compiler.foreachq.php

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<?php
function smarty_compiler_foreachq( $argStr, &$comp ) {

        $comp->_push_tag('foreach');

        $attrs = $comp->_parse_attrs( $argStr, false );

    $arg_list = array();

    if (empty($attrs['from'])) {
        return $comp->_syntax_error("foreachq: missing 'from' attribute", E_USER_ERROR, __FILE__, __LINE__);
    }
    $from = $attrs['from'];

    if (empty($attrs['item'])) {
        return $comp->_syntax_error("foreachq: missing 'item' attribute", E_USER_ERROR, __FILE__, __LINE__);
    }
    $item = $comp->_dequote($attrs['item']);
    if (!preg_match('~^\w+$~', $item)) {
        return $comp->_syntax_error("'foreachq: item' must be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__);
    }

    if (isset($attrs['key'])) {
        $key  = $comp->_dequote($attrs['key']);
        if (!preg_match('~^\w+$~', $key)) {
            return $comp->_syntax_error("foreachq: 'key' must to be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__);
        }
        $key_part = "\$this->_tpl_vars['$key'] => ";
    } else {
        $key = null;
        $key_part = '';
    }

    if (isset($attrs['name'])) {
        $name = $attrs['name'];
    } else {
        $name = null;
    }

    $output = '';
    //$output .= "\$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array'); }";
    if (isset($name)) {
        $foreach_props = "\$this->_foreach[$name]";
        $output .= "{$foreach_props} = array('total' => count($from), 'iteration' => 0);\n";
        //$output .= "{$foreach_props} = array('total' => count(\$_from), 'iteration' => 0);\n";
        $output .= "if ({$foreach_props}['total'] > 0):\n";
        $output .= "    foreach ($from as $key_part\$this->_tpl_vars['$item']):\n";
        //$output .= "    foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n";
        $output .= "        {$foreach_props}['iteration']++;\n";
    } else {
        $output .= "if (count($from)):\n";
        $output .= "    foreach ($from as $key_part\$this->_tpl_vars['$item']):\n";
        //$output .= "if (count(\$_from)):\n";
        //$output .= "    foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n";
    }
    //$output .= '';

    return $output;

}

?>