heart-theme-utils.php

<?php
/** converts a list to an nested array key in string form
 * eg ('foo','bar','baz') -> [foo][bar][baz]
 */
function am($array, $thing, $second_thing=null) {
    if ($second_thing) {
        return array_merge($array, array($thing), array($second_thing));
    } else {
        return array_merge($array, array($thing));
    }
}
function get_qualifier($list) {
    $qualifier = '';
    foreach($list as $part) $qualifier .= "[{$part}]";
    return $qualifier;
}
function array_merge_recursive_distinct ( array &$array1, array &$array2 )
{
  $merged = $array1;

  foreach ( $array2 as $key => &$value )
  {
    if ( is_array ( $value ) && isset ( $merged [$key] ) && is_array ( $merged [$key] ) )
    {
      $merged [$key] = array_merge_recursive_distinct ( $merged [$key], $value );
    }
    else
    {
      $merged [$key] = $value;
    }
  }

  return $merged;
}

function ends_with($str, $suffix) {
    $suffix_start = strlen($str) - strlen($suffix);
    return (substr($str, $suffix_start) == $suffix);
}
function starts_with($str, $prefix) {
    return (substr($str, 0, strlen($prefix)) == $prefix);
}
function get_prefix($str, $suffix) {
    return substr($str, 0, strlen($str) - strlen($suffix));
}
function is_suffix_string($str, $suffix) {
    $return = false;
    if (ends_with($str, $suffix)) {
        $prefix = get_prefix($str, $suffix);
        $return = is_numeric($prefix);
    }
    return $return;
}
function is_em_string($str) {
    return is_suffix_string($str, 'em');
}
function is_px_string($str) {
    return is_suffix_string($str, 'px');
}
function is_percent_string($str) {
    return is_suffix_string($str, '%');
}
function is_valid_size_string($str) {
    $return = false;
    if (is_em_string($str) || is_px_string($str) || is_percent_string($str)) {
        $return = true;
    }
    return $return;
}
function is_valid_color_string($str) {
    return (strlen($str) == 7) && starts_with($str, '#') && ctype_xdigit(substr($str, 1));
}
function row($content) {
    $o = ot('tr');
    $o .= $content;
    $o .= ct('tr');
    return $o;
}
function button_submit( $button_text, $attributes='' ) {
    return input('submit',
        attr_name('Submit') .
        attr_class('button-primary') .
        attr_type('submit') .
        attr_value(esc_attr($button_text)) .
        $attributes );
}
function array_equals($array, $key, $value) {
    if(isset($array[$key])) {
        return ($array[$key] == $value);
    } else return false;
}
function get_this_theme_data($key) {
    $theme_data = get_theme_data( $dir = get_template_directory() . '/style.css' );
    return $theme_data[$key];
}
function get_theme_version_number() {
    return get_this_theme_data('Version');
}
function get_theme_name() {
    return get_this_theme_data('Name');
}
function get_theme_uri() {
    return get_this_theme_data('URI');
}

function replaceTree($search="", $replace="", $array=false, $keys_too=false)
{
    if (!is_array($array)) {
        // Regular replace
        return str_replace($search, $replace, $array);
    }

    $newArr = array();
    foreach ($array as $k=>$v) {
        // Replace keys as well?
        $add_key = $k;
        if ($keys_too) {
            $add_key = str_replace($search, $replace, $k);
        }

        // Recurse
        $newArr[$add_key] = replaceTree($search, $replace, $v, $keys_too);
    }
    return $newArr;
}
?>