Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] iconv library 2nd iconv_strlen( ) iconv_strpos( ) iconv_strrpos( ) iconv_substr( ) IDE (integrated development environment) identity (===) operator 2nd image MIME type image_type_to_mime_type( ) ImageArc( ) ImageColorAllocate( ) 2nd ImageColorsForIndex( ) ImageColorTransparent( ) ImageCreate( ) ImageCreateFrom( ) ImageCreateFromPNG( ) ImageCrop( ) ImageDestroy( ) 2nd ImageEllipse( ) ImageFilledArc( ) ImageFilledEllipse( ) ImageFilledPolygon( ) ImageFilledRectangle( ) 2nd 3rd ImageFillToBorder( ) ImageFtBBox( ) ImageLine( ) ImagePNG( ) ImagePolygon( ) ImagePSBBox( ) ImagePSLoadFont( ) ImagePSText( ) 2nd ImageRectangle( ) images localizing serving securely ImageSetStyle( ) ImageString( ) ImageStringUp( ) ImageSX( ) ImageSY( ) ImageTTFText( ) imagetypes( ) IMAP 2nd imap_body( ) imap_close( ) imap_fetchbody( ) 2nd imap_fetchstructure( ) imap_header( ) 2nd imap_headers( ) imap_mail_compose( ) imap_num_msg( ) imap_open( ) 2nd <img> source tag 2nd img( ) 2nd implode( ) 2nd verifying data with hashes importStylesheet( ) in_array( ) 2nd 3rd 4th include keyword class files upon object instantiation, autoloading include_path included files indexes zero, not beginning with indexing inheritance ini_get( ) configuration variables, reading ini_get_all( ) ini_restore( ) ini_set( ) error messages, hiding from users setting configuration varables initialization vector (IV) inject_session_token( ) inodes input boxes (forms) <input/> element INSERT query 2nd building queries programmatically rows, finding number of install PEAR command instanceof operator instances of objects instantiation integrated development environment (IDE) interface keyword interfaces internationalization Internet services interpolation functions and expressions within strings interpreter (PHP), debugging programs interpreters intersections (arrays) introspecting object intval( ) ionCube PHP Accelerator (PHPA) IP addresses is_a( ) is_array( ) 2nd 3rd is_bool( ) is_dir( ) is_double( ) is_executable( ) is_file( ) is_float( ) is_int( ) is_integer( ) is_link( ) is_long( ) is_numeric( ) 2nd 3rd is_readable( ) is_real( ) is_soap_fault( ) is_string( ) is_uploaded_file( ) is_valid_credit_card( ) is_valid_email_address( ) is_writable( ) isDir( ) isDot( ) isExecutable( ) isFile( ) isLink( ) isReadable( ) isset( ) 2nd default values, establishing named function parameters, using property accesses, overriding required fields and isWritable( ) iteration (arrays) IV (initialization vector) |