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<?php |
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|
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class RL21CFile{ |
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|
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public const TTL_LONG = "long"; |
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public const TTL_SHORT = "short"; |
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|
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private $fp_long = ''; |
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private $fp_short = ''; |
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|
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public function __construct($request_url) |
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{ |
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$hash = md5($request_url); |
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$this->fp_long = RL21UtilWP::get_cache_dir(self::TTL_LONG).DIRECTORY_SEPARATOR.$hash; |
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$this->fp_short = RL21UtilWP::get_cache_dir(self::TTL_SHORT).DIRECTORY_SEPARATOR.$hash; |
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} |
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|
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public function exists($ttl, $shouldBeAfter=0){ |
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$fp = $ttl==RL21CFile::TTL_LONG ? $this->fp_long.'_c': $this->fp_short.'_c'; |
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$fe = file_exists($fp); |
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if($fe && $shouldBeAfter && $shouldBeAfter>631152000){ |
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$mt = filemtime($fp); |
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if($mt && $mt<$shouldBeAfter){ |
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//post is modified after cache was generated |
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$fe = false; |
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} |
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} |
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return $fe; |
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} |
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|
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public function delete($ttl){ |
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$fp = $ttl==RL21CFile::TTL_LONG ? $this->fp_long: $this->fp_short; |
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$count = 0; |
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if(is_file($fp.'_c') && @unlink($fp.'_c')){ |
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$count++; |
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} |
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if(is_file($fp.'_h') && @unlink($fp.'_h')){ |
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$count++; |
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} |
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return $count; |
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} |
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|
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public function invalidate(){ |
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$fp = $this->fp_long.'_c'; |
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if(is_file($fp)) { |
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$content = file_get_contents($fp); |
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if($content!==false){ |
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$content = str_ireplace(['"rlCacheRebuild": "N"', '"rlCacheRebuild":"N"'], '"rlCacheRebuild": "Y"', $content); |
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} |
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RabbitLoader_21_Util_Core::fpc($fp, $content, WP_DEBUG); |
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} |
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} |
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|
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|
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public function &get($ttl, $type){ |
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$fp = $ttl==RL21CFile::TTL_LONG ? $this->fp_long: $this->fp_short; |
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$content = ''; |
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if(file_exists($fp.'_'.$type)){ |
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$content = file_get_contents($fp.'_'.$type); |
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} |
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return $content; |
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} |
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|
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public function serve(){ |
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if($this->exists(RL21CFile::TTL_LONG)){ |
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$content = file_get_contents($this->fp_long.'_c'); |
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if ($content!==false){ |
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if (RabbitLoader_21_Core::strHasValidClosingTags($content)) { |
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if(file_exists($this->fp_long.'_h')){ |
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//header is optional |
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RabbitLoader_21_Util_Core::send_headers(file_get_contents($this->fp_long.'_h')); |
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} |
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RabbitLoader_21_Core::sendHeader('x-rl-cache: hit', true); |
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echo $content; |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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|
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public function save($ttl, &$content, &$headers){ |
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$fp = $ttl==RL21CFile::TTL_LONG ? $this->fp_long: $this->fp_short; |
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$headers = json_encode($headers, JSON_INVALID_UTF8_IGNORE); |
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$count = 0; |
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if(RabbitLoader_21_Util_Core::fpc($fp.'_h', $headers, WP_DEBUG)){ |
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$count++; |
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} |
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if(RabbitLoader_21_Util_Core::fpc($fp.'_c', $content, WP_DEBUG)){ |
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$count++; |
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} |
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return $count; |
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} |
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} |
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|
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?> |
