01-19-2010
Delete new lines based on search criteria
Hi all!
A bit of background: I am trying to create a script that formats SQL statements. I have gotten so far as to add new lines based on certain match criteria like commas, keywords etc. In the process, I end up adding newlines where I don't want.
For example: substr(colName, 1, 10) becomes:
substr(colName,
1,
10) - I don't want this particular comma to be replaced with a newline.
With that in mind, my questions are:
1. Is there a way I can ignore the commas within braces - ( )
2. If not, how can I delete the newlines on lines starting with numbers, i.e. look for numbers at the beginning of a line and remove the newline before it.
In other words, if my input is:
substr(colName,
1,
10)
my output should be: substr(colName, 1, 10).
Any help is really appreciated! Thanks in advance.
Jay.
---------- Post updated 01-19-10 at 12:05 AM ---------- Previous update was 01-18-10 at 11:13 PM ----------
Another thing I forgot to mention: can I make the script intelligent enough to recognize negative numbers as well? Another example along the lines of the substr above is:
add_months(somedate, -6)
is becoming
add_months(somedate,
-6).
Don't want this to happen either.
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LEARN ABOUT PHP
iconv_substr
ICONV_SUBSTR(3) 1 ICONV_SUBSTR(3)
iconv_substr - Cut out part of a string
SYNOPSIS
string iconv_substr (string $str, int $offset, [int $length = iconv_strlen($str, $charset)], [string $charset = ini_get("iconv.inter-
nal_encoding")])
DESCRIPTION
Cuts a portion of $str specified by the $offset and $length parameters.
PARAMETERS
o $str
- The original string.
o $offset
- If $offset is non-negative, iconv_substr(3) cuts the portion out of $str beginning at $offset'th character, counting from zero.
If $offset is negative, iconv_substr(3) cuts out the portion beginning at the position, $offset characters away from the end of
$str.
o $length
- If $length is given and is positive, the return value will contain at most $length characters of the portion that begins at
$offset (depending on the length of $string). If negative $length is passed, iconv_substr(3) cuts the portion out of $str from
the $offset'th character up to the character that is $length characters away from the end of the string. In case $offset is also
negative, the start position is calculated beforehand according to the rule explained above.
o $charset
- If $charset parameter is omitted, $string are assumed to be encoded in iconv.internal_encoding. Note that $offset and $length
parameters are always deemed to represent offsets that are calculated on the basis of the character set determined by $charset,
whilst the counterpart substr(3) always takes these for byte offsets.
RETURN VALUES
Returns the portion of $str specified by the $offset and $length parameters.
If $str is shorter than $offset characters long, FALSE will be returned.
SEE ALSO
substr(3), mb_substr(3), mb_strcut(3).
PHP Documentation Group ICONV_SUBSTR(3)