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    List of Function Aliases

    There are quite a few functions in PHP which you can call with more than one name. In some cases there is no preferred name among the multiple ones, is_int() and is_integer() are equally good for example. However there are functions which changed names because of an API cleanup or some other reason and the old names are only kept as aliases for backward compatibility. It is usually a bad idea to use these kind of aliases, as they may be bound to obsolescence or renaming, which will lead to unportable script. This list is provided to help those who want to upgrade their old scripts to newer syntax.

    Aliases
    Alias Master function Extension used
    _ gettext() Gettext
    chop rtrim() Base syntax
    close closedir() Base syntax
    com_get com_propget() COM
    com_propset com_propput() COM
    com_set com_propput() COM
    die exit() Miscellaneous functions
    diskfreespace disk_free_space() Filesystem
    doubleval floatval() Base syntax
    fputs fwrite() Base syntax
    gzputs gzwrite() Zlib
    i18n_convert mb_convert_encoding() Multi-bytes Strings
    i18n_discover_encoding mb_detect_encoding() Multi-bytes Strings
    i18n_http_input mb_http_input() Multi-bytes Strings
    i18n_http_output mb_http_output() Multi-bytes Strings
    i18n_internal_encoding mb_internal_encoding() Multi-bytes Strings
    i18n_ja_jp_hantozen mb_convert_kana() Multi-bytes Strings
    i18n_mime_header_decode mb_decode_mimeheader() Multi-bytes Strings
    i18n_mime_header_encode mb_encode_mimeheader() Multi-bytes Strings
    imap_create imap_createmailbox() IMAP
    imap_fetchtext imap_body() IMAP
    imap_getmailboxes imap_list_full() IMAP
    imap_getsubscribed imap_lsub_full() IMAP
    imap_header imap_headerinfo() IMAP
    imap_listmailbox imap_list() IMAP
    imap_listsubscribed imap_lsub() IMAP
    imap_rename imap_renamemailbox() IMAP
    imap_scan imap_listscan() IMAP
    imap_scanmailbox imap_listscan() IMAP
    ini_alter ini_set() Base syntax
    is_double is_float() Base syntax
    is_integer is_int() Base syntax
    is_long is_int() Base syntax
    is_real is_float() Base syntax
    is_writeable is_writable() Base syntax
    join implode() Base syntax
    key_exists array_key_exists() Base syntax
    ldap_close ldap_unbind() LDAP
    mbstrcut mb_strcut() Multi-bytes Strings
    mbstrlen mb_strlen() Multi-bytes Strings
    mbstrpos mb_strpos() Multi-bytes Strings
    mbstrrpos mb_strrpos() Multi-bytes Strings
    mbsubstr mb_substr() Multi-bytes Strings
    mysql mysql_db_query() MySQL
    mysql_createdb mysql_create_db() MySQL
    mysql_db_name mysql_result() MySQL
    mysql_dbname mysql_result() MySQL
    mysql_dropdb mysql_drop_db() MySQL
    mysql_fieldflags mysql_field_flags() MySQL
    mysql_fieldlen mysql_field_len() MySQL
    mysql_fieldname mysql_field_name() MySQL
    mysql_fieldtable mysql_field_table() MySQL
    mysql_fieldtype mysql_field_type() MySQL
    mysql_freeresult mysql_free_result() MySQL
    mysql_listdbs mysql_list_dbs() MySQL
    mysql_listfields mysql_list_fields() MySQL
    mysql_listtables mysql_list_tables() MySQL
    mysql_numfields mysql_num_fields() MySQL
    mysql_numrows mysql_num_rows() MySQL
    mysql_selectdb mysql_select_db() MySQL
    mysql_tablename mysql_result() MySQL
    ociassignelem OCICollection::assignElem OCI8
    ocibindbyname oci_bind_by_name() OCI8
    ocicancel oci_cancel() OCI8
    ocicloselob OCILob::close OCI8
    ocicollappend OCICollection::append OCI8
    ocicollassign OCICollection::assign OCI8
    ocicollmax OCICollection::max OCI8
    ocicollsize OCICollection::size OCI8
    ocicolltrim OCICollection::trim OCI8
    ocicolumnisnull oci_field_is_null() OCI8
    ocicolumnname oci_field_name() OCI8
    ocicolumnprecision oci_field_precision() OCI8
    ocicolumnscale oci_field_scale() OCI8
    ocicolumnsize oci_field_size() OCI8
    ocicolumntype oci_field_type() OCI8
    ocicolumntyperaw oci_field_type_raw() OCI8
    ocicommit oci_commit() OCI8
    ocidefinebyname oci_define_by_name() OCI8
    ocierror oci_error() OCI8
    ociexecute oci_execute() OCI8
    ocifetch oci_fetch() OCI8
    ocifetchinto oci_fetch_array(), oci_fetch_row(), oci_fetch_assoc(), oci_fetch_object() OCI8
    ocifetchstatement oci_fetch_all() OCI8
    ocifreecollection OCICollection::free OCI8
    ocifreecursor oci_free_statement() OCI8
    ocifreedesc oci_free_descriptor() OCI8
    ocifreestatement oci_free_statement() OCI8
    ocigetelem OCICollection::getElem OCI8
    ociinternaldebug oci_internal_debug() OCI8
    ociloadlob OCILob::load OCI8
    ocilogon oci_connect() OCI8
    ocinewcollection oci_new_collection() OCI8
    ocinewcursor oci_new_cursor() OCI8
    ocinewdescriptor oci_new_descriptor() OCI8
    ocinlogon oci_new_connect() OCI8
    ocinumcols oci_num_fields() OCI8
    ociparse oci_parse() OCI8
    ocipasswordchange oci_password_change() OCI8
    ociplogon oci_pconnect() OCI8
    ociresult oci_result() OCI8
    ocirollback oci_rollback() OCI8
    ocisavelob OCILob::save OCI8
    ocisavelobfile OCILob::import OCI8
    ociserverversion oci_server_version() OCI8
    ocisetprefetch oci_set_prefetch() OCI8
    ocistatementtype oci_statement_type() OCI8
    ociwritelobtofile OCILob::export OCI8
    ociwritetemporarylob OCILob::writeTemporary OCI8
    odbc_do odbc_exec() ODBC
    odbc_field_precision odbc_field_len() ODBC
    pg_clientencoding pg_client_encoding() PostgreSQL
    pg_setclientencoding pg_set_client_encoding() PostgreSQL
    pos current() Base syntax
    recode recode_string() Recode
    show_source highlight_file() Base syntax
    sizeof count() Base syntax
    snmpwalkoid snmprealwalk() SNMP
    strchr strstr() Base syntax
    xptr_new_context xpath_new_context()  

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    User Contributed Notes 1 note

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    keradus at gmail dot com
    9 years ago
    rewind is not an alias for rewinddir:

    rewind — Rewind the position of a file pointer
    rewinddir — Rewind directory handle

    My code stop working after changing rewind into rewinddir (working on PHP 5.6.3)
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