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run code in 200+ php & hhvm versions
Bugs & Features
<?php function dgs_clean( $str ) { return trim(preg_replace('/\s\s+/', ' ', $str)); } function dgs_Alist($array, $keys='', $format='%2$s', $separator=' ') { // return a string list of defined array[key]'s, values may be substituted via key definition if(empty($array)) return array(); $out = ''; $_k = (empty($keys)?array_keys($array):((is_array($keys))?$keys:array($keys))); foreach ($_k as $k => $v) { $key = (is_int($k))?$v:$k; if (isset($array[$key]) && !empty($array[$key])) $out .= ((!empty($out))?$separator:'').vsprintf($format,array($key, ((is_int($k))?$array[$key]:$v))); } return (($format=='%2$s') && ($separator==' '))?dgs_clean($out):$out; } $test = array('name' => 'myInput', 'value' => '123', 'type' => 'text', '_prepend' => '@', 'class' => 'component inline'); echo dgs_Alist($test,'','%1$s: %2$s',', ');
based on DeHWY
Output for 4.3.0 - 7.2.0
name: myInput, value: 123, type: text, _prepend: @, class: component inline