TestLogger.php

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<?php
use Psr\Log\LogLevel;
 
class TestLogger extends \Psr\Log\AbstractLogger {
    private $collect = false;
    private $collectContext = false;
    private $buffer = [];
    private $filter = null;
 
    public function __construct( $collect = false, $filter = null, $collectContext = false ) {
        $this->collect = $collect;
        $this->collectContext = $collectContext;
        $this->filter = $filter;
    }
 
    public function setCollect( $collect ) {
        $this->collect = $collect;
        return $this;
    }
 
    public function setCollectContext( $collectContext ) {
        $this->collectContext = $collectContext;
        return $this;
    }
 
    public function getBuffer() {
        return $this->buffer;
    }
 
    public function clearBuffer() {
        $this->buffer = [];
    }
 
    public function log( $level, $message, array $context = [] ) {
        $message = trim( $message );
 
        if ( $this->filter ) {
            $message = call_user_func( $this->filter, $message, $level, $context );
            if ( $message === null ) {
                return;
            }
        }
 
        if ( $this->collect ) {
            if ( $this->collectContext ) {
                $this->buffer[] = [ $level, $message, $context ];
            } else {
                $this->buffer[] = [ $level, $message ];
            }
        } else {
            switch ( $level ) {
                case LogLevel::DEBUG:
                case LogLevel::INFO:
                case LogLevel::NOTICE:
                    trigger_error( "LOG[$level]: $message", E_USER_NOTICE );
                    break;
 
                case LogLevel::WARNING:
                    trigger_error( "LOG[$level]: $message", E_USER_WARNING );
                    break;
 
                case LogLevel::ERROR:
                case LogLevel::CRITICAL:
                case LogLevel::ALERT:
                case LogLevel::EMERGENCY:
                    trigger_error( "LOG[$level]: $message", E_USER_ERROR );
                    break;
            }
        }
    }
}