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Patterns - PHP Development

Hi ! I've got a simple looking problem, do maybe someone will have simple, short solution for it. I hava a string whis is an expression e.g.: '$a + $b / $c - abs($d)' As you can see there are vars in it. What I want to do is to get names of all these vars, that is: $a, $b, $c and $d. I appreciate any help Robert...

  1. #1

    Default Patterns

    Hi !

    I've got a simple looking problem, do maybe someone will have simple, short
    solution for it.
    I hava a string whis is an expression e.g.:
    '$a + $b / $c - abs($d)'
    As you can see there are vars in it.
    What I want to do is to get names of all these vars, that is: $a, $b, $c and
    $d.
    I appreciate any help

    Robert

    RuBenz Guest

  2. #2

    Default Re: Patterns

    Hey RuBenz

    This is what came up my mind:

    $str = "\$a + \$b / \$c - abs(\$d)";
    preg_match_all ( "/(\\$[\w]+)/", $str, $matches);
    print_r ( $matches );

    Dima

    "RuBenz" <konradicpnet.pl> wrote in message
    news:bm4s4r$9gp$1topaz.icpnet.pl...
    > Hi !
    >
    > I've got a simple looking problem, do maybe someone will have simple,
    short
    > solution for it.
    > I hava a string whis is an expression e.g.:
    > '$a + $b / $c - abs($d)'
    > As you can see there are vars in it.
    > What I want to do is to get names of all these vars, that is: $a, $b, $c
    and
    > $d.
    > I appreciate any help
    >
    > Robert
    >

    Dmitry Ruban Guest

  3. #3

    Default Re: Patterns

    > This is what came up my mind:
    >
    > $str = "\$a + \$b / \$c - abs(\$d)";
    > preg_match_all ( "/(\\$[\w]+)/", $str, $matches);
    > print_r ( $matches );
    >
    > Dima
    Thanks !
    That's what I was looking for !

    RuBenz
    RuBenz Guest

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