Zval - Related information

  • Why the execution order of destructors in PHP is stack representation

    At the end of the php program, the order in which destructors are executed, why is the object created first and executed last? and the destructor is triggered when an Object is destroyed in the Bird blog: C, " " . PHP, " " HastTable. , " " Has...

  • Reference problem of php circular array, zval structure

    $arr=array("a","b","c","d"); foreach ($arr as &$value) { } $value=&arr[3];$value="d"; foreach ($arr as $key=>$value) { echo ""; var_dump($arr); } the results are as follow...

    Mar.12,2021
  • The difference between php variables and caching

    recently read some tutorials on caching: Memcache stores data as hash tables with key- > value structure; redis can support five data types:: string (strings), hash (hash), list (list), set (collections) and zset (sorted set: ordered collections) is o...

    Mar.06,2021
  • MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
    MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e47b64-44c49.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
    MySQL Errno : 1021
    Message : Disk full (/tmp/#sql-temptable-64f5-1e47b64-44c49.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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