diff options
| -rw-r--r-- | docu/language_definition.html | 8 | ||||
| -rw-r--r-- | stupid_template_engine.php | 51 |
2 files changed, 59 insertions, 0 deletions
diff --git a/docu/language_definition.html b/docu/language_definition.html index 4cf4aaf..e311907 100644 --- a/docu/language_definition.html +++ b/docu/language_definition.html @@ -517,5 +517,13 @@ <h3 id="stdlib_array_add">ste:array_add</h3> <p>Adding an element to an array. The <code>array</code> parameter takes the variable name of the array. The <code>key</code> parameter takes the array key to map the value to, if omitted, the value will be appended to the end of the array. The value is the tag's content.</p> + <h3 id="stdlib_array_filter">ste:array_filter</h3> + <p>Filter out array elements by multiple criterias.</p> + <p>All the parameters are names of array variables.</p> + <p><code>array</code> – The array to filter.</p> + <p><code>keep_by_keys</code> – Keep elements with the keys in this array.</p> + <p><code>keep_by_values</code> – Keep elements with the values in this array.</p> + <p><code>delete_by_keys</code> – Delete elements with the keys in this array.</p> + <p><code>delete_by_values</code> – Delete elements with the values in this array.</p> </body> </html> diff --git a/stupid_template_engine.php b/stupid_template_engine.php index e8e78ec..b231e12 100644 --- a/stupid_template_engine.php +++ b/stupid_template_engine.php @@ -1434,6 +1434,57 @@ class STEStandardLibrary else $ar[$params["key"]] = $sub($ste); } + + static public function array_filter($ste, $params, $sub) + { + if(empty($params["array"])) + throw new RuntimeError("Missing array parameter in <ste:array_filter>."); + + $ar = $ste->get_var_by_name($params["array"]); + if(!is_array($ar)) + throw new RuntimeError("Variable at 'array' is not an array."); + + $keys = array_keys($ar); + + if(!empty($params["keep_by_keys"])) + { + $keep_by_keys = &$ste->get_var_reference($params["keep_by_keys"], False); + if(!is_array($keep_by_keys)) + throw new RuntimeError("Variable at 'keep_by_keys' is not an array."); + $delkeys = array_filter($keys, function($k) use ($keep_by_keys) { return !in_array($k, $keep_by_keys); }); + foreach($delkeys as $dk) + unset($ar[$dk]); + $keys = array_keys($ar); + } + if(!empty($params["keep_by_values"])) + { + $keep_by_values = &$ste->get_var_reference($params["keep_by_values"], False); + if(!is_array($keep_by_values)) + throw new RuntimeError("Variable at 'keep_by_values' is not an array."); + $ar = array_filter($ar, function($v) use ($keep_by_values) { return in_array($v, $keep_by_values); }); + $keys = array_keys($ar); + } + if(!empty($params["delete_by_keys"])) + { + $delete_by_keys = &$ste->get_var_reference($params["delete_by_keys"], False); + if(!is_array($delete_by_keys)) + throw new RuntimeError("Variable at 'delete_by_keys' is not an array."); + $delkeys = array_filter($keys, function($k) use ($delete_by_keys) { return in_array($k, $delete_by_keys); }); + foreach($delkeys as $dk) + unset($ar[$dk]); + $keys = array_keys($ar); + } + if(!empty($params["delete_by_values"])) + { + $delete_by_values = &$ste->get_var_reference($params["delete_by_values"], False); + if(!is_array($delete_by_values)) + throw new RuntimeError("Variable at 'delete_by_values' is not an array."); + $ar = array_filter($ar, function($v) use ($delete_by_values) { return !in_array($v, $delete_by_values); }); + $keys = array_keys($ar); + } + + $ste->set_var_by_name($params["array"], $ar); + } } ?>
\ No newline at end of file |