your problem does not imply a bug in PHP itself. For a list of more appropriate places to ask for help using PHP, please visit http://www.php.net/support.php Thank you for your interest in PHP. not a bug -> bogus Previous Comments: ------------------------------------------------------------------------ [2002-09-25 09:35:08] andrei@php.net Thank you for taking the time to write to us, but this is not a bug. Please double-check the documentation available at http://www.php.net/manual/ and the instructions on how to report a bug at http://bugs.php.net/how-to-report.php In the first case the extension receives replacement string \\\ which is basically \\, since last backslash doesn't quote anything. And in the second case it's \\\\ which is interpolated into \\. ------------------------------------------------------------------------ [2002-09-25 09:33:23] andrei@php.net Thank you for taking the time to write to us, but this is not a bug. Please double-check the documentation available at http://www.php.net/manual/ and the instructions on how to report a bug at http://bugs.php.net/how-to-report.php ------------------------------------------------------------------------ [2002-09-11 19:44:28] iliaa@php.net updated version. ------------------------------------------------------------------------ [2002-06-05 18:17:27] john43@temple.edu Below are two calls to preg_replace() with different replacement strings. For some reason, they both return the same string. $s = "A backslash: \\ "; $s1 = preg_replace("/\\\\/", "\\\\\\", $s); $s2 = preg_replace("/\\\\/", "\\\\\\\\", $s); echo "s : $s \n"; echo "s1: $s1 \n"; echo "s2: $s2 \n"; ------------------ Output: s : A backslash: \ s1: A backslash: \\ s2: A backslash: \\ ------------------ My configuration: './configure' '--with-gnu-ld' '--with-apxs=/usr/local/apache/bin/apxs' '--with-mysql=/usr/local/mysql' ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=17616&edit=1

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