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ARRAY

array array_change_key_case array_chunk array_column array_combine array_count_values array_diff array_diff_assoc array_diff_key array_diff_uassoc array_diff_ukey array_fill array_fill_keys array_filter array_flip array_intersect array_intersect_assoc array_intersect_key array_intersect_uassoc array_intersect_ukey array_key_exists array_key_first array_key_last array_keys array_map array_merge array_merge_recursive array_multisort array_pad array_pop array_product array_push array_rand array_reduce array_replace array_replace_recursive array_reverse array_search array_shift array_slice array_splice array_sum array_udiff array_udiff_assoc array_udiff_uassoc array_uintersect array_uintersect_assoc array_uintersect_uassoc array_unique array_unshift array_values array_walk array_walk_recursive arsort asort compact count current end extract in_array key key_exists krsort ksort list natcasesort natsort next pos prev range reset rsort shuffle sizeof sort uasort uksort usort

CALENDAR

cal_days_in_month cal_from_jd cal_info cal_to_jd easter_date easter_days frenchtojd gregoriantojd jddayofweek jdmonthname jdtofrench jdtogregorian jdtojewish jdtojulian jdtounix jewishtojd juliantojd unixtojd

CLASS / OBJECT

class_alias class_exists get_called_class get_class_methods get_class get_class_vars get_declared_classes get_declared_interfaces get_declared_traits get_object_vars get_parent_class interface_exists is_a is_subclass_of method_exists property_exists trait_exists

CSPRNG

random_bytes random_int

CTYPE

ctype_alnum ctype_alpha ctype_cntrl ctype_digit ctype_graph ctype_lower ctype_print ctype_punct ctype_space ctype_upper ctype_xdigit

CURL

curl_close curl_copy_handle curl_errno curl_error curl_escape curl_exec curl_file_create curl_getinfo curl_init curl_multi_add_handle curl_multi_close curl_multi_errno curl_multi_exec curl_multi_getcontent curl_multi_info_read curl_multi_init curl_multi_remove_handle curl_multi_select curl_multi_setopt curl_multi_strerror curl_pause curl_reset curl_setopt curl_setopt_array curl_share_close curl_share_errno curl_share_init curl_share_setopt curl_share_strerror curl_strerror curl_unescape curl_version

DATE / TIME

checkdate date date_add date_create date_create_from_format date_create_immutable date_create_immutable_from_format date_date_set date_default_timezone_get date_default_timezone_set date_diff date_format date_get_last_errors date_interval_create_from_date_string date_interval_format date_isodate_set date_modify date_offset_get date_parse date_parse_from_format date_sub date_sun_info date_sunrise date_sunset date_time_set date_timestamp_get date_timestamp_set date_timezone_get date_timezone_set getdate gettimeofday gmdate gmmktime gmstrftime idate localtime microtime mktime strftime strptime strtotime time timezone_abbreviations_list timezone_identifiers_list timezone_location_get timezone_name_from_abbr timezone_name_get timezone_offset_get timezone_open timezone_transitions_get timezone_version_get

ERROR HANDLING

debug_backtrace debug_print_backtrace error_clear_last error_get_last error_log error_reporting restore_error_handler restore_exception_handler set_error_handler set_exception_handler trigger_error user_error

FILESYSTEM

basename chgrp chmod chown clearstatcache copy dirname disk_free_space disk_total_space diskfreespace fclose feof fflush fgetc fgetcsv fgets file file_exists file_get_contents file_put_contents fileatime filectime filegroup fileinode filemtime fileowner fileperms filesize filetype flock fnmatch fopen fpassthru fputcsv fputs fread fscanf fseek fstat ftell ftruncate fwrite glob is_dir is_executable is_file is_link is_readable is_uploaded_file is_writable is_writeable lchgrp lchown link linkinfo lstat mkdir move_uploaded_file pathinfo pclose popen readfile readlink realpath realpath_cache_get realpath_cache_size rename rewind rmdir set_file_buffer stat symlink tempnam tmpfile touch umask unlink

FILTER

filter_has_var filter_id filter_input filter_input_array filter_list filter_var filter_var_array

FUNCTION HANDLING

call_user_func call_user_func_array forward_static_call forward_static_call_array func_get_arg func_get_args func_num_args function_exists get_defined_functions register_shutdown_function register_tick_function unregister_tick_function

MAIL

mail

MATH

abs acos acosh asin asinh atan atan2 atanh base_convert bindec ceil cos cosh decbin dechex decoct deg2rad exp expm1 floor fmod getrandmax hexdec hypot intdiv is_finite is_infinite is_nan lcg_value log log10 log1p max min mt_getrandmax mt_rand mt_srand octdec pi pow rad2deg rand round sin sinh sqrt srand tan tanh

MISCELLANEOUS

__halt_compiler connection_aborted connection_status constant define defined die eval exit highlight_file highlight_string hrtime ignore_user_abort pack php_strip_whitespace show_source sleep sys_getloadavg time_nanosleep time_sleep_until uniqid unpack usleep

NETWORK

checkdnsrr closelog dns_check_record dns_get_mx dns_get_record fsockopen gethostbyaddr gethostbyname gethostbynamel gethostname getmxrr getprotobyname getprotobynumber getservbyname getservbyport header header_register_callback header_remove headers_list headers_sent http_response_code inet_ntop inet_pton ip2long long2ip openlog pfsockopen setcookie setrawcookie socket_get_status socket_set_blocking socket_set_timeout syslog

PCRE

preg_filter preg_grep preg_last_error preg_match preg_match_all preg_quote preg_replace preg_replace_callback preg_replace_callback_array preg_split

STREAM

stream_bucket_append stream_bucket_make_writeable stream_bucket_new stream_bucket_prepend stream_context_create stream_context_get_default stream_context_get_options stream_context_get_params stream_context_set_default stream_context_set_option stream_context_set_params stream_copy_to_stream stream_filter_append stream_filter_prepend stream_filter_register stream_filter_remove stream_get_contents stream_get_filters stream_get_line stream_get_meta_data stream_get_transports stream_get_wrappers stream_is_local stream_isatty stream_notification_callback stream_register_wrapper stream_resolve_include_path stream_select stream_set_blocking stream_set_chunk_size stream_set_read_buffer stream_set_timeout stream_set_write_buffer stream_socket_accept stream_socket_client stream_socket_enable_crypto stream_socket_get_name stream_socket_pair stream_socket_recvfrom stream_socket_sendto stream_socket_server stream_socket_shutdown stream_supports_lock stream_wrapper_register stream_wrapper_restore stream_wrapper_unregister

STRING

addcslashes addslashes bin2hex chop chr chunk_split convert_uudecode convert_uuencode count_chars crc32 crypt echo explode fprintf get_html_translation_table hebrev hebrevc hex2bin html_entity_decode htmlentities htmlspecialchars htmlspecialchars_decode implode join lcfirst levenshtein localeconv ltrim md5 md5_file metaphone nl_langinfo nl2br number_format ord parse_str print printf quoted_printable_decode quoted_printable_encode quotemeta rtrim setlocale sha1 sha1_file similar_text soundex sprintf sscanf str_contains str_ends_with str_getcsv str_ireplace str_pad str_repeat str_replace str_rot13 str_shuffle str_split str_starts_with str_word_count strcasecmp strchr strcmp strcoll strcspn strip_tags stripcslashes stripos stripslashes stristr strlen strnatcasecmp strnatcmp strncasecmp strncmp strpbrk strpos strrchr strrev strripos strrpos strspn strstr strtok strtolower strtoupper strtr substr substr_compare substr_count substr_replace trim ucfirst ucwords vfprintf vprintf vsprintf wordwrap

TOKENIZER

token_get_all token_name

URL

base64_decode base64_encode get_headers get_meta_tags http_build_query parse_url rawurldecode rawurlencode urldecode urlencode

VARIABLE HANDLING

boolval debug_zval_dump doubleval empty floatval get_defined_vars get_resource_id get_resource_type gettype intval is_array is_bool is_callable is_countable is_double is_float is_int is_integer is_iterable is_long is_null is_numeric is_object is_real is_resource is_scalar is_string isset print_r serialize settype strval unserialize unset var_dump var_export

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STRREV

Reverse a string

SYNTAX


            strrev ( string $string ) : string

PARAMETERS


            string

The string to be reversed.

RETURN

Returns the reversed string.

EXAMPLES


            olleH

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