Массив:
print_r($result_price);
Array
(
[econom_mag] => 1800
[econom] => 510
[def] => 870
)
Ищем ключ минимального значения массива:
$min_key=array_keys($result_price,min($result_price)); print_r($min_key);
Array
(
[0] => econom
)
javascript:
function canUseWebp(){ let elem=document.createElement('canvas'); if(!!(elem.getContext&&elem.getContext('2d'))){ return elem.toDataURL('image/webp').indexOf('data:image/webp')==0; } return false; } window.onload=function(){ let images=document.querySelectorAll('[data-bg]'); for(let i=0;i<images.length;i++){ let image=images[i].getAttribute('data-bg'); images[i].style.backgroundImage='url('+image+')'; } let isitFirefox=window.navigator.userAgent.match(/Firefox\/([0-9]+)\./); let firefoxVer=isitFirefox?parseInt(isitFirefox[1]):0; if(canUseWebp()||firefoxVer>=65){ let imagesWebp=document.querySelectorAll('[data-bg-webp]'); for(let i=0;i<imagesWebp.length;i++){ let imageWebp=imagesWebp[i].getAttribute('data-bg-webp'); imagesWebp[i].style.backgroundImage='url('+imageWebp+')'; } } };
html:
<div class="item" style="background-image:url('/img/banners/banner2.webp');" data-bg="/img/banners/banner2.jpg" data-bg-webp="/img/banners/banner2.webp"></div>пример программного вывода:
function attr_background_image($image,$dir,$add=''){ $html=''; $image_path=ROOT_HTTP.$dir.$image; $image_pathinfo=pathinfo($image_path); $ext=($image_pathinfo['extension']=='jpg')?'jpeg':$image_pathinfo['extension']; if(USE_WEBP==1&&$ext!='svg'&&file_exists(ROOT_DIR.$dir.$image_pathinfo['filename'].'.webp')){ $html.=' style="background-image:url(\''.ROOT_HTTP.$dir.$image_pathinfo['filename'].'.webp\');" data-bg="'.ROOT_HTTP.$dir.$image.'" data-bg-webp="'.ROOT_HTTP.$dir.$image_pathinfo['filename'].'.webp"'; } else{ $html.=' style="background-image:url(\''.ROOT_HTTP.$dir.$image.'\');'.$add.'"'; } return $html; } $block_bg=''; if($block['photo']||$block['bgcolor']){ if($block['photo']){ $bgcolor=''; if($block['bgcolor']){ $bgcolor.='background-color:'.$block['bgcolor'].';'; } $block_bg=attr_background_image($block["photo"],IMAGES_BLOCKS_DIR,$bgcolor); } elseif($block['bgcolor']){ $block_bg.=' style="'; $block_bg.='background-color:'.$block['bgcolor'].';'; $block_bg.='"'; } }
или
<div class="item"<?=attr_background_image($item["photo"],IMAGES_BANNERS_DIR)?>>https://webinmind.ru/javascript/webp-to-background-image
function write_ini($array,$file){ $res=array(); foreach($array as $key=>$val){ if(is_array($val)){ $res[]="[$key]"; foreach($val as $skey=>$sval){ $res[]="$skey = ".(is_numeric($sval)?$sval:'"'.$sval.'"'); } } else{ $res[]="$key = ".(is_numeric($val)?$val:'"'.$val.'"'); } } safefilerewrite($file,implode("\r\n",$res)); } function safefilerewrite($fileName,$dataToSave){ if($fp=fopen($fileName,'w')){ $startTime=microtime(TRUE); do{ $canWrite=flock($fp,LOCK_EX); if(!$canWrite){ usleep(round(rand(0,100)*1000)); } } while((!$canWrite)and((microtime(TRUE)-$startTime)<5)); if($canWrite){ fwrite($fp,$dataToSave); flock($fp,LOCK_UN); } fclose($fp); } } $ini=parse_ini_file($_SERVER['DOCUMENT_ROOT']."/file.ini"); $ini['key']='value'; write_ini($ini,$_SERVER['DOCUMENT_ROOT']."/file.ini");
function get_file_size($bytes){ if($bytes<1000*1024){ return number_format($bytes/1024,2)."KB"; } elseif($bytes<1000*1048576){ return number_format($bytes/1048576,2)."MB"; } elseif($bytes<1000*1073741824){ return number_format($bytes/1073741824,2)."GB"; } else{ return number_format($bytes/1099511627776,2)."TB"; } }
//список print_r(glob(ROOT_DIR.RESIZE_CACHE_DIR."*".$fname)); //удалить по маске foreach(glob(ROOT_DIR.RESIZE_CACHE_DIR."*".$fname) as $file){ unlink($file); }
Для латиницы функция ucfirst
Для utf-8:
function ucfirst_utf8($str){ return mb_strtoupper(mb_substr($str,0,1)).mb_substr($str,1); } echo ucfirst_utf8("предложение с большой буквы");
$result=array_diff($all_files,$current_files);
