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insert_with_markers › WordPress Function
Depuis1.5.0
Dépréciéen/a
› insert_with_markers ( $filename, $marker, $insertion )
Paramètres: (3) |
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Retourne: |
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Défini(e) dans: |
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Codex: |
Inserts an array of strings into a file (.htaccess ), placing it between BEGIN and END markers.
Replaces existing marked info. Retains surrounding data. Creates file if none exists.
Fonctions en relation: extract_from_markers, wp_insert_term, wp_insert_site, get_the_terms, register_importer
Source
function insert_with_markers( $filename, $marker, $insertion ) { if ( ! file_exists( $filename ) ) { if ( ! is_writable( dirname( $filename ) ) ) { return false; } if ( ! touch( $filename ) ) { return false; } } elseif ( ! is_writeable( $filename ) ) { return false; } if ( ! is_array( $insertion ) ) { $insertion = explode( "\n", $insertion ); } $start_marker = "# BEGIN {$marker}"; $end_marker = "# END {$marker}"; $fp = fopen( $filename, 'r+' ); if ( ! $fp ) { return false; } // Attempt to get a lock. If the filesystem supports locking, this will block until the lock is acquired. flock( $fp, LOCK_EX ); $lines = array(); while ( ! feof( $fp ) ) { $lines[] = rtrim( fgets( $fp ), "\r\n" ); } // Split out the existing file into the preceding lines, and those that appear after the marker $pre_lines = $post_lines = $existing_lines = array(); $found_marker = $found_end_marker = false; foreach ( $lines as $line ) { if ( ! $found_marker && false !== strpos( $line, $start_marker ) ) { $found_marker = true; continue; } elseif ( ! $found_end_marker && false !== strpos( $line, $end_marker ) ) { $found_end_marker = true; continue; } if ( ! $found_marker ) { $pre_lines[] = $line; } elseif ( $found_marker && $found_end_marker ) { $post_lines[] = $line; } else { $existing_lines[] = $line; } } // Check to see if there was a change if ( $existing_lines === $insertion ) { flock( $fp, LOCK_UN ); fclose( $fp ); return true; } // Generate the new file data $new_file_data = implode( "\n", array_merge( $pre_lines, array( $start_marker ), $insertion, array( $end_marker ), $post_lines ) ); // Write to the start of the file, and truncate it to that length fseek( $fp, 0 ); $bytes = fwrite( $fp, $new_file_data ); if ( $bytes ) { ftruncate( $fp, ftell( $fp ) ); } fflush( $fp ); flock( $fp, LOCK_UN ); fclose( $fp ); return (bool) $bytes; }