Php error log

ini_set("log_errors", 1); // Enable error logging
ini_set("error_log", "/tmp/php-error.log"); // set error path

Source: grepper.com

How to see php error log

/usr/local/apache/logs/error_log

Source: stackoverflow.com

Php error log

// Php Error Log
error_log("Error message");

// Log and Array
error_log( print_r( [
  __METHOD__,
  'error_key_1' => 'error_value'
] ) );

Source: grepper.com

Php custom error log

// You can easily create your own function to handle logging, like so:

/***
	Simple function to log a value to a text file
    Takes 1 parameter: the value to log to the file, as a STRING
***/
function log_data($value)
{
	define('LOG_FILE_PATH', 'form-data-log.txt'); // define the path to the file that you would like to have created (if it does not yet exist)
	$time_stamp = date("Y-m-d H:i:s"); // get the current time
	$file_pointer = fopen(LOG_FILE_PATH, 'a'); // open the log file (in 'append' mode)
  	fwrite($file_pointer, $time_stamp . " ---> " . $value . "\n"); // log the value to the file
  	fclose($data_log); // ALWAYS remember to close the log file after writing to it!
}

Source: grepper.com

Error_log() in php

The error_log() function is used to send an error message to the 
web server's error log, a TCP port or to a file. 
The error message that should be logged.

Source: grepper.com

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