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1. define_syslog_variables
2. register_globals
3. register_long_arrays
4. safe_mode
5. magic_quotes_gpc
6. magic_quotes_runtime
7. magic_quotes_sybase
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* ɾ³ý¶Ôº¯Êý define_syslog_variables µÄÒýÓÃ
* ½«±äÁ¿ $LOG_ERR, $LOG_USER µÈÓó£Á¿ LOG_USER, LOG_USER, … Ìæ´ú
ereg, eregi º¯ÊýÓà preg_match º¯ÊýÌæ´ú
* Õ⼸¸öº¯ÊýµÄº¯ÊýÉùÃ÷
int ereg ( string $pattern , string $string [, array &$regs ] )
int eregi ( string $pattern , string $string [, array &$regs ] )
int preg_match ( string $pattern , string $subject [, array &$matches [, int $flags [, int $offset ]]] )
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header("content-type:image/png");
$img=ImageCreate(100,35);
$bgcolor=ImageColorAllocate($img,0,0,0);
$red=ImageColorAllocate($img,255,0,0);
$bgcolortrans=ImageColorTransparent($img,$bgcolor);
ImageString($img,5,10,10,"PNG PHP",$red);
ImagePng($img);
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