php ile ilgileniyorum sorulariniz cevaplayabilirim

<?php

function mysql2date( $dateformatstring, $mysqlstring, $translate = true ) {
$m = $mysqlstring;
if ( empty( $m ) )
return false;

if ( 'G' == $dateformatstring )
return strtotime( $m . ' +0000' );

$i = strtotime( $m );

if ( 'U' == $dateformatstring )
return $i;

if ( $translate )
return date_i18n( $dateformatstring, $i );
else
return date( $dateformatstring, $i );
}

function current_time( $type, $gmt = 0 ) {
switch ( $type ) {
case 'mysql':
return ( $gmt ) ? gmdate( 'Y-m-d H:i:s' ) : gmdate( 'Y-m-d H:i:s', ( time() + ( get_option( 'gmt_offset' ) * 3600 ) ) );
break;
case 'timestamp':
return ( $gmt ) ? time() : time() + ( get_option( 'gmt_offset' ) * 3600 );
break;
}
}

/**
* Strip close comment and close php tags from file headers used by WP
* See http://core.trac.wordpress.org/ticket/8497
*
* @since 2.8.0
*
* @param string $str
* @return string
*/
function _cleanup_header_comment($str) {
return trim(preg_replace("/s*(?:*/|?>).*/", '', $str));
}

/**
* Permanently deletes posts, pages, attachments, and comments which have been in the trash for EMPTY_TRASH_DAYS.
*
* @since 2.9.0
*/
function wp_scheduled_delete() {
global $wpdb;

$delete_timestamp = time() - (60*60*24*EMPTY_TRASH_DAYS);

$posts_to_delete = $wpdb->get_results($wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A);

foreach ( (array) $posts_to_delete as $post ) {
$post_id = (int) $post['post_id'];
if ( !$post_id )
continue;

$del_post = get_post($post_id);

if ( !$del_post || 'trash' != $del_post->post_status ) {
delete_post_meta($post_id, '_wp_trash_meta_status');
delete_post_meta($post_id, '_wp_trash_meta_time');
} else {
wp_delete_post($post_id);
}
}

$comments_to_delete = $wpdb->get_results($wpdb->prepare("SELECT comment_id FROM $wpdb->commentmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A);

foreach ( (array) $comments_to_delete as $comment ) {
$comment_id = (int) $comment['comment_id'];
if ( !$comment_id )
continue;

$del_comment = get_comment($comment_id);

if ( !$del_comment || 'trash' != $del_comment->comment_approved ) {
delete_comment_meta($comment_id, '_wp_trash_meta_time');
delete_comment_meta($comment_id, '_wp_trash_meta_status');
} else {
wp_delete_comment($comment_id);
}
}
}

/**
* Retrieve metadata from a file.
*
* Searches for metadata in the first 8kiB of a file, such as a plugin or theme.
* Each piece of metadata must be on its own line. Fields can not span multple
* lines, the value will get cut at the end of the first line.
*
* If the file data is not within that first 8kiB, then the author should correct
* their plugin file and move the data headers to the top.
*
* @see http://codex.wordpress.org/File_Header
*
* @since 2.9.0
* @param string $file Path to the file
* @param array $default_headers List of headers, in the format array('HeaderKey' => 'Header Name')
* @param string $context If specified adds filter hook "extra_{$context}_headers"
*/
function get_file_data( $file, $default_headers, $context = '' ) {
// We don't need to write to the file, so just open for reading.
$fp = fopen( $file, 'r' );

// Pull only the first 8kiB of the file in.
$file_data = fread( $fp, 8192 );

// PHP will close file handle, but we are good citizens.
fclose( $fp );

if ( $context != '' ) {
$extra_headers = apply_filters( "extra_{$context}_headers", array() );

$extra_headers = array_flip( $extra_headers );
foreach( $extra_headers as $key=>$value ) {
$extra_headers[$key] = $key;
}
$all_headers = array_merge( $extra_headers, (array) $default_headers );
} else {
$all_headers = $default_headers;
}

foreach ( $all_headers as $field => $regex ) {
preg_match( '/^[ t/*#@]*' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, ${$field});
if ( !empty( ${$field} ) )
${$field} = _cleanup_header_comment( ${$field}[1] );
else
${$field} = '';
}

$file_data = compact( array_keys( $all_headers ) );

return $file_data;
}

/**
* Used internally to tidy up the search terms
*
* @access private
* @since 2.9.0
*
* @param string $t
* @return string
*/
function _search_terms_tidy($t) {
return trim($t, ""'nr ");
}

/**
* Returns true
*
* Useful for returning true to filters easily
*
* @since 3.0.0
* @see __return_false()
* @return bool true
*/
function __return_true() {
return true;
}

/**
* Returns false
*
* Useful for returning false to filters easily
*
* @since 3.0.0
* @see __return_true()
* @return bool false
*/
function __return_false() {
return false;
}

/**
* Returns 0
*
* Useful for returning 0 to filters easily
*
* @since 3.0.0
* @see __return_zero()
* @return int 0
*/
function __return_zero() {
return 0;
}

/**
* Returns an empty array
*
* Useful for returning an empty array to filters easily
*
* @since 3.0.0
* @see __return_zero()
* @return array Empty array
*/
function __return_empty_array() {
return array();
}

/**
* Send a HTTP header to disable content type sniffing in browsers which support it.
*
* @link http://blogs.msdn.com/ie/...rehensive-protection.aspx
* @link http://src.chromium.org/v...iew=rev&revision=6985
*
* @since 3.0.0
* @return none
*/
function send_nosniff_header() {
@header( 'X-Content-Type-Options: nosniff' );
}

/**
* Returns a MySQL expression for selecting the week number based on the start_of_week option.
*
* @internal
* @since 3.0.0
* @param string $column
* @return string
*/
function _wp_mysql_week( $column ) {
switch ( $start_of_week = (int) get_option( 'start_of_week' ) ) {
default :
case 0 :
return "WEEK( $column, 0 )";
case 1 :
return "WEEK( $column, 1 )";
case 2 :
case 3 :
case 4 :
case 5 :
case 6 :
return "WEEK( DATE_SUB( $column, INTERVAL $start_of_week DAY ), 0 )";
}
}

/**
* Finds hierarchy loops using a callback function that maps object IDs to parent IDs.
*
* @since 3.1.0
* @access private
*
* @param callback $callback function that accepts ( ID, $callback_args ) and outputs parent_ID
* @param int $start The ID to start the loop check at
* @param int $start_parent the parent_ID of $start to use instead of calling $callback( $start ). Use null to always use $callback
* @param array $callback_args optional additional arguments to send to $callback
* @return array IDs of all members of loop
*/
function wp_find_hierarchy_loop( $callback, $start, $start_parent, $callback_args = array() ) {
$override = is_null( $start_parent ) ? array() : array( $start => $start_parent );

if ( !$arbitrary_loop_member = wp_find_hierarchy_loop_tortoise_hare( $callback, $start, $override, $callback_args ) )
return array();

return wp_find_hierarchy_loop_tortoise_hare( $callback, $arbitrary_loop_member, $override, $callback_args, true );
}

/**
* Uses the "The Tortoise and the Hare" algorithm to detect loops.
*
* For every step of the algorithm, the hare takes two steps and the tortoise one.
* If the hare ever laps the tortoise, there must be a loop.
*
* @since 3.1.0
* @access private
*
* @param callback $callback function that accupts ( ID, callback_arg, ... ) and outputs parent_ID
* @param int $start The ID to start the loop check at
* @param array $override an array of ( ID => parent_ID, ... ) to use instead of $callback
* @param array $callback_args optional additional arguments to send to $callback
* @param bool $_return_loop Return loop members or just detect presence of loop?
* Only set to true if you already know the given $start is part of a loop
* (otherwise the returned array might include branches)
* @return mixed scalar ID of some arbitrary member of the loop, or array of IDs of all members of loop if $_return_loop
*/
function wp_find_hierarchy_loop_tortoise_hare( $callback, $start, $override = array(), $callback_args = array(), $_return_loop = false ) {
$tortoise = $hare = $evanescent_hare = $start;
$return = array();

// Set evanescent_hare to one past hare
// Increment hare two steps
while (
$tortoise
&&
( $evanescent_hare = isset( $override[$hare] ) ? $override[$hare] : call_user_func_array( $callback, array_merge( array( $hare ), $callback_args ) ) )
&&
( $hare = isset( $override[$evanescent_hare] ) ? $override[$evanescent_hare] : call_user_func_array( $callback, array_merge( array( $evanescent_hare ), $callback_args ) ) )
) {
if ( $_return_loop )
$return[$tortoise] = $return[$evanescent_hare] = $return[$hare] = true;

// tortoise got lapped - must be a loop
if ( $tortoise

$evanescent_hare || $tortoise

$hare )
return $_return_loop ? $return : $tortoise;

// Increment tortoise by one step
$tortoise = isset( $override[$tortoise] ) ? $override[$tortoise] : call_user_func_array( $callback, array_merge( array( $tortoise ), $callback_args ) );
}

return false;
}

/**
* Send a HTTP header to limit rendering of pages to same origin iframes.
*
* @link https://developer.mozilla...e-options_response_header
*
* @since 3.1.3
* @return none
*/
function send_frame_options_header() {
@header( 'X-Frame-Options: SAMEORIGIN' );
}

?>
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