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<?php
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require_once 'File.class.php';
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class LogFile extends File {
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// if set, will compress and save old file and start new
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// when this size is reached. May have suffix 'k','m', 'g'
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// null means unlimited
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public $maxSize = null;
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// if $maxSize, this will unlink any old compressed versions
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// to keep the number of files below this.
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// null means keep all
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public $maxOld = null;
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public function __constructor ( $filename = null,
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$mode = null,
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$maxSize = null,
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$maxOld = null ) {
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$this->maxSize = $maxSize;
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$this->maxOld = $maxOld;
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if ( ! isset( $filename ) && isset( $_SESSION['global']['logger']['filename'] ) )
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$this->filename = $_SESSION['global']['logger']['filename'];
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parent::constructor( $filename, $mode );
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} // __constructor
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/*
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* writeLog
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* writes a log entry to $fullFileName if $fullFileName is set
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* log entry consists of a date/time stamp, a tab, the message,
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* and a line return for EACH array element passed (if an array)
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*
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* returns true if the bytes written on all lines
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* returns false if $file can not be opened or if byte count
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* does not match string output size
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*/
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public function writeLog ( $message, $format = null ) {
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if ( ! isset( $this->fh ) ) $this->openFile();
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if ( ! isset( $this->fh ) ) return false;
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if ( ! $message ) return true; // if empty message
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// if $message is a scalar, convert to array
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if ( ! is_array( $message ) )
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$message = array( $message );
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if ( ! isset( $format ) )
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$format = date( 'Y-m-d H:i:s' ) . "\t";
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$line = $format . implode( "\n" . $format , $message ) . "\n";
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return ( fwrite( $this->fh, $line ) === strlen( $line ) );
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} // function writeLog
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} // class logFile
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?>
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