PHP Core:
M_EULER
    
   M_LNPI
    
   M_SQRT3
    
   M_SQRTPI
    
   PATHINFO_FILENAME
    
   PREG_BACKTRACK_LIMIT_ERROR
    
   PREG_BAD_UTF8_ERROR
    
   PREG_INTERNAL_ERROR
    
   PREG_NO_ERROR
    
   PREG_RECURSION_LIMIT_ERROR
    
   UPLOAD_ERR_EXTENSION
    
   STREAM_SHUT_RD
    
   STREAM_SHUT_WR
    
   STREAM_SHUT_RDWR
    
   curl:
CURLE_FILESIZE_EXCEEDED
    
   CURLE_FTP_SSL_FAILED
    
   CURLE_LDAP_INVALID_URL
    
   CURLFTPAUTH_DEFAULT
    
   CURLFTPAUTH_SSL
    
   CURLFTPAUTH_TLS
    
   CURLFTPSSL_ALL
    
   CURLFTPSSL_CONTROL
    
   CURLFTPSSL_NONE
    
   CURLFTPSSL_TRY
    
   CURLOPT_FTP_SSL
    
   CURLOPT_FTPSSLAUTH
    
   CURLOPT_TCP_NODELAY
    
    
     Added in PHP 5.2.1.
    
   CURLOPT_TIMEOUT_MS
    
    
     Added in PHP 5.2.3
    
   CURLOPT_CONNECTTIMEOUT_MS
    
    
     Added in PHP 5.2.3
    
   GMP:
GMP_VERSION
    
    
     Added in PHP 5.2.2.
    
   ming:
SWFTEXTFIELD_USEFONT
    
   SWFTEXTFIELD_AUTOSIZE
    
   SWF_SOUND_NOT_COMPRESSED
    
   SWF_SOUND_ADPCM_COMPRESSED
    
   SWF_SOUND_MP3_COMPRESSED
    
   SWF_SOUND_NOT_COMPRESSED_LE
    
   SWF_SOUND_NELLY_COMPRESSED
    
   SWF_SOUND_5KHZ
    
   SWF_SOUND_11KHZ
    
   SWF_SOUND_22KHZ
    
   SWF_SOUND_44KHZ
    
   SWF_SOUND_8BITS
    
   SWF_SOUND_16BITS
    
   SWF_SOUND_MONO
    
   SWF_SOUND_STEREO
    
   OPENSSL_VERSION_NUMBER
    
   OPENSSL_VERSION_TEXT
    
   snmp:
SNMP_OID_OUTPUT_FULL
    
   SNMP_OID_OUTPUT_NUMERIC
    
   MSG_EAGAIN
    
   MSG_ENOMSG