これはWordPress MEの日本語変換の部分のバグになります。
/var/www/virtual/nunoichi.com/htdocs/wp/wp-includes/gettext.php
の107行目辺り、
// $MAGIC1 = (int)0x950412de; //bug in PHP 5.0.2, see https://savannah.nongnu.org/bugs/?func=detailitem&item_id=10565
$MAGIC1 = (int) - 1794895138;
// $MAGIC2 = (int)0xde120495; //bug
$MAGIC2 = (int) - 569244523;
$this->STREAM = $Reader;
$magic = $this->readint();
if ($magic == ($MAGIC1 & 0xFFFFFFFF)) { // to make sure it works for 64-bit platforms
$this->BYTEORDER = 0;
} elseif ($magic == ($MAGIC2 & 0xFFFFFFFF)) {
$this->BYTEORDER = 1;
} else {
$this->error = 1; // not MO file
return false;
}
この部分を
// $MAGIC1 = (int)0x950412de; //bug in PHP 5.0.2, see https://savannah.nongnu.org/bugs/?func=detailitem&item_id=10565
$MAGIC1 = (int) - 1794895138;
// $MAGIC2 = (int)0xde120495; //bug
$MAGIC2 = (int) - 569244523;
// 64-bit fix - 20090602 hiroron
$MAGIC3 = (int) 2500072158;
$this->STREAM = $Reader;
$magic = $this->readint();
// 20090602 hiroron
if ($magic == $MAGIC1 || $magic == $MAGIC3) {
$this->BYTEORDER = 0;
} elseif ($magic == ($MAGIC2 & 0xFFFFFFFF)) {
$this->BYTEORDER = 1;
} else {
$this->error = 1; // not MO file
return false;
}
とするときちんと認識します。