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BigInteger: revamp base-10 regex

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new Math_BigInteger('-09') gave 0 back as a number in GMP mode
This commit is contained in:
terrafrost 2013-03-05 08:29:06 -06:00
parent 994c2c6c79
commit 4e06ab52dd
1 changed files with 4 additions and 1 deletions
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phpseclib/Math/BigInteger.php
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@ -413,7 +413,10 @@ class Math_BigInteger {
break; break;
case 10: case 10:
case -10: case -10:
$x = preg_replace('#^(-?[0-9]*).*#', '$1', $x); // (?<!^)(?:-).*: find any -'s that aren't at the beginning and then any characters that follow that
// (?<=^|-)0*: find any 0's that are preceeded by the start of the string or by a - (ie. octals)
// [^-0-9].*: find any non-numeric characters and then any characters that follow that
$x = preg_replace('#(?<!^)(?:-).*|(?<=^|-)0*|[^-0-9].*#', '', $x);
switch ( MATH_BIGINTEGER_MODE ) { switch ( MATH_BIGINTEGER_MODE ) {
case MATH_BIGINTEGER_MODE_GMP: case MATH_BIGINTEGER_MODE_GMP: