<?php
/**
* gTemplate Internal Function
* Compiles the 'foreach' function
*
* @package gTemplate
* @subpackage internalFunctions
*/
function compile_foreach_start($arguments, &$gTpl) {
//Emulate Smarty3 functionality: foreach $items as $item
$regexp1 = '/((?:('.$gTpl->_obj_call_regexp.'|' . $gTpl->_var_regexp . '|' . $gTpl->_svar_regexp . ')(' . $gTpl->_mod_regexp . '*))(?:\s+(.*))?) as \$('.$gTpl->_dvar_guts_regexp.')=>\$('.$gTpl->_dvar_guts_regexp.')/is';
$regexp2 = '/((?:('.$gTpl->_obj_call_regexp.'|' . $gTpl->_var_regexp . '|' . $gTpl->_svar_regexp . ')(' . $gTpl->_mod_regexp . '*))(?:\s+(.*))?) as \$('.$gTpl->_dvar_guts_regexp.')/is';
if (preg_match($regexp1, $arguments)) {
$arguments = preg_replace($regexp1, 'from=$1 key=$5 item=$6', $arguments);
} else {
$arguments = preg_replace($regexp2, 'from=$1 item=$5', $arguments);
}
$attrs = $gTpl->_parse_arguments($arguments);
$arg_list = array();
/* Required attr: from */
if (empty($attrs['from'])) {
return $gTpl->trigger_error("[SYNTAX] missing 'from' attribute in 'foreach' tag", E_USER_ERROR, $gTpl->_file, $gTpl->_linenum);
}
$from = $attrs['from'];
/* Required attr: item */
if (empty($attrs['item'])) {
return $gTpl->trigger_error("[SYNTAX] missing 'item' attribute in 'foreach' tag", E_USER_ERROR, $gTpl->_file, $gTpl->_linenum);
}
$item = $gTpl->_dequote($attrs['item']);
if (!preg_match('~^\w+$~', $item)) {
return $gTpl->trigger_error("[SYNTAX] 'item' must be a variable name (literal string) in 'foreach' tag", E_USER_ERROR, $gTpl->_file, $gTpl->_linenum);
}
/* attr: key */
if (isset($attrs['key'])) {
$key = $gTpl->_dequote($attrs['key']);
if (!preg_match('~^\w+$~', $key)) {
return $gTpl->trigger_error("[SYNTAX] 'key' must to be a variable name (literal string) in 'foreach' tag", E_USER_ERROR, $gTpl->_file, $gTpl->_linenum);
}
$key_part = "\$gTpl->_vars['$key'] => ";
} else {
$key = null;
$key_part = '';
}
/* attr: name */
if (isset($attrs['name'])) {
$name = $attrs['name'];
} else {
$name = null;
}
/* Generate output */
$output = "<?php \n/* START of Foreach on {$from} */\n"
."\$_from = $from;\n"
."if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array'); }\n";
if (isset($name)) {
$foreach_props = "\$gTpl->_foreach['$name']";
$output .= "{$foreach_props} = array('total' => count(\$_from), 'iteration' => 0);\n"
."if ({$foreach_props}['total'] > 0):\n"
." foreach (\$_from as $key_part\$gTpl->_vars['$item']):\n"
." {$foreach_props}['iteration']++;\n"
." /* START of LOOP section */\n";
} else {
$output .= "if (count(\$_from)):\n"
." foreach (\$_from as $key_part\$gTpl->_vars['$item']):\n"
." /* START of LOOP section */\n";
}
$output .= '?>';
$gTpl->openTag('foreach', array('from' => $attrs['from']));
return $output;
}
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